UNDULATED PROGRESSIVE TIRE MOLD ELEMENT
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
Oct 3, 2008
filing date -
Oct 3, 2008
priority date (Note) -
Abandoned
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Abstract
Particular embodiments of the present invention include an undulating sipe mold member (10) and a corresponding sipe formed within a tire tread. In a particular embodiment, the present invention includes an undulating sipe mold member 10) for use in a mold, the mold member comprising: an upper mold member (12) extending downwardly from a top end to a bottom end; and, a first lower projection member (14) and a second lower projection member(16), each lower member extending downward from the initial extension, the sipe mold member (10) having a sweep axis along which the sipe mold member undulates in a desired path.
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