Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate
2005-03-31
2008-12-23
Maki, Steven D (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
C152S209500, C152S209170, C152SDIG020, C264SDIG044, C425S028100, C425S046000, C425S176000
Reexamination Certificate
active
07468153
ABSTRACT:
A degradable sipe blade for forming sipes in a tire tread, where the degradable material may be removed by exposure to water. A tire curing apparatus is also provided having a plurality of degradable sipe blades affixed to the mold surface within the tread pattern. In addition, a cured tire is provided having the degradable sipe blades embedded in the tread elements of the tire tread after removal of the cured tire from a curing mold. Further provided is a method for forming sipes in a tire tread using degradable blading.
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European Patent Office, Search Report corresponding to EP 05112692.8-2307 dated Mar. 6, 2006.
Fuchs Bernd
Schmitz Frank
Weydert Marc
Zimmer Rene Jean
Maki Steven D
The Goodyear Tire & Rubber Co.
Wood Herron & Evans LLP
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