Vulcanization method for elastomer product

Details Vulcanization method for elastomer product Vulcanization method for elastomer product

1992-02-18

1993-08-24

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing toroidal work

264 403, 264 85, 264572, 264315, 264326, 264DIG50, 425 29, 425 42, 425 44, B29C 3504

Patent

active

052386430

ABSTRACT:
A method of vulcanizing an elastomer product such as a tire including placing the product in a mould, supplying a heating medium to the interior of the product to effect vulcanization, then supplying a pressurizing medium to the interior of the product. In this method the heating medium or the heated fluid mixture is exhausted or removed from the interior of the product at least once by opening an exhaust and simultaneously supplying a cooling pressurizing medium to cool the product to a required temperature level. The heating medium may be exhausted immediately after the completion of the heating medium supply process. The heated fluid mixture may be exhausted in and/or after the pressurizing medium supply process. Preferably the rate of exhaustion is limited by a control orifice. As a result the product is cooled without giving temperature differences in different parts of the product and avoiding unfavorable pressure drop so that efficient vulcanization with good homogeneity in the product results.

REFERENCES:
patent: 3002228 (1961-10-01), Salem et al.
patent: 3329748 (1967-07-01), Hugger
patent: 4097565 (1978-06-01), Cole et al.
patent: 4222721 (1980-09-01), Gado
patent: 4370283 (1983-01-01), Arimatsu et al.
patent: 4382052 (1983-05-01), Arimatsu

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