Slit-score method and apparatus

Details Slit-score method and apparatus Slit-score method and apparatus

1983-09-09

1986-06-24

Larson, Lowell A.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493 60, 493354, 493396, 83881, B31B 125

Patent

active

045965412

ABSTRACT:
A method of slitting selected plies of multiply paperboard blanks by compressing narrow portions against an anvil surface (preferably soft) and cutting one or more plies along the compressed portions. The apparatus includes a cutting rule (straight or annular) with compression rules on each side to compress the blanks simultaneously with the cutting. The method and apparatus may be used in conjunction with conventional flat-bed or rotary diecutting.

REFERENCES:
patent: 2458867 (1949-01-01), Messersmith
patent: 3552244 (1971-01-01), Smith
patent: 3882745 (1975-05-01), Garrett et al.
patent: 4183271 (1980-01-01), Martin

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