Class / Patent application number | Description | Number of patent applications / Date published |
285363000 | Flanged pipe | 87 |
20080303276 | Sealing Mechanism for Ductwork - This invention relates to sealing HVAC ductwork along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism. | 12-11-2008 |
20090309358 | AIR FLOW DUCTS - A duct segment includes a continuous sidewall, a plurality of flanges and an adhesive. The continuous sidewall defines a passage terminating at two opposing openings. The plurality of flanges is disposed about at least one of the openings. The flanges extend substantially perpendicularly from the sidewall and form a substantially planar mounting surface about the opening. The adhesive is applied to the mounting surface on a side of the flanges opposite the sidewall. | 12-17-2009 |
20100230962 | SELF-ALIGNING FLANGED JOINT AND ALIGNMENT RIM THEREFOR - The invention discloses a gasket assembly and a flanged joint system comprising a sealing member, a retaining ring having an outer periphery and an inner periphery wherein said inside periphery being coupled to said sealing member, and an alignment rim that is disposed outwardly from the outer periphery of said retaining ring, but only extends continuously along a portion of said outer periphery, the remainder of the periphery being open to facilitate placement between piping flanges. | 09-16-2010 |
20100289262 | FLANGE COUPLING AND METAL PIPE JOINING STRUCTURE - A metal pipe coupling ( | 11-18-2010 |
20110037258 | MARMON FLANGE TO SPHERICAL ADAPTER - A conduit coupling includes first and second conduits, an annular adapter and a clamp. The first conduit has an annular flange on an outer surface adjacent to a first end. The adapter is coupled to the outer surface of the first conduit and has an annular first engagement surface positioned adjacent to the flange and an annular second engagement surface that is spherical and convex. The second conduit has a flared end with an inner surface and an outer surface. The inner surface includes an adapter engagement surface that is spherical and concave and engageable with the second engagement surface. The outer surface includes a clamp engagement surface and the clamp includes a flared end engagement surface that is engageable with the clamp engagement surface. The clamp is configured to urge the flared end, adapter and annular flange together. | 02-17-2011 |
20110049876 | INSULATED PIPE COUPLING - The invention relates to a pipe coupling apparatus for coupling together two opposing pipe flanges ( | 03-03-2011 |
20110062707 | SEALED MECHANICAL CONNECTION BETWEEN GLASS AND METAL FOR RECEIVER TUBES USED IN SOLAR PLANTS - The invention relates to a sealed mechanical connection between glass and metal for receiver tubes used in solar plants of the type using a heat-transfer fluid, which uses a mechanical force in order to establish the seal between the inner metal tubes and the outer glass tubes, between which tubes a high vacuum is established in order to prevent heat losses. According to the invention, a flexible, deformable metal joint is used for the above-mentioned seal, which joint, when duly compressed, adapts to the corresponding surfaces of the tubes to be sealed, thereby establishing the seal between the respective tubes. In addition, the invention can include a continuous system for maintaining the necessary vacuum between both types of tubes. | 03-17-2011 |
20110074149 | Method and Means for Installing a Union Nut around a Valve Port - A union nut is installed over a valve body between an outwardly flaring flange on a valve port and the valve itself. The union nut is uniquely characterized by installation threads cut into an inwardly flaring shoulder, and installation threads are also provided on the flange of the port. The shoulder can be screwed onto the flange until the union nut freely rotates about the port. A split ring is installed against a neck on the port, the neck being adjacent the flange, such that the union nut cannot threadedly engage the installation threads. The freely rotating union nut can be tightened into a suitable fitting that is part of a fluid system. | 03-31-2011 |
20110074150 | SPHERICAL FLANGE JOINT - According to one embodiment, a flange joint for joining a first pipe to a second pipe includes an adapter coupled to the first pipe. The adapter includes a convex surface. The flange joint also includes a gasket with a first concave surface and a second convex surface. The first concave surface of the gasket is matingly engageable with the convex surface of the adapter. The second convex surface is matingly engageable with the second pipe. The gasket is supported on the first pipe. The flange joint further includes a clamp that includes a concave surface that is matingly engageable with the second pipe to secure the gasket to the adapter. | 03-31-2011 |
20110215572 | Quick Connection Duct System - A quick connection duct system with a unique connection mechanism for quick installation of hermetically sealed ducts. | 09-08-2011 |
20110266797 | Seal Ring And Joint - A seal ring and connection joint for conduits, pressure vessels or the like. A conduit joint can have an annular seal ring with an inner integrally formed sealing portions, an outer integrally formed sealing portion, and an interconnecting web portion, the inner sealing portions comprising a pair of inner annular seal lips facing the outer sealing portion and extending in a transverse direction to the web portion, the outer seal portion including a pair of outer annular seal lips facing the inner seal portion and extending in a transverse direction to the web portion, which web portion extends radially between the pair of seal lips on the inner seal portion and the pair of seal lips on the outer seal portion, the seal ring being interposed at an interface between a pair of conduit or vessel defining members, the conduit or vessel defining members being each provided at the interface with an annular ridge portion, wherein upon initial seating of the ridge portion with the seal ring prior to tightening the joint, one of either the inner or outer annular seal lips contacts a the ridge portion, whereas the other of the inner or outer annular seal lips is offset from the ridge portion by a clearance gap. | 11-03-2011 |
20120038151 | MONTAGE A JUPE AUTO-SERRANTE POUR L'OBTURATION DE, OU LE RACCORD SUR, UNE COLLERETTE ANNULAIRE - A piece mounted in a fixed, detachable, and sealed manner, on a rigid, annular collar of a second piece having an end opening, include an annular peripheral wall having an inner face that can come into contact with the outer face of the collar. The first includes a transversal wall that can enter the opening; and an annular wall forming a skirt, the inner face of the skirt including a part with a larger diameter, a part with a smaller diameter and an intermediate part that can come into contact with the conjugated parts of the outer face by clamping. The transversal wall and the skirt form one component and are made of a material having a high degree of flexibility enabling the piece, by manual external action, to be brought into an intermediate state wherein it is sufficiently enlarged to be slipped over or removed from the second piece, while remaining in the field of elastic deformation. | 02-16-2012 |
