Piping joint structure

Details Piping joint structure Piping joint structure

2007-02-20

2007-02-20

Bochna, David (Department: 3679)

Pipe joints or couplings

Essential catch

C285S319000, C285S374000

Reexamination Certificate

active

11130343

ABSTRACT:
A piping joint structure includes a first piping member, a second piping member having at least a window portion, and a joint member provided with a body unit and multiple engagement units, which protrude to the central axis side of the body unit and are capable of being diameter-enlarged and diameter-shortened. The body unit of the joint member has a semi-crack shape. The joint member hoops the second piping member from a periphery side of the second piping member, while the engagement units are inserted through the window portion. The first piping member is connected to the second piping member by a one-touch operation of diameter-enlarging and diameter-shortening of the engagement units.

REFERENCES:
patent: 5653475 (1997-08-01), Scheyhing et al.
patent: 5735555 (1998-04-01), Answine et al.
patent: 5765877 (1998-06-01), Sakane et al.
patent: 5782502 (1998-07-01), Lewis
patent: 6539920 (2003-04-01), Spiers
patent: 7029036 (2006-04-01), Andre
patent: 2005/0110274 (2005-05-01), Yoshino
patent: 62-181788 (1987-11-01), None
patent: 2004-183703 (2004-07-01), None

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