Method of making a cast guide for folding flexible sheets

Details Method of making a cast guide for folding flexible sheets Method of making a cast guide for folding flexible sheets

1975-01-06

1976-03-09

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264221, 264316, 264317, 264339, 264DIG44, B29C 108

Patent

active

RE0287334

ABSTRACT:
The invention relates to a method for producing a guiding device for flexible materials in which an element, representing the actual guide passage to be produced, is made with the aid of a malleable material; the element is positioned in a mould which has the general shape of the outer contour of the device to be produced; a resin is cast inside this mould and onto the element, and the malleable material constituting the inner element is then eliminated with the aid of an agent which has no action on the resin.

REFERENCES:
patent: 3021241 (1962-02-01), Schneiderman et al.
patent: 3136831 (1964-06-01), Zinn
patent: 3141052 (1964-07-01), Labash
patent: 3233310 (1966-02-01), Corl
Skeist et al.: Epoxy Resins, Reinhold, N.Y., (1964), pp. 136-143 relied on.
Weast et al.: Handbook of Chemistry and Physics, Chem. Rubber Co., Cleveland, (1969), pp. B82, B120 and B173 relied on.
Simonds et al.: A Concise Guide to Plastics, Reinhold, N.Y., (1963), p. 242 relied on.

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