Sheet-material associating – Associating and folding – Sheet associating
Patent
1989-05-11
1990-12-04
Look, Edward K.
Sheet-material associating
Associating and folding
Sheet associating
270 47, 270 211, 270 50, B42C 110
Patent
active
049748220
ABSTRACT:
To provide a compact, readily adjustable system which provides two longitudinal folds on a printed web, a combination transfer and collection cylinder has product retention means (11, 35) thereon, such as grippers (11) or puncture needles (35); selectively operable lift-off fingers (14, 14') remove the printed products from the cylinder (10) and feed them, superimposed, between belts (7, 17), the belts being guided by drive and guide rollers (18, 19, 20, 21). A pair of drive and guide rollers is constructed to form a perforating blade-perforating groove roller combination (22, 23) to provide perforations in a plurality of superposed first folded products for subsequent delivery to a second folding apparatus (29, 30). To retain an adjusted position between the perforating line formed by the perforating blade-groove roller combination and the second folding apparatus, and in order to place the second fold on the perforating line, an auxiliary frame unit (35) is selectively shiftable with respect to the frame (33) of the apparatus which also retains said cylinder (10) to provide for conjoint shifting of the drive roller and transport belt system (18-23) and the second folding apparatus (29, 30).
REFERENCES:
patent: 615770 (1898-12-01), Wendt
patent: 3727908 (1973-04-01), Whitesell
patent: 4190242 (1980-02-01), Bolza-Schuneman
patent: 4190243 (1980-02-01), Michalik
patent: 4211396 (1980-07-01), Michalik
patent: 4564470 (1986-01-01), Schmitt
Look Edward K.
MAN Roland Druckmaschinen AG
Newholm Therese M.
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