Class / Patent application number | Description | Number of patent applications / Date published |
285339000 | Wedge | 79 |
20080197628 | BEVELED INSERT FOR FACILITATING COUPLING PIPES - An annular beveled insert for enhancing the insertion of a plain end of a pipe into a mating belled end of a pipe, the insert including an annular main body portion having a substantially flat surface and a beveled opposed surface. The annular main body portion has inner and outer diameters approximately equal to inner and outer diameters, respectively, of the plain end of the pipe. An outwardly directed flange extends from the annular main body portion around a periphery and has an outer diameter greater than the outer diameter of the plain end of the pipe. The flange is sufficiently flexible so that it bends into an angle of approximately ninety degrees with the flat surface of the annular main body portion and aids the main body portion in masking the plain end of the pipe as it passes through the annular gasket. | 08-21-2008 |
20080309080 | Coupling Between Two Tubes with Separate Set-Up Clamps - The invention relates to a coupling between a first body ( | 12-18-2008 |
20090045624 | BITE TYPE TUBE CONNECTION STRUCTURE, TUBE FITTING, VALVE, CLOSING VALVE, REFRIGERATING CYCLE DEVICE, HOT-WATER SUPPLY DEVICE, BITE TYPE TUBE CONNECTION METHOD, AND ON-SITE TUBE CONNECTION METHOD - A fitting has a bite type tube connection structure with a bite type sleeve in cylindrical form. The bite type sleeve is formed of a primary deforming portion and a secondary deforming portion. The primary deforming portion bites into a connection tube | 02-19-2009 |
20090250928 | ANTI-FLOODING DEVICE - An anti-flooding device ( | 10-08-2009 |
20090289452 | PULL-UP BY TORQUE FITTING - A fitting is provided that may optionally be pulled-up to its final assembled condition by torque rather than by turns. At least one fitting component includes a structure that facilitates pull-up by torque. The structure may take a wide variety of different forms. In one embodiment, at least one of the external surface of the first threaded fitting component ( | 11-26-2009 |
20100052318 | System and Method of Joining Fluid Transporting Tube and Header Using Internal Ferrule - A system and method for joining a tube to a header is provided. The system includes a header, tube and internal ferrule, wherein the ferrule is fixed inside the tube. This design reduces manufacturing cost and time, as well as reducing and more evenly distributing stress along the tube-header assembly. | 03-04-2010 |
20100176588 | PIPE GRIP RING - A grip element comprising a wedge-like structure supporting a metal plate, the exposed outer surface thereof being provided with an array of large and small gripping teeth. The large teeth project from the surface of said metal plate further than said small teeth. The invention further provides a grip element having a floor. The grip elements may be disposed around a ring for the purpose of pipe gripping. The ring is particularly useful in a pipe coupling to grip metal and plastic pipes | 07-15-2010 |
20110127770 | COUPLING RING - A coupling ring is provided, including a series of unit members with adjacent unit members rotatably coupled to each other, and a fastener coupling unit members on both ends to each other. A concave groove provided to extend circumferentially is externally fitted into an outer circumference of each of two opposing flanges. The unit members on the both ends are coupled to each other by the fastener to be turned into an annular state. The fastener is fastened to thereby press an inclined surface. The flanges are pressure-bonded to each other by forces generated during pressing. A stopper member is provided to restrict a separation angle between the unit member on one end and an adjacent unit member to fall within a certain angle in an open state in which the unit members on the both ends are not coupled to each other provided on at least one of the unit members. | 06-02-2011 |
20110148105 | Coupling Device and Method for Manufacturing a Gripring to be Used in Such a Coupling Device - A coupling device for a tube comprising a coupling piece with an insert end for the tube and a sealing organ which is suitable for realizing a seal around the tube inserted in the coupling piece, whereby the sealing organ comprises a series of elements which together form a ring enclosing the tube, and whereby the elements have been provided with at least one gripring, extending over at least a part of the circumference of the tube, which at least one gripring is embodied with inwardly and/or outwardly pressed out first projections and second projections extending away from the surface of the gripring, whereby the first projections and the second projections are provided with, in the plane of these projections extending first anchor teeth and second anchor teeth. | 06-23-2011 |
20120043757 | CONDUIT FITTING WITH ATTACHED TORQUE COLLAR - A conduit fitting of the type having first and second threaded fitting components and at least one conduit gripping device, further includes a stroke limiting member that allows the fitting to be pulled up by applying a predetermined torque. In one embodiment, the stroke limiting member may be a non-integral torque collar. Alternatively, the fitting may also be pulled up by turns or may have an integral torque collar. In still another embodiment, a stroke limiting member is provided that may be used to enable a fitting that is designed to be pulled up by turns to also be pulled up by torque. In other embodiments, the non-integral torque collar may be installed onto one of the fitting components, and then deformed so as to prevent or make it more difficult to remove the torque collar after installation onto the fitting component. | 02-23-2012 |
20120133129 | SEAL BETWEEN PIPE SECTIONS - The invention relates to a screw-threaded pipe joint comprising a pin ( | 05-31-2012 |
20130069366 | SHEAR ELEMENT FOR A COUPLING - A shear element ( | 03-21-2013 |
20130113208 | PIPE COUPLING AND METHOD OF FORMING THE SAME - A sealing and restraint mechanism operable to couple pipes having a restraint mechanism with a cavity formed in an interior region, and a gripping insert operable to be received within the cavity. The cavity of the restraint mechanism is at least partially defined by a stop and a shoulder. The gripping insert is operable to slide along the cavity and between the stop and the shoulder of the restraint mechanism such that, when the gripping insert slides toward the stop, the gripping insert is biased toward one of the pipes by the restraint mechanism. | 05-09-2013 |
