Liquid container and liquid container manufacturing method

Details Liquid container and liquid container manufacturing method Liquid container and liquid container manufacturing method

2005-09-20

2005-09-20

Mar, Michael (Department: 3754)

Dispensing

Collapsible wall-type container

With casing or support

C222S107000, C222S206000, C222S215000, C222S386500, C222S321100

Reexamination Certificate

active

06945428

ABSTRACT:
A container includes an inner layer portion for liquid, an outer layer having an inner shape substantially equivalent to an outer shape of the inner layer, with the outer layer having an air vent communicating from between the two layers and the ambient, and a dispensing portion. When liquid is dispensed, the inner layer peels off the outer layer. The inner layer and the outer layer are bonded, in a first region, to each other with a force such that the inner layer is peelable from the outer layer by change of pressure, and the inner layer and the outer layer are bonded, in a second region, to each other with a force which is larger than that in the first region, by which the inner layer peels off the outer layer in the second region after the inner layer peels off the outer layer in the first region.

REFERENCES:
patent: 5242085 (1993-09-01), Richter et al.
patent: 6266943 (2001-07-01), Nomoto et al.
patent: 6305794 (2001-10-01), Sasaki et al.
patent: 2001/0040173 (2001-11-01), Yamamoto et al.
patent: 2002/0040908 (2002-04-01), Hattori et al.
patent: 4-339759 (1992-11-01), None
patent: 10-151762 (1998-06-01), None
patent: WO 94/27888 (1994-12-01), None

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