Method and apparatus for knurling a workpiece, method of...

B - Operations – Transporting – 24 – D

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B24D 11/00 (2006.01)

Patent

CA 2298694

A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal axis while maintaining the knurl wheel point of contact on the longitudinal axis. The apparatus also includes a knurling wheel that includes teeth of at least two different configurations. Also disclosed is a method of molding a molded article with the knurled workpiece to impart the inverse of the knurl pattern onto the molded article, such a molded article, a method of forming a structured abrasive article with the molded article, and such an abrasive article.

L'invention concerne un procédé et un appareil de moletage d'une pièce. Le modèle de moletage présente des rainures d'au moins deux configurations différentes. L'appareil comprend un support de molette qui assure une rotation angulaire de la molette autour de l'axe longitudinal du support, tandis que le point de contact de la molette est maintenu sur l'axe longitudinal. L'appareil comprend aussi une molette qui comporte des dents d'au moins deux configurations différentes. L'invention concerne aussi un procédé de moulage d'un article moulé à l'aide de la pièce moletée consistant à imprimer le modèle de moletage inverse sur l'article moulé. L'invention concerne aussi l'article moulé ainsi obtenu, un procédé de formation d'un article abrasif structuré à l'aide de l'article moulé et l'article abrasif ainsi obtenu.

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