Folding blade cylinder

Details Folding blade cylinder Folding blade cylinder

1983-05-02

1985-01-29

Gilden, Leon

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

Making plural, separate cuts by distinct cutting edges

29113R, 493426, 493474, B21B 1302

Patent

active

044963386

ABSTRACT:
A folding blade cylinder for use in a rotary printing machine is disclosed. The periphery of the cylinder is provided with a plurality of spaced circumferential slots. Arched carrying bows are positioned within the slots and elements which are capable of expanding under the influence of a pressurized fluid are placed in the slots underneath the carrying bows. Application of the pressurized fluid to the expandable elements forces the carrying bows radially outwardly to increase the peripheral size of the folding blade cylinder.

REFERENCES:
patent: 3543366 (1970-12-01), Collet
patent: 3991994 (1976-11-01), Farish
patent: 4033217 (1977-07-01), Flaum
patent: 4147337 (1979-04-01), Bolza-Schunemann
patent: 4289493 (1981-09-01), Hedrich
patent: 4327467 (1982-05-01), Quaint
patent: 4455727 (1984-06-01), Tschirner

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