Method and apparatus for cutting web material

Details Method and apparatus for cutting web material Method and apparatus for cutting web material

B - Operations, Transporting

65

H

B65H 35/10 (2006.01) B26F 3/00 (2006.01) B65H 19/26 (2006.01)

Patent

CA 2064672

METHOD AND APPARATUS FOR CUTTING WEB MATERIAL ABSTRACT A method is disclosed for tear-severing a web (N) driven around a rotating roller (10) wherein a first tearing means (25) carried by said roller (10) cooperates cyclically with a second tearing means (23) external to said roller (10). Said web material (N) is stretched beyond its breaking point between said first and second tearing means (25, 23) when tearing means (23) penetrates said first tearing means (25) without mutual contact. The tension in the web material (N) is caused by friction between said web material and the rotating roller (10). (Fig. 1)

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