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| Number | Title | Issue Date |
| 5375893 | Threaded members The disclosure relates to a threaded member having an annular groove which is of greater depth than the base of the adjacent thread. A resilient ring is mounted in the groove having an outer periphery extending above the base of the thread and a plurality... | 12/27/1994 |
| 5374087 | Tapping sleeve A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a bran... | 12/20/1994 |
| 5368070 | Radial seal fluid couplers According to a further aspect of the present invention there is provided a coupling comprising a male coupler and a female coupler including means for allowing transmission of fluid pressure between the couplers on the mating of the couplers, a first annu... | 11/29/1994 |
| 5366261 | Pipe joint with a gasket retainer A pipe joint comprises a pair of tubular joint members having a gasket holding annular projection on each of butting faces thereof, an annular gasket interposed between the butting end faces of the joint members, and a nut for connecting the joint members... | 11/22/1994 |
| 5342096 | Connector with captive sealing ring A seal or connector and seal apparatus which includes a generally annular member having an outer surface and an inner surface and a plurality of tabs extending generally radially from at least one of the surfaces. The tabs are disposed to engage axially s... | 08/30/1994 |
| 5340170 | Pipe joint and gasket retainer for use in pipe joint A pipe joint comprises a pair of tubular joint members having a gasket holding annular projection on each of butting end faces thereof, an annular gasket interposed between the butting end faces of the joint members, a retainer for causing one of the join... | 08/23/1994 |
| 5338075 | Combination fluid flow ports A combination fluid flow port which can be used as both a full size threaded port and a full size flange port is provided with an annular ring constructed and arranged to fit closely within a counterbore in the end of a threaded hole in the port to provid... | 08/16/1994 |
| 5324083 | Pipe connection with sleeve, insert part and retaining ring A pipe connection which the insertion piece fits into a sleeve and presses a retaining ring there against. The retaining ring has a compression rib and is constructed so as to be urged into a channel in the sleeve, The ring body is formed unitarily with a... | 06/28/1994 |
| 5314210 | Device for connecting a flexible pipe to a rigid tubular joining piece Device for connection between a flexible pipe 1 and a rigid tubular joining piece 2 intended to be fitted inside the flexible pipe. Two coaxial, rigid, tubular elements 3, 4 are disposed respectively inside and outside the end of the flexible pipe and emb... | 05/24/1994 |
| 5310224 | Process for manufacturing a hose coupling component intended particularly for a hose connection between a turbo unit and an air cooler, and a hose coupling component of this type Hose coupling component, especially for a hose connection between a turbo charger and an air cooler in an internal combustion engine, comprises a pipe sleeve (12) of pressed sheet metal, which has a peripheral flange (16) to be fixed by means of a V-shape... | 05/10/1994 |
| 5308125 | Sealed connector for automotive A/C system A sealed connector for an automotive air conditioning system compresses a sealing ring between accurately ground, axially opposed sealing surfaces of a pair of mated connector blocks that are bolted together. A steel retainer to which the sealing ring is ... | 05/03/1994 |
| 5299843 | Anti-twist coupling assembly A tube coupling comprises first and second coupling components having transversely extending sealing end faces in aligned face-to-face relationship. First and second nut members are arranged to drive the sealing end faces toward each other. An annular ant... | 04/05/1994 |
| 5282653 | Coupling apparatus A coupling apparatus is provided for quick coupling of pumping equipment to a cylindrical member. The coupling apparatus includes at least one sealing member that may be hydraulically biased to provide a fluid tight seal between the coupling apparatus and... | 02/01/1994 |
| 5275013 | Reusable tube piercing tool for refrigerant recovery A refrigerant tube piercing tool capable of being removably and sealingly mounted on a refrigerant tube of copper or the like in a sealed refrigerant system to enable the recovery of refrigerant from the sealed system without discharge into the atmosphere... | 01/04/1994 |
| 5239944 | Water conduit connector for an animal water supply system The present invention is a water conduit connector for an animal water supply system. The connector has a body which receives adjacent ends of water conduit sections. Inserts are positioned into the connector body and define pockets for positioning sealin... | 08/31/1993 |
| 5236229 | Flange assembly with retention means A flange assembly (24) includes a cover (26), a base (28) and a compliant gasket (30) all of which are of circular configuration with a central opening. Gasket (30) is assembled within a nest formed by tapered surface (52) and rim (50) of base (28). Cover... | 08/17/1993 |
| 5234039 | Sealing device for fuel supply port of fuel tank for use in vehicles A sealing device for the fuel supply port of a fuel tank for use in vehicles includes a nozzle seal made of a rubber-like elastic material. The nozzle seal is provided in an annular groove formed in an inner peripheral surface of a fuel supply port guide ... | 08/10/1993 |
| 5222769 | Double-wall composite pipe and coupling structure assembly A double-wall composite pipe comprises a permeable annulus structure separating impermeable inner and outer walls. The permeable annulus structure has micro-fractures formed therein that function to reduce the flow rate and pressure of fluids leaking thro... | 06/29/1993 |
| 5209523 | Connecting device particularly for the assembly of a hose with a heat exchanger of an automotive vehicle A connecting device, particularly for the assembly of a hose with a heat exchanger of an automotive vehicle. It comprises a mobile ring (25) housed inside one of the two elements of the connecting device, and which comprises on its periphery at least one ... | 05/11/1993 |
