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:
Jul. 03, 1979
Filed:
Mar. 29, 1976
Applicant:
Inventors:
Heinz Gawlick, Vagen, DE;
Axel Homburg, Troisdorf, DE;
Werner Siegelin, Nuremberg, DE;
Gunther Marondel, deceased, LATE OF Erlangen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428365 ; 149 15 ; 401-1 ; 403 28 ; 428 58 ; 428313 ; 428913 ; 428 68 ; 521 92 ;
Abstract
A pyrotechnical sealing material comprises a heat-foamable synthetic resin capable of being foamed with the aid of a burnable pyrotechnical composition. The sealing material is in the form of a cord having a core made of the pyrotechnical composition and a casing separated from the core by a flexible sheath. The casing is formed from the heat-foamable synthetic resin.