Tire mold and tire with internal grooves in shoulder area
AssigneeThe Goodyear Tire & Rubber Company
InventorsAndré Cuny, Frank Pierre Severens, Jean Joseph Victor Collette
Life of this patent
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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.
Claims3
A tire mold comprising:
- a plurality of tread molding segments having an inner surface for molding the tire tread, and a plurality of sidewall plates having an inner surface for molding the tire sidewall, wherein the tread mold segments together with the sidewalls cooperate to form a tire molding cavity;
- wherein said sidewall plate further comprising a slot that extends from the outer surface of the tread segment to the inner mold surface, and having a piston having a head slidably received therein;
- wherein a pin is positioned between the piston head and an end of the slot, wherein said mold further comprises actuating means for actuating said piston in said slot when said mold is closed.
Dependencies are inferred from the claim text.