| 5203576 | Clip for a gasket A clip of the invention is designed to attach a gasket to a gasket attaching portion of an engine part. The clip comprises a body, a projection formed at a first end portion of the body, and an engaging portion formed at a second end portion of the body. ... | 04/20/1993 |
| 5201553 | Pipe connector for washing machine drainage A washing machine drain hose connector for coupling the discharge hose pipe to a sewer drain pipe is made of pliable, elastomeric material. The connector shape is a staggered, coaxial series of cylindrical sleeve sections connected end to end by integrall... | 04/13/1993 |
| 5163721 | Fluid coupling with gasket retainer having interlocking portions A gasket and retainer arrangement for use in a coupling of the type having first and second coupling components with opposed end faces including sealing ribs extending axially therefrom with an annular sealing gasket interposed therebetween comprises a re... | 11/17/1992 |
| 5160177 | Connector for connecting slender piping members with cantilever mechanism Herein disclosed is a connector for connecting slender piping members. The connector comprises: a connector body and a separate socket body. The connector body is formed axially therethrough with a stepped smaller-diameter chamber, which is expanded to le... | 11/03/1992 |
| 5150926 | Double pipe connection on plastic pipes A double pipe connection is provided having a one-piece gasket (5), which extends sealingly into an intermediate space (1c) of one pipe end (1a) with an internal, transversely extending wall (5c), on one hand, and, also sealingly surrounds a partition (2c... | 09/29/1992 |
| 5149148 | Pipe swivel joint with improved bore seal A pipe swivel joint with male and female hubs and an improved bore seal assembly having an anti-extrusion ring that axially energizes the swivel joint hubs toward their operational position as the joint is assembled.... | 09/22/1992 |
| 5145219 | Tube coupling with gasket retainer A tube coupling assembly particularly suited for ultra-high vacuum applications comprises a pair of coupling components having through passages and abutting end faces. Each end face includes an annular continuous rib or bead. A threaded coupling nut acts ... | 09/08/1992 |
| 5131692 | Pipe connector with threaded seal in nonthreaded cavity A pipe connector device for selectively interconnecting a pair of pipe elements in an end-to-end relationship and for sealing a junction between the elements to prevent leaks. A first and a second pipe element each includes a cavity adjacent to a center b... | 07/21/1992 |
| 5127682 | Joint A joint comprises a body including a cylindrical front wall having an inner bore, a small diameter chamber extending from the bore and having a diameter larger than that of the cylindrical wall, a large diameter chamber extending rearwardly from the small... | 07/07/1992 |
| 5121946 | Pipe repair or joining collar A pipe repair or joining collar comprising a pair of rigid arcuate casing members (10) which may be drawn together around a damaged pipe or a pair of pipe ends with the interposition of one or more elastomeric arcuate seals (13) and wedges (17) located be... | 06/16/1992 |
| 5110161 | Means of improving performance of swivelling pressure sealing devices A swivellable fitting assembly has a housing with a stem with a rotatable nipple on the stem. The rotatable nipple is sealed and spaced from the nipple to enable rotation of the nipple or housing with respect to one another.... | 05/05/1992 |
| 5092636 | Sealing ring disposed in recessed flange member A sealing ring having a predetermined axis of symmetry is formed of a resiliently compressible elastomer for use in a sealing ring system in which two members are secured together with the ring interposed therebetween. The sealing ring has an annular base... | 03/03/1992 |
| 5076313 | Fusible plug structure A fusible plug structure is provided for use on a refrigeration system component. Among the features of the invention is means of a novel character for connecting a gasket or sealing member to one end of a fusible plug body, which assures a proper and eff... | 12/31/1991 |
| 5076594 | Sealing connection between tubular members A sealing connection between first and second members having coacting telescoping ends. A resilient U-shaped metal seal ring is positioned in a groove in the first member and seals against both the first and second members and includes a soft metallic sea... | 12/31/1991 |
| 5066051 | Anti-twist coupling assembly with biasing means A tube coupling comprises first and second coupling components having transversely extending sealing end faces in aligned face-to-face relationship. First and second nut members are arranged to drive the sealing end faces toward each other. An annular ant... | 11/19/1991 |
| 5066053 | Clamp with pipe branch A clamp for forming a seal on a pipeline section, the clamp comprising a pair of complementary clamp members to be clamped together, each clamp member having an inner surface with a pair of axially spaced, circumferentially extending circumferential seals... | 11/19/1991 |
| 5052439 | Undersea hydraulic coupling with dovetail seal An undersea hydraulic coupling includes a male member and female member, and a two-piece retainer for restraining radial movement of a wedge-shaped annular seal into the central bore of the female member. The two-piece retainer includes a cylindrical reta... | 10/01/1991 |
| 5050914 | Union joint A union joint capable of connecting two pipes in a perfectly sealed joint. The union joint comprises a first sleeve hermetically joined to a first pipe, a second sleeve hermetically joined to a second pipe, a metallic gasket interposed between the first a... | 09/24/1991 |
| 5040828 | Tapping sleeve A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a bran... | 08/20/1991 |
| 5035272 | Device for sealing refueling opening A sealing device for use in a refueling opening is provided with an elastic seal member which seals a gap between a tubular casing provided in the refueling opening and a fueling nozzle inserted into the casing at the time of refueling. The elastic seal m... | 07/30/1991 |
| 5029613 | Hydraulic coupler with radial metal seal A coupling having a seal member with an annular flexible metal seal surface for sealing with a male member or probe. The metal seal surface is integral with the seal member and extends into the bore of the female member. The metal seal surface is urged ra... | 07/09/1991 |