20140232110 | PIPE CONNECTOR ASSEMBLY AND METHOD FOR CONNECTING A PIPE USING THE SAME - A pipe connector assembly which is locked and assembled on a holder after required parts are assembled in sequence on a nut of a pipe connecting device during the process of connecting a joint of a pipe, and a method for connecting a pipe using same are disclosed. A holder can be unlocked from a nut only when a pipe is inserted up to a precise point in an insert hole in a part assembled to a nut for pipe fitting, and the assembly and method can not only ensure the assembled sequence of parts, but can accurately maintain the assembled position of a pipe. | 08-21-2014 |
20140339823 | BEVELED INSERT FOR FACILITATING COUPLING PIPES - Embodiments of the invention provide an annular pipe insert and pipe assembly system that includes a first pipe segment having a cut end with a face end coupled to a second pipe segment with an insert. The insert includes an annular main body portion including a rear surface and an opposed front surface extending from an inner diameter of the insert. The front surface can include a beveled portion coupled to a top surface portion that extends from the inner diameter of the insert to the beveled portion. The assembly system also includes an inner flange portion coupled to the front surface and extending away from the beveled portion, and an outer flange portion coupled to the inner flange portion. The cut end is inserted into the second pipe segment whereby the face end of the first pipe segment is coupled to the rear surface of the main body portion. | 11-20-2014 |
20160097477 | PIPE COUPLING - The invention is a pipe coupling comprising: a) a cylindrical body for accepting and retaining ends of a pair of spaced apart pipe sections, the cylindrical body comprising two opposed ends; b) an end connector attached to each opposed end of the cylindrical body; c) a gasket disposed within an indentation defined within the interior surface of each of the opposed ends of the cylindrical body; d) a gasket retaining ring disposed between each end connector and gasket, wherein the gasket retaining ring comprises a shoulder; and e) a gripper washer comprising an exterior periphery, the gripper washer disposed between each gasket retaining ring and end connector; wherein the gasket retaining ring shoulder contacts and retains the exterior periphery of the gripper washer. | 04-07-2016 |
285340000 | Toggle ring type | 14 |
20080309081 | Coupling Between Two Bodies - The invention relates to a coupling between a first body ( | 12-18-2008 |
20090140520 | PIPE COUPLING WITH BUILT-IN GRIP - The present invention relates to a coupling for cylinders or pipes. | 06-04-2009 |
20090243288 | TUBE COUPLING - A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A second gripper ring and a second spacer ring are used in some embodiments. | 10-01-2009 |
20130200613 | STOPPER GRIP RING FOR PLUMBING PIPES - Disclosed is a stopper grip ring for plumbing pipes. A stopper grip ring for plumbing pipes, according to an exemplary embodiment of the present disclosure, includes: an outer circumferential portion which forms an outer diameter of a ring shape; an O-ring supporting portion formed to be bent at one side of the outer circumferential portion so as to come into contact with an O-ring and having an entry inducing portion which is formed to be inclined at one end portion, and an inserting portion which is formed at the other end portion and enters while being induced by the entry inducing portion; and a stopper portion formed to be bent at the other side of the outer circumferential portion so as to be spaced apart from the O-ring supporting portion and having a sharpened portion which is formed at an edge and is divided by a plurality of slits. | 08-08-2013 |
20140054889 | FITTING FOR PIPES AND RELEVANT PIPE CONNECTING METHOD - Fitting for at least one pipe, having a main body for internally accommodating said at least one pipe, fastening means able to be tightened to the main body, at least one deformable annular sealing gasket and at least one blocking ring nut which can be positioned within the fitting between the main body and the fastening means, respectively, to ensure the sealing of, and block in firm position, the pipe, at least when the fastening means are tightened to the main body, the blocking ring nut being elastically deformable at least in radial direction. The fitting also has means for retaining in a widened position at least the mouth section of the at least one annular sealing gasket, with an inner diameter greater than the outer diameter of the at least one pipe. | 02-27-2014 |
20140152002 | Push-to-Connect Joint Assembly, Device and Method - A push fitting joint packaging arrangement allows the re-use and repair of push-to-connect fittings and valves without damage to the fitting or valve elements or the pipe, and without coining, gluing or threaded engagement of parts. In one embodiment of the present invention, the arrangement comprises a split fastening ring and a split O-ring support member. | 06-05-2014 |
20140312616 | MECHANICAL PIPE COUPLING ASSEMBLY WITHOUT ADHESIVE OR BONDING AGENT - A mechanical coupling between a straight pipe end and a socket fitting comprises a seal ring and a locking ring disposed within the interior of the socket. The locking ring has a generally frustoconical shape with a plurality of corrugations extending circumferentially thereabout, the corrugations presenting inner edge portions engaging the outer annular surface of the pipe end and outer edge portions engaging the interior annular surface of the socket for opposing withdrawal of the pipe end axially outwardly from the socket. In an advantageous embodiment, the locking ring is assembled with a support disk to optimally orient the locking ring with respect to the fitting and the pipe end. | 10-23-2014 |
20150021911 | Fittings Having Arcuate Stiffness Ribs - Fittings, including elbow fittings and Tee fittings have bodies that surround a central space and define openings to receive pipe elements. Ribs surround the openings, and gaps are positioned between the ribs to permit deformation of the body when ends of the body in facing relation are brought together. The body may be formed of two housings or unitary in construction. The ribs may be grooved to accommodate toothed retainer rings providing mechanical engagement with pipe elements. The ribs have surfaces with radii of curvature that, when the ribs are undeformed, are substantially equal to the radii of curvature of the pipe elements they engage. | 01-22-2015 |
