Bedroll interfolding machinery improvement

Details Bedroll interfolding machinery improvement Bedroll interfolding machinery improvement

1989-05-26

1990-04-17

Meislin, D. S.

Manufacturing container or tube from paper; or other manufacturi

Tool or tool support

With ejector or stripper

493359, 493368, 493471, 493475, 493365, B31D 104

Patent

active

049176650

ABSTRACT:
An improvement for use in machinery for interfolding porous cut sheets is disclosed having two adjacent and counter-rotating folding rolls each having projecting tuckers and recessed grippers arranged alternately on the folding rolls such that a tucker on one roll mates with a gripper on the other. Porous cut sheets are selectively adhered to the folding rolls by vacuum ported to the tuckers and grippers.

REFERENCES:
patent: 940933 (1909-11-01), Klein
patent: 1566079 (1925-12-01), Christman, Jr. et al.
patent: 1974149 (1934-09-01), Christman
patent: 2872186 (1959-02-01), Raybuck
patent: 3314340 (1967-04-01), Bishop
patent: 3466029 (1969-09-01), Jensen et al.
patent: 3689061 (1972-09-01), Nystrand
patent: 3709077 (1973-01-01), Trogan et al.
patent: 3991994 (1976-11-01), Farish
patent: 4494741 (1985-01-01), Fischer et al.
patent: 4723390 (1988-02-01), Duke

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