Sheet-material associating – Associating or disassociating – Signature associating
Patent
1981-04-08
1982-06-15
Heinz, A. Burr
Sheet-material associating
Associating or disassociating
Signature associating
156299, 156552, 271243, B42B 200
Patent
active
043346723
ABSTRACT:
Sheet units to be tipped onto a carrier web of indefinite length are brought into the relationship to one another that they are to have on the web while riding on an upper stretch of an endless carrier. Abutment elements on the endless carrier, at regular intervals along it, define rearwardly facing surfaces that project above said upper stretch and move forward at a predetermined velocity. An endless driver having an upper stretch paralleling that of said carrier and driven faster, frictionally urges sheet units into engagement of their front edges against said surfaces. An air permeable belt, driven at said velocity, has a bottom stretch that is under a suction shoe and the rear portion of which is upwardly adjacent to the front portion of said endless carrier, so that sheet units are sucked off of the carrier and onto said belt to be carried forward by it without change in their edgewise speed. The web extends up toward said belt from beneath it, then forwardly along the belt flatwise contiguous to the undersides of sheet units carried by the belt, for union with them.
REFERENCES:
patent: 3200719 (1965-08-01), Welch
patent: 3540970 (1970-11-01), Huntwork
patent: 3630513 (1971-12-01), Davidson
patent: 3649001 (1972-03-01), Schieven
patent: 3879028 (1975-04-01), Frank
patent: 4019728 (1977-04-01), Liclican
patent: 4043551 (1977-08-01), Morrison
patent: 4043665 (1977-08-01), Caldwell
patent: 4080678 (1978-03-01), Muller
Heinz A. Burr
Jos. Hunkeler AG Fabrik fur graphische Maschinen
Nilles James E.
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