Method and apparatus for corrugating and winding up rolls of...

Details Method and apparatus for corrugating and winding up rolls of... Method and apparatus for corrugating and winding up rolls of...

B - Operations, Transporting

65

H

B65H 18/26 (2006.01) B29C 59/06 (2006.01) B31F 1/26 (2006.01) B65H 18/16 (2006.01)

Patent

CA 2631920

A method and an apparatus for corrugating and winding up rolls of a plastic film. The plastic film is corrugated as it is continuously wound onto a roll, by a film drawing drum conformed with a plurality of longitudinally extending grooves to perform open-end corrugation or folds which extend crosswise the film; the plastic film is corrugated crosswise, causing the same film to penetrate into the grooves of the drawing drum by suction of air through a plurality of suction holes which open out into the grooves of the drum.

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