Tire press and mold leakage control

Details Tire press and mold leakage control Tire press and mold leakage control

1975-11-28

1978-06-27

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling fluid pressure in direct contact with molding...

264 406, 264 85, 264 94, 264315, B29H 524

Patent

active

040975657

ABSTRACT:
Method and apparatus for curing a tire having an internal cavity using as heat and fluid pressure media first steam and then cooler inert gas. The time rate of pressure loss in the cavity is determined in each tire curing cycle by closing the cavity so as to form a completely closed chamber for a test time less than the normal cure time for the tire. Pressure loss during the test time is monitored and if determined to be at a greater than tolerable rate a warning device is actuated and means for loading a next tire into the mold is rendered inactive.

REFERENCES:
patent: 1959336 (1934-05-01), Bast et al.
patent: 2015855 (1935-10-01), Kerr
patent: 2272892 (1942-02-01), Taylor et al.
patent: 3029469 (1962-04-01), Moore et al.
patent: 3329748 (1967-07-01), Hugger
"Pressure Recorder and Controller for Tire Presses," India Rubber World, 3-1928, p. 63.

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