Controlled perforation apparatus for folding machines

Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...

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493365, 493370, 83331, 83350, 83365, 83370, 83660, B26D 506, B26D 538

Patent

active

053341260

ABSTRACT:
Apparatus for use with paper folding or other machines which applies a line of perforations on the paper sheets at selected locations and for controlled distances while the paper sheet is travelling through the machine.

REFERENCES:
patent: 3076365 (1963-02-01), Taylor et al.
patent: 3165019 (1965-01-01), Graveley
patent: 3699832 (1972-10-01), Smith et al.
patent: 3735659 (1973-05-01), Button
patent: 3855890 (1974-12-01), Lynch et al.
patent: 4641575 (1987-02-01), Cavagna
patent: 4950217 (1990-08-01), Stenqvist
patent: 5029506 (1991-07-01), Glendening

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