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1. (WO2014198654) MOULDING ELEMENT COMPRISING CUTTING MEANS FOR MOULDING AND VULCANIZING A TYRE TREAD

Pub. No.:    WO/2014/198654    International Application No.:    PCT/EP2014/061802
Publication Date: Fri Dec 19 00:59:59 CET 2014 International Filing Date: Sat Jun 07 01:59:59 CEST 2014
IPC: B29D 30/06
Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
MICHELIN RECHERCHE ET TECHNIQUE S.A.
Inventors: OHASHI, Tetsuo
Title: MOULDING ELEMENT COMPRISING CUTTING MEANS FOR MOULDING AND VULCANIZING A TYRE TREAD
Abstract:
Moulding element of a mould for moulding and vulcanizing a tyre tread, this tread comprising a tread surface intended to come into contact with the ground when the said tyre is rolling. This moulding element (1) comprises a moulding surface (3) intended to mould part of the tyre tread surface and a blade (5) intended to mould a sipe or a groove in the tread. The moulding element comprises two lamella (7) positioned on either side of the blade (5) at a certain distance from this blade, each lamella comprising a bulge (9) at one extremity far away from the moulding surface (3). Each lamella comprises cutting means (11) extending from the bulge 9.