20120319401 | WATER PIPE CONNECTOR - A water pipe connector apparatus has a main body and a sleeve. A stop surface is formed at a top of the main body and a plurality of limiting blocks are formed on an inner wall of the sleeve. The sleeve has a plurality of oblique thrust pads arranged alternately with the limiting blocks on the inner wall of the sleeve. The sleeve has an abutment member positioned at a top of the inner wall thereof. The sleeve shifts longitudinally when the thrust pads are aligned with guide lugs of the main body. The sleeve is fixed when the limiting blocks are aligned with the guide lugs. | 12-20-2012 |
20130207387 | Pipe Connector - It is presented a pipe connector ( | 08-15-2013 |
20130207388 | Pipe Coupling - A pipe coupling includes a first and second connected tubular element forming an elongated tube and being connected by a connection arrangement that biases the first tubular element against the second tubular. An annular sealing element is provided between and overlapping opposed end portions of the elements. The annular sealing element has a generally T-shaped cross-section and includes a first portion that forms a stem of the T-shaped cross section and extends in a radial direction and defines the outer periphery thereof, and a second portion formed by two opposing flanges that form the cross-bar of the T-shaped cross section and define the inner periphery thereof. At least one of the flanges presents a rounded bulge forming an outer peripheral surface of one flange. The bulge is sealed with an inner periphery of one of the tubular elements and extends continuously around the circumference of the annular sealing element. | 08-15-2013 |
20130257044 | METAL SEAL FOR ULTRA HIGH VACUUM SYSTEM - The present invention introduces a metal seal flange assembly for a vacuum system. A new designed metal gasket has a crosses-section shape of irregular quadrangle with two sharp angle forms by the longer base and legs. The long base of the irregular quadrangle is the vertical inner wall of the metal gasket. A preferred cross section shape of the metal gasket is trapezoid or isosceles trapezoid. this design can reduce the normal force applied to the metal seal flange assembly and reduce the number of bolts used in a limit working space. | 10-03-2013 |
20140197634 | DEVICE FOR THE SEALED CONNECTION OF COMMUNICATING DUCTS IN ADJOINING AND/OR CONNECTED COMPONENTS OF AN INTERNAL COMBUSTION ENGINE - A device for the sealed connection of communicating ducts in adjoining components or an internal combustion engine includes a connecting pipe inserted into the ducts and which has a pipe portion which projects into a first component. A sealing ring is disposed between the pipe portion and an associated duct wall of the first component. The connecting pipe furthermore has an annular collar accommodated in a duct-side recess of the second component, wherein an axially sealing second sealing ring is arranged between a face-side portion of the annular collar and a wall region of a duct-side recess, the annular collar accommodated in the recess with a radial circumferential gap. | 07-17-2014 |
20140312618 | CYLINDRICAL GASKET, METHOD FOR MANUFACTURING THE SAME, AND INSERTION-TYPE EXHAUST PIPE JOINT USING THE CYLINDRICAL GASKET - A cylindrical gasket includes a reinforcing member | 10-23-2014 |
20140375051 | SEAL STRUCTURE FOR FLOW-PATH CONNECTION PART - A seal structure for a flow-path connection part is aligned easily. In a seal structure for a flow-path connection part including a pair of flanges arranged to face each other, the seal structure includes a gasket having protrusions provided symmetrically on front and back sides of the gasket at an outer periphery thereof or near the outer periphery, and flanges each having a receiving groove provided annularly in a connected surface thereof. The receiving groove is wider than the protrusion and it has an arc-shaped deepest portion against which a top portion of the protrusion abuts, and the top portion of the protrusion has a curved surface formed such that the curvature of the top portion is greater than or equal to the curvature of the deepest portion of the receiving groove. A liquid ejection device and a liquid storage container can include the seal structure. | 12-25-2014 |
20150314236 | MOUNTING SYSTEM FOR AFTERTREATMENT COMPONENT - A mounting system for connecting an aftertreatment component to an engine is disclosed. The mounting system may include at least one flange. The mounting system may also include a support structure having a first end connected to the at least one flange, and a second end connected to an outer shell circumferentially wrapped around the aftertreatment component. The mounting system may further include at least one seal disposed between the outer shell and an outer surface of the aftertreatment component. The at least one seal may be configured to isolate vibration of the engine from the aftertreatment component. | 11-05-2015 |
20150316186 | ASSEMBLY FOR COUPLING A PAIR OF DOUBLE-WALLED TUBES - An assembly for coupling a pair of double-walled tubes is provided. The assembly includes a pair of flanges disposed in an opposing relation to each other and mutually coupled thereto. Each flange defines a central opening that is configured to correspond with a similar opening on an opposing flange. The central openings of the coupled flanges are configured to communicate a first fluid. The assembly further includes an annular hub portion extending axially away from each of the flanges. The annular hub portion is disposed about the central opening of the respective flange. The assembly further includes a lip portion depending frustoconically from the hub portion. The flange, the hub portion, and the lip portion define a conduit extending therethrough. The conduits are configured to allow passage of a second fluid therethrough. | 11-05-2015 |
20150362107 | FLANGE FIXING STRUCTURE - A flange fixing structure is provided that fixes flange parts respectively provided to two pipe conduits by means of a fixture in a butting manner via a gasket. In this flange fixing structure, when an effective length of the fixture is denoted by L | 12-17-2015 |
20160003384 | SYSTEM AND METHOD FOR JOINING AND HANGING DUCTS - A system and method of assembling flanged duct sections, using large sheet metal screws through opposing inserted corner plates. The large screws are threadedly inserted fully through the corner plates of a first duct section and hold perpendicular thereto for guiding alignment with the mating duct section. The screws hold the duct sections apart to allow aligning them without fluid sealant or tape gasket material on one of the duct sections contacting the other. The screws are then threadedly engaged with the corner plates of the mating duct section, bringing the duct sections together with a leak resistant seal therebetween. Optional hanger brackets can be placed between the corner plates before assembly, and additional screws used to deform the flanges and corner plates about the brackets to compress the sealant or gasket thereabout. | 01-07-2016 |
