Apparatus for constant pressure in line-web crush- scoring

Details Apparatus for constant pressure in line-web crush- scoring Apparatus for constant pressure in line-web crush- scoring

B - Operations, Transporting

23

D

164/18

B23D 25/12 (2006.01) B26D 1/56 (2006.01) B26D 3/08 (2006.01)

Patent

CA 1278253

APPARATUS FOR CONSTANT PRESSURE IN LINE-WEB CRUSH-SCORING Abstract of the Disclosure There is provided an apparatus for applying constant pressure to a plurality of anvil rollers for crush-scoring used in combination with crush-scoring cylinders having protrusions extending from the surface thereof. Each anvil roller is supported in a substantially frictionless manner and the constant pressure is supplied by a flexible diaphragm acting on a plunger which can move substantially without friction in a pneumatic cylinder.

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