Tube coupler

Pipe joints or couplings – Swivel – Pipe in socket type

Reexamination Certificate

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Details

C285S281000, C285S321000

Reexamination Certificate

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06869108

ABSTRACT:
A tube for a socket body having a structure of grooves and ribs using a reduced number of seal rings which can be easily manufactured. The tube coupler connects an easily-processed cocking ring to the socket.

REFERENCES:
patent: 3129777 (1964-04-01), Haspert
patent: 3363919 (1968-01-01), Brazell, II
patent: 3900221 (1975-08-01), Fouts
patent: 4240654 (1980-12-01), Gladieux
patent: 4804206 (1989-02-01), Wood et al.
patent: 5443580 (1995-08-01), Cotter
patent: 5845944 (1998-12-01), Enger et al.
patent: 6003907 (1999-12-01), Gau et al.
patent: 6027144 (2000-02-01), Hagen et al.
patent: 6095570 (2000-08-01), Hagen et al.
patent: 6186557 (2001-02-01), Funk

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