20150076816 | TUBE COUPLING - A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A second gripper ring and a second spacer ring are used in some embodiments. | 03-19-2015 |
20150137515 | PLUG-IN COUPLING FOR A PIPE, IN PARTICULAR FOR WATER CONDUITS - The invention relates to a plug-in coupling for a pipe ( | 05-21-2015 |
20150145248 | CONNECTION DEVICE FOR PIPE LINES - A connection device for pipe lines includes a connection element that has a receiving opening for a pipe line and a retainer element that stops the pipe line from being pulled out. The retainer element is designed as a spring-elastic toothed ring that has teeth distributed across a circumference and which extend radially inward at an incline and act against the pipe line. The toothed ring is mounted to have limited axial play. At the transition region between an outer circumferential region and the retainer teeth, the toothed ring interacts with a circumferential tilt edge such that the toothed ring can pivot about the tilt edge out of a position in which its outer circumferential region is pressed against a first, lower contact section and a second, upper contact section. The retainer teeth being able to be elastically deformed by bending. | 05-28-2015 |
20150145249 | PIPE JOINT - A pipe joint has a tube for fluid detachably fitted thereto, and is connected to a hydraulic device such as a cylinder. The pipe joint is provided with a body into which the tube for fluid is inserted, and an attachment/detachment mechanism which is provided inside the body and which can attach/detach the tube for fluid. An inner sleeve for connecting the tube for fluid and the hydraulic device is provided in the body, the inner sleeve being interchangeable with orifices having different opening diameters. | 05-28-2015 |
20150345683 | Push-to-Connect Fitting Integrated Packing Arrangement, Device and Methods - A push fitting joint packaging arrangement includes embodiments with a pusher locking member having at least one nipple member extending radially into a locking member opening, and a release pusher having a wing extending radially outwardly around the circumference of an inner wall, wherein the inner wall includes at least one access channel and at least one stop channel, wherein the at least one access channel and the at least one stop channel are engageable with the at least one nipple member of the pusher locking member. A push fitting joint packaging arrangement includes separate embodiments with a tamper-resistant release pusher configuration, employing a retaining clip that is slidably engageable with a pusher locking member, and wherein a release pusher is removably or releasably securable to the pusher locking member. | 12-03-2015 |
20160161038 | Rotation Locking Push-to-Connect Fitting Device, System and Method - A push fitting joint packaging arrangement allows for rotation locking as between a fitting and an inserted pipe or tubing element. In various embodiments, the arrangement comprises one or more sealing members, a fastening ring with one or more prolated ear members, a tube support member and a push release member. | 06-09-2016 |
285341000 | Double wedge surfaces | 11 |
20090033093 | FITTING FOR METAL PIPE AND TUBING - A tube fitting that uses only two components, namely a fitting body and a fitting nut. The nut and body are adapted to be threadably coupled together by relative rotation therebetween. The nut includes an integral tube gripping ring that cooperates with a camming surface on the body when the fitting is made-up. The camming surface preferably has a steep camming angle. The ring is radially compressed against the tube outer wall to form a seal and a tight tube grip. The ring also forms a line contact-type seal against the camming surface. The ring is designed to have a hinging action and to plastically deform during pull-up to embed into the tubing for excellent tube grip, and an axially adjacent swage or collet zone that isolates any stress riser resulting from the embedding action from vibration effects. The fitting components, and particularly the ring, may be case hardened. The fitting may include a self-gauging feature to indicate sufficient pull-up and to prevent excessive pull-up. Also provided is a single ferrule tube fitting that uses a steep camming surface and has a hardness ratio that is at least about 3.3 times the hardness of the stainless steel tube end on the Vickers scale. | 02-05-2009 |
20090102191 | Flareless Pipe Coupling Structure, Flareless Pipe Coupling Method, And On-Site Pipe Coupling Method - A guide tapered surface | 04-23-2009 |
20090200799 | Couplings Having Stiffening Ribs and Keys with Oppositely Disposed Camming Services - Mechanical pipe couplings for joining pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. At the end of the keys on opposite sides are camming surfaces which are formed by a thinning of the key. The camming surfaces may be concave, convex, or angularly oriented surfaces and serve to guide the keys into grooves when the keys are not directly aligned with the grooves. | 08-13-2009 |
20090243289 | Couplings Having Stiffening Ribs and Keys with Oppositely Disposed Camming Surfaces - Mechanical pipe couplings for joining large diameter pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. Key surfaces have angular orientations between 5° and 30°. At the end of the keys on opposite sides are camming surfaces which are formed by a thinning of the key. The camming surfaces may be concave, convex, or angularly oriented surfaces and serve to guide the keys into grooves when the keys are not directly aligned with the grooves. | 10-01-2009 |
20100013219 | CONNECTION FOR HIGH-PRESSURE MEDIUM CONDUITS - In connection for high-pressure medium conduits, in which a first conduit ( | 01-21-2010 |
