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:
Sep. 15, 1981
Filed:
Nov. 02, 1979
Applicant:
Inventors:
C Bradford Jones, Wilmington, DE (US);
Richard D Kinard, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432-8 ;
Abstract
In the lamination of thermoplastic polymer layers to substrates a thin surface layer of the substrate can be heated to improve adhesion without substantially heating the mass of the substrate by advancing the exposed surface of the thin layer in surface-conforming contact with a heated surface for 0.1 to one second at an interface pressure of 0.1 to 5 kilograms per centimeter of substrate width, the heated surface having an initial temperature of 35.degree.-350.degree. C.