Provided is a sipe blade for molding a cavity in a tire tread. The sipe blade may comprise an elongated bulb core having an axis of elongation and a peripheral surface and an elongated thin strap. The elongated thin strap may have a first end fixedly mounted to an associated tire tread mold surface, a second end opposite the first end, and may extending substantially normally to the associated tire tread mold surface. The first end and the second end may be connected by a first face. A bulb may be formed from the first face wrapped over the peripheral surface starting from the second end.
KEYHOLE SIPE BLADE
2021-03-25
Patent
Electronic Resource
English
TIRE WITH COOLING SIPE AND SIPE BLADE FORMING COOLING SIPE
European Patent Office | 2016
|Mold with a device for molding a keyhole sipe in a tire tread
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