Coupler

Details Coupler Coupler

2005-05-10

2005-05-10

Bochna, David (Department: 3679)

Pipe joints or couplings

With indicator, alarm or inspection means

C285S314000, C285S316000

Reexamination Certificate

active

06890004

ABSTRACT:
A coupler includes a first joint member, a holder, a second joint member, a sleeve, and a valve. The holder is attached to an outer circumference of the first joint member. The second joint member is detachably attached to the holder. The sleeve covers an outer circumferential surface of the holder and is displaceable by a first spring member. The valve is attached into the first joint member and changes the communication in the first joint member.

REFERENCES:
patent: 4825893 (1989-05-01), Gailey
patent: 5290009 (1994-03-01), Heilmann
patent: 5445358 (1995-08-01), Anderson
patent: 5607139 (1997-03-01), Kjellberg
patent: 6129334 (2000-10-01), Kuwabara
patent: 6131961 (2000-10-01), Heilmann
patent: 6283443 (2001-09-01), Taneya
patent: 6557904 (2003-05-01), Naito
patent: 6568717 (2003-05-01), Le Clinche
patent: 6709019 (2004-03-01), Parrott et al.
patent: 2001-116178 (2001-04-01), None

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