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:
May. 11, 1982
Filed:
Oct. 24, 1980
Applicant:
Inventors:
Van P Brower, Wilbraham, MA (US);
Harold H Hopfe, Longmeadow, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264555 ; 264230 ; 2643 / ;
Abstract
Tne tensions in an extruded sheet of a thermoplastic can be relaxed by passing the preheated extruded sheet over a conveyor where it is supported on a cushion of heated air so as to maintain it at an elevated temperature while the tensions in the sheet are relaxed.