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Class Information
Number: 277/620
Name: Seal for a joint or juncture > Seal between fixed parts or static contact against relatively movable parts > Contact seal for a pipe, conduit, or cable > Having associated mounting or retaining feature > Axially related backing ring > Clamping gland
Description: Axially related backing ring including axially acting means to force the seal into a joint or juncture formed between the pipe, conduit, or cable.

Sub-classes under this class:

Class Number Class Name Patents
277/621 Particular axially acting feature 38
277/623 Particular gland shape 18

Patents under this class:

Patent Number Title Of Patent Date Issued
7708286 Storage tank orifice flexible center mount fitting May. 4, 2010
6700088 Sealing apparatus Mar. 2, 2004
6648339 Seal assembly, its use and installation Nov. 18, 2003
6471217 Sealing assembly Oct. 29, 2002
6422574 Water seal for quick repair and flow control Jul. 23, 2002
6231051 Cable sleeve consisting of a socket pipe having at least one transversely divided end member May. 15, 2001
5538261 Mechanical heat-exchange tube sealing system Jul. 23, 1996
5193616 Tubing hanger seal assembly Mar. 16, 1993
5149105 Method and apparatus for repairing vessels Sep. 22, 1992
5072073 Cable sealing method and apparatus Dec. 10, 1991
4993724 Wall feedthrough fitting Feb. 19, 1991
4965409 Cable entry connection of an electric power cable to a submersible machine Oct. 23, 1990
4913464 Tubular joint with seal Apr. 3, 1990
4903972 Device for sealing an enclosure containing an expandable fluid, especially within an electrical connection assembly Feb. 27, 1990
4836558 Bulkhead seal Jun. 6, 1989
4826217 Apparatus and method for sealing a tube joint May. 2, 1989
4810832 Sealed cable connector Mar. 7, 1989
4758028 Firewall seal Jul. 19, 1988
4741199 Testable cable entry gland May. 3, 1988
4717159 Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe Jan. 5, 1988
4655159 Compression pressure indicator Apr. 7, 1987
4622436 Plug assembly and method for encapsulating a cable within a conduit Nov. 11, 1986
4432395 Pipe part with socket provided with longitudinally extending channels Feb. 21, 1984
4428591 Plastic pipe provided with a groove Jan. 31, 1984
4344461 Pipe part with socket provided with longitudinally extending channels Aug. 17, 1982
4334993 Potted-typed seal with stress relief and method of making same Jun. 15, 1982
4323252 Gland seal system for use with a methanation reactor Apr. 6, 1982
4309568 Bushing for electrical leads Jan. 5, 1982
4270775 Device for sealing the place of penetration of a pipeline in the wall of a submerged structure Jun. 2, 1981
4208055 Method and device for sealing the place of penetration of a pipeline in the wall of a submerged structure Jun. 17, 1980
4193604 Means for carrying a cable through a wall Mar. 18, 1980
4188675 Conduit plug Feb. 19, 1980
4168394 Electric penetration assembly Sep. 18, 1979
4103942 Seal for submersible pipe swivel Aug. 1, 1978
4078834 Wall duct assembly Mar. 14, 1978
4061344 Fitting for penetration through fire rated barriers Dec. 6, 1977
3990490 Liquid-dispensing nozzle assembly and sealing device Nov. 9, 1976
3945648 Fluid tight seal and method of making same Mar. 23, 1976

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