A method of producing a polymer body by coalescence and the...

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B29C 43/02 (2006.01) A61L 27/42 (2006.01) A61L 27/44 (2006.01) B29C 43/00 (2006.01) B29C 43/14 (2006.01) B30B 11/06 (2006.01) B29C 43/16 (2006.01)

Patent

CA 2417095

A method of producing a polymer body by coalescence, wherein the method comprises the steps of a) filling a pre-compacting mould with polymer material in the form of powder, pellets, grains and the like, b) pre-compacting the material at least once and c) compressing the material in a compression mould by at least one stroke, where a striking unit emits enough kinetic energy to form the body when striking the material inserted in the compression mould, causing coalescence of the material. A method of producing a polymer body by coalescence, wherein the method comprises compressing material in the form of a solid polymer body in a compression mould by at least one stroke, where a striking unit emits enough energy to cause coalescence of the material in the body. Products obtained by the inventive methods.

L'invention concerne un procédé de production d'un corps polymère par coalescence. Ce procédé consiste : a) à remplir un moule de pré-compactage d'un matériau polymère sous forme de poudre, de pastilles, de granules et équivalent, b) à pré-compacter le matériau au moins une fois et c) à comprimer le matériau dans un moule de compression avec au moins un coup, une unité de martelage générant suffisamment d'énergie cinétique pour former le corps lors du martelage du matériau inséré dans le moule de compression, provoquant la coalescence du matériau. L'invention concerne également un procédé de production d'un corps polymère par coalescence. Ce procédé consiste à comprimer le matériau de compression sous la forme d'un corps polymère plein dans un moule de compression avec au moins un coup, une unité de martelage générant suffisamment d'énergie pour provoquer la coalescence du matériau dans le corps. L'invention concerne enfin les produits obtenus par les procédés de l'invention.

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