Method for controlling tire vulcanization

Details Method for controlling tire vulcanization Method for controlling tire vulcanization

1983-09-30

1985-05-14

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling heat transfer with molding material

264315, 264326, 425 29, 425143, B29H 502

Patent

active

045171467

ABSTRACT:
In a method for controlling a tire vulcanization of a vulcanizing apparatus, an initial green tire temperature is measured before vulcanization and a tire temperature during vulcanization is estimated on the basis of the thus measured initial tire temperature. In addition, a sum of products of vulcanizing rates derived from the thus estimated tire temperature is calculated so as to stop the tire vulcanization when the sum of products of vulcanizing rates becomes equal to a predetermined value. Therefore, the vulcanizing rate controlling can be performed in an easy and accurate manner without measuring the tire temperature during vulcanization, and thus a trace of a thermometer insertion is not remained on the vulcanized tire surface.

REFERENCES:
patent: 2385143 (1945-09-01), Levine
patent: 3649729 (1972-03-01), Davis et al.
patent: 3732488 (1973-06-01), Porter et al.
patent: 3792145 (1974-02-01), Hugger et al.
patent: 3819915 (1974-06-01), Smith
patent: 4069286 (1978-01-01), Greenhalgh
patent: 4344142 (1982-08-01), Diehr et al.
patent: 4371483 (1983-02-01), Mattson

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