Moulds

Details Moulds Moulds

1972-08-11

1976-02-17

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to apply stress to preform and uniting in stressed...

425 47, 425182, 425472, B29D 302

Patent

active

039389219

ABSTRACT:
A multi-piece mould, and a method of constructing it, for moulding wire reinforced rubber articles; the mould comprises material having a greater coefficient of expansion than said wire, and having a gasket of thermoplastic material which soften at the temperature of moulding, provided between at least two adjacent mould pieces, whereby during moulding the gasket is caused to flow by the expanding mould pieces and thereby compensate for the expansion of the mould material, of which the following is a specification.

REFERENCES:
patent: 2380380 (1945-07-01), Bacon, Jr.
patent: 2415412 (1947-02-01), Buchwald et al.
patent: 2687260 (1954-08-01), Morin
patent: 2709845 (1955-06-01), Serkin
patent: 3121947 (1964-02-01), Knox
patent: 3583047 (1971-06-01), Uchilyama
patent: 3669401 (1972-06-01), Nevareg
patent: 3672626 (1972-06-01), Thornton
patent: 3740178 (1973-06-01), Neil

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