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:
Aug. 13, 1996
Filed:
Apr. 11, 1994
Applicant:
Inventors:
Assignee:
Plastofilm Industries, Inc., Wheaton, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264522 ; 264322 ; 264550 ; 425384 ; 4253871 ;
Abstract
A process for producing a thermoformed article having a first portion with a first wall thickness, and a second portion with a second wall thickness, the first portion having a thicker wall thickness than the second portion, the process including selectively cooling the first portion during a thermoforming cycle so that thermoformable material from the first portion is prevented from migrating to the second portion.