PROCESS AND PLANT FOR PRODUCING TYRES FOR VEHICLE WHEELS
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
May 20, 2011
filing date -
Jun 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tread band of raw elastomeric material is circumferentially applied around a bearing structure incorporating reinforcing cords, for forming a green tyre subsequently submitted to a curing treatment. The tread band is formed by: making an underlayer of raw elastomeric material; making blocks of raw elastomeric material; and applying the blocks mutually spaced apart according to a predetermined tread pattern, onto the underlayer. During introduction of the tyre into a curing mould, the blocks are put in alignment with respective forming recesses before closing the mould, so that each block is engaged in the respective forming recess, following closure of the mould.
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