Societe Anonyme Des Usines Chausson

Gilbert A Gorin

A method of manufacturing and using a resinous concrete in the production of forming tools for stamping, trimming and other treatments of sheet metal parts. The process includes first mixing at least one resin and hardening agent and then adding a siliceous pulverulent grain filler so that the gravimetric ratio between the resin and hardening agent and the filler when mixed for a time depending on the working temperature at a work site will result in a mixture of filler grains and resin essentially free of macromolecules and having remaining spaces between the grains filled with the essentially macromolecular free resin thereby eliminating the formation of bending bridges. The final mixture is then poured into a casing containing working parts and moulding elements to create forming tools useable after the mixture polymerizes.

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Le Miroir, France

Gilbert A Gorin