Packer cups

Details Packer cups Packer cups

2007-08-28

2007-08-28

Thompson, Kenneth (Department: 3672)

Wells

Packers or plugs

Cup type

C166S177300, C277S335000

Reexamination Certificate

active

10736499

ABSTRACT:
A packer cup for use in sealing the interior of a pipe under pressure is described. The cup uses a bell-shaped end which has a lip of softer material which is integral with the body of the cup which is harder material. Under pressure the lip expands against the side of the pipe and as pressure increases the body of the bell also expands against the pipe.

REFERENCES:
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patent: 4596395 (1986-06-01), Miser
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patent: 6390196 (2002-05-01), Montaron et al.
patent: 6554068 (2003-04-01), Chatterji et al.
patent: 6668938 (2003-12-01), Sheffield et al.
patent: 2003/0024386 (2003-02-01), Burke
patent: 2003/0098153 (2003-05-01), Serafin

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