发明名称 Process and molding element for molding a groove in a tire tread
摘要 A process of molding of a rubber tread making it possible, after molding the grooves, to strip the mold without rupture of connecting elements molded in the grooves. A molding element for molding a groove pattern in a rubber tread, the groove defined by at least two main opposite walls joined by at least one molded rubber connecting element, the molding element being designed to project from a molding surface of the mold and presenting at least one opening for molding a connecting element during molding of the tread. The molding element is constituted by the assembly of a first part forming a support, intended to be fastened to a piece of a mold by appropriate means, and of a second part constituted by at least one piece forming a key. Each key is disengaged from the support in order to strip the molding element from the mold.
申请公布号 US6143223(A) 申请公布日期 2000.11.07
申请号 US19980216225 申请日期 1998.12.18
申请人 COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN - MICHELIN & CIE 发明人 MERINO LOPEZ, JOSE
分类号 B29C33/20;B29C33/42;B29C35/02;B29D30/06;B29K21/00;B29K105/24;B29L30/00;(IPC1-7):B29C35/00;B29C39/36 主分类号 B29C33/20
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