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US 11,260,613 B2Granted
Tire vulcanizing mold
AssigneeSumitomo Rubber Industries, Ltd.
InventorNozomi Hayashi
Life of this patent
Estimating the term…
Abstract
A tire vulcanizing mold comprises a sidewall ring for molding a sidewall portion of a tire. The sidewall ring is composed of a main body provided with a circumferentially extending groove, and mold pieces mounted in the groove so as to be adjacent to each other in the circumferential direction. Between the mold pieces and/or between the main body and the mold pieces, there are formed micro-gaps for discharging gas existing in the tire vulcanizing mold so as to communicate with exhaust flow paths extending from the groove toward the outside of the mold.
Claims20
A tire vulcanizing mold comprising:
- a sidewall ring for molding a sidewall portion of a tire,
- the sidewall ring comprising
- a main body extending continuously in the circumferential direction thereof, and
- a plurality of mold pieces mounted on the main body,
- the main body is provided with
- a first molding surface for molding a part of the outer surface of the sidewall portion,
- a circumferentially extending groove recessed from the first molding surface and extending in the circumferential direction, and
- exhaust flow paths extending from the circumferentially extending groove to an outside of the main body,
- each of the mold pieces has a second molding surface for molding a part of the outer surface of the sidewall portion,
- the mold pieces are mounted in the circumferentially extending groove so as to be adjacently to each other in the circumferential direction, and
- micro-gaps for discharging gas existing in the tire vulcanizing mold are formed between the mold pieces, and/or between the main body and the mold pieces so as to communicate with the exhaust flow paths.
8 more elements
Dependencies are inferred from the claim text.