Machine for punching blanks out of a web of corrugated...

Details Machine for punching blanks out of a web of corrugated... Machine for punching blanks out of a web of corrugated...

2006-02-07

2006-02-07

Huynh, Louis K. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

C493S060000, C493S062000, C493S064000, C493S402000, C493S475000, C493S478000

Reexamination Certificate

active

06994662

ABSTRACT:
A machine for punching blanks (10) of corrugated cardboard out of a web or plates of corrugated cardboard and for forming folding lines (5) in said blanks. The machine has two cylinders (2, 3) rotating towards each other and of which at least one cylinder is provided on the outer surface with a curved wooden plate (6). The punching tools and the folding line tools (8, 9) are mounted on said wooden plate by being pressed into slits in said wooden plate (6). The cylinders (2, 3) are made of metal, preferably steel. The wooden plate (6) is secured to the cylinder (2, 3) by being screwed (15) thereon. The wooden plate is centered on the cylinder by means of two adjustable rings (4) on the cylinder. Each ring (4) is provided with an axially directed guide projection (4a, 4b) adapted to interact with an end notch (6a, 6b) in the wooden plate. In this way, it is rendered possible in a very simple way to centre the wooden plate and consequently the punching tool in relation to the vertical centre plane of the cylinder.

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patent: 5935367 (1999-08-01), Hollenbeck
patent: 6032565 (2000-03-01), Okonski et al.

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