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:
Apr. 24, 1990
Filed:
Sep. 30, 1988
Applicant:
Inventor:
Keith G Newman, Sunnyvale, CA (US);
Assignee:
Raychem Corporation, Menlo Park,, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
1563082 ; 29611 ; 156 87 ; 156292 ; 156300 ; 1563096 ; 219529 ; 252511 ;
Abstract
A flexible and rugged laminar heater in which a non-woven cloth layer serves to reduce air void formation during lmaination. The heater of the invention comprises a laminar conductive polymer heating element, at least two electrodes, at least one polymeric insulating layer and at least one nonwoven cloth layer. Suitable nonwoven cloths may comprise nylon or glass. In addition to eliminating air voids, they are useful in minimizing distortion of the laminate.