Exhaust valve for a bag

Details Exhaust valve for a bag Exhaust valve for a bag

2007-06-19

2007-06-19

Keasel, Eric (Department: 3753)

Valves and valve actuation

With means for blocking or disabling actuator

Released by non-valving actuator motion

C251S082000, C383S103000

Reexamination Certificate

active

10848056

ABSTRACT:
An exhaust valve for a bag comprising a valve body having an exhaust opening communicating with a part between the inner and outer surfaces of the bag, a lid body detachably fitted to the valve body having a suction opening, a valve plate arranged above the upper end of the exhaust opening to move up and open the exhaust opening at the time of exhaust of the bag and to move down and close the opening the exhaust opening after the aeration of the bag, and a lock mechanism for keeping the exhaust opening closed and for allowing the valve plate to move up and down.

REFERENCES:
patent: 5332095 (1994-07-01), Wu
patent: 5931189 (1999-08-01), Sweeney et al.
patent: 6595486 (2003-07-01), Chen
patent: 6644510 (2003-11-01), Kawolics et al.
patent: 6712334 (2004-03-01), Motonaka et al.
patent: 2003/0047700 (2003-03-01), Motonaka et al.

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