Method for centrifugal spray molding of thin-walled structures

Details Method for centrifugal spray molding of thin-walled structures Method for centrifugal spray molding of thin-walled structures

1982-01-26

1987-08-18

Derrington, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563042, 264237, 264308, 264309, 425435, B29C 4108

Patent

active

046875310

ABSTRACT:
Thin-walled structures of substantially uniform wall thickness are made by rotating a heated mold surface about a horizontal axis and depositing powdered thermoplastic material onto the mold surface at a rate such that the deposited powder melts on contact with the mold surface and adheres thereto. A high degree of uniformity of the wall thickness is ensured by depositing the powder onto a relatively small portion of the overall mold surface and reciprocating the powder deposition means in the direction of the axis of rotation of the mold surface to thereby uniformly cover the entire mold surface.

REFERENCES:
patent: 2285370 (1942-06-01), Staelin
patent: 3009209 (1961-11-01), Weinbrenner et al.
patent: 3150219 (1964-09-01), Schmidt
patent: 3187381 (1965-06-01), Britten
patent: 3301925 (1967-01-01), Engel
patent: 3744951 (1973-07-01), Szatkowski

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