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. 15, 1989
Filed:
Mar. 25, 1987
Applicant:
Inventors:
Malcolm R Mackley, Cambridge, GB;
Christopher Anton, Gwynedd, GB;
Assignee:
National Research Development Corporation, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29D / ;
U.S. Cl.
CPC ...
156242 ; 156246 ; 1563082 ; 264204 ; 264280 ;
Abstract
A postforming process for an oriented film or tape of polymer material, which process comprises subjecting at least one layer of such an oriented film or tape to a pressure greater than ambient pressure while heating the oriented film or tape at a temperature at which partial melting thereof occurs but which does not exceed 145.degree. C.