Method of restoring the shape of a flexible-shell model

Details Method of restoring the shape of a flexible-shell model Method of restoring the shape of a flexible-shell model

1973-12-03

1976-03-23

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Repairing or restoring consumer used articles for reuse

35 17, 264 466, 264269, 428 71, 428 76, 428141, 428160, 428315, 428425, B29D 2704, B32B 3500

Patent

active

039460959

ABSTRACT:
A method of restoring the shape of an anatomical model comprising placing mold inserts in the undercut portions of the model, charging the model with a foaming thermosetting plastic, and enclosing the model and mold inserts in a fixture. As the foaming thermosetting plastic expands, the model is pressed against the inserts and the fixture causing the model to assume the shape of the fixture and inserts.

REFERENCES:
patent: 2763070 (1956-09-01), McCormick
patent: 2971272 (1961-02-01), Barlow
patent: 3009267 (1961-11-01), Bezark
patent: 3152199 (1964-10-01), Roberts
patent: 3258511 (1966-06-01), McGregor
patent: 3288896 (1966-11-01), Hendricks
Billmeyer, Fred W. Textbook of Polymer Science, New York, Interscience, c.1962, pp. 463-484.
Whittington, Lloyd R. Whittington's Dictionary of Plastics, Stamford, Conn., Technomic, c.1968, pp. 59-60.

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