Plastic and nonmetallic article shaping or treating: processes – Explosive or propellant article shaping or treating – Extrusion to form sheet or rod
Patent
1989-02-16
1991-11-26
Nelson, Peter A.
Plastic and nonmetallic article shaping or treating: processes
Explosive or propellant article shaping or treating
Extrusion to form sheet or rod
C06B 2100
Patent
active
050680668
ABSTRACT:
For producing propellant charge granular material several small diameter pellant charge strands are continuously extruded, individually placed on a support behind the extruder and conveyed over a setting zone. The strands are subsequently supplied on a sloping zone to a cutting plate with a number of guide holes corresponding to the number of strands. On passing out of the guide holes the strands are cut to the desired length by cutting blades rotating being the cutting plate.
REFERENCES:
patent: 3969054 (1976-07-01), Roane
patent: 4585600 (1986-04-01), Rollyson et al.
patent: 4660475 (1987-04-01), Rogowski et al.
patent: 4931229 (1990-06-01), Krimmel et al.
Bauer Helmut
Muller Dietmar
Fraunhofer-Gesellschaft zur Forderung der ange-wandten Forschung
Nelson Peter A.
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