Conveyors: power-driven – Conveyor section – Having means to enhance the friction or adherence between...
Patent
1995-05-08
1996-07-02
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Having means to enhance the friction or adherence between...
271197, B65G 1746
Patent
active
055313132
ABSTRACT:
Device for conveying a continuous shingled or overlapping sheet or copy stream to a rotary printing press, with a conveying table, at least one endless, revolvingly drivable conveyor belt surrounding the conveying table, and at least one suction box disposed beneath the conveying table and being connected through suction openings with the underside of the conveyor belt, the conveyor belt being formed with through-perforated suction holes, the suction box being formed with at least two suction chambers subjectible to negative pressure or vacuum independently of one another, includes a base member forming a suction box, profiled guide sections accommodated in the base member, suction ducts formed between edges of the profiled guide sections and boundaries of the base member, the edges forming a seal, and the suction ducts extending in different planes in the base member.
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patent: 3827548 (1974-08-01), Matsuo
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Bidwell James R.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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