20160059667 | SWING ARC HVAC DUCT - A duct for a heating/ventilation/air conditioning system of a vehicle includes a first end and a second end spaced a distance from the first end. An orifice extends between the first end and the second end. A semi-circular surface is disposed at the second end. The semi-circular surface extends about a radius having the same length as the distance between the first and second ends. | 03-03-2016 |
20160076800 | LOW LEAKAGE SEAL FOR LOW PRESSURE SYSTEM - A seal configured for use in a chiller refrigeration system is provided including a first flange and a second flange. The first flange and the second flange are coaxially aligned and in direct contact. The second flange includes at least one groove within which a first sealing mechanism and a second sealing mechanism are positioned. The first sealing mechanism and the second sealing mechanism are separated by a distance such that a chamber configured to receive a pressurized gas is formed between the first and second sealing mechanisms. | 03-17-2016 |
20160138458 | FLANGE PLATE - A flange plate for a manifold of an exhaust-gas system for internal combustion engines, which flange plate can be fixed via at least one holding device to an exhaust-gas outlet connecting piece of the internal combustion engine by a first outer layer, formed as a mounting layer, which can be placed at least partially directly or indirectly against the exhaust-gas outlet connecting piece via a seal, and the flange plate can be applied to the holding device by a second outer layer, formed as a holding layer, in order to generate a holding force F, acting at a right angle to the mounting layer, for sealingly placing the mounting layer against the exhaust-gas outlet connecting piece, and the flange plate having at least a first intermediate layer which is arranged, relative to the holding force F, between the mounting layer and the holding layer. Here, the first intermediate layer is formed as a cavity structure, wherein the cavity structure has single- or multiple-part wall parts which extend in a direction parallel to the mounting layer and are arranged adjacent to one another, the wall parts having a width b | 05-19-2016 |
285364000 | Clamped | 61 |
20090206598 | Method of Securing Pipe Elements End to End - A method of joining pipe elements in end to end relation using mechanical pipe couplings. The couplings have a plurality of segments attached end to end surrounding a central space. The segments have arcuate surfaces adapted to interface with the outer surfaces of the pipe elements. The method includes inserting end portions of the pipe elements into the central space and then drawing the coupling segments toward one another so as to engage the arcuate surfaces of the segments with the outer surfaces of the pipe elements. | 08-20-2009 |
20100181764 | PIPE JOINT COUPLING APPARATUS - [Technical Problem] The present invention provides a pipe joint coupling apparatus capable of increasing the amount of adjustment available to correct a misalignment between pipe joints when they are coupled together and also capable of achieving space saving. | 07-22-2010 |
20100207385 | CLAMP - A clamp with which ends of two tubular members can be connected by simple work. The clamp has a support member, a first arm having one end pivotably supported by a support member, a second arm having one end pivotably supported by the support member and placed to face the first arm, a first long hole formed in the first arm on its support member side, a second long hole formed in the second arm on its support member side, and a connection member having a first pin-like member engaging with the first long hole and also having a second pin-like member engaging with the second long hole. The connection member is movable so as to separate from and approaches the support member with the distance from the connection member to the first pin-like member and the second pin-like member maintained constant. The first long hole and/or the second long hole is formed so as to extend in the direction crossing the direction X of movement of the connection member. | 08-19-2010 |
20100270794 | Service Adapter Kit - An emission control adapter kit comprising an L-shaped flange member and a split ring clamped around and directly engaging the L-shaped member. | 10-28-2010 |
20100320756 | Deformable Mechanical Pipe Coupling with Shoulder Pipe Elements - A mechanical pipe coupling formed of segments attached end to end surrounding a central space is used to connect pipe elements having a raised circumferential shoulder in end to end relationship. The segments have arcuate surfaces and arcuate landings which subtend an angle less than 180° and which have a radius of curvature greater than the radius of curvature of outer surfaces of the pipe elements on the raised circumferential shoulder. The segments are maintained in spaced relation allowing the pipe elements to be inserted into the central space without disassembling the pipe coupling. Connection members attaching the segments to one another are tightened to engage the arcuate surfaces or the arcuate landings with outer surfaces of the pipe elements to effect the connection. | 12-23-2010 |
20120139235 | METAL SEAL RING AND DUCT APPARATUS USING THE METAL SEAL RING - Disclosed is a metal seal ring by which conduits are hermetically engaged by a pressure in accordance with a fluid pressure. The metal seal ring is comprised of a first annular seal surface ( | 06-07-2012 |
20120274063 | PIPE CONNECTING APPARATUS - A pipe connecting apparatus includes an outer gland assembly having a plurality of outer gland segments adapted to engage first and second pipes, a sealing member, and an inner gland assembly. Each outer gland segment has an arcuate wall with a groove formed therein, a rear wall extending radially inward from the arcuate wall, and a pair of connection members. The outer gland segments, when connected, define an annular groove and an adjacent annular space. The annular groove receives an outer edge of a bell end flange. The sealing member is disposed within the annular space and the inner gland assembly is disposed within the annular space adjacent the sealing member. The inner gland assembly includes a plurality of pipe gripping members, each pivotable within the annular space in response to an axial force such that a respective tooth of each is inserted into a surface of the first pipe. | 11-01-2012 |
20130038054 | CONNECTING DEVICE FOR CONNECTING A FLEXIBLE CONTAINER TO A FLANGE OR A CONNECTING RING - A connecting device for connecting a flexible container to a flange or a connecting ring includes an outer ring, which has an inner surface radially inside and a connection side facing the flange or the connecting ring, and an inner ring, which has an outer surface radially outside and over which an end section of the container can be turned. The outer and inner surfaces are at least partially congruent so that the end section can be clamped between the outer and inner rings. The inner ring can be inserted into the outer ring from the connection side. The outer ring has an accommodating groove radially inside. The accommodating groove extends completely around the outer ring, is open radially inwardly, and has a round cross-section. The inner ring is one-piece and has a round cross-section in an area of the outer surface and is made of a single flexible material. | 02-14-2013 |
