Banded flexible pipe coupling

Details Banded flexible pipe coupling Banded flexible pipe coupling

2007-08-31

2010-11-09

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Packed

Flanged pipe

C285S281000, C285S364000

Reexamination Certificate

active

07828339

ABSTRACT:
A coupling assembly is disclosed for joining pipe elements to one another end-to-end. First and second rings are attached to an end of each pipe element. Each ring has an outwardly facing surface with a groove which receives a sealing member. A band is positioned in overlying relation surrounding the rings when the pipe ends are arranged in end-to-end relationship. The band has an inwardly facing surface engaged with the sealing members. The band also has oppositely disposed end faces. End plates are attached to each end face. The end plates project radially inwardly in overlapping engagement with the rings to retain the pipe elements in end-to-end relation within the band.

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PCT/US07/19132, Apr. 2008, ISR/Written Opinion.
PCT/US07/19132, Mar. 2009, Int'natl. Prelim. Report on Patentability.

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