Process and apparatus for manufacturing sheet packaging material

Details Process and apparatus for manufacturing sheet packaging material Process and apparatus for manufacturing sheet packaging material

1978-11-14

1981-03-10

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

83100, 83875, 493340, 493228, B31B 114

Patent

active

042546931

ABSTRACT:
In the formation of containers wherein an endless sheet material is continuously fed, finished, cut into blanks of predetermined length, and the blanks are formed into containers, the improvement wherein the finishing includes the steps of shaving off a longitudinal strip from one face of the sheet material so as to reduce the thickness of the sheet material along said strip, and removing by suction the strip shaved away. An apparatus therefor comprises a roller for supporting said sheet material, and a rotary hollow knife aligned with one longitudinal edge of the sheet material adjacent the supporting roller, the axis of rotation of the hollow knife being substantially parallel to the longitudinal edge.

REFERENCES:
patent: 362180 (1887-05-01), Remus
patent: 3465625 (1969-09-01), Daly
patent: 3604317 (1971-09-01), Baun
patent: 3795164 (1974-03-01), Schneider

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