Class / Patent application number | Description | Number of patent applications / Date published |
285354000 | Screw thimble | 30 |
20080217917 | Joint Structure for Quickly Connecting Corrugated Pipe - A joint structure for connecting a corrugated pipe to a fixed part includes a main body, a packing screw cap, and a clamping claw. The clamping claw is sandwiched between the main body and the packing screw cap. The clamping claw defines a through slot at an edge thereof to make the clamping claw can enlarge an inside diameter thereof. A plurality of inner claws is formed at the edge of the clamping claw. A locking part protruding towards the center of the clamping claw is formed at an end of each of the inner claws. Two slits are respectively defined at two sides of each inner claw so that the inner claw has elasticity. The corrugated pipe with different diameters can directly insert into the clamping claw from outside, and the corrugated pipe cannot be dropped out directly. | 09-11-2008 |
20080217918 | Tubing for a plumbing connection - Cross-linked polyethylene (PEX) tubing is utilized in a plumbing application for its strength and flexibility. A thin outer layer is formed around the PEX layer to provide a variety of color choices for the final tubing. The use of a softer material for the outer layer provides the unexpected benefit of a more secure connection as a standard connector having a ring is able to dig into the outer layer and provide a more secure grip and an improved hydraulic sealing. | 09-11-2008 |
20090091131 | HIGH-PRESSURE THREADED UNION WITH METAL-TO-METAL SEAL, AND METAL RING GASKET FOR SAME - A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The metal ring gasket is capable of maintaining a fluid seal even at very high temperatures resulting from direct exposure to fire. At high fluid pressures the metal ring gasket is energized because hoop stress induced by the fluid pressure forces the metal ring gasket into tighter contact with the subcomponents of the threaded union. | 04-09-2009 |
20090160186 | Threaded union for tubulars used in high-pressure fluid applications - a threaded union for tubulars used for high-pressure fluid applications includes a unitary nut supported by at least two nut retainer segments received under a top wall of the nut in an annular segment retainer groove in one of the tubulars. The nut retainer segments fully support the unitary nut. The nut retainer segments are held in the annular segment retainer groove by limiting travel of the nut or by securing the nut retainer segments in the segment retainer groove. | 06-25-2009 |
20090230678 | Compression fitting adjustment system - The present invention generally relates to a size adjusting device that may be used with compression connectors, such as compression couplings and fittings, that are designed to be connected to at least one duct (such as a pipe or tubing). Such compression connectors are typically comprised of at least one compression member, which is compressed between a casing member and the duct, forming a fluid-tight seal between the duct and the compression connector. The size adjusting device may be positioned between the compression connector and a smaller duct, so that fluid-tight seals are formed between the smaller duct, the size adjusting device, and the compression connector. This allows the compression connector to be connected to ducts that are smaller than the size of duct for which the connector is designed. The present invention also includes methods of use and kits related to the size adjusting device. | 09-17-2009 |
20100096852 | HIGH-PRESSURE THREADED UNION WITH METAL-TO-METAL SEAL, AND METAL RING GASKET FOR SAME - A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The metal ring gasket is capable of maintaining a fluid seal even at very high temperatures resulting from direct exposure to fire. At high fluid pressures the metal ring gasket is energized because hoop stress induced by the fluid pressure forces the metal ring gasket into tighter contact with the subcomponents of the threaded union. | 04-22-2010 |
20100117359 | Field replaceable hammer union wing nut apparatus and method - A field replaceable wing nut having an arcuate body and an arcuate insert is disclosed. The wing nut is designed to replace an existing wing nut which has deformed or non-useable lugs on a hammer union connection. The wing nut has accurate alignment of the mounting threads using an alignment attachment device. Replacing the wing nut in the field does not require any special equipment or training. Each wing nut is designed for a particular pipe diameter. | 05-13-2010 |
