Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Removing surface portion of composite workpiece to expose...
Reexamination Certificate
2007-04-24
2007-04-24
Maki, Steven D. (Department: 1733)
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Removing surface portion of composite workpiece to expose...
C152S209500, C152S209170, C152S209180, C152SDIG020, C156S129000, C157S013000
Reexamination Certificate
active
10698369
ABSTRACT:
A tread of thickness E, intended to be used in a tire having a carcass reinforcement surmounted by a crown reinforcement and including on its outer surface a plurality of grooves of depth h, including at least circumferential grooves separated axially by ribs, is provided with at least one internal, circumferential anti-rubber-on-rubber connection element, the outer wall of which, viewed in meridian section, has in part a contour identical to the contour of the wall of the regrooving groove to be created, the point(s) of said wall which are farthest from the axis of rotation being radially distant from the tread surface by a quantity h1less than the depth h of the grooves, and the point(s) of said wall closest to the axis of rotation being radially distant from the tread surface by the maximum regrooving height H.
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Lopez José Merino
Metzger Julien
Maki Steven D.
Michelin Recherche Et Technique S.A.
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