Curing membrane for a tire
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsFrédéric Pialot, Gérard Bor, Alain Faugeras, Frédéric Ramz
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Abstract
The curing bladder for a tire has a shape of revolution around a central axis and comprises a flexible wall made of crosslinked rubber. The surface of the wall is covered with a coating film made of a non-stick composition. When the bladder is non-inflated, the coating film has a variable thickness over the surface.
Claims10
A curing bladder for a tire having a shape of revolution around a central axis and comprising a flexible wall made of crosslinked rubber, the surface of the wall being covered with a coating film made of a non-stick composition, wherein when the bladder is non-inflated, the coating film has a variable thickness over the said surface.
A process for the manufacture of a curing bladder for a tire having a shape of revolution around a central axis and comprising a flexible wall made of crosslinked rubber, in which the surface of the flexible wall is covered with a film made of a non-stick composition, wherein a deposition of variable thickness of the said composition on the said wall is carried out when the bladder is non-inflated.
Dependencies are inferred from the claim text.