Creasing device

Details Creasing device Creasing device

2006-04-13

2009-08-25

Tawfik, Sameh H. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

C493S060000, C493S064000

Reexamination Certificate

active

07578778

ABSTRACT:
It is desired to provide a creasing device of which the distances between rollers of a plurality of creasing units are individually adjustable.A plurality of creasing units40each comprising a female creasing roll41and a male creasing roll42provided thereunder are provided so as to be positionable in a direction perpendicular to the feed direction of a corrugated sheet S0. As many roller arms43as the creasing units40are provided so as to be pivotable about a common first drive shaft31. Each roller arm43rotatably supports one of the male creasing rolls42. By pivoting each roller arm43with a pivoting means45, the male creasing roll42is moved relative to the corresponding female creasing roll41, thereby adjusting the distance between the rolls.

REFERENCES:
patent: 3332326 (1967-07-01), Haas
patent: 4142455 (1979-03-01), Coburn
patent: 4413541 (1983-11-01), Biggar, III
patent: 4922778 (1990-05-01), Nagai
patent: 5131900 (1992-07-01), Schroeder
patent: 6478725 (2002-11-01), Bengt et al.
patent: 6508751 (2003-01-01), Weishew et al.
patent: 1-109017 (1989-04-01), None
patent: 4-226336 (1992-08-01), None
patent: 2001-30376 (2001-02-01), None

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