Plastic and nonmetallic article shaping or treating: processes – Explosive or propellant article shaping or treating – Extrusion to form sheet or rod
Patent
1992-08-17
1995-07-18
Miller, Edward A.
Plastic and nonmetallic article shaping or treating: processes
Explosive or propellant article shaping or treating
Extrusion to form sheet or rod
1491096, 149114, 241 17, 241 21, 241 4617, 264 31, 264 34, C06B 2100
Patent
active
054338999
ABSTRACT:
Graphite fibers (62) are mixed with other materials (22) to form gas generating material (10) for use in an air bag inflator. The graphite fibers are first chopped to a desired short length by forming a mixture of fluid and relatively long graphite fibers in a container (50) having therein a rotatable blade (58), and rotating the blade continuously for a period of time to chop the graphite fibers to a shorter and more uniform length. The viscosity of the mixture in the container is increased as the blade rotates in the container, preferably through evaporation or boiling which counteracts the viscosity decreasing effect of fiber shortening.
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Miller Edward A.
TRW Vehicle Safety Systems Inc.
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