Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire...
Patent
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
051869500
ABSTRACT:
A tire curing device in which a mold defines a toroidal chamber for accommodating a tire to be cured, and constituting a portion of a closed circuit along which a batch charge of a heat exchange fluid is force circulated, the fluid being heated by a heating unit provided with extractable internal axial electrical resistors, and lapped externally by the fluid from the toroidal chamber with the heating unit being mounted axially through an upper portion of a first tubular body, and axially engaging a second tubular body coaxial with the first tubular body; the tubular bodies defining there between a delivery conduit for the fluid to the toroidal chamber being defined between the second tubular body and the heating unit, the reistors of which are accessible externally through the upper portion of the first tubular body.
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Mauro Roberto
Siegenthaler Karl J.
Bridgestone/Firestone Inc.
Hoag Willard
Ruf Ernst H.
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