20130147190 | FLANGE ASSEMBLY - A flange assembly ( | 06-13-2013 |
20130257045 | HOUSING TYPE PIPE JOINT - A housing type pipe joint | 10-03-2013 |
20140028021 | ASSEMBLY HAVING A FLANGE - An assembly with flanges is provided. The flanges are used for welding onto a pipe end of a pipe for a pressure-bearing flange connection of two pipe ends, wherein the flange extends in a circumferential direction about a central axis of the pipe and has a first end face in the axial direction of the pipe end, wherein the first end face has a sealing groove extending in the circumferential direction, which sealing groove divides the end face into a radially inner inside surface and a radially outer outside surface. In order to avoid rework, the inside surface is axially recessed by a recess on average relative to the outside surface. An adaptation ring or an assembly having a flange or adaptation ring is also provided. | 01-30-2014 |
20140125054 | COUPLING WITH EXTENDING PARTING LINE - A coupling includes at least one coupling segment, each segment including an outer surface, an inner surface, at least two ends, fastener pads protruding proximate to each end, and a parting line extending around each segment, the parting line forming an axially outermost edge along each axial side of each coupling segment, the parting line offset from a top surface of each fastener pad. | 05-08-2014 |
20140284922 | DUAL USE COUPLING END FOR PIPES AND FITTINGS - The disclosure relates to a dual use coupling end including a pipe section having an annular recessed cam groove a distance from an annular endwardly facing surface of the pipe section, the cam groove defined by a curved or tapered cam groove surface extending gradually radially inwardly from an annular radial outer surface of the fitting adjacent toward the endwardly facing surface, to an annular clamp groove terminating on an opposite end by a radially outwardly extending annular clamp abutment surface located a distance from the endwardly facing surface. The clamp abutment surface extends a distance radially outwardly from the radial innermost portion to an annular beveled cam abutment surface at an acute angle to the clamp abutment surface and facing radially outwardly from the endwardly facing surface, the cam abutment surface disposed radially outwardly of the cam groove surface and including a radial outward discontinuous extension. | 09-25-2014 |
285365000 | Band type | 20 |
20090194994 | DEVICE FOR THE CONNECTION OF TWO PIPE OR HOSE ENDS PROVIDED WITH FLANGES - A device for the connection of free pipe or hose ends provided with flanges, with first, second, third, and fourth clip segments connected to one another in jointed manner, with an essentially U-shaped cross-section, a tensioning lever arranged at one free end of the first clip segment, and at least one spring, wherein the clip segments engage from the outside over the flanges of the pipe or hose ends pushed together, and wherein the free ends of the first and fourth clip segments can be locked by means of the tensioning lever and spring(s). In order to exclude spontaneous opening of the closed device under any circumstances, provision is made for the tensioning lever to be capable of engaging in the tensioned position in positive fit with the free end of the adjacent fourth clip segment with the tensioning lever capable of being connected. | 08-06-2009 |
20090295155 | FLANGE CONNECTION - A flange connection has two pipe ends ( | 12-03-2009 |
20100038903 | PIPE COUPLER AND COUPLING SYSTEM WITH POSITIVE RETENTION AND SEALING CAPABILITY - A coupler for joining a pipe to another pipe, a tee, or other fitting, which provides positive retention of a gasket about the circumference of the coupler sufficiently to precisely position and hold the gasket during placement about pipe ends and/or fittings to be coupled, and which provides controlled circumferential compression of the gasket during coupling, for positive sealing when the coupler is closed, and which provides a coupling system allowing one handed handling and operation during placement and coupling, such that the other hand can be used for supporting a pipe to be coupled, and which is operable for releasing and breaking loose the coupler and associated gasket from a pipe during uncoupling. | 02-18-2010 |
20110133450 | SECURITY SPLICING SYSTEM AND ALIGNED PIPES, AGAINST THE EXPANSION AND/OR CONTRACTION THEREOF - A security splicing system of aligned pipes against an expansion and/or contraction thereof has a double flange including two anchoring elements anchorable to an outer surface of ends of the pipes to he spliced and a water tight joining flange, and internal lock rings disposed correspondingly in an interior of the ends of the pipes to be spliced substantially underneath the anchoring elements and adjustable to abut against an inner face of the ends of the pipes thus preventing from the interior a deformation of the ends of the pipes under the action of a pressure applied by the anchoring elements from an exterior of the ends of the pipes. | 06-09-2011 |
20110163541 | CAM CLAMP ASSEMBLY - A cam clamp assembly for a sanitary fitting includes a first arcuate segment having a first extension with a slot. A second arcuate segment has a second extension, and the first and second segments are pivotally coupled together for movement about a first axis. An elongated member is pivotally coupled to the second extension for movement of the elongated member about a second axis so that the elongated member is receivable within the slot, the second axis being parallel to the first axis. An offset cam member is pivotally mounted to the elongated member for movement about a third axis, parallel to the first and second axes. A handle rotates the cam member between an open and closed position, and defines a cam travel stop that provides a tactile indication that a predefined compression of the fitting has been obtained when the cam member has been rotated to the closed position. | 07-07-2011 |
20120126534 | SMART CLAMP DEVICE FOR CONNECTING TUBING - A hinged clamp provides quick connection and disconnection of sections of fluid tubing. Some embodiments include a spring-loaded catch mechanism that enables the clamp to be loosely latched, and a winding mechanism that can retract the catch to a securely latched condition. Other embodiments provide a hinged shaft that pivots about an end of the upper clamp ring. A middle section of the shaft can be inserted into a slotted opening in the lower clamp ring, and the winding mechanism can move an engagement surface against the lower clamp ring to securely latch the clamp. An adjustment mechanism is included in these embodiments which can adjust the amount of winding required to engage the clamp. In various embodiments, less than one turn or less than one-half turn is required to engage/disengage the clamp. The clamp can be openable only just enough for insertion of flanged ends of the tubing sections. | 05-24-2012 |
