Apparatus for forming a perforated tear-line in a blank for a pa

Details Apparatus for forming a perforated tear-line in a blank for a pa Apparatus for forming a perforated tear-line in a blank for a pa

1983-07-07

1986-04-08

Husar, Francis S.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

Making plural, separate cuts by distinct cutting edges

493 63, 493184, 493472, 83510, 83695, B31B 114, B31B 314, B26D 103, B31F 108

Patent

active

045810087

ABSTRACT:
An apparatus which produces a precisely shaped and positioned perforated line in a blank for a parallelepipedic package has a blade and a roller for pressing the blank against the blade. The blade is stationary relative to the packaging blank and provides a perforated line which does not penetrate the inner layer of the packaging material. The roller is mounted on a connecting bar which is linked to a reciprocating drive. The roller moves in a guide which positions the roller relative to the blade during each stroke of the reciprocating drive.

REFERENCES:
patent: 1361564 (1920-12-01), Callery
patent: 2217060 (1940-10-01), Korsen
patent: 2748833 (1956-06-01), Monroe et al.
patent: 2957379 (1960-10-01), Sidebotham, Sr. et al.
patent: 3057241 (1962-10-01), Chambon
patent: 3365111 (1968-01-01), McNair, Jr. et al.
patent: 3549080 (1970-12-01), Gill
patent: 3570341 (1971-03-01), Abbott, Jr.
patent: 3695132 (1972-10-01), Cuir et al.
patent: 4231273 (1980-11-01), Walter

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