Printing unit cylinder of a rotary printing press and bent print

Details Printing unit cylinder of a rotary printing press and bent print Printing unit cylinder of a rotary printing press and bent print

1999-03-29

2000-08-15

Hilten, John S.

Printing

Flexible-sheet-securing devices

101378, B41F 128

Patent

active

061019410

ABSTRACT:
In a rotary printing press, a printing unit cylinder having a printing form with bent ends fastened thereon so as to form a printing form cylinder with a printing form mounted thereon, the bent ends of the printing form being provided with fastening tabs extendable into the interior of lock-up gap sections formed in the printing form cylinder, and webs respectively alternatingly disposed opposite one another being formed on a leading edge and on a trailing edge of the printing form, between the fastening tabs of the printing form, includes a plurality of pockets formed on a circumferential surface of the printing form cylinder, wherein the fastening tabs of the printing form engage, the webs provided between the fastening tabs and formed on the printing-form leading edge and the printing-form trailing edge terminating on generating lines of the printing form cylinder which differ from one another.

REFERENCES:
patent: 695414 (1902-03-01), North
patent: 2109152 (1938-02-01), Meisel
patent: 2157621 (1939-05-01), Neilson
patent: 5090319 (1992-02-01), Weber et al.
patent: 5178068 (1993-01-01), Junghans et al.
patent: 5323702 (1994-06-01), Vrotacoe et al.
patent: 5398608 (1995-03-01), Kobayashi
patent: 5429048 (1995-07-01), Gaffney et al.
patent: 5440981 (1995-08-01), Vrotacoe et al.
patent: 5551340 (1996-09-01), Bolza-Schunemann et al.
Japanese Patent Abstract No. 06255085 (Takao), dated Sep. 13, 1994.

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