20110121566 | Glueless plumbing union - A glueless union suitable for joining piping and other plumbing components. Several components are used to create the union. The portion of each plumbing component that is to be joined is a circular, thick-walled section which is centered on a central axis. This portion has a mating face that is perpendicular to the central axis. The union includes an annular face seal which is compressed between the opposing mating faces of the plumbing components to be joined. | 05-26-2011 |
20110127771 | FITTINGS FOR HIGH PRESSURE HYDRAULIC COUPLINGS - Hydraulic fittings for use in high pressure hydraulic couplings are provided. The fittings include a body of a hard material such as steel or stainless steel and having an externally threaded portion that terminates in a frusto-conical nose defining a frusto-conical sealing surface, a circumferential groove provided in the sealing surface, and an annular seal received in the groove and comprised of a more malleable material than said hard material, wherein a portion of the annular seal extends beyond the sealing surface such that the annular seal deforms to closely conform to an internal frusto-conical sealing surface of a complementary fitting used in the coupling to provide a fluid seal between the fittings. | 06-02-2011 |
20110175349 | HIGH-PRESSURE THREADED UNION WITH METAL-TO-METAL SEAL, AND METAL RING GASKET FOR SAME - A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The metal ring gasket is capable of maintaining a fluid seal even at very high temperatures resulting from direct exposure to fire. At high fluid pressures the metal ring gasket is energized because hoop stress induced by the fluid pressure forces the metal ring gasket into tighter contact with the subcomponents of the threaded union. | 07-21-2011 |
20110221190 | TUBE JOINT CONSISTING OF RESIN - A resin pipe joint in which, although an economical configuration formed by two components or a joint body and a union nut is employed, both a resistance against pulling and an excellent sealing property can be attained is provided. A resin pipe joint is configured so that the joint has: a synthetic resin-made joint body | 09-15-2011 |
20110266795 | THREADED UNION FOR TUBULARS USED IN HIGH-PRESSURE FLUID APPLICATIONS - A threaded union for tubulars used for high-pressure fluid applications includes a unitary nut supported by at least two nut retainer segments received under a top wall of the nut in an annular segment retainer groove in one of the tubulars. The nut retainer segments fully support the unitary nut. The nut retainer segments are held in the annular segment retainer groove by limiting travel of the nut or by securing the nut retainer segments in the segment retainer groove. | 11-03-2011 |
20120319400 | FITTING ASSEMBLY - A fitting assembly for use in a fluid transfer assembly includes a fluid conduit having a first fitting with first and second ends and a bore extending between the first and second ends for receiving the fluid conduit. The first end of the first fitting is configured to sealingly dispose a ferrule assembly within a second fitting in an engaged position. The fitting assembly further includes a third fitting having first and second ends and a bore extending between the first and second ends for receiving the fluid conduit. The first end of the third fitting is configured to sealingly dispose a collet assembly within the first fitting in an engaged position. | 12-20-2012 |
20120326439 | Valve and Other Connections - A assembly having a body; at least one port to receive tubing; and a collar group to secure the tubing to the port, wherein the collar group is selected from a first collar group configured to secure the tubing by a flattening a washer, thereby driving teeth of the washer into the tubing, and a second collar group having a smooth interior surface to which the tubing is bonded, wherein either the first or the second collar groups may be interchangeably threaded onto the port. | 12-27-2012 |
20130099487 | THREADED UNION FOR TUBULARS USED IN HIGH-PRESSURE FLUID APPLICATIONS - A threaded union for tubulars used for high-pressure fluid applications includes a unitary nut supported by at least two nut retainer segments received under a top wall of the nut in an annular segment retainer groove in one of the tubulars. The nut retainer segments fully support the unitary nut. The nut retainer segments are held in the annular segment retainer groove by securing the nut retainer segments in the segment retainer groove. | 04-25-2013 |
20130113209 | LIQUID-TIGHT FITTING - A liquid-tight fitting comprising a ground element including a ferrule and a tube that extends from the ferrule to receive a conduit, wherein the tube includes one or more protruding elements that each protrudes from the tube and provides grounding to the conduit, and wherein the ferrule includes a lip portion; a threading element including a first shaft having a circumference sufficient to receive the ferrule portion, wherein the first shaft includes threads; a sealing ring including an opening defined by a tapered portion to seat against the lip portion; and a nut including threads to be received by the first shaft, wherein as the nut is threaded with the first shaft, the sealing ring is compressed onto an outer surface of the wall of the conduit based on a pulling of the nut against the sealing ring toward the lip portion of the ferrule. | 05-09-2013 |