20100059995 | TUBE COMPRESSION FITTING AND FLARED FITTING USED WITH CONNECTION BODY AND METHOD OF MAKING SAME - A high pressure tube compression fitting/flared fitting for use in combination with a thick-walled tube and a connection body wherein a sleeve is in engagement with a thick-walled tube. The sleeve is generally cylindrically shaped with the exterior thereof coated and then etched. The sleeve includes a first and second sharp inner circumferential biting edges which interengage and bite into and through the exterior of the end portion of the thick-walled tube and into the wall portion of the end portion of the thick-walled tube without narrowing the passageway through the thick-walled tube. The process for making the fitting includes placing an end portion of the thick-walled tube into engagement with a tube engaging surface of a tapered generally cylindrical wall of a guide rod. | 03-11-2010 |
20100102554 | Tube Fitting with either Single or Double Ferrule Swage Design Common to One System - A tube fitting with either single or double ferrule swage design common in one system, in one ISO 8434-1 system, being made up of connecting bodies, swaging ferrules and driving nuts, and being a single ferrule design when using one swaging ferrule and being a double ferrule design when using a sealing ferrule and a holding ferrule as the swaging ferrule. The single ferrule tube fitting provides at first a sole smooth-swaged joint for sealing by a sealing cantilever of the ferrule head wedge, and then a depression-swaged joint for fastening by an inner edge of the ferrule head wedge, an operation stopping feel for installation by a ferrule tail wedge, and an isolation of the ferrule head from the tail overdriven motion by an automatic radial outward warp of the middle of the ferrule, resulting in being able both to deliver a definite installation-stopping feel and tolerate any overdrive installation. The double ferrule tube fitting provides at first a sole smooth-swaged joint for sealing by a sealing cantilever of the head wedge of the sealing ferrule, and then a transition-swaged joint for sealing and fastening by an inner edge of the sealing ferrule head wedge, a depression-swaged joint for fastening by the holding ferrule and an operation stopping feel for installation by a ferrule-swaged depression, resulting in being able both to deliver a more definite installation stopping feel and more tolerate any overdrive installation. The sealing cantilever is in the pressurized medium and has a self-energized ability, and has a more shock and vibration resistance because the cantilever is at first suspended and then isolated by the double fastening joints. | 04-29-2010 |
20100219631 | CONDUIT FITTING WITH PULL-UP INDICATION - A fitting for a tube or pipe capable of functioning a high pressures having a first fitting component adapted to receive the conduit end; a conduit gripping device such as a ferrule or ferrules and a second fitting component that can be joined to the first fitting component to cause the conduit gripping device to grip the conduit and seal when assembled. In one aspect of the invention, the first fitting component is constructed from a material that is softer than the material used to construct the second fitting component. An additional aspect of the invention include a retaining portion on the second fitting component that constrains the tube gripping device against pressure. The retaining portion can also be configured to retain the tube gripping device to the second fitting component prior to installation and in a finger-tight condition. A further aspect of the invention includes a first fitting component in which an exterior portion of the component is work hardened radially outward from the tube gripping device. The fitting may optionally be provided with a structure to effect the pull-up by torque functionality. | 09-02-2010 |
20110006517 | DUPLEX PIPE FITTING, EXCLUSIVE TOOL FOR THE DUPLEX PIPE FITTING, REFRIGERATION SYSTEM EMPLOYING THE DUPLEX PIPE FITTING, AND SEPARATION TYPE AIR CONDITIONER - A duplex pipe fitting includes a fitting main body | 01-13-2011 |
20120032439 | FITTING FOR TUBE AND PIPE WITH TAPERED FERRULE - A ferrule for a conduit fitting includes in one embodiment a generally annular body comprising a cylindrical interior wall, a rearward portion with a frusto-conical recess that presents a camming surface, and a tapered outer surface. The tapered outer surface extends radially outwardly from a forward portion of the generally annular body towards the rearward portion, with the rearward portion further comprising an outer wall portion that tapers radially inwardly at an angle μ towards a back end of the annular body. | 02-09-2012 |
20130106103 | FACE SEAL CONDUIT FITTING | 05-02-2013 |
285342000 | Pushed | 23 |
20080315582 | High Pressure Energizable Tube Connector for a Well and Method of Energizing the Connector - A high pressure energizable tube connector for a well comprising a tube; a first connector assembly comprising: a female profile disposed over the tube and a first ferrule disposed over the tube adjacent the female profile; a second connector assembly comprising: an inverted jam nut disposed over the tube and a second ferrule disposed over the tube adjacent the inverted jam nut, wherein the second ferrule extends along the tube in a direction opposite the first ferrule; a nipple comprising a test port, wherein the nipple is disposed over the tube between the first ferrule and the second ferrule; a primary seal formed by compressing the first ferrule into the female profile using a pressure from the test port; and a secondary seal formed by compressing the second ferrule into the inverted jam nut using the pressure from the test port. | 12-25-2008 |
20090033094 | Metallic cutting ring - The invention relates to a metallic cutting ring for a screw connection for sealingly connecting a tube to an attachment part, which metallic cutting ring has a tube abutment section and a cutting section which adjoins the tube abutment section in the axial direction. The cutting section having a stop which points radially outward from the outer periphery of the cutting ring and has a stop face, which runs transversely with respect to the cutting ring longitudinal axis, for the attachment part. The stop for the attachment part has an annular peripheral stop edge which projects beyond the stop face. | 02-05-2009 |
