Creasing rule

Details Creasing rule Creasing rule

1980-01-09

1981-09-15

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

By rotary tool

76107R, 493396, 493468, 493471, B26D 308

Patent

active

042894921

ABSTRACT:
A creasing rule is provided for a cutting die for processing corrugated board. The creasing rule has an elongate, smooth, unbroken web having an outer side and an under side with the outer side having rounded, longitudinally-extending shoulders and a central, longitudinally-extending ridge extending outwardly therefrom at a central portion thereof. A pair of flanges extend outwardly from edges of the web and extend in opposite directions when mounted on a die plate of the cutting die. The under side of the web of the creasing rule has a shallow, longitudinally-extending groove therein which is preferably centrally or symmetrically located with respect to the ridge on the opposite side. The flanges of the creasing rule are affixed to the die plate, usually by staples driven through the flanges.

REFERENCES:
patent: 2765716 (1956-10-01), Andersson
patent: 3111067 (1963-11-01), Bishop
patent: 3113898 (1963-12-01), Tross
patent: 3383969 (1968-05-01), Saunders
patent: 3673929 (1972-07-01), Saunders
patent: 3884132 (1975-05-01), Snodgrass
patent: 3919924 (1975-11-01), Snodgrass

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