Hot gas generators, powder charges therefor, and process of prod

Details Hot gas generators, powder charges therefor, and process of prod Hot gas generators, powder charges therefor, and process of prod

1974-06-21

1976-03-16

Bentley, Stephen C.

Ammunition and explosives

Igniting devices and systems

60 3947, 60255, 102 39, F42B 100

Patent

active

039438562

ABSTRACT:
In a hot gas generator with lamellar powder charge, the charge comprises a plurality of powder lamellae disposed side by side at regularly spaced intervals and projecting from a flexible shoe in which they are anchored by partial penetration into the shoe of anchoring teeth provided along one marginal edge portion of each lamella, so that between two teeth of the same lamella there is a communication aperture communicating the spaces on each side of the lamella. This permits instantaneous balancing of pressures between the various spaces, and minimizes the amount of the lamellae outside the normal process of combustion. The powder charge is assembled in the form of a mat with upstanding lamellae, and the mat or shoe is then shaped and formed to conform to a selected portion of the combustion chamber of a hot gas generator. In producing the charge, the lamellae are arranged and temporarily fixed to a first plate, with the anchoring teeth remote therefrom, and the first plate is then brought into facing relationship with a second plate on which a layer of polymerizable or curable plastic has been spread, such that the anchoring teeth partially penetrate and implant themselves in the plastic, after which the plastic is polymerized or cured, and the plates removed.

REFERENCES:
patent: 726901 (1903-05-01), Gathmann
patent: 2813487 (1957-11-01), Miller et al.
patent: 3017744 (1962-01-01), Jett
patent: 3407595 (1968-10-01), Peterson

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