20100007143 | CONNECTING ASSEMBLY - A connecting assembly for connecting a pipe with a connecting element having a conical bore is disclosed. The assembly includes: a longitudinal axis; a pipe having a pipe end configured for insertion in the conical bore; a supporting ring having first and second retaining surfaces; a union nut for screwing on threads of the connecting element and forming a tensioning surface; a cutting ring; and a collar disposed between the first pipe end and the first retaining face. The cutting ring is seated in the conical bore of the supporting ring and provided with a pressure surface for the impingement of force by the tensioning surface of the union nut, and has at least one first cutting edge. A collar bulge is provided on the outer surface face of the pipe can be formed when the first cutting edge cuts into the pipe. The outer diameter of the collar bulge is larger than the smallest support ring internal diameter. | 01-14-2010 |
20100025990 | FERRULE WITH RADIAL CROWN - A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the ferrule front end to a rearward flange portion of the annular body. The outer radial wall has: a first tapered portion extending from the ferrule front end with an increasing radial dimension towards the rearward flange portion, the first tapered portion extending to a crown portion, the crown portion including a convex surface that tapers radially inwardly towards the rearward flange portion. | 02-04-2010 |
20100059996 | TUBE COMPRESSION FITTING AND FLARED FITTING USED WITH CONNECTION BODY AND METHOD OF MAKING SAME - A high pressure tube compression fitting/flared fitting for use in combination with a thick-walled tube and a connection body wherein a sleeve is in engagement with a thick-walled tube. The sleeve is generally cylindrically shaped with the exterior thereof coated and then etched. The sleeve includes a sharp annular biting portion engaging the thick walled tube. The sleeve further includes an inner annular symmetric concavity which engages the thick-walled tube upon deformation thereof. The thick-walled tube includes a flared end portion. A gland about the thick-walled tube engages the sleeve forcing it into engagement with the frusto-conical portion of the connection body coupling the tube, tube fitting and connection body together. The flared end of the thick-walled tube interengages and seals the frusto-conical portion of the connection body. A process for making the device includes the step of placing the thick-walled tube into engagement with the frusto-conical portion of a die to flare the end portion of the thick-walled tube. | 03-11-2010 |
20100140931 | METHOD OF ENERGIZING A CONNECTOR - A method of energizing a high pressure tube connector for a well comprising a tube; a first connector assembly comprising: a female profile disposed over the tube and a first ferrule disposed over the tube adjacent the female profile; a second connector assembly comprising: an inverted jam nut disposed over the tube and a second ferrule disposed over the tube adjacent the inverted jam nut, wherein the second ferrule extends along the tube in a direction opposite the first ferrule; a nipple comprising a test port, wherein the nipple is disposed over the tube between the first ferrule and the second ferrule; a primary seal formed by compressing the first ferrule into the female profile using a pressure from the test port; and a secondary seal formed by compressing the second ferrule into the inverted jam nut using the pressure from the test port. | 06-10-2010 |
20100171307 | FITTING ASSEMBLY WITH FERRULE - An example apparatus and method of using the apparatus are provided that include a fitting assembly configured to secure an instrument probe. A body portion of the fitting assembly includes a bore for receiving the instrument probe. A ferrule is configured for receiving and aligning the instrument probe. The ferrule includes an alignment feature configured for contacting the bore upon insertion into the body portion. The alignment feature of the ferrule constricts in response to contact with the bore to pre-align the ferrule for reception of the instrument probe. The fitting assembly can be used in a thermocouple arrangement such as with at least one connector. | 07-08-2010 |
20110140416 | Enclosure Suspension System with Compression Fitting - Embodiments of the invention provide a suspension system for supporting an enclosure. The system includes a compression fitting that couples an enclosure mounting assembly to a hollow connector tube and provides a substantially sealed pathway between the enclosure mounting assembly to the hollow connector tube. The compression fitting includes at least one coupling body and at least one compression nut. The compression nuts are tightened around portions of the coupling bodies to secure end portions of the enclosure mounting assembly and the hollow connector tube within the coupling bodies. | 06-16-2011 |
20110278840 | FERRULE WITH INTERNAL RECESS AND CYLINDRICAL WALL - A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the ferrule front end to a rearward flange portion of the annular body. The outer radial wall has: a first tapered portion extending from the ferrule front end with an increasing radial dimension towards the rearward flange portion, the first tapered portion extending to a crown portion, the crown portion including a convex surface that tapers radially inwardly towards the rearward flange portion. | 11-17-2011 |
20120038150 | TAPERED DRIVE NUT FOR CONDUIT FITTING - A drive nut for a fitting includes an interior socket centered on a central axis and configured to receive at least a rearward portion of a conduit gripping member. The socket is defined by a radial drive surface positioned to engage the conduit gripping member during pull-up, a first longitudinal surface radially outward of said drive surface and a radially tapered second longitudinal surface between the drive surface and the first tapered longitudinal surface, wherein a conduit gripping device contact the second longitudinal surface upon an initial pull-up and each remake. This geometry facilitates a greater number of available remakes by reducing lost stroke, and can provide less stroke loss for fittings pulled up by torque. | 02-16-2012 |
