Creasing machine

Details Creasing machine Creasing machine

2009-05-21

2011-12-27

Truong, Thanh (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Bending

Form-scoring

C493S424000, C493S355000, C493S366000

Reexamination Certificate

active

08083661

ABSTRACT:
A creasing machine (1) for forming creases in sheets (11) of flexible material, said creasing machine (1) including a creasing mechanism (5), a transport mechanism (3) for transporting sheets (11) of material through the creasing mechanism, and a control system (7) for controlling operation of the creasing mechanism (5) and the transport mechanism (3), said creasing mechanism (3) including first and second creasing members (25,27) and a drive mechanism (28) for driving the creasing members (25,27), wherein the creasing members (25,27) are arranged to move in the direction of movement of the sheet (11) and at least one of said creasing members (25,27) is moveable towards the other creasing member (25,27) to produce a crease in a sheet (11) located between those members (25,27), and wherein the control system (7) is arranged to substantially match the speed of movement of the creasing members (25,27) with the speed of the sheet to enable the sheet to be creased while moving.

REFERENCES:
patent: 4765604 (1988-08-01), Trogan
patent: 4854147 (1989-08-01), Buckwitz et al.
patent: 5063769 (1991-11-01), Retallick
patent: 5403259 (1995-04-01), Parker
patent: 6604444 (2003-08-01), Belanger et al.
patent: 2003/0092551 (2003-05-01), Boss
patent: 2006/0229184 (2006-10-01), Powell
patent: 2 373 759 (2002-10-01), None
British Search Report for GB0809340.3 dated Aug. 2008.

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