Sabot segment molding apparatus and method for molding a sabot s

Details Sabot segment molding apparatus and method for molding a sabot s Sabot segment molding apparatus and method for molding a sabot s

1990-06-19

1997-06-17

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

86 47, 428408, 102520, C06B 2100, F42B 1406, B32B 900

Patent

active

056400543

ABSTRACT:
A sabot segment molding apparatus and a method for molding a sabot segment therein, are provided in which wedge-shaped sections of carbon-fiber plies, impregnated with B-stage epoxy or thermoplastic resin, are stacked in a heated arcuate channel. Pressure is applied to the radial surface of the stack by a compression mechanism acting on a novel hinged wing assembly. The hinge pin is secured coaxially in the channel by a support mechanism, so that no vertical downward force is applied to the stack. Instead, a pair of hinged planar wing members rotate around the hinge pin toward each other, and compress the stack of wedge-shaped sections to the desired arcuate shape. The compressed stack is kept under a desired pressure and temperature for a desired period of time until a suitable 120.degree. sabot segment is formed.

REFERENCES:
patent: 4318344 (1982-03-01), Price et al.
patent: 4420440 (1983-12-01), Marz
patent: 4459894 (1984-07-01), Bunch
patent: 4507165 (1985-03-01), Herring
patent: 4658729 (1987-04-01), Scherbarth et al.
patent: 4747191 (1988-05-01), Montier et al.
patent: 4776281 (1988-10-01), Chiang et al.

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