Apparatus for producing grooves

Details Apparatus for producing grooves Apparatus for producing grooves

1987-04-06

1989-01-03

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Bending

Form-scoring

493241, B31B 125

Patent

active

047954140

ABSTRACT:
There is provided apparatus for grooving or producing partial cuts extend parallel to the direction of transport in paper webs, blanks, cardboard boxes and like workpieces, particularly in the manufacture of envelopes with at least one rotatably mounted grooving disc and an opposing tool in the shape of a roller. Prior to the grooving operation, the workpiece is bent about an axis transverse to the direction of transport.

REFERENCES:
patent: 2048069 (1936-07-01), Heywood
patent: 2098970 (1937-11-01), Novick
patent: 2121053 (1938-06-01), Robinson
patent: 2772088 (1956-11-01), Nelson
patent: 2920539 (1960-01-01), Doetsch
patent: 4141544 (1979-02-01), Birkenmayer
patent: 4678457 (1987-07-01), Slobodkin

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