A knife shaft assembly

B - Operations – Transporting – 26 – F

Patent

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Details

B26F 1/38 (2006.01) A61F 13/15 (2006.01) B26D 7/18 (2006.01)

Patent

CA 2244264

A knife shaft assembly (13) is disclosed for use in a rotary die cutter (10). The knife shaft assembly includes a rotatable die shaft (14) having an outer circumference (16) and having a defined width (W). At least two die cutting inserts (18) are mounted on the outer circumference (16) of the die shaft (14). Each of the inserts has a first surface (40) and a knife (44) formed about the periphery of the first surface (40). The knife shaft assembly also includes a compressible material (62) positioned between the die cutting inserts (18) which prevent the buildup of material waste there between.

On décrit un ensemble axe/couteaux (13), utile dans un dispositif de découpage à l'emporte-pièce (10) et comprenant un axe rotatif de découpage présentant une circonférence extérieure (16) ainsi qu'une largeur (W) déterminée. On a monté au moins deux outils amovibles (18) de découpage sur la circonférence extérieure (16) de l'axe (14) de découpage. Chacun de ces outils présente une première surface (40) ainsi qu'un couteau (44) formé autour de la périphérie de la première surface (40). Cet ensemble axe/couteaux comprend également un matériau compressible (62) placé entre les outils amovibles (18) de découpage et empêchant l'accumulation de déchets de matériaux entre ceux-ci.

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