20130127161 | REFRIGERATION SYSTEM CONNECTION FITTING - A disclosed connector assembly for a refrigerant system mounted within an aircraft includes a metal seal disposed within a seal bore of a connector and compressed against a seal face of a nipple secured to the connector by a threaded member. The connector includes a seal bore that receives the metal seal with the inner portion of the seal bore open to the bore. In one example, the connector and nut are formed from aluminum and the nipple is formed from stainless steel and includes an aluminum coating applied to surfaces in contact with the metal seal and the connector. | 05-23-2013 |
20130277964 | COUPLING - A plumbing fitting for coupling a water supply line to a second plumbing fitting includes a polymeric tailpiece having one end for coupling to a conduit and an opposite end with an outwardly extending annular flange having an annular face surface. A circular recess is formed in the face surface for receiving a seal. A nut is positioned over the tailpiece and has an inwardly extending annular rim engaging a side of the flange opposite the face surface. The nut is formed of a polymeric material having internal threads and integrally includes a metal insert extending in concentric spaced relationship to the threads of the nut. The insert includes an end which is threaded and forms a lead-in thread that is coaxial with the threads of the nut. | 10-24-2013 |
20140110937 | PIPE JOINT - A pipe joint which does not generate fine particles even though being repeatedly mounted and demounted is provided. A pipe joint includes first and second joint members having fluid channels communicating with each other, an annular gasket to be interposed between abutting end surfaces of the both joint members, and a nut configured to couple the joint members. The nut is provided with an inner surface treated layer. The inner surface treated layer includes a Co (cobalt)-P (phosphorous) alloy metal coating provided on an inner surface of the nut and a fluorine coating provided on the surface of the alloy metal coating. | 04-24-2014 |
20140145434 | COUPLER FOR CORRUGATED PIPE - The present invention relates to a coupler for a corrugated pipe that is provided with a sealing member mounted inside a fastening member and made of a softer metal material than the corrugated pipe, thereby preventing the fastening member from being damaged due to the fastening force of a cap nut, and that is provided with a grounding portion formed at the front portion of a metal sleeve in such a manner as to enter a coated layer of a composite member and to be grounded to a metal braided net of the composite member when the cap nut is fastened, thereby protecting the corrugated pipe from lightning. | 05-29-2014 |
20140203553 | Connector Assembly for Liquid Media Pipes - A connector assembly for liquid media pipes, particularly for joining fittings and/or parts of systems for transporting domestic liquid media or the like, comprising a corrugated pipe and at least one tubular head with a central through-hole, wherein the tubular head has a concentric tubular extension with the central through-hole, which is insertable into the inner contour of at least one of the ends of the corrugated pipe, said extension provided with a number of circumferential annular shoulders on its outer contour that are equipped to fit into the inner contour of the corrugated pipe, and the tubular extension having at least one knurled section on its outer surface that is in contact with the inner contour of the corrugated pipe in which said tubular extension is inserted. | 07-24-2014 |
20140265323 | JOINT DEVICE FOR CORRUGATED PIPE - Disclosed therein is a joint device for a corrugated pipe. A socket pipe in which a packing is forcedly inserted is joined to a non-corrugated part of the corrugated pipe and the non-corrugated part is expanded at the position of the packing, so as to keep airtightness in a pressed state of the packing. The joint device has a guide groove formed on the outer circumference of the socket pipe, a connector fit to the socket pipe, and a movable bolt screw-coupled to the outer face of the socket pipe and forcedly joined to the guide groove, so as to freely rotate the connector independently from the corrugated pipe. | 09-18-2014 |