20120061955 | PLUG UNIT AND CONNECTION SYSTEM FOR CONNECTING CAPILLARY TUBES, ESPECIALLY FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY - The invention relates to a plug unit for connecting capillary tubes, especially for high-performance liquid chromatography, with a plug housing that has an axial borehole, with a plug capillary tube that projects through the axial borehole of the plug housing, and with a sealing element that has an annular cross section and that surrounds the plug capillary tube, and the front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of the bushing unit, wherein the plug housing is constructed so that it can be connected detachably to a bushing unit, wherein the front end of the plug capillary tube projects into a capillary tube receptacle opening of the bushing unit when the plug unit and bushing unit are connected and with its end surface essentially aligned opposite a front end of a bushing capillary tube or a bushing capillary tube opening of the bushing unit, and the sealing element is loaded directly or indirectly with an axial contact force when the plug unit and bushing unit are connected. According to the invention, the sealing element surrounds a front end region of the plug capillary tube that can be inserted into the capillary tube receptacle opening of the bushing unit, wherein the end surface of the sealing element is flush with the end surface of the front end region of the plug capillary tube, or projects past this surface when the plug unit and bushing unit are not connected, a hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected. The pressure piece and the sealing element are rigidly connected to the plug capillary tube such that the axial pressure force can be transmitted to the end surface of the sealing element without there being relative movement between the pressure piece and sealing element, on the one hand, and the plug capillary tube, on the other hand | 03-15-2012 |
20120098258 | APPARATUS FOR CONNECTING AND SEALING PIPELINES - The various embodiments herein provide an apparatus for sealing and connecting pipelines ends laid on the land surface and in under water. According to an embodiment herein, the connector is made of hardened steel comprising of tubular housing shell, a plurality of bolts located over the housing shell, a wedge, at least two pusher leg associated to the bottom of the wedge, at least two gasket on either side of the connector end, a gasket spacer, a seat ring, an anti extrusion ring and a gripping block wherein the plurality of bolts are fastened vertically over the housing shell applying pressure on the wedge. The wedge in turn pushes the pusher legs forcing aside the gasket spacer, the seat ring and the anti extrusion ring towards the gripping block to apply pressure on the gaskets, sealing the pipelines ends. | 04-26-2012 |
20120119491 | Hollow Fiber Connection - A hollow fiber connection for the radial sealing connection between a hollow fiber and a connection element and/or between the hollow fiber and a housing, particularly for a device for field flux fractionating. Here, the hollow fiber is arranged in a housing connection of the housing. A sealing of the hollow fiber in reference to the connection element and/or the housing as well as in reference to the environment may be yielded according to the invention such that an annular element and a connection element are coupled via a connection part to the housing and/or the hollow fiber and that the hollow fiber connection achieves a sealing via a section between the hollow fiber and the connection element, which is created by an axial displacement of the annular element in reference to the connection element. | 05-17-2012 |
20120187678 | TUBE FITTING - Fittings are provided for use with different types of tubing. One such fitting includes a gripping member having a sharp tube indenting edge that provides a seal between the tube gripping member and the tube. Another such fitting includes a tube gripping member having a body indenting edge that provides a seal between the tube gripping member and a fitting body. | 07-26-2012 |
20130168959 | PIPE FITTING - A compression pipe fitting is provided. The fitting comprises a body defining one or more sockets for receiving an end of a pipe, a clamping nut and a grip ring. The socket is encircled by a threaded face, and is internally adapted to receive a compressible O-ring. The nut can be screwed onto the threaded face of the socket and has an internal tapered surface while the grip ring has a complimentally tapered surface which, when the nut is tightened onto the threaded face, bears upon the grip ring compressing it against the pipe and compressing the o-ring located within the socket. | 07-04-2013 |
20140252764 | TWO-PIECE SELF-LOCKING MECHANISM FOR TUBE ASSEMBLIES - A fitting for connecting tubular assemblies according to an exemplary aspect of the present disclosure includes, among other things, a base member defining a first bore configured to receive a tube therein. A retaining band defines a second bore for receiving a portion of the base member. The retaining band defines an engagement feature on a radially outward surface configured to engage a locking mechanism of a fastening member. | 09-11-2014 |
20150008668 | PIPE FITTING - A compression pipe fitting is provided. The fitting comprises a body defining one or more sockets for receiving an end of a pipe, a clamping nut and a grip ring. The socket is encircled by a threaded face, and is internally adapted to receive a compressible O-ring. The nut can be screwed onto the threaded face of the socket and has an internal tapered surface while the grip ring has a complimentally tapered surface which, when the nut is tightened onto the threaded face, bears upon the grip ring compressing it against the pipe and compressing the o-ring located within the socket. | 01-08-2015 |
20160003395 | MECHANICAL PIPE JOINT - A push-on pipe joint for connecting polyethylene water pipes comprises a hollow tubular body portion ( | 01-07-2016 |
20160033066 | Pipe Fitting - The invention relates to a pipeline fitting and method of using the same. The fitting includes at least one but typically a number of gripping means ( | 02-04-2016 |
20160053923 | Push-on Tubing Coupler with Triple Seal and Adapter - A press-on fitting for tubing, piping and conduit is provided with an abutment seal to enhance liquid-tight and gas-tight performance, unitary seals to facilitate removal and installation of the seals, and a color-coded hand-manipulable retention cap to allow for tool-less removal and replacement of the collet to allow for ease of withdrawal of an installed tubing, pipe, or conduit, and to allow for color coding of the retention cap to indicate contents, pressure, safety, temperature, etc. | 02-25-2016 |
20160084412 | COUPLING BARREL AND METHODS OF PRODUCING THEREOF - A coupling barrel having cavities and roll-formed from a single unit of material is described. The coupling barrel includes a wall, lips angularly extending from the wall that define the cavities, and wings angularly extending from the lips. A coupling assembly include the coupling barrel, a pair of glands, and a pair of seals is also described. | 03-24-2016 |
