Patent ID: 6165117
Filing Date: 2000-12-26
Classification: B26D,Y10T

Abstract:
A device for longitudinally slitting a web advancing in a longitudinal feeding direction along a web advancing path comprising:at least one circular slitting tool having a cutting edge and rotating about an axis of rotation located on one side of said advancing path, wherein said web is a longitudinally continuous web which said cutting edge slits into a plurality of strips in the longitudinal feeding direction;a web supporting edge positioned along said advancing path on an opposite side of said advancing path from said axis of rotation and extending essentially perpendicularly to said feeding direction, and positioned to be beneath said web when said web is advancing along said web advancing path;said at least one slitting tool having at least one working position downstream of said web supporting edge during said slitting wherein said cutting edge of said at least one slitting tool projects beneath said advancing path and thereby beneath said web into an empty space downstream of said supporting edge with respect to said feeding direction, said cutting edge not contacting said supporting edge and said supporting edge constructed and arranged to support said web during said slitting.