Method for manufacturing an elastic mold

Details Method for manufacturing an elastic mold Method for manufacturing an elastic mold

1991-11-20

1993-05-04

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264101, 264304, 264334, 264335, 26433113, 264306, 425269, 425437, 249 55, B29C 4114

Patent

active

052079651

ABSTRACT:
An elastic mould of this invention includes a pattern and a fixing sheet which is integrally mounted at an open edge of the pattern. The elastic mould is manufactured by dipping a pattern mounted on a plate into an elastic body-producing solution to form a gel-like elastic film, withdrawing, drying and vulcanizing the object thus formed, and peeling the elastic film off the pattern to obtain a mould having a fixing member as an integral part of the mould.

REFERENCES:
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patent: 2124871 (1938-07-01), Beal
patent: 2278764 (1942-04-01), Boyle
patent: 2378701 (1945-06-01), Habib et al.
patent: 2509531 (1950-05-01), Ruhland
patent: 2605505 (1952-08-01), Ruhland
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patent: 2670502 (1954-03-01), Cox
patent: 3005237 (1961-10-01), Anderson
patent: 3306965 (1967-02-01), Lucas et al.
patent: 3730666 (1973-05-01), Bowles
patent: 4051296 (1977-09-01), Windecker
patent: 4098856 (1978-07-01), Rosenau

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