Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Toroidal or annular female shaping means and coacting means...
Reexamination Certificate
2008-05-27
2008-05-27
Mackey, James P. (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Toroidal or annular female shaping means and coacting means...
Reexamination Certificate
active
07377761
ABSTRACT:
High segmenting precision can be secured at a low production cost, and the dimensions of a gap between segmented pieces can be easily controlled. A tire vulcanizing mold (1) comprising an inner peripheral shape corresponding to the surface of a tire tread portion, and configured by assembling a plurality of circumferentially segmented pieces (1A), wherein at least one of the plurality of segmented pieces (1A) has a generally round-bar-shaped pin protector (100) on an assembling face (D) between an adjoining segmented piece (1A) in a projecting manner therefrom, and the adjoining segmented piece (1A) has a depressed groove (102) of generally arcuate in cross section for fitting the pin protector (100), on an assembling face (D) between the segmented pieces (1A) to be assembled with.
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patent: 2004-338182 (2004-12-01), None
Tanaka Hideaki
Taneoka Mitsuyoshi
Bridgestone Corporation
Mackey James P.
Sughrue & Mion, PLLC
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