Seamless can and a method of producing the same

Details Seamless can and a method of producing the same Seamless can and a method of producing the same

1995-02-02

1997-12-23

Dye, Rena

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428458, 428220, 220415, 220419, 220458, 220906, 220DIG22, 72 46, B32B 1508, B65D 9004

Patent

active

057005290

ABSTRACT:
A seamless can obtained by forming a laminated material of a metal and a polyester film into a cup such that a final draw ratio defined by H/D (H:height, D:diameter of the bottom portion) is not smaller than 1.5, wherein a polyester (A) on the bottom portion of the container has a biaxial orientation degree (R.sub.X) of from 2.5 to 20 defined by the following formula (1),

REFERENCES:
patent: 5137762 (1992-08-01), Aizawa et al.
patent: 5139889 (1992-08-01), Imazu et al.
patent: 5144824 (1992-09-01), Kobayashi et al.
patent: 5228588 (1993-07-01), Aizawa et al.
patent: 5300335 (1994-04-01), Miyazawa et al.
patent: 5360649 (1994-11-01), Sato et al.

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