Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Societe Detechnologie Michelin

Olivier Lauwers

Miguel Torres-Castellano

Jean-Claude Desvignes

Christian Geay

Arkadiusz Waszkiewicz

Gérard Alegre

Cédric Delbet

José Merino-Lopez

Michel Montbel

Jeremy Chagnard

Alexis Treilhes

A powder-based additive manufacturing installation () comprises a powder layering device () that can be displaced along a path linking a start zone (A) and an end zone (B). The layering device () comprises powder deposition means () for depositing powder in a powder deposition zone (D) situated between the start zone (A) and the end zone (B). The installation comprises a cleaning device () situated on the path of the layering device (). The cleaning device () comprises a blowing device () configured to blow a gas flow onto at least one surface of the powder deposition means ().

Powder-based additive manufacturing unit comprising a blower cleaning device

The lining for a mold for vulcanizing a tire, comprises at least one network of cords and of sipe blades for molding a corresponding network of grooves and of cuts in the tread. The network of cords and of blades comprises at least one node between two cords. Each cord of the network overmolds at least the edge of a blade.

Tire vulcanizing mould including an array of grooves and notches

Method of manufacturing a lining element intended to be attached to a support block of a tire mould, comprising the following steps: manufacturing, by selective melting of superposed layers of powder, of an intermediate element comprising the lining element and at least one local support element for locally supporting the lining element, the lining element and the local support element being produced as a single piece, separating the lining element from the support element.

Method of manufacturing a lining element

The invention concerns a lining element intended to be applied to a support block of a segment of a segmented mold for tires, the lining element being intended to form tread patterns on part of a tire tread, characterized in that it comprises an outer shell () delimiting an inner volume and a core () inside the shell.

Lining element comprising a shell and a core

A mold for vulcanizing an unvulcanized tire blank comprises: two axial members each carrying a molding surface for molding a sidewall of the tire, at least one of the axial members being movable between a position for molding the sidewall and a position for unmolding the tire; at least one molding member for molding a channel in a tread of the tire, the molding member being movable between a channel-molding position and a channel-unmolding position; and axial movement means for axially moving the channel-molding member between its molding and unmolding positions. The axial movement means include releasable connection means between the channel-molding member and the axial member.

Growing community of inventors

Yronde et Buron, France

Olivier Lauwers