Receptacles – Closures – With condition responsive vent or valve
Patent
1996-01-04
1998-04-28
Cronin, Stephen
Receptacles
Closures
With condition responsive vent or valve
22020323, 22020329, 220284, 220323, B65D 5116
Patent
active
057434247
ABSTRACT:
A sealable container for accommodating semiconductor wafers, which includes a hollow main body having an opening for receiving or removing the semiconductor wafers, a lid member for plugging the opening, a lock for locking and releasing the lid member in the opening of said main body, and a pressure-equalizing mechanism for allowing an interior portion of the main body to be communicable with an exterior portion thereof in cooperation with the lock.
REFERENCES:
patent: 3945454 (1976-03-01), Kinoshita
patent: 4579244 (1986-04-01), Fukata
patent: 5000339 (1991-03-01), Wheat et al.
patent: 5520300 (1996-05-01), Griffin
Morita Teruya
Murata Masanao
Tanaka Tsuyoshi
Cronin Stephen
Shinko Electric Co. Ltd.
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