Patent · US Expired

Pyrotechnical sealing cord

US4160062A · kind A · utility

3Cited by

8References

11Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Heinz Gawlick
Axel Homburg · Bensberg, DE
Werner Siegelin · Nuremberg, DE
Gunther Marondel, deceased · Erlangen, DE

Key dates

Filing date	Mar 29, 1976
Grant date	Jul 3, 1979
Priority date	—
Expiry date	Mar 29, 1996

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24999
WIPO fieldOther special machines
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.