Tire curing method

Details Tire curing method Tire curing method

1980-06-30

1981-08-11

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing toroidal work

264347, 425 28R, B29H 502

Patent

active

042833663

ABSTRACT:
A method of curing a green rubber tire (40) having a closed interior cavity (42) with two spaced ports (46,48) extending from the interior cavity to the tire exterior. The method includes the step of forming the tire on the porous, disintegratable core (44) and then positioning the tire within a pressure vessel (50). The pressure vessel and the interior cavity and porous core are then filled with a liquid (52) at an elevated temperature which is sufficient to cure the green rubber. The liquid is then circulated at the elevated temperature through the pressure vessel around the exterior of the tire and through the porous core and the interior cavity of the tire.

REFERENCES:
patent: 1161966 (1915-11-01), Price
patent: 1833009 (1931-11-01), Wakl
patent: 3606921 (1971-09-01), Grawey
patent: 3793420 (1974-02-01), Fredricks et al.
patent: 3883287 (1975-05-01), Grawey et al.
patent: 3903227 (1975-09-01), Sarumaru

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