Printing – Multicolor – Rotary machines
Patent
1986-09-25
1987-09-29
Fisher, J. Reed
Printing
Multicolor
Rotary machines
101DIG21, B41F 1302
Patent
active
046962301
ABSTRACT:
One or more wheel-air bustling devices are adjustably mounted between successive printing units of a multicolor printing press, to form adjustable bustles or ridges in the printed paper web. The bustles effectively shrink the width of the web, back to its original width, so that the previously printed color image is brought into precise registration with the next printed color image. Each bustling device comprises a body adjustably clamped to a supporting rod, a hollow tubular externally threaded stem movable through a guide opening in the body, an internally threaded adjusting knob received around the stem and rotatably retained on the body for longitudinally adjusting the stem, an air nozzle mounted on the upper end of the stem for directing an air jet against the web to form a longitudinal bustle or ridge therein, and a bustle wheel mounted on a bustle frame which is adjustable along the stem to raise and lower the wheel between operative and inoperative positions. When the wheel is raised to its operative position, the wheel is engageable with the web to form a bustle therein. The stem is movable to adjust the depth of the bustle, for both wheel bustling and air bustling. Each bustling device has its own ON-OFF air valve and its own flow regulating valve for adjusting the force of the air jet.
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Barkley Corporation
Fisher J. Reed
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