Pipe joints or couplings – Packed – Flanged pipe
Reexamination Certificate
2007-07-27
2009-08-25
Bochna, David E (Department: 3679)
Pipe joints or couplings
Packed
Flanged pipe
C285S411000
Reexamination Certificate
active
07578530
ABSTRACT:
A coupling device includes a first tension loop connected to a second tension loop. The first and second tension loops are moveable with respect to one another to establish open and closed positions. An interior surface is defined by the first and second tension loops in the closed position. A recess is defined by the interior surface. A first connecting flange clamping edge is defined by the first and second tension loops on a first side of the recess. A second connecting flange clamping edge is defined by the first and second tension loops on a second side of the recess. At a facing end, at least one of the first and second tension loops has an introduction surface abutting the second connection flange clamping edge, the introduction surface being beveled radially inwardly towards a central hole defined by the first and second tension loops.
REFERENCES:
patent: 3298698 (1967-01-01), Condon
patent: 3680894 (1972-08-01), Young
patent: 3964774 (1976-06-01), Wollin et al.
patent: 3977705 (1976-08-01), Thiessen et al.
patent: 4657284 (1987-04-01), Fiori
patent: 4702499 (1987-10-01), deRaymond et al.
patent: 4822077 (1989-04-01), Hendrickson
patent: 6056332 (2000-05-01), Foster
patent: 6354636 (2002-03-01), Matsuzawa et al.
patent: 6672631 (2004-01-01), Weinhold
patent: 7290805 (2007-11-01), Wu
patent: 7341287 (2008-03-01), Gibb et al.
patent: 7401819 (2008-07-01), Gibb et al.
patent: 2003/0129068 (2003-07-01), Oehman, Jr.
Eriksson Cristian
Kristiansson Göran
Sandlin Peter
Trhulj Paul
Barnes & Thornburg LLP
Bochna David E
Kest Technology AB
LandOfFree
Coupling device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Coupling device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coupling device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4132067