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US 2019/0054710 A1Published application
Tire vulcanizing die, casting die for casting tire vulcanizing die, and method for manufacturing tire vulcanizing die
AssigneeToyo Tire & Rubber Co., Ltd.
InventorNobuyuki Kamada
Life of this patent
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Abstract
A tire vulcanizing die comprises a tread molding surface; a sipe blade extending along the tread molding surface; and a cast projecting region extending along the tread molding surface from an end of the sipe blade; wherein width of the cast projecting region is greater than width of the sipe blade.
Claims20
A tire vulcanizing die comprising:
- a tread molding surface;
- a sipe blade extending along the tread molding surface;
- and
- a cast projecting region extending along the tread molding surface from an end of the sipe blade;
- wherein width of the cast projecting region is greater than width of the sipe blade.
2 more elements
A casting die for casting a tire vulcanizing die comprising:
- a tread casting die surface for molding a tread molding surface of a tire vulcanizing die;
- a sipe blade provided with a region to be buried which protrudes from the tread casting die surface, and a region to be exposed which is embedded in the tread casting die surface;
- wherein a groove extending from an end of the region to be exposed is provided at the tread casting die surface;
- the end of the region to be exposed is exposed by the groove;
- and
- width of the groove is greater than width of the region to be exposed.
3 more elements
Dependencies are inferred from the claim text.