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8091932 |
Coupling device and method for manufacturing a grip ring 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,...
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8083266 |
Gas riser apparatus, and method for making and using same
A gas riser apparatus, and methods for making and using a gas riser apparatus, utilize a swivel-nut having an annular collar section thereof which includes a radially outwardly opening annular...
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8069876 |
Sealing bush, hydraulic unit, and check valve
There is disclosed a sealing bush as well as a hydraulic unit fitted with the sealing bush and a check valve. The sealing bush is made of plastic and has, on an end face, a preferably conical...
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8033577 |
Flared screw fitting
A flared screw fitting has a pipe expanded in an end section into a tulip flare. A connecting piece has a conical stop face situated on an end section, which is joined in the direction of a forward...
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7918486 |
Connector seal comprising rachet teeth
A connector seal device for connecting a branch pipe to a transverse opening of a main pipe, including a hollow elastomer insert of a first material and a pipe union of a harder second material....
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7837235 |
Device for clamping a fluidic component
A fluidic component is arranged in an elastomeric shaped part, the contour of which is matched to the outer contour of the component and to the inner contour of a holder. The elastomeric shaped...
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7661722 |
Gas riser apparatus, and method for making and using same
A gas riser apparatus, and methods for making and using a gas riser apparatus, utilize a swivel-nut having an annular collar section thereof which includes a radially outwardly opening annular...
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7503083 |
Means for covering the flange of a waste water strainer
A waste water insert has a cylindrical wall surrounding a vertical cylindrical bore. A horizontal flange extends outwardly from the upper end of the wall and has a lip formed on its outer...
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7431349 |
Releasable connection arrangement for two rotationally symmetrical components
A releasable connection arrangement includes a first component, which has a collar projecting radially outwards with a first clamping surface and a first bearing surface and a socket disposed at an...
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7347224 |
Supply and exhaust pipe
In order to provide a supply and exhaust pipe comprising a drop-off prevention mechanism, particularly effective for pipes with a large diameter, to increase bending strength and sealing...
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7150478 |
Integrated seal for tube to hose connection
A hose connector adapted to have a polymeric hose fitted on the outer periphery of the hose connector. The hose connector comprises a metal tubing and a sealing element. The sealing element...
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7118138 |
Quick connect fastener and connection
A connecting fastener is provided. The fastener includes a cylindrical base that includes a first end and a second end and a wall. A central bore is defined in the base and an aperture is defined...
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7040669 |
Fuel feeding pipe
A fuel feeding pipe having a first feed oil pipe extending from an oil filler port, a second feed oil pipe projecting from a fuel tank, and a tightening belt for connecting and tightening these oil...
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7032934 |
Hydraulic fitting
A connector for a fluid conduit is provided herein. The connector includes a conduit structure and an annular seal member. The conduit structure has a frustro-conical surface and a seal groove. The...
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7014224 |
Fluid line connector
A fluid line connector for connecting first and second fluid lines, having: a male portion (12) having a generally frusto-conical nozzle (22); a female portion (14) having a complementary generally...
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7014217 |
Pipe connector
An improved pipe connector includes a fastening member between two connecting pipes. The fastening member has a fastening section on one end coupling with a pad sleeve. The fastening section is...
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7000953 |
Pipe screw-connection
A pipe screw-connection for connecting a pipeline having a connection end with a deformed annular bead, including a connection stub and a screw-connection coupling part, which can be...
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6854770 |
Pipe or the like, a female end ring, and a method of manufacturing such a pipe or the like
A pipe formed from a concrete cylinder has an end ring with a ferrule which can be snuggly mounted on one end of the pipe and a skirt axially adjacent to the ferrule for receiving a mail endpiece...
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6767035 |
High torque modified profile threaded tubular connection
A threaded pipe connection having box and pin members is provided with inner engageable thread means on the box and pin members, the thread means including a helical dove-tail thread having...
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6572152 |
Subassembly electrical isolation connector for drill rod
In a subassembly electrical isolation connector for interconnecting sections of a tubular drill rod, the subassembly having an electrically insulated connector for and between spaced-apart...
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6431609 |
Pipe connection for ventilating duct system
A pipe connection for use in a ventilating duct system having ducts with circular cross-section is adapted to be inserted with a close fit into an outer pipe and be connected therewith. The pipe...
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6149206 |
Fluid distribution apparatus and method
A fluid distribution apparatus in which a conduit extends in a bore of a fitting having a shoulder formed in the bore, The conduit has an external bead for engaging the shoulder to locate the...
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5845945 |
Tubing interconnection system with different size snap ring grooves
A threadless interconnection system for sections of pipe as provided by a male/female interconnection in which the male member and female members have mating tapered surfaces providing both the...
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5839765 |
Metal seal ring for tubular joint
A tubular joint has a pair of tubular members (10, 12) with end hubs (14, 16) in opposed relation and secured by a clamp (22). A primary seal ring (40) has external tapered sealing surfaces (42,...
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5772643 |
Barbed luer adapter
The luer adapter of this invention includes a barbed portion having a generally cylindrical distal portion, a generally conical portion, a generally cylindrical portion and a generally outwardly...
