Compagnie Générale Des Etablissements Michelin-michelin & Cie

Compagnie Generale Des Etablissements Michelin

Compagnie Generale Des Establissements Michelin

Maurice Rey

Jacques Gouttebessis

Jean-Louis Bocquet

Jacques Espie

Daniel Labarre

Georges Davriu

A mold shell having a hole which extends from the molding surface through said shell up to the outside of said mold. The hole is closed by a plug having a completely air-tight end face which is flush with the molding surface so as to constitute a portion of the molding surface, said plug occupying all of the surface of said hole in the molding surface.

Venting of molds

A bead ring for pneumatic tires comprises an assembly of wires which is covered by a sheath made of a material whose secant modulus in extension, measured at 10% elongation and at room temperature, is equal to at least 70 MPa.

Sheathed bead ring to pneumatic tires; method of producing such a bead

A method of obtaining a reinforcing assembly comprising reinforcement threads and a solid matrix is characterized by the fact that reinforcement threads surrounded individually by a sheathing of organic material I and furthermore surrounded by another sheathing of organic material II are grouped together, by the fact that the material II is caused to migrate into voids between the threads sheathed with material I and by the fact that the material II is caused to solidify.

Method for making reinforcing assemblies comprising reinforcement

Reinforcing assemblies comprising reinforcement threads and a matrix;

Growing community of inventors

La Raye-Dieu, France

Maurice Rey