20160186901 | Fitting Adapter with Integrated Mounting Assembly, Device and Method - An integrated fitting arrangement includes a mounting plate having a base portion and a stem portion, along with a sleeve member adapted to slidingly engage the stem portion of the mounting plate. By having sliding and/or telescoping capability, the sleeve can adapt its length to couple a piping element with a fitting element in a variety of applications. A release pusher element is provided as part of the sleeve member to facilitate the release of tubing, piping and other cylindrical objects inserted into a fitting. | 06-30-2016 |
20180023733 | PIPE ADAPTER | 01-25-2018 |
285343000 | Compressed | 15 |
20090243290 | Isolation Gasket, System, and Method of Manufacture - Sealing systems for high pressure applications that provide electrical isolation between joined elements as well as enhanced resistance to leakage of media during a fire. High pressure sealing is accomplished using a metallic core to which an electrically isolating material is bonded on either or both sides. Sealing is achieved through a dielectric sealing element, such as a spring-loaded polytetrafluoroethylene (PTFE) ring. Flanges of the joint may be bolted together with the seal interposed therebetween, and the flanges bolted together. In the event of a fire, heat may be generated that is at a high enough temperature to burn away the isolating material and PTFE ring. Systems of various embodiments provide a metal core backup seal and a compression limiter, which, respectively, prevent the media from leaking from the joint and maintain bolt load at the flanges. | 10-01-2009 |
20090284009 | SYSTEM FOR FLUID TUBING CONNECTIONS - An embodiment of the present invention includes a fluid tubing connection system comprising a nut component, an anti-seize ring component, and a ferrule component. In assembly, the nut component slides onto an exterior of the tubing, followed by the ring component. The ferrule component is then coupled to an end of the tubing and has an interior diameter that matches an interior fluid diameter of the tubing. When connected to a fluid device, the anti-seize ring component isolates the tubing from any rotational motion of the nut component, which prevents damage of the tubing caused by seizing or twisting. Further, the connection system conforms the tubing such that the internal fluid path is continuous with substantially zero unswept volume. | 11-19-2009 |
20100072748 | COMPRESSION CONNECTION - A chromatography and fluidic device with connections capable of automated component changing, diagnostic leak and current sensing. The chromatography-electrospray device contains a chromatography column, a pre-column, a spray emitter, or other fluidic component imbedded within one or more inserts. The inserts are robotically placed in receiving hardware, and a “plug and play” compression fitting connection mechanism makes the fluidic seals in an automated fashion. A plurality of sensors capable of detecting leaks is situated in the device near leak-prone regions. The electrospray emitter has a current sensing electrode in proximity of the electrospray region, capable of detecting the electrospray current. In conjunction with an electronics system, these sensors allow for system and component diagnostics. The diagnostic information may then be used for manual or automated system repair. | 03-25-2010 |
20100102555 | TUBE FITTING - A tube fitting is provided which is able to be easily attached even in a narrow attaching place. The tube fitting | 04-29-2010 |
20110181042 | CONDUIT GRIPPING DEVICE HAVING RETAINING STRUCTURE FOR CONDUIT FITTING - The disclosure presents exemplary embodiments of a cartridge nut concept for conduit fittings. The cartridge nut concept may include the feature of loosely retaining one or more conduit gripping devices with a fitting component such as a male or female threaded nut. The cartridge nut concept may be realized using one or more geometry or shape features or characteristics of one or more conduit gripping devices. Still further, the cartridge nut concept may be realized in combination with a ferrule cartridge concept. | 07-28-2011 |
20110272942 | Tube coupling device - A tube coupling device includes a lock nut having a peripheral flange, an adapter having a peripheral rib for engaging with the peripheral flange, a male element having an outer thread threaded to the lock nut, and a washer disposed between the adapter and the male element and to be compressed between the adapter and the male element, and the adapter includes an engaging member extended from the peripheral rib and having an area smaller than that of the peripheral rib for decreasing a contact area between the washer and the adapter, the male element includes an engaging member having a decreased area for decreasing a contact area between the washer and the male element. | 11-10-2011 |
20130076028 | ROTATIONALLY ACTUATED COLLET STYLE TUBULAR CONNECTION - A collet assembly connects two tubular members with a rotation of an outer sleeve. The collet assembly includes a first tubular member with a grooved outer diameter end. The end is inserted into a collet having grooved inner and outer diameter surfaces, and an outer annular sleeve is threaded onto the collet. A grooved outer diameter end of a second tubular member is inserted into the collet. The outer annular sleeve is rotated relative to the collet. The rotation causes the collet to partially disengage from the outer annular sleeve and fully engage the grooves of the ends of the first tubular member and the second tubular member, thereby securing the first tubular member to the second tubular member. | 03-28-2013 |
20130214531 | FLUID COMPONENT ADAPTER AND METHOD - The present application discloses an exemplary adapter configured as a transition between a fitting and a fluid system component. In one exemplary embodiment, the adapter is configured as a transition between a compression fitting and a fluid system component. The adapter comprises a body portion, a compression portion, and a flange portion. A first end of the body portion is inserted into a port of the compression fitting and the compression portion compresses a resilient seal against a sealing shoulder of the fitting. A nut of the compression fitting engages the flange portion of the adapter to connect the adapter to the compression fitting. A second end of the body portion is connected to a fluid system component. The adapter provides a fluid tight connection between the compression fitting and the fluid system component without using a gasket ring or a locking ring of the compression fitting. | 08-22-2013 |
