RECESSED REMOVABLE TREAD PORTIONS FOR RETREADED TIRES
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
Oct 31, 2011
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Particular embodiments of the invention comprise multi-wear layer tire treads for retreaded tires and methods of forming retreaded tires. In particular embodiments, a multi-wear layer tire tread includes a thickness bounded depth wise by a ground-engaging top side and a bottom side, the thickness extending laterally between opposing side edges and longitudinally in a lengthwise direction of the tread. Such tire tread may further include a removable tread portion recessed from the top side to form a subsequent wear layer, the removable tread portion extending into the tread thickness from the bottom side and terminating a distance below the top side, the removable portion having a width arranged between opposing interior surfaces of the tread recessed below the top side.
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