A mold element for molding and vulcanizing a tire tread having a plurality of raised elements, each raised element having a contact face intended to come into contact with a road surface and lateral faces connected thereto. The mold element comprises cutting blades able to cut a cover layer already applied to a green form of the tire. Each cutting blade comprises a body, at least one of the cutting blades comprises a protrusion projecting from this body, able to drive a cut part of the cover layer into the depth of the green tire to cover all or part of a lateral face of a raised element. The cutting blade comprises, at one end of the body, a cutting edge forming an acute angle α for cutting the cover layer.
ELEMENT DE MOULE COMPORTANT DES MOYENS DE DECOUPE POUR LE MOULAGE ET LA VULCANISATION D'UNE BANDE DE ROULEMENT D'UN PNEUMATIQUE
TIRE MOULDING ELEMENT COMPRISING CUTTING MEANS FOR MOULDING AND CURING A TIRE TREAD
FORMWERKZEUGELEMENT MIT SCHNEIDVORRICHTUNGEN ZUM FORMEN UND VULKANISIEREN VON REIFENLAUFFLÄCHEN
2018-10-17
Patent
Electronic Resource
French
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