Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1983-10-24
1984-10-02
Kittle, John E.
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
156264, 156266, 264221, 264226, 264DIG6, B29C 102
Patent
active
044747225
ABSTRACT:
A method of making hard surface prototypes or styling concept models by assembling a contoured polystyrene foam pattern and applying an epoxy clay-like material in two steps to replace the surface of the polystyrene foam pattern. The polystyrene foam pattern is first assembled from blocks cut out to design drawing specifications. The pattern is then shaped to the design contour. The surface of the pattern is then grooved and the grooves filled with the epoxy clay. The remainder of the pattern surface is then removed and replaced by more epoxy clay which is then sanded and finished with paint and suitable trim pieces.
REFERENCES:
patent: 3556886 (1971-01-01), Reusser
patent: 3629388 (1971-12-01), Wolf et al.
patent: 3685110 (1972-08-01), Randolph, Jr.
patent: 3788372 (1974-01-01), Terenzoni
patent: 4262717 (1981-04-01), Kohn
patent: 4401496 (1983-08-01), Koontz, Jr.
Kittle John E.
Thompson Willie
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