Process of molding multi-durometer soles

Details Process of molding multi-durometer soles Process of molding multi-durometer soles

1993-08-06

1994-11-08

Vargot, Mathieu

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

12146B, 12146BR, 36 30R, 36 32R, 264148, 264158, 2641771, 264250, 264266, 264321, 264325, B29B 1110, B29C 3502, B29C 4318

Patent

active

053624351

ABSTRACT:
A process of molding multi-durometer footwear soles which includes forming elongated components from compression moldable compounds, each component having a different hardness (Shore A). The components are configured and dimensioned such that the softer component will be positioned on top of and within the configuration of the bottom, harder component. The assembled components are placed in a compression mold and covulcanized together.

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patent: 4364189 (1982-12-01), Bates
patent: 4730402 (1988-03-01), Norton et al.
patent: 4798010 (1989-01-01), Sugiyama
patent: 4876053 (1989-10-01), Norton et al.
patent: 4894933 (1990-01-01), Tonkel et al.
patent: 5077915 (1992-01-01), Gross

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