Method of producing a cup-shaped, sterilisable container, as wel

Details Method of producing a cup-shaped, sterilisable container, as wel Method of producing a cup-shaped, sterilisable container, as wel

1992-10-05

1993-04-06

Moy, Joseph Man-Fu

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

428 359, 428216, 428215, 220455, 220456, 220457, B32B 108, B65D 9004

Patent

active

051995956

ABSTRACT:
A method of producing a cup-shaped sterilizable container from a stretch-drawable composite laminate of a total wall thickness between 30 and 200 .mu.m with an aluminum foil of a thickness less than 40 .mu.m, a sealable plastic inner layer of high extensibility and a plastic outer layer of high extensibility and load-bearing capacity, the side wall of the container running at a side wall angle (a) with respect to the direction perpendicular to the container bottom, is distinguished in that the composite laminate is deep drawn free from folds at a side wall angle of 30.degree. using smooth-walled forming tools, then combined deep/stretch drawn and subsequently stretch drawn.

REFERENCES:
patent: 3890448 (1975-06-01), Ito
patent: 4278716 (1981-07-01), Buchner et al.
patent: 4909411 (1990-03-01), Uchida et al.
patent: 5098751 (1992-03-01), Tamura et al.

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