Self-centering low profile connection with trapped gasket

Details Self-centering low profile connection with trapped gasket Self-centering low profile connection with trapped gasket

1998-11-02

2000-09-26

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Guide and support

285 39, 285 90, 285331, 285349, 285364, 285373, F16L 3500

Patent

active

061233633

ABSTRACT:
The assembly of a connection that uses cooperating grooved surfaces to provide an easily disassembled and assembled connection is improved by the use of a centered lip and cooperating groove on the contact faces of the connection halves that engage the faces of complementary connection ends to prevent lateral misalignment while the pipe ends are brought together for axial alignment. The lip extends into the groove to trap a gasket retained within the groove and inhibit extrusion of the gasket between the contact faces under high pressure conditions. The centering device may be used with a clamping mechanism to provide single person assembly of this type of connection despite normal field misalignments. The trapping cavity formed by the faces of the connection ends particularly enhances the pressure capacity of elastomeric gasket applications.

REFERENCES:
patent: 648232 (1900-04-01), Brandt
patent: 1638224 (1927-08-01), Vandergrift
patent: 3542381 (1970-11-01), Hait
patent: 4134605 (1979-01-01), Giihne
patent: 4159132 (1979-06-01), Hitz
patent: 5131632 (1992-07-01), Olson
patent: 5152556 (1992-10-01), Holland et al.
patent: 5265917 (1993-11-01), Hitz
patent: 5553902 (1996-09-01), Powers
patent: 5782500 (1998-07-01), Mate

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