Transversal perforating apparatus and respective perforating met

Details Transversal perforating apparatus and respective perforating met Transversal perforating apparatus and respective perforating met

1996-04-08

1998-02-24

Bennett, Christopher A.

Printing

Rolling contact machines

Rotary

400621, 83324, 101483, B41F 1356

Patent

active

057202230

ABSTRACT:
Transversal perforating apparatus of paper for printers fed by a continuous strip of paper (1) without lateral dragging holes. The apparatus (12) comprises a perforator roller (13) holding a blade (16) substantially transversal to and engaging on a pressure roller (14) rotating in synchronism with the perforator roller (13). Means for varying the speed of the perforator roller (13) are provided for as well as means for measuring the position of the blade (16) with respect to the paper which communicate with a central processor. It is possible, therefore, to make transversal perforations coincident with the beginning and the end of each page printed by printing heads (2,3) being able to also vary the interval between two successive perforations during the course of printing.

REFERENCES:
patent: 4366753 (1983-01-01), Glanz et al.
patent: 4538515 (1985-09-01), Tymkewicz et al.
patent: 4590859 (1986-05-01), Pou et al.
patent: 4603630 (1986-08-01), Llaneza
patent: 4706566 (1987-11-01), Kishine et al.
patent: 5000812 (1991-03-01), Murphy
patent: 5119725 (1992-06-01), Okamura
Patent Abstracts of Japan, vol. 9, No. 94 (M-374) (1817), 24 Apr. 1985 & JP-A-59 218 876 (Shinko Denki KK).
Patent Abstracts of Japan, vol. 14, No. 527 (M-1050), 20 Nov. 1990 & JP-A-02 223 462 (Oki Electric Ind. Co. Ltd.), 5 Sep. 1990.
Patent Abstracts of Japan, vol. 6, No. 204 (M-164), 15 Oct. 1982 & JP-A-57 110 480 (Fujitsu KK), 9 Jul. 1982.

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