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
2008-07-31
2009-12-08
Mackey, James (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...
C152S209240, C152S209250
Reexamination Certificate
active
07628598
ABSTRACT:
In a tire mold10, in which a tread molding section12for molding of a tread comprises a plurality of segments18divided in a tire circumferential direction and the respective segments are provided movably in a tire radial direction, ridges20for molding of transverse grooves T2on a tread surface are protrusively provided at least at circumferential ends23of the segment18in a posture (more specifically, a posture in parallel to a direction M of movement of the segment) inclined outward to a direction toward a center Om of the segment so as to be away from a circumferentially central portion22of the segment as it goes toward tip ends thereof.
REFERENCES:
patent: 5327953 (1994-07-01), Ichiki
patent: 7201570 (2007-04-01), Ohara
patent: 7329110 (2008-02-01), Miyamae
patent: 59-98834 (1984-06-01), None
patent: 2002-347033 (2002-12-01), None
patent: 2003-039436 (2003-02-01), None
Hana Kazutaka
Segawa Masahiro
Fish & Richardson P.C.
Mackey James
Toyo Tire & Rubber Co., Ltd.
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