Powder spray gun

Details Powder spray gun Powder spray gun

1985-04-01

1986-11-18

Pieprz, William

Printing

Antismut device

101416A, B41F 3500, B41L 4100

Patent

active

046228969

ABSTRACT:
A powder spray attachment for printing presses for mounting above the delivery tray comprises a cylindrical tube having a plurality of ports along the length thereof for mounting transverse to the delivery tray with a plurality of movable clamps on the tube for selectively closing selected ports for delivery of powder at selected positions along the width of sheets of paper delivered to the delivery tray.

REFERENCES:
patent: 1414339 (1922-05-01), Cochrane
patent: 1619968 (1927-03-01), Carmichael
patent: 1737174 (1929-11-01), Price
patent: 1836536 (1931-12-01), Lance
patent: 1955055 (1934-04-01), Date
patent: 2040998 (1936-05-01), Jump
patent: 3050416 (1962-08-01), Yahnke et al.
patent: 3275196 (1966-09-01), Warczak
patent: 3333570 (1964-10-01), Paasche
patent: 3606087 (1971-09-01), Ortman
patent: 3861351 (1975-01-01), Bonwit et al.

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