KNIFE CYLINDER FOR PROCESSING WEBLIKE MATERIAL

摘要

PCT No. PCT/DE90/00760 Sec. 371 Date May 29, 1991 Sec. 102(e) Date May 29, 1991 PCT Filed Oct. 8, 1990 PCT Pub. No. WO91/05641 PCT Pub. Date May 2, 1991.A knife cylinder for processing weblike material has at least one slot in its cylindrical surface for receiving a web cutting/perforating knife retained in place by a plurality of pressure medium cylinders distributed over the length of the knife. A rigid wall within the slot limits the extent of the pressure cylinders, and push rods extending through the wall may be provided for transferring pressure from the pressure cylinders to the knife.