Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Means shaping drum shaped preform to tire casing shape
Patent
1984-02-13
1985-10-08
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Means shaping drum shaped preform to tire casing shape
425 36, 425 49, 425 58, B29H 502
Patent
active
045457506
ABSTRACT:
This disclosure relates to apparatus for vulcanizing a tire, and includes a pair of generally annular split dies which are axially movable relative to each other, and a pair of generally circular supports surrounded by the dies. The supports include bead seats which are engagable with the axially outer sides of the tire beads so as to form a closed space between the supports and within the tire. The space is supplied with a pressure medium which is heated during vulcanization. The supports are axially movable relative to each other and to the dies. Each of the supports has mounted thereon a plurality of pivotal members which are movable into engagement with the axially inner sides of the tire beads. The pivotal members press the beads tightly against the bead seats in order to form a seal between the beads and the bead seats.
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