The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1993
Filed:
Apr. 17, 1991
Olivier Y Muggli, Neuhausen am Rheinfall, CH;
Andreas Ziegler, Schaffhausen, CH;
Alusuisse-Lonza Services Ltd., Zurich, CH;
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.