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5700014 |
Vacuum sealing structure
A vacuum sealing structure (1) for connecting a first connection part (13) with a second connection part (43) via a gasket (31). The first connection part (13) or the second connection part (43) is...
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5577777 |
Ground joint coupling having a polymeric seat
A ground joint coupling for hoses comprises a stem, a ground joint head formed at a first end portion of the stem, a spud having a first end portion, a molded polymeric annular seat adapted to be...
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5503438 |
Flared tube coupling having a disposable sealing boot
In a tube coupling a resilient sealing boot is disposed between facing frusto-conical sealing surfaces to prevent fluid flow therebetween. A first tube is provided an external frusto-conical...
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5441314 |
Threaded fittings
An externally threaded fitting for use in coupling a fluid-conducting tube to a fluid-processing system threaded entrance opening is provided with a tapered-bottom groove immediately above and...
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5402829 |
Structure for high-pressure fuel injection tube and method of manufacturing the same
Herein disclosed is a high-pressure fuel injection tube structure comprising: an injection tube body having a joint head at its one end; and a cap collar having a through hole generally at its...
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5380019 |
Spring seal
A seal is provided for use with a tube coupling assembly. The tube coupling includes a male fitting having a beveled conical surface on the outside of its end and a female fitting having a beveled...
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5363545 |
Method of producing a coupling for oil country tubular goods
Producing a coupling for oil country tubular goods having a metal seal and a screw thread tapered toward its end. A plain pipe is cut to a predetermined length and hot-forged with longitudinal...
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5261705 |
Coupling for high pressure fluid
A coupling for connecting a connecting pipe to a main pipe. The coupling comprises a coupling member and a nut screwed into the coupling member. A projection having an arc-shaped cross-section and...
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5236230 |
Coupling assembly
A pipe coupling assembly of threaded and coupled (T and C) type for forming well strings by operably connecting lengths of pipe or tubes in a coaxially aligned relationship. The interior...
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5217261 |
Flareless compression fitting
A tube connector for sealing a flareless tube to a fitting having a flat sealing face perpendicular to the fitting axis. The tube connector incorporates a ferrule engaged by a sleeve mounted on the...
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5188402 |
Gasket apparatus and hermetically sealed joints employing said gasket apparatus
Gasket apparatus and hermetically sealed joints employing the apparatus are provided wherein a tapered male member and a tapered female member are joined and a substantially hermetic seal is...
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5169182 |
Branch connection in a high pressure fuel rail with gasket
A branch connection for a high pressure fuel rail including a passage through which high pressure fuel flows, and a plurality of through holes formed in the circumferential wall of the passage and...
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5120084 |
Connection structure for branching connector in high-pressure fuel rail
Possible penetration into the pressure bearing surface of the pressure head portion of the branching connector when the pressure bearing surface is connected in abutting engagement to the pressure...
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5120203 |
Universal plunger for oil well pumps
A universal plunger for oil well pumps, which universal plunger includes a symmetrical plunger body having a longitudinal bore, a pair of threaded flange nipples projecting from end flanges located...
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5083821 |
Extreme temperature thread sealing method and apparatus
A two or three piece seal apparatus and method is described for providing a positive seal of threads in extreme temperature ranges up to 2000° F. for at least 20 minutes. A stainless steel ...
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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...
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4902048 |
Joint structure for jointing metal pipes at their ends
Herein disclosed is a joint structure for jointing the ends of two pipes to each other. One pipe has its one end portion formed with a plurality of slots arrayed circumferentially in its wall and...
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4706997 |
Coupling for tubing or casing and method of assembly
Precision makeup at high speed of the most used forms of pipe and casing for production wells is assured by a novel coupling system. A pipe collar is provided with an internal precision makeup ring...
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4681352 |
Joint for a pipe provided with a flared end
The invention relates to a joint for a pipe provided with a flared end. An internal supporting surface (4) of a tightening flange (3) makes contact with the outside of the pipe flare (2), a...
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4679831 |
Pipe coupling connection sealing apparatus
A pipe coupler with sealing apparatus for use with lined or unlined pipes has a pipe connector member having a bore for receiving a floating seal means intermediate to threaded pipe holding...
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4671544 |
Seal for threaded pipe connection
A threaded pipe connection is disclosed having tapered sealing surfaces between the ends of the threads on the box and pin that engage and a resilient seal member located in a groove about midway...
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4659118 |
Pipe seal connection between confronting ends of two coaxial relatively rotatable pipes
A pipe seal connection defines the seal between confronting pipe ends of two pipes which are coaxial and rotatable relative to each other. The confronting pipes ends are provided with spaced...
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4640537 |
Joining means between two pipes having retractable bearing members
Joining means between two pipes, each provided with a collar having a given external diameter and able to compress a gasket between these two collars, said means having two flanges with aligned...
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4631175 |
Preparation of chlorinated polyolefins
Method and apparatus for the chlorination of polyolefins in aqueous suspension. The method includes subjecting the suspension of the polyolefin to a submerged jet of chlorine gas at a velocity...
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4595219 |
Gas tightly sealed joint in oil field tubular goods
A pin member with conical thread is threaded into a box or sleeve member having matching conical threading with abutment of the end of the box or sleeve against a shoulder on the pin member; that...
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