Cutting and transport roller with integrated cutter with...

Details Cutting and transport roller with integrated cutter with... Cutting and transport roller with integrated cutter with...

B - Operations, Transporting

26

D

B26D 1/36 (2006.01) B26D 1/18 (2006.01) B26D 1/30 (2006.01) B26D 1/42 (2006.01) B26D 11/00 (2006.01)

Patent

CA 2357579

A cutting and transport roller for cutting a material web, such as a thermoplastic film, on the peripheral surface of the cutting and transport roller. The material web is severed with a cutter which is located in essence inside the shell of the cutting and transport roller in its resting position. The cutter includes at least one knife which during the cutting process of the material web reaches through an slotted axial opening in the shell of the cutting and transport roller. The knife cutting motion includes a rotary component. The knife or knives rotate about the axes which are either parallel or perpendicular to a plane, which is defined by the radial and axial coordinates of the cutting and transport roller. This construction of cutting and transport roller has the advantages that the centrifugal forces urging the knife, or knives, outwardly are minimized, as also are the radially outward forces generated during cutting which tend to separate the material web from the surface of the roller.

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