Removable device for moulding a flexible wall in the groove of a tire pattern
AssigneesCompagnie Generale des Etablissements, Michelin Recherche et Technique S.A.
InventorsBernard Villeneuve, Christian Gomet
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Abstract
The invention relates to a tire curing mold comprising at least one lining element for molding the tread of said tire, said lining element comprising at least one bead for molding a groove in the tread. The curing mold comprises at least one insert forming a portion of the bead, said insert partially or completely delimiting a slot extending into the depth of the bead. The slot is oriented substantially perpendicularly to the bead. The slot is configured in order to mold a flexible wall of reduced thickness made as one piece with at least one wall of the groove molded by the bead.
Claims10
A tire curing mold comprising at least one lining element for molding the tread of a tire, said lining element comprising at least one bead for molding a groove in the tread, wherein:
- the curing mold comprises at least one insert forming a portion of the bead, said insert partially or completely delimiting a slot extending into the depth of the bead;
- the slot is oriented substantially perpendicularly to the bead;
- the slot is configured in order to mold a flexible wall of reduced dimension relative to a corresponding dimension of the groove in the tread made as one piece with at least one wall of the groove molded by the bead.
Dependencies are inferred from the claim text.