Blower for printing presses for assisting in the guidance of she

Details Blower for printing presses for assisting in the guidance of she Blower for printing presses for assisting in the guidance of she

1996-09-09

1998-09-22

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

1014241, 271195, B41F 1300

Patent

active

058098852

ABSTRACT:
A blower for printing presses for assisting in the guidance of sheets, and being acted on by individual jets of compressed air, the blower comprising an outer air pressure tube having blowing apertures, the outer tube being connected to a source of air pressure, the air pressure tube having outer air pressure tube orifices therein for blowing toward the edges of the sheet, and an inner air pressure tube disposed entirely within the outer air pressure tube, the outer tube being provided with central portion orifices for blowing compressed air therethrough onto the central portion of the sheet, and optionally a plurality of valves for pneumatically acting on said inner of air pressure tube or on both said inner and said outer air pressure tubes.

REFERENCES:
patent: 4395949 (1983-08-01), Jeschke
patent: 5108034 (1992-04-01), Huey et al.
patent: 5404806 (1995-04-01), Proctor
patent: 5502788 (1996-03-01), Platsch
patent: 5579693 (1996-12-01), Carreira et al.

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