20140300106 | PIPE JOINT STRUCTURE FOR SEMICONDUCTOR PROCESSING - The present invention relates to a pipe joint structure for a semiconductor processing, comprising: a first pipe joint; a second pipe joint; a gasket inserted into adjacent surfaces of the first pipe joint and the second pipe joint; and a screw for bringing the adjacent surfaces of the first pipe joint and the second pipe joint into close contact with the gasket, wherein the first pipe joint has an annular indented groove formed in the center of the adjacent surface thereof, the second pipe joint has a protrusion portion formed on the adjacent surface thereof so as to correspond to the indented groove, and the gasket has a second protrusion portion and a second indented groove which are respectively formed on both side surfaces thereof so as to correspond to the indented groove and the protrusion portion. | 10-09-2014 |
20140306448 | Fitting For Tubing Containment System - A fitting for use with metal tubing includes an adaptor, the adaptor having a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adaptor and aligned with the longitudinal axis; a metal sealing member positioned between the adaptor and the body; a nut positioned opposite the body; a jacket lock ring positioned radially inwardly of a portion of the nut, the jacket lock ring for making a mechanical connection with an outer jacket of the tubing; and at least one fastener coupling the nut, body and adapter. | 10-16-2014 |
20140312617 | PIPE JOINT - Provided is a pipe joint which can prevent fine particles generated when a male threaded member and a female threaded member are threadedly engaged with each other from entering a fluid passage thus maintaining a high degree of cleanliness. Joint members | 10-23-2014 |
20140319827 | Method and Structure for Preventing Slipping-off of a Tube in a Pipe Joint Made of Fluororesin - A pipe joint structure is used to prevent a tube and pipe joint, especially fluororesin pipe joint from slipping off. The pipe joint comprises a joint body, a fixed ring and a union nut. A jig is used to expand the tube end to become a flared end consisting of a conical surface and a tubular surface, and finally connect it to the conical surface and tubular surface on top of the tube connecting portion of the joint body. When the union nut is fastened to the locking thread of the tube connecting portion, its interior recess portion will couple with the bulging surface of fixed ring to ensure it to stay in a concentric position, thereby allowing the tube wall of sealed surface to be compressed evenly and secured firmly on said pipe joint so to achieve a seal and prevent it from slipping off. | 10-30-2014 |
20150008669 | PIPE JOINT, AIR CONDITIONER, METHOD FOR PRODUCING CONNECTING PIPE, CONNECTING PIPE, AND CONNECTION METHOD - A pipe joint is connected with a connecting pipe, and includes a pipe joint body and a nut member. When the connecting pipe formed with a bead expanded in the radial direction is connected with this pipe joint, a male thread of the pipe joint body is engaged with a female thread of the nut member to hold the bead between a tapered face and a tapered face. In addition, the joined portion between the bead and the tapered face forms a first sealed portion, and a joined portion between the bead and the tapered face forms a second sealed portion. Still further, a tapered face of the pipe joint body is joined with the tapered face of the nut member to form a third sealed portion. | 01-08-2015 |
20150028587 | Safety Connecting Device, In Particular For Piping, An End-Coupler For Such Device, And A Method For Manufacturing A Nut Therefor - The device connects a first end-coupler with a second end-coupler, in particular of a piping. A nut is provided with a threaded bore in which the first end-coupler is screwed along a longitudinal axis. In a tightening position, the first end-coupler is in axial stress with a second end-coupler accommodated in the nut. Anti-rotation means are provided between the nut and at least one of the end-couplers to prevent relative rotation except when a torque exceeding a predetermined threshold is applied thereto. The anti-rotation means consist of at least one tab made in the material of the nut to lockingly interfere with substantially planar faces formed on the second end-coupler. | 01-29-2015 |
20150330542 | COUPLING DEVICE FOR TUBULAR MEMBERS - A coupling device includes a tubular member having an outer thread, and having a number of pawls extended axially and outwardly from the tubular member, a coupler having end portion engaged into the tubular member and having an engaging member provided on the coupler, and a lock nut includes an inner thread engaged with the tubular member for securing the tubular member and the lock nut together, the lock nut includes a radially and inwardly extended peripheral flange for engaging with the pawls of the tubular member and for forcing the pawls to move inwardly toward the coupler and to engage with the engaging member of the coupler and to secure the coupler to the tubular member. | 11-19-2015 |
20160252200 | FUEL FITTING | 09-01-2016 |