Apparatus for constant pressure diagonal-web crush-scoring

Details Apparatus for constant pressure diagonal-web crush-scoring Apparatus for constant pressure diagonal-web crush-scoring

1985-12-04

1987-10-06

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

83347, 83422, 83881, 83886, 493370, 493371, 493403, 291214, B05B 114

Patent

active

046980520

ABSTRACT:
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.

REFERENCES:
patent: 1704186 (1929-03-01), Gammeter
patent: 2292723 (1942-08-01), Stocker
patent: 3147656 (1964-09-01), Kwitek
patent: 3348477 (1967-10-01), Taylor, Jr. et al.
patent: 3826165 (1974-07-01), Corrie et al.
patent: 3900645 (1975-08-01), Morgan
patent: 4220490 (1980-09-01), Carlson
patent: 4257298 (1981-03-01), Aykut

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