Device for adjusting the phase of perforating devices as a...

Details Device for adjusting the phase of perforating devices as a... Device for adjusting the phase of perforating devices as a...

2005-09-13

2005-09-13

Shoap, Allan N. (Department: 3724)

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

C083S332000, C083S338000

Reexamination Certificate

active

06941849

ABSTRACT:
A device for perforating material webs by perforating tools accommodated on perforating cylinders and capable of producing perforations on copies in an exactly correct position with respect to cross-folds formed in the copies, the perforation position being adjustable during machine operation, the perforating tools being cooperatively related with associated perforating strips for producing transverse or cross-perforations, includes at least one perforating bar disposed coaxially with at least one of the perforating cylinders, the perforating tools and the perforating strips being accommodated on at least one of the perforating bars, the at least one of the perforating cylinders being adjustable relative to at least another of the perforating cylinders; a folder including the perforating device; and a pin-less folder including the perforating device.

REFERENCES:
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patent: 4470331 (1984-09-01), Eiting et al.
patent: 4598638 (1986-07-01), Fujii et al.
patent: 4692109 (1987-09-01), Hayashi et al.
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patent: 5048387 (1991-09-01), Nitsuma et al.
patent: 5857396 (1999-01-01), Strouse
patent: 6370998 (2002-04-01), Yokoro et al.
patent: 2181752 (1997-03-01), None
patent: 0 364 864 (1990-04-01), None
Japanese Patent Abstract No. 6-211424 (Yasutaka Ota), dated Aug. 2, 1994.

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