Pipe joints or couplings – With casing – lining or protector – Lined
Reexamination Certificate
2007-12-28
2010-12-28
Bochna, David E (Department: 3679)
Pipe joints or couplings
With casing, lining or protector
Lined
C029S458000
Reexamination Certificate
active
07857355
ABSTRACT:
A liner assembly including a first ring member, a second ring member, a corrosion barrier ring, a first liner and a second liner. The first ring member has a body member with a first end and a second end. The first end has a first flange and a second flange extending therefrom. The first flange and the second flange define a space therebetween. The second ring member has an extended body member having a first end and a second end. The second end has a first flange and a second flange extending therefrom. The first flange and the second flange define a space therebetween. The corrosion barrier ring is disposed between and cooperates with the first end of the first ring member and the second end of the second ring member. The first liner is configured to be secured in the space formed between the first flange and the second flange of the first ring member. The second liner is configured to be secured in the space formed between the first flange and the second flange of the second ring member.
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Dodds John Joseph
Zapata Oscar
Bochna David E
Robroy Industries, Inc.
The Webb Law Firm
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