20120256416 | HOUSING-TYPE PIPE JOINT - Provided is a housing type pipe joint to enable the confirmation of an appropriate fastening degree of a joint and reduce a load of a fastening work. The housing-type pipe joint includes a pair of joint segments, an elastic seal ring, and a fastening means fastening the pair of joint segments, in which the joint segments each have an arc portion, flange portions extending from both ends of the arc portion, a concave groove formed in an inner peripheral surface of the arc portion to have the elastic seal ring fit therein, and in which the fastening means makes the flanges of the both joint segments approach each other to make the arc portions bend so that radii of curvature of the arc portions become smaller, and when, as a result of the bending, peripheral edges of the arc portions match outer surfaces of the pipes that are to be coupled, the coupling of the pipes is completed, the housing-type pipe joint including marks on the peripheral edge regions of the arc portions, wherein, when the peripheral edges of the arc portions corresponding to the marks come into contact with the outer surfaces of the pipes, the coupling of the pipes is completed. | 10-11-2012 |
20160084415 | PIPE/FITTING WITH MODIFIED CRIMP ALLOWING FOR BOTH PIPE AND FLEXIBLE DUCT INSTALLATION - A pipe/fitting having an end having a modified crimp for securing both flexible ducts and pipes. Specifically, the pipe/fitting includes an end having a series of annularly disposed pipes. The modified crimp includes an outwardly facing channel in the base of the series of crimps configured to secure a flexible duct between the channel and a fastener received in the channel. The end also includes a pipe coupling system at the base of the series of crimps configured to couple a pipe to the conduit. | 03-24-2016 |
20190145562 | PIPE/FITTING WITH MODIFIED CRIMP ALLOWING FOR BOTH PIPE AND FLEXIBLE DUCT INSTALLATION | 05-16-2019 |
285366000 | Screw | 11 |
20080290658 | Fitting Structure - Engagement section | 11-27-2008 |
20110198844 | Device for Connecting Pipelines Subjected to Changes in Axial Length - A device for connecting pipelines subjected to axial length changes, comprising a pipe element with a flange having an end-face annular surface and a ring encompassing the pipe element, a sliding sleeve, the internal diameter of which corresponds to the external diameter of the flange and one end of which has an opening for receiving the pipe element, the flange being arranged such that it can move axially in the sliding sleeve, and by an outer bushing which is attached to the sliding sleeve and is arranged around the pipe element and the ring and the internal diameter of which corresponds to the external diameter of the ring and the interior of which is connected to the interior of the line by at least one opening in the pipe element and in which the ring forms a pressurised annular surface which is substantially the same size as the annular surface. | 08-18-2011 |
20110233927 | Coupling Element - A coupling element ( | 09-29-2011 |
285367000 | Tangential | 8 |
20090174185 | Joint and Joinning Method for Multilayer Composite Tubing - A tubing assembly including elongated first and second tubes for carrying a fluid flow. Each tube is a composite tube having an inner layer, a middle layer surrounding the inner layer, and an outer layer surrounding the middle layer. At the end of each tube, the tubes are flared outward from an axis of the tubes in complimentary shapes with the middle layer being directed away from the fluid flow and following a contour of the inner layer. The tubing assembly may include a gasket provided intermediate the inner layers. A clamp compresses the ends together and the gasket (if provided) to create a joint between the inner layers of the ends and maintain a seal between the inner layers of the flared ends. | 07-09-2009 |
20110089688 | THREAD-LOCKABLE PIPE COUPLING ASSEMBLY - A thread-lockable pipe coupling assembly and in particular to such an assembly wherein the pipe coupling is manually coupled by conical threading. | 04-21-2011 |
20130241198 | FITTING WITH DRAW MECHANISM - A fitting includes a hollow body, a sealing member, and a draw mechanism. The fitting mechanism includes a primary actuation element coupled with the body at a first end, and a plurality of secondary actuation elements coupled to the sealing member. The plurality of secondary actuation elements are positioned in an interior of the hollow body and circumferentially spaced from each other. The plurality of secondary actuation elements are also engaged with the primary actuation element such that actuation of the primary actuation element draws the plurality of secondary actuation elements axially towards the opening at the first end of the hollow body thereby translating the sealing member from an open position to a sealing position. | 09-19-2013 |
20130300113 | Pipe Coupling Having Movable Gripping Bodies - A coupling for securing pipe elements together in end-to-end relation is disclosed. The coupling has segments joined end-to-end by adjustable connection members. The segments surround a central space which receives the pipe elements. One or more gripping bodies are captured between the segments. The gripping bodies are arranged opposite to each other. When the segments are drawn toward each other by the connection members, interaction between the reaction surfaces and the contact surfaces forces the gripping bodies radially inwardly. Inwardly facing arcuate surfaces on the segments and the gripping bodies engage and retain the pipe elements. | 11-14-2013 |
20140015248 | Pivoting Pipe Coupling Having A Movable Gripping Body - A coupling for securing pipe elements together in end-to-end relation has segments joined at one end by a pivot attachment and at an opposite end by an adjustable connection member. The segments surround a central space which receives the pipe elements. A gripping body is captured between the segments. The segments have angularly oriented reaction surfaces. The gripping body has angularly oriented contact surfaces which interface with the reaction surfaces. When the segments are drawn toward each other by the connection members, interaction between the reaction surfaces and the contact surfaces forces the gripping body radially inwardly. Inwardly facing arcuate surfaces on the segments and the gripping body engage and retain the pipe elements. A method of inserting pipe elements into the coupling while the segments and the gripping body are supported on a seal is also disclosed. | 01-16-2014 |
20140117665 | PIPE COUPLING - A pipe coupling includes a sleeve and a clamping ring. The sleeve includes a flange at least one end. The clamping ring is mounted to the flange. The clamping ring carries a seal and includes two spaced apart bolt engagement portions. The clamping ring further includes two separate clamping ring portions that are removably connected together at a coupling portion of each respective separate clamping ring portion so that each clamping ring portion is separable from the other one. The two separate clamping ring portions function as a unitary ring when the coupling portions are brought into abutting contact such that the coupling portions are fixed relative to each other. | 05-01-2014 |
20160178097 | PIPE COUPLING | 06-23-2016 |
