Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Flexible or collapsible receiver
Reexamination Certificate
2011-08-09
2011-08-09
Huson, Gregory L (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Filling means with receiver or receiver coacting means
Flexible or collapsible receiver
C141S114000, C137S223000, C137S846000, C383S003000, C383S037000, C383S058000
Reexamination Certificate
active
07992601
ABSTRACT:
A cut hole type air lock valve is disposed in an air chamber formed by allowing two outer films to be adhered to each other by means of hot sealing. A part of rims of both inner films folded together are adhered to each other and several portions of rims thereof are formed to be air inlets in the cut hole type air lock valve. Furthermore, the air inlet is connected to an air passageway between the inner films, and at least one cut hole is disposed on the inner films beside the air passageway. When outside air flows into the air passageway via the air inlet and is filled in an air chamber via the cut holes, the air chamber is caused to fill with air and inflate, and air inside air chamber thrusts the inner films so as to block the air passageway to cause the air to be locked.
REFERENCES:
patent: 5451179 (1995-09-01), LaRoi et al.
patent: 6015047 (2000-01-01), Greenland
patent: 6015601 (2000-01-01), Garcia
patent: 2008/0060718 (2008-03-01), Liao et al.
Jian Bo Xin
Liao Chian Hua
Liao Yao Sin
Huson Gregory L
Liao Yao Sin
Niesz Jason K
Rabin & Berdo P.C.
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