Apparatus for manufacturing tyres for vehicle wheels
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United States of America Patent
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Mar 28, 2017
Grant Date -
Aug 21, 2014
app pub date -
Apr 30, 2014
filing date -
Dec 28, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for manufacturing tires for vehicle wheels includes devices designed to form a green tire, a vulcanization mold having holding walls defining a molding cavity, and devices for transferring the green tire into the molding cavity. The vulcanization mold includes a plurality of vent valves, at least one of which includes a duct and a closure member having a closing head that is axially movable relative to the duct. The closing head is movable between a closed position, at which the closing head forms a contact seat, and an open position, at which the closing head and inner wall confine a passage for connection with the molding cavity.
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