20160186905 | TUBE CONNECTOR FOR DETACHABLY CONNECTING TWO CONNECTOR PARTS FOR GAS-TIGHT CONNECTING OF RISER TUBES TO VESSELS - A hollow tube connector is used to make detachable fluid-tight connection of two connector parts. The tube connector includes a first connector part, wherein a first of its two axial ends is configured to connect to a pipeline on a vessel, and a second connector part, wherein a first of its two axial ends is configured to connect to a pipeline on an STP-buoy. The coupling surfaces of the second axial ends include a non-crossing groove circumferentially around the contact surfaces, and a groove located on one of the contact surfaces and having a mirror-imaged groove located on the other contact surface. The two opposite grooves form an encompassing cavity upon contact of the contact surfaces. At least one of the contact surfaces is tapered relative to an axis perpendicularly to a center axis and forms a pre-tensioned abutment which increases the resistance to relative motions between the contact surfaces. | 06-30-2016 |
285368000 | Axially bolted | 28 |
20090015010 | Method of making a fluid coupling - Each of ridges | 01-15-2009 |
20090085351 | CONNECTING STRUCTURE COMPRISING A HIGH-PRESSURE PIPELINE AND CUOPLING - This invention relates to a connecting structure comprising a high-pressure line having a load-bearing shell and a sealing inner cladding, as well as a coupling, which coupling comprises a flange section having a ring part and a flange which extends radially outwards with respect to the ring part, a connecting element by which the loadbearing shell of a pipe is connected to the flange section, as well as a sealing element which the inner cladding of the high-pressure line is connected to the flange section, which sealing element end in the free end of the flange section which is turned away from the high-pressure line. The sealing element comprises a sealing sleeve which is situated between the inner cladding of the pipe and the ring part of the flange section. | 04-02-2009 |
20090127851 | PIPE COUPLING - A pipe joint is disclosed and can include a first pipe having a flange and a second pipe having a flange. A first sleeve can be installed within the first pipe and a second sleeve can be installed within the second pipe. Moreover, an annular ring can be disposed between the flange of the first pipe and the flange of the second pipe. The annular ring is configured to engage the first sleeve and the second sleeve and create a sealing engagement between the annular ring, the first sleeve and the second sleeve when a compressive force is applied to the first sleeve, the second sleeve, or a combination thereof along a longitudinal axis of the pipe assembly. | 05-21-2009 |
20100013220 | EXTRUSION RESISTANT GASKET FACE SEAL - A seal assembly for a fluid coupling includes: (a) a generally planar, substantially rigid seal retainer with opposed first and second faces, having an annular first groove formed in the first face; (b) a first resilient seal disposed in the first groove; and (c) an annular first backup ring positioned radially outboard of the first resilient seal and secured to the first resilient seal, wherein the first backup ring is substantially harder than the first resilient seal. | 01-21-2010 |
20100032945 | APPARATUS FOR CONNECTING TUBULAR BODIES - An apparatus for connecting first and second tubular members, the first and second tubular members having end faces and registering seal ring grooves, formed in the end faces, both of the tubular bodies having an externally threaded portion extending away from the end faces, a first annular hub having an internally threaded portion threadedly received on the first tubular body, the first hub having radially outwardly facing frustoconical surface, a first annular flange in surrounding relationship to the first hub, the first flange having a radially inwardly facing frustoconical surface that mates with the frustoconical surface on the hub, a second hub having a internally threaded portion for mating with the externally threaded portion on the second tubular body and having an annular radially inwardly facing frustoconical surface, a second flange in surrounding relationship to the second hub, the flange having a radially inwardly facing frustoconical surface for engaging the frustoconical hub surface, a seal ring disposed in the registering seal ring grooves and a compression assembly connected to the flanges to urge the flanges and the hubs towards one another and the seal ring and the metal-to-metal sealing engagement with the first and second tubular bodies. | 02-11-2010 |
20100187816 | ELECTROLYSIS-RESISTANT COUPLING ASSEMBLY - An electrolysis-resistant coupling assembly for connection with a line fitting of a fluid line includes a fitting having a first mating surface and having an aperture extending therethrough, wherein the fitting is configured to be aligned with and face the line fitting for coupling thereto. The assembly also includes a coupler having one end provided with an outer coupler flange, the fitting being loaded onto the coupler such that the outer coupler flange passes through the aperture. The assembly also includes a substantially non-compressible, electrically non-conductive rigid captive ring. The captive ring is positioned against the outer coupler flange and interposed between the fitting and the coupler to provide electrical separation between the fitting and the coupler, wherein the fitting is held against the captive ring when the fitting is interconnected with the line fitting. | 07-29-2010 |
20110121567 | SPLIT JOINT RESTRAINT DEVICE WITH DUAL PIPE SIZE CAPABILITY - A split ring restraint device having dual pipe size capability for securing the connection between adjacent pipes in water piping systems to prevent leakage or failure of the pipe connection. The restraint device comprises an interlocking, stepped joining interface that can be assembled in one orientation to fit a pipe having a first outside diameter and assembled in another orientation to fit a pipe having a second outside diameter. The restraint device can be used without modification on pipes having different outside diameters. The restraint device can be installed more rapidly than current state-of-the art split ring restraint devices. | 05-26-2011 |
20110187097 | Wellhead change-out flange and method of use thereof - A change-out flange suited for use at an existing head casing of an oil or gas production well. The change-out flange is devised to replace standard hammer caps atop a well casing. By the present invention, with comparative ease a variety of wellhead equipment can be removably and interchangeably secured to the wellhead using an existing casing bowl or spool. The change-out flange has a casing hub that can be screwed unto a known casing bowl, and an integral connection flange provided with a plurality of connection holes arrayed in a manner consistent with the connection hole arrays of an assortment of conventional wellhead devices such as valves. A variety of well head devices thus can be more readily removed from, and securely replaced upon, the change-out flange. Lockdown pins are insertable into the change-out flange in a manner which secures the tubing hanger in place within the casing bowl. The disclosed change-out flange apparatus according can be installed on the wellhead casing without the need to remove pre-existing production tubing. | 08-04-2011 |
