Method of loading metal printing plates on a vacuum drum

Details Method of loading metal printing plates on a vacuum drum Method of loading metal printing plates on a vacuum drum

1996-06-17

1997-12-23

Burr, Edgar S.

Printing

Print plate feeding or delivering

1013891, B41L 4714

Patent

active

056997400

ABSTRACT:
Metal printing plates can be loaded onto a drum and held in place by vacuum alone if flat plates are given a permanent curl by a set of four rollers. Same rollers cancel out the curl when plate is unloaded from drum. The invention is useful for Computer-to-Plate and Computer-to-Press systems.

REFERENCES:
patent: 2503597 (1950-04-01), Rodder
patent: 3304757 (1967-02-01), Achler et al.
patent: 3371513 (1968-03-01), Achler et al.
patent: 3937052 (1976-02-01), Hoexter et al.
patent: 5402721 (1995-04-01), Schultz
patent: 5488906 (1996-02-01), Iron et al.
patent: 5557960 (1996-09-01), Hoffmann et al.

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