Device for applying powder to sheets

Details Device for applying powder to sheets Device for applying powder to sheets

1997-12-10

2000-03-21

Edwards, Laura

Coating apparatus

With printing

118629, 118630, 118308, 271195, 271211, 1014242, 1014161, B05C 1900

Patent

active

060389982

ABSTRACT:
A device for applying powder to sheets passing sequentially through a printing press in a conveying direction along a conveyor route, the sheets being combinable into a sheet pile in a manner that one respective side of upper and rear sides of a respectively following sheet is situated opposite the other respective side of the upper and rear sides of a respectively preceding sheet, includes a device for generating a powder-bearing gas curtain associated with the conveyor route and formed of a carrier gas conveying powder particles, and for applying the powder of said gas curtain to the rear side of the respective sheets prior to the combination of the sheets into the sheet pile.

REFERENCES:
patent: 3556519 (1971-01-01), Keller
patent: 4598870 (1986-07-01), Schloz
patent: 5090626 (1992-02-01), Platsch
patent: 5443005 (1995-08-01), Platsch
patent: 5447565 (1995-09-01), Song et al.
patent: 5535676 (1996-07-01), Buschulte et al.
patent: 5634401 (1997-06-01), Weaver
patent: 5746131 (1998-05-01), Henn et al.
patent: 5797326 (1998-08-01), Buschulte et al.
patent: 5868386 (1999-02-01), Stiel et al.
German Utility Model 94 21 763 U1, dated Sep. 26, 1996.

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