20110304138 | Extended flange plumbing for deep-sea oil containment - An emergency redundant mounting flange is provided for incorporation into an oil-well blow-out-preventer (BOP), enabling rapid, tight-fitting attachment of an oil containment cap over a BOP outflow port in an emergency. This flange extends radially outward from the protected port, and includes an annular region with a connection feature, such as a ring of bolt-holes, permitting cap attachment. The cap, also provided, is a barrel-shaped diameter-reduction pipe which can be connected onto the emergency mounting flange at its bottom end, and onto a standard riser pipe at its top end, thus containing or stopping the flow of oil. After installation, the cap fully encloses the protected port, while creating a tight seal with the emergency mounting flange. Extension of these methods to bell-and-spigot plumbing fixtures, including reinforced concrete pipe, is also provided. | 12-15-2011 |
20120133130 | CONNECTION STRUCTURE BETWEEN THIN WALL STAINLESS STEEL PIPE AND JOINT - A connection structure includes a thin wall stainless steel pipe in which a swelling portion, a sandwiching portion forming an inclined pressing surface capable of pressing one inclined surface of the swelling portion, a joint spacer forming a first retention portion pinching a first gasket with respect to the swelling portion as well as having a fitting portion fitted to an outer periphery of the end portion of the thin wall stainless steel pipe, and forming a gasket receiving portion in an outer peripheral side thereof, a joint having a second retention portion sandwiching and pressing a second gasket to an inner peripheral side facing the gasket receiving portion. | 05-31-2012 |
20120280495 | CERAMIC-TO-METAL FLANGE CONNECTION - This invention describes a flanged connection or attachment joint between two coaxial, cylindrically-shaped members having different thermal coefficients of expansion, the connection/attachment being suitable for use in high temperature fluid transport. | 11-08-2012 |
20120280496 | JOINT WITH HEAT-SHIELDING ELEMENT - A joint for connecting pipe sections is provided in which a portion of the joint includes a first pipe section, a first reducer fitting section, a first flange attached to the first pipe section and having holes for receiving fasteners, and a fluid conduit (such as a pipe sleeve) positioned inside at least a portion of the first pipe section and the first reducer fitting, wherein the fluid conduit forms an annular space defined by the outside surface of the fluid conduit wall and the inner walls of the first pipe section and the first reducer fitting. The annular space separates the heat-sensitive flange, a flange gasket, and the flange fasteners from high-temperature fluids flowing in the fluid conduit, thereby allowing for the use of lower rated and less expensive components than would otherwise be required in a direct heat contacting arrangement. | 11-08-2012 |
20140028022 | HYDRAULIC SUCTION LINE - A pump suction line assembly includes a sump including a wall formed with a bore and a seat, a tube including an inlet, an outlet, a length connecting the outlet and inlet, and a flange contacting the seat, a housing, a seal fitted in the bore and contacting the flange and the housing, and fasteners that compress the seal, secure the tube to the wall, and secure the sump to the housing. | 01-30-2014 |
20140042743 | TANK OR BULKHEAD CONNECTION WITHOUT WELDING OR REQUIRING INTERNAL TANK ACCESS - A tank or bulkhead connection allows attaching a device to a tank without welding or requiring internal tank or other side of bulkhead access. Two flange halves can be passed through a pre-drilled hole pattern to allow an outer flange and a gasket to be fastened to the inner halves, thus clamping the flanges to the tank/bulkhead. This allows the tank connection to be installed without welding and avoids total fluid draining and attendant environmental and safety considerations. | 02-13-2014 |
20140077493 | HYDRAULIC TUBE ASSEMBLY FOR A HYDRAULIC SYSTEM - A hydraulic tube assembly for connecting two hydraulic components in a hydraulic system is provided. The hydraulic tube assembly may include a first hydraulic component, a second hydraulic component, a tube subassembly, and at least one port connection subassembly. The tube subassembly may include a tube having two ends, a first packing box, and a second packing box. The port connection subassembly may have two ends, with a first end coupled to the tube subassembly and a second end coupled to a hydraulic component. The port connection subassembly may include a packing box flange, at least one tension rod, at least one fluid seal, and a connecting cylinder flange. | 03-20-2014 |
20140117666 | Sealing System for Joints - A gasket and seat system for sealing a joint is disclosed. The gasket comprises, for example, an inner portion with a wall facing an interior of the coupling and an outer portion, which extends axially forming radial end walls. The inner portion of the gasket is formed with an angled wall, making the inner portion expand inwards, which angled wall interacts with a matching angled wall of the seat, such that the joint has provisions for increasing the sealing ability in cases with increased pressure in the coupling. The gasket may further have the wall facing the interior being adapted to be flush with an interior surface when mounted in the seat and may also have provisions for heat expansion and elevated pressures, in order to remain flush with the coupling at elevated temperatures and in order to ensure sealing at elevated pressures. | 05-01-2014 |
20140125055 | Pipe Sealing Tool with External Clamp - An apparatus for sealing an open end of a pipe includes a clamp for frictionally being secured to the exterior of the pipe, a sealing plate for covering the open end of the pipe and being connectable to the clamp, and an urging mechanism for urging the sealing plate towards the clamp and for forming a seal between the sealing plate and the open end of the pipe. In one aspect, the clamp comprises an annular body formed by at least two sections that are radially tightened over the pipe exterior. In another aspect, the clamp comprises cooperating annular bodies, one capable of radially narrowing the other for frictionally engaging the pipe outer surface. In another aspect the method provides a method of sealing an end of a pipe. According to the invention, once the open end is sealed, the interior of the pipe may be pressurized, for example for testing the integrity thereof. | 05-08-2014 |
20140239633 | CUT-IN FITTING FOR CONNECTING PIPE - A cut-in fitting has a flange hub, a flange ring, a central body, a first gasket, a second gasket, a split flange hub, a split flange ring and a band clamp. | 08-28-2014 |
