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Class 285/381.3 - Having intermediate member


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter in which there is at least one additional
No. of patents: 23
Last issue date: 11/07/2006


NumberTitleIssue Date
7131671Transparent coupling
A transparent coupling for joining the ends of relatively soft plastic conduit. Visual inspection through the coupling affords confidence that the conduits have been installed in their proper position within the coupling. Internal circumferential barbs of the coupli...
11/07/2006
6742585Sealing off openings through the wall of a well tubular
A device for sealing off an opening through the wall of a well tubular, which device comprises a tubular spacer having an outer diameter allowing the spacer to be arranged in the well tubular, a first seal collar assembly and a second seal collar assembly arranged o...
06/01/2004
6637110Pipe joining method using shape memory alloy
For a pipe joining method using shape memory alloy capable of preventing a shape memory capacity loss due to a pipe's tolerance, a shape memory alloy joint having an inner diameter greater/less than an outer diameter of pipes to be joined is installed at ...
10/28/2003
6513814Stress induced connecting assembly
A connecting assembly is disclosed having a first component defining an opening, a second component adapted to be retained together with the first component and a connector component made of a superelastic alloy. Relative motion between at least two of th...
02/04/2003
5174616Pipe coupling using shape memory alloy
A pipe coupling comprises a cylindrical coupling member fabricated of shape memory alloy and a foil as a metallic member of low melting point attached to an internal surface of the cylindrical coupling member, a melting point of the foil being lower than ...
12/29/1992
5150931Pipe coupling using shape memory alloy with inner solder foil member
A pipe coupling comprises a cylindrical coupling member fabricated of shape memory alloy and a foil as a metallic member of low melting point attached to an internal surface of the cylindrical coupling member, a melting point of the foil being lower than ...
09/29/1992
5028081Connection for pipes of composite materials
A connection system for pipes made of composite material where each pipe end has an inner sleeve with a radial lip overlapping the pipe end, an outer sleeve attached to each pipe end and a threaded sleeve engaging threads on the outer sleeves to urge the ...
07/02/1991
4951978Heat-recoverable composition coupling device
Described herein are heat recoverable composite coupling comprising an outer, tubular heat-shrinkable sleeve and a hollow insert member adapted to receive plural substrates. The insert member has a tapered surface to allow it to accommodate substrates of ...
08/28/1990
4874193Heat-recoverable composition coupling device
Described herein are heat recoverable composite couplings comprising an outer, tubular heat-shrinkable sleeve and a hollow insert member adapted to receive plural substrates. The insert member has a tapered surface to allow it to accommodate substrates of...
10/17/1989
4872713Coupling device
A device for coupling to an object such as a pipe, particularly for joining pipes together, comprising a tubular sleeve of which at least one end portion has a wall that is weakened to facilitate radial deformation, a shape memory alloy driver having a po...
10/10/1989
4836586Composite coupling
Described herein are composite devices comprising two members. The first member is a heat recoverable driving member and the second is a metallic member associated with the first in such a way that upon heat recovery of the driver, the second member is di...
06/06/1989
4832382Coupling device
A device for coupling to an object such as a pipe, particularly for joining pipes together, comprising a tubular sleeve of which at least one end portion has positioned on it a collar of dimensionally heat-recoverable polymeric material, and a shape memor...
05/23/1989
4743079Clamping device utilizing a shape memory alloy
A clamping device for securing an object within an aperture of a ring member utilizing a shape memory alloy material. The shape memory alloy material contracts when heated and operates to bias pin members inwardly within a central opening of the ring to t...
05/10/1988
4657287Grooved connector
A grooved contracting connector is comprised of a resilient sheet member in the form of a coil having a plurality of circumferential grooves in the resilient sheet member coil. In one embodiment, an adhesive is applied to the inner surface of the resilien...
04/14/1987
4624484Shrink-fit connector for electrical well subsurface heating processes
There is described an insulating connector for the wellhead of an electrode well used for heating a subsurface formation by electrical power dissipation in the formation. The insulating connector has two iron base metal fittings (for example, steel flange...
11/25/1986
4621844Memory metal connector
A connector for joining pipe ends is provided having heat expandable or contractable memory metal rods individually connecting a wedge ring and gripping wedge collet. Each ring and collet are in abutting relationship and coact to grip a pipe end....
11/11/1986
4498938Splicing, branching or terminating cable
A cable splice, branchout or termination has a heat recovered member (30) around one or more cable portions (33) extending out of an end of the member (30). The cable portion (33) is protected from physical damage and heat by placing around it individuall...
02/12/1985
4489964Memory metal connector
A connector for joining pipe ends is provided having two memory metal lock rings which are heat-shrinkable about a pipe end and a memory metal rod/wedge ring, heat-shrinkable at a higher temperature or in a delayed mode, to secure the lock rings....
12/25/1984
4469357Composite coupling
Described herein are composite devices comprising two members. The first member is a heat recoverable driving member and the second is a metallic member associated with the first in such a way that upon heat recovery of the driver, the second member is di...
09/04/1984
4465309Connecting or repair device
A device is provided for connecting together the ends of pipes or tubing or for repairing a fault in a pipe or tubing. The device is comprised of a resilient sheet member in the form of a coil having a layer of heat sensitive bonding material applied to t...
08/14/1984
4379575Composite coupling
Described herein are composite devices comprising two members. The first member is a heat recoverable driving member and the second is a metallic member associated with the first in such a way that upon heat recovery of the driver, the second member is di...
04/12/1983
4314718Tensile ring composite pipe coupling
The invention is a composite pipe coupling having a corrosion resistant liner which seals pipes to be coupled by utilization of a heat recoverable metallic material and having a pair of complementary heat recoverable metallic tensile rings and an external...
02/09/1982
4310183Composite pipe coupling
The invention is a composite pipe coupling having a corrosion resistant liner which seals pipes to be coupled by the utilization of heat recoverable metallic material and having a complementary external support structure which allows high tensile loading ...
01/12/1982
 
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