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:
Jan. 21, 1997
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Werner Sch afer, Birkenau, DE;
Gerhard Schaut, Hemsbach, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428283 ; 428286 ; 428287 ; 428920 ; 428921 ; 156327 ; 156329 ; 4272071 ; 4272481 ;
Abstract
A flame penetration blocker for fuselages which is a laminate of a 100 to 600 g/m.sup.2 mica paper having laminated on one or both sides of it 30 to 300 g/m.sup.2 needled fabric layers made of flame-retardant fibers. The adhesive effect of the laminate is produced by a partially cross-linked, latently adhesive, temperature resistant binding agent incorporated into the mica paper itself. The laminate is made by adhesive bonding one or both surfaces of a mica paper of the named type with a needled fabric layer under pressure and at a temperature that does not trigger the final cross-linking of the binding agent.