20140252765 | ARRANGEMENT OF AN OBLIQUE-CONTACT SEAL IN A TRAPEZOIDAL GROOVE - An arrangement of a biconical annular joint having a laid down V shaped cross-section, in an annular groove having a trapezium shaped cross-section, a small base of the trapezium corresponding to a cylindrical bottom of the groove and being radially inwardly open at a great base of the trapezium. The joint includes a radially outer annular heel and two generally conical annular wings extending radially inwardly from the heel, an inner radial end of each wing being axially bearing against an associated wall of the groove. The joint is mounted in the groove such that the heel of the joint is located radially distal to a bottom of the groove. | 09-11-2014 |
20140265325 | WAVE WASHER, METHOD OF MANUFACTURE, METHOD OF USE, AND PIPE JOINT USING SAME - A wave washer includes an annular member surrounding an opening arranged to receive a pipe axially therethrough, the annular member having a plurality circumferentially spaced holes formed therein. The wave washer also has associated with it at least one spring portion protruding axially from the annular member between two of the holes. The wave washer can be used in a pipe joint to join a first pipe and a second pipe, each having a pipe end having a pipe flange and an adjacent sealing flange. The wave washer is positioned against an inner side of the pipe flange of the first pipe. The wave washer and the flanges of the first and second pipes are fastened based on the deflection of the annular member of the wave washer. | 09-18-2014 |
20140319828 | FLANGE ASSEMBLY WITH IMPROVED SERVICEABILITY - The invention is directed at joint assembly which includes a first part and a second part to be assembled together. The first and second part are secured together via a set of fasteners and a set of attachment portions. The set of attachment portions cooperate with one of the first or second parts and receive the set of fasteners. | 10-30-2014 |
20140319829 | COMPONENT HAVING A FLANGE DEFINING A GROOVE THEREIN - A component is provided. The component is configured to bear on a complementary surface. The component includes a flange located on a periphery of the component. The flange of the component defines an extended provided therein. The flange of the component also defines a plurality of apertures therethrough. The plurality of apertures extended through the flange and are structured and arranged to receive fasteners therethrough. Further, the groove on the flange includes first portions and second portions. The first portions of the groove extend between adjoining apertures of the plurality of apertures and the second portions of the groove are detour portions in proximity to the apertures of the plurality of apertures. The groove is structured and arranged to receive a sealant therein. The sealant forms continuous seal along the periphery of the component in response to the flange being pressed against the complementary surface. | 10-30-2014 |
20140319830 | MODULAR FLANGE - A multipart gas pipe flange for connecting to a counter-flange of an internal combustion engine, having at least one flange plate designed as an outer flange, and having a flange inner part that can be received in said flange plate and is used for attaching a gas pipe which is connected downstream of the inner part in the flow direction and which is fluidically connected. The flange plate has at least one recess for the flange inner part, said recess having at least one inner surface and an inner diameter Di, and a mounting surface which can be placed at least indirectly on the counter-flange. The flange inner part has an outer surface which corresponds to the inner surface and which has an outer diameter Da. The outer surface and the inner surface have a basic shape which tapers in the flow direction, and when being clamped against the counter flange, the outer surface and the inner surface can be clamped relative to each other at least partially in a direction (R) which runs radially in relation to a central axis of the outer surface and/or the inner surface. | 10-30-2014 |
20150042090 | HUB AND CONNECTOR ARRANGEMENT - A combined hub joint and connector arrangement for rigidly connecting two axially consecutive tubular members is shown. The tubular members have respective hub end surfaces to be mated, where each hub further includes a flanged end having an external tapered activation surface adapted for complementary engagement with an internal tapered activation surface of the connector, The activation surfaces are able to transform a transversally acting force, when viewed in the longitudinal direction of the joined hubs, to an axially acting force when the connector is activated to make up the joint. The hub end mating surfaces diverge at least over some area of said mating surfaces and opens up in a radially outwards direction. The connector can either be a clamp connector, collet connector or split ring connector. | 02-12-2015 |
20150054276 | High-Pressure Bidirectional Seal - A high-pressure connection in a conduit or enclosure utilizing a bidirectional, pressure-energized seal. Male and female flanges are provided, where one of the flanges has a recess that accommodates a seal ring. The outer peripheries of the two flanges' sealing surfaces are in contact with each so that clamping, bolting and bending stresses are not borne by the seal ring. The seal ring has a cross-section that includes a solid body and two V shaped sealing portions that extend from the body at an angle between 90 and 160 degrees. Each sealing portion has a set of opposing sealing faces with a cavity between them, so that fluid pressure within the cavity urges the sealing faces outward from the first cavity toward the flanges. | 02-26-2015 |
20150115603 | SEAL FITTING WITH O-RING - A sealing system, comprises a male block including an annular flange, a female block including an annular recess configured to accommodate the annular flange, a circular seal having a diameter configured to fit within a hose aperture, and an O-ring configured to fit between the annular flange and a wall of the annular recess when the blocks are in a mated position. | 04-30-2015 |
20160102793 | FLANGE JOINING STRUCTURE AND SEAL BODY USED THEREIN - Provided is a flange joining structure having excellent earthquake resistance, for which the joining operation can be performed simply and easily, similar to conventional practice. A flange joining structure provided with a first member having a first annular flange part, a second member having a second annular flange part, and a seal body placed between the first member and the second member, these components being connected and joined together by a bolt and a nut. The seal body has an annular base part formed from a metal plate and an elastic seal part provided integrally to the annular base part, the elastic seal part being provided so as to cover the annular base part, and the elastic seal part of the seal body sealing the space between the first annular flange part and the second annular flange part. | 04-14-2016 |
20160123510 | VALVE ADAPTER CONNECTION ASSEMBLY - A self-centering valve adapter connection assembly includes a first equipment flange that is connected to a second equipment flange with an adapter ring. The adapter ring includes a first longitudinal flange with a tapered inner surface and a cylindrical outer surface. The adapter ring aids in centering the first and second equipment flanges while smoothing a fluid flow corridor between the first equipment flange and the second equipment flange. | 05-05-2016 |