20140197633 | Fitting for Joining Tubes and Method of Joining Tubes - A crimp fitting comprises a female socket that is configured to be crimped to an end portion of a hard tube. The socket comprises an annealed annular wall that has an inner cylindrical surface portion and at least one annular sealing portion. The cylindrical surface portion lies axially between the socket opening and the annular sealing portion, and has a diameter matched to the OD of the tube. The annular sealing portion has an innermost diameter that is greater than the diameter of the cylindrical surface portion. As the end of the tube is inserted into the socket, the tube cannot slideably contact the annular sealing portion. Thus, the annular sealing portion will not be damaged by the insertion of the tube. Thereafter, the annular sealing portion is radially crimped and ultimately contacts and deforms a portion of the tube in a manner creating interlocking geometry and a pressure seal. | 07-17-2014 |
20140246853 | CONNECTING DEVICE FOR FLEXIBLE PIPES - A connecting device for flexible pipes, including: a supporting body, having at least one tubular portion which may be inserted in a relative flexible pipe; a seal ring, positioned around the tubular portion of the supporting body and switchable between an engaging position wherein it retains the flexible pipe on the tubular portion and a releasing position wherein it disengages the flexible pipe; and a mechanism for moving the seal ring for switching the ring between the engaging position and the releasing position; the tubular portion of the supporting body also including at least one protruding element, extending from the outer surface of the tubular portion along the entire transversal extension of the portion; the protruding element being interposed between two adjacent zones of the tubular portion having different transversal cross-sectional dimensions. | 09-04-2014 |
20140265321 | RAINTIGHT COMPRESSION CONNECTOR AND RAINTIGHT COMPRESSION COUPLER FOR SECURING ELECTRICAL METALLIC TUBING OR RIGID METALLIC CONDUIT - A raintight compression connector has a connector body with first and second portions and a bore extending therethrough. The first portion is dimensioned for receipt of an EMT or RMC conduit. A gland nut threads onto the first portion and a split compression ring contacts the gland nut so as to secure the connector body to the conduit. An upper sealing ring makes sealing contact with the conduit; and a wedge-shaped sealing ring is positioned in the bore of first portion against a shoulder formed in the first portion. The sealing ring contacts a terminating face of the conduit so as to pliably deform around the face so as to form a watertight seal. The second portion is securable to an enclosure. A coupler with two portions similar to the first portion of the connector has corresponding components to form a watertight seal with two conduits. | 09-18-2014 |
20150042089 | HIGH PRESSURE FITTING FOR A LIQUID CHROMATOGRAPHY SYSTEM - A fitting for coupling fluidic paths, such as high pressure fluidic paths in liquid chromatography systems, includes a compression nut, a tube assembly and a compression member. The compression nut has a threaded outer surface to engage a threaded bore of a receiving port and the tube assembly has an outer surface and an end face to contact a sealing surface of the receiving port. The compression member is pre-staked to the outer surface of the tube assembly at a predetermined distance from the end face and has a tapered surface to engage a surface of the receiving port. The predetermined distance permits the tube assembly to be inserted into the receiving port so that the end face makes contact with the sealing surface without the tapered surface engaging a surface of the receiving port and so that the threaded outer surface of the compression nut engages the threaded bore. | 02-12-2015 |
20150084335 | Pipe Coupling System and Methods of Use Thereof - A pipe coupling system for joining a first pipe to a second pipe, the system having: a fitting having a first opening at a first end, a threaded portion, and an interior channel, the first opening capable of receiving the first pipe, a nut having a nut opening and a threaded portion, the nut opening capable of receiving the first pipe, and a sealing member having a seal opening, the sealing member capable of receiving the first pipe and being deformed by a compression force, the threaded portion of the nut capable of screwing onto the threaded portion of the fitting thereby applying a compression force onto the sealing member, the interior channel capable of receiving the sealing member, the sealing member capable of sealing a gap between the fitting and the first pipe and/or gripping the first pipe thereby securing the first pipe to the coupling system. | 03-26-2015 |
20150362101 | PULL-UP BY TORQUE FITTING WITH COMPRESSIBLE MEMBER - A ferrule type, flareless fitting is provided that may optionally be pulled-up to its assembled condition by torque rather than by turns. In one embodiment, at least one fitting component includes a structure that facilitates pull-up by torque and allows the fitting to be remade. The structure may take a wide variety of different forms. Examples of fitting component structures that facilitate pull-up by torque and allow the fitting to be remade include, but are not limited to, deformable or compressible devices or structures that are configured to increase the torque required to further tighten the fitting components when the fitting is properly pulled up, resiliently deformable structures that bias a tube gripping device into engagement with a conduit when the fitting is remade to an initial pull-up position, and plastically deformable retaining structures that maintain a tube gripping device in sealing engagement with a conduit when a fitting is disassembled. | 12-17-2015 |
20160204587 | RAINTIGHT COMPRESSION CONNECTOR AND RAINTIGHT COMPRESSION COUPLER FOR SECURING ELECTRICAL METALLIC TUBING OR RIGID METALLIC CONDUIT | 07-14-2016 |