Seal for a joint or juncture – Seal for well apparatus – Axially facing packing cup
Reexamination Certificate
2011-06-14
2011-06-14
Bomar, Shane (Department: 3676)
Seal for a joint or juncture
Seal for well apparatus
Axially facing packing cup
C166S202000
Reexamination Certificate
active
07959155
ABSTRACT:
A packer cup for sealing the interior of a pipe under pressure includes a first region of relatively soft material and a second region of relatively hard material. The region of the relatively softer material would begin at the lip of the cup and extend for at least one third the length of the cup up to the entire length of the cup.
REFERENCES:
patent: 2069212 (1937-02-01), Buffington
patent: 2388520 (1945-11-01), Bowie
patent: 2852323 (1958-09-01), Bowerman
patent: 2943009 (1960-06-01), Mirsky et al.
patent: 3104883 (1963-09-01), English et al.
patent: 3179022 (1965-04-01), Bloudoff
patent: 3450412 (1969-06-01), Collett
patent: 3765647 (1973-10-01), Grove et al.
patent: 4081185 (1978-03-01), Lane
patent: 4129308 (1978-12-01), Hutchison
patent: 4149566 (1979-04-01), Stowe
patent: 4317408 (1982-03-01), Williams
patent: 4596395 (1986-06-01), Miser
patent: 4751870 (1988-06-01), Gramling
patent: 5028056 (1991-07-01), Bemis et al.
patent: 5499826 (1996-03-01), Pippert et al.
patent: 6390196 (2002-05-01), Montaron et al.
patent: 6550775 (2003-04-01), Knapp
patent: 6554068 (2003-04-01), Chatterji et al.
patent: 6668938 (2003-12-01), Sheffield et al.
patent: 7469905 (2008-12-01), Knapp
patent: 7731884 (2010-06-01), Knapp et al.
patent: 2003/0024386 (2003-02-01), Burke
patent: 2003/0098153 (2003-05-01), Serafin
patent: 2005/0133218 (2005-06-01), Plomp
Templeton Brian
Templeton Matthew
Associated Research Developments Ltd.
Bomar Shane
Michener Blake
Welsh Flaxman & Gitler LLC
LandOfFree
Packer cup does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Packer cup, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packer cup will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2696417