Rotary intaglio printing machine

Details Rotary intaglio printing machine Rotary intaglio printing machine

1994-11-09

1996-10-15

Fisher, J. Reed

Printing

Intaglio

Multicolor

1014241, B41F 902, B41F 2304

Patent

active

055643361

ABSTRACT:
A rotary intaglio printing machine has at least two printing mechanisms and a drying device arranged between the printing mechanisms, through which a web of paper to be printed upon successively passes. The printing mechanisms are so arranged that the web of paper is guided only by the plate cylinders and the impression cylinders of the printing mechanisms in a straight line from the preceding printing mechanism through the drying device in a contact-free mode to the following printing mechanism. The drying apparatus includes a housing through which the web of paper passes, as well as a fan arrangement and nozzle pipes which extend transversely to the direction of movement of the web of paper substantially over the entire width thereof and by which air, that is sucked out of the housing by the fan arrangement, is blown onto the web of paper. In order considerably to reduce the energy expenditure required for operation of such a drying apparatus, relative to the drying effect achieved, the nozzle pipes are arranged only on the freshly printed side of the web of paper and disposed on the side of the web of paper, that is opposite to the nozzle pipes, is a guide surface at which the web of paper is supported in a contact-free manner by way of an air cushion which is built up in an air gap formed between the web of paper and the guide surfaces.

REFERENCES:
patent: 1640977 (1927-08-01), Brueshaber
patent: 1796643 (1931-03-01), Ball
patent: 1834147 (1931-12-01), Dausmann
patent: 2036158 (1936-03-01), McGiehan
patent: 2306607 (1942-12-01), Horton
patent: 2333220 (1943-11-01), Weiss
patent: 3280737 (1966-10-01), Huck
patent: 3851582 (1974-12-01), Saueressig et al.
patent: 4586434 (1986-05-01), Tokuno et al.
patent: 5060572 (1991-10-01), Waizmann

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