Piping joint device

Details Piping joint device Piping joint device

2006-04-03

2009-11-03

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Essential catch

Leaf spring

C285S001000, C285S083000, C285S322000, C285S921000

Reexamination Certificate

active

07611171

ABSTRACT:
A piping joint device for connecting a first piping member having a male joint and a second piping member having a female joint includes: a piping joint member provided with a plurality of diametrically deformable engagement portions; and a plurality of window portions provided in an extension cylinder portion of the second piping member to be engaged with the engagement portions. The male joint of the first piping member is inserted into the female joint of the second piping member in one touch by using deformation of the engagement portions, and a detent portion is provided at an engagement position where the engagement portions engage with the first piping member to prevent a rotation.

REFERENCES:
patent: 5641237 (1997-06-01), Albert et al.
patent: 5725257 (1998-03-01), Sakane et al.
patent: 6213677 (2001-04-01), Yamane et al.
patent: 7178837 (2007-02-01), Yoshino
patent: 7354078 (2008-04-01), Yoshino
patent: 2005/0110274 (2005-05-01), Yoshino
patent: 2005/0161946 (2005-07-01), Bauer
patent: 2005/0258644 (2005-11-01), Yoshino
patent: 1320235 (1993-07-01), None
patent: 2004-183703 (2004-07-01), None
Office Action dated Jan. 25, 2008 in Chinese Patent Application No. 2006 10071912.3 with English translation thereof.

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