Tire mold and tire with internal grooves in shoulder area

Details Tire mold and tire with internal grooves in shoulder area Tire mold and tire with internal grooves in shoulder area

2009-10-14

2011-12-13

Mackey, James (Department: 1744)

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

08075294

ABSTRACT:
A tire mold is described that includes a plurality of tread molding segments having an inner surface for molding the tire tread. The mold further includes a plurality of sidewall plates having an inner surface for molding the tire sidewall. The tread mold segments together with the sidewalls cooperate to form a tire molding cavity. The sidewall plate further comprises a slot that extends from the outer surface of the tread segment to the inner mold surface, and has a piston having a head slidably received in the slot. A pin is positioned between the piston head and an end of the slot. The mold further includes actuating means for actuating the piston in the slot when the mold is closed.

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European Search Report —Apr. 7, 2010.

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