Curing device for tires

Details Curing device for tires Curing device for tires

1991-07-03

1993-02-16

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

Reshaping, resizing or vulcanizing means for tire, tire...

425 40, 425 41, 425 44, 425 50, 425DIG13, B29C 3502

Patent

active

051869519

ABSTRACT:
A tire curing device wherein an upper half mold and a lower half mold define a toroidal chamber for accommodating a tire to be cured and constituting a portion of a closed circuit for a batch charge of a heat exchange fluid, the tire being cured by circulating the fluid along the circuit by means of an impeller device; the fluid being heated by a heating device as it flows along a return conduit having an annular section increasing towards the impeller device and coaxial and aligned with the annular inlet of the same; the fluid being fed to the toroidal chamber along a delivery conduit having an annular section and so shaped as to exert at least on compression-expansion action on the fluid.

REFERENCES:
patent: 4747765 (1988-05-01), Siegenthaler
patent: 5020982 (1991-06-01), Kubota et al.

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