Slitter for high bulk traveling paper web material

Details Slitter for high bulk traveling paper web material Slitter for high bulk traveling paper web material

B - Operations, Transporting

65

H

164/117

B65H 35/02 (2006.01) B26D 1/00 (2006.01) B26D 1/24 (2006.01) B26D 7/26 (2006.01)

Patent

CA 1121720

ABSTRACT OF THE DISCLOSURE Cooperating slitter blades in a slitter for high bulk traveling paper web material attain high cut point pressure and minimum slit plowing and dusting as a result of critical cooperation of the slitting edges of the blades wherein one of blade edges rotates in a plane parallel to the longitudinal axis of travel of the web, and the slitting edge of the other of the blades cooperates to a penetration or overlap extent of less than .030 inch at a rake angle of 0 to 10 minutes and a toe-in of 5 to 30 minutes. Where the other blade edge is of high angle type an included angle between opposite faces of the edge of 15 to 30 degrees is provided and where a low angle edge is preferred, the included angle between opposite faces of the blade is between 75 and 85 degrees. -i-

349721

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