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Class Information
Number: 277/611
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 > Inserted between end-to-end pipe, conduit, or cable joint > Extrusion preventing (i.e., antiextrusion) or compression limiting feature
Description: End-to-end joint including means deterring the seal from being squeezed out of its seated position or otherwise dislocated, or restricting seal compaction between the parts.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7373973 |
Packer element retaining system |
May. 20, 2008 |
| 7364167 |
Injector |
Apr. 29, 2008 |
| 7252293 |
Two-part gasket for pipe-to-pipe connections |
Aug. 7, 2007 |
| 7201382 |
Sealing element |
Apr. 10, 2007 |
| 7055829 |
Antiextrusion device |
Jun. 6, 2006 |
| 6869081 |
Constant seating stress gasket system |
Mar. 22, 2005 |
| 6857638 |
Gasket for sanitary fittings |
Feb. 22, 2005 |
| 6814358 |
Sealing array |
Nov. 9, 2004 |
| 6685197 |
Silicone rubber gasket with perforated metal core and method |
Feb. 3, 2004 |
| 6663112 |
Sealing device |
Dec. 16, 2003 |
| 6631910 |
Elastic metal gasket with offset projecting parts |
Oct. 14, 2003 |
| 6623047 |
Tube coupling |
Sep. 23, 2003 |
| 6588767 |
Mat gasket for fluid conduits |
Jul. 8, 2003 |
| 6547253 |
Gasket attachment structure for refrigerant-seal |
Apr. 15, 2003 |
| 6499744 |
Pipe gasket with dual purpose tail |
Dec. 31, 2002 |
| 6457726 |
Stamped sealing arrangement for a flat flanged joint |
Oct. 1, 2002 |
| 6402159 |
Dielectric gasket |
Jun. 11, 2002 |
| 6371224 |
Threaded spacer |
Apr. 16, 2002 |
| 6361052 |
Seal for preventing leakage of fluids between irregular areas on mating surfaces |
Mar. 26, 2002 |
| 6357759 |
Jacket seal |
Mar. 19, 2002 |
| 6286839 |
Ring seal including a core surrounded by a metal jacket |
Sep. 11, 2001 |
| 6234545 |
Clamped flange fitting and assembly |
May. 22, 2001 |
| 6224065 |
Face seal with inner and outer seal retainer members |
May. 1, 2001 |
| 6206376 |
Apparatus and method of sealing a valve against increasing fluid pressure |
Mar. 27, 2001 |
| 6032958 |
Bi-directional pressure-energized metal seal |
Mar. 7, 2000 |
| 5971402 |
Ultra-pure, non-reactive, elevated-temperature seal assembly |
Oct. 26, 1999 |
| 5957508 |
Sealing device |
Sep. 28, 1999 |
| 5669613 |
Sealing gasket arrangement |
Sep. 23, 1997 |
| 5551703 |
Pack off seal |
Sep. 3, 1996 |
| 5511797 |
Tandem seal gasket assembly |
Apr. 30, 1996 |
| 5316320 |
Isolation gasket for critical service flow line applications |
May. 31, 1994 |
| 5033756 |
Wide temperature range seal for demountable joints |
Jul. 23, 1991 |
| 4776600 |
Dielectric pipe flange gasket |
Oct. 11, 1988 |
| 4716005 |
Forming a seal between planar sealing surfaces |
Dec. 29, 1987 |
| 4218080 |
Repairable composite seal ring |
Aug. 19, 1980 |
| 4095809 |
Snap-in flange seal |
Jun. 20, 1978 |
| 4034993 |
Sealing apparatus |
Jul. 12, 1977 |
| 3930656 |
Sealed joint and gasket therefor |
Jan. 6, 1976 |
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