Sheet folding and transport system, particularly for printed pap

Details Sheet folding and transport system, particularly for printed pap Sheet folding and transport system, particularly for printed pap

1987-05-29

1988-10-04

Eickholt, Eugene H.

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270 58, B65H 3902

Patent

active

047751363

ABSTRACT:
To permit introduction of spreading fingers or insert sheet or sheet packages between essentially adjacent positioned sheet elements or halves (4a, 4b) of a folded sheet, the sheet is folded incompletely by extending a fold or spine or crease line or partly across the sheet while leaving a terminal portion in form of an open loop. The insert element, which may be spreading fingers (13, 23, 24), spreading disks (25, 26) or another sheet (31), is then engaged within the loop which, after insertion of the insert element, can be compressed, for example by cams (20) to form a crease also in the previous loop position. The transport of the incompletely folded sheet is carried out by transporting the sheet between, for example, transport belts, with the open loop projecting laterally from the transport belts so that they will not be squeezed or compressed.

REFERENCES:
patent: 2092977 (1937-09-01), Kaster
patent: 2873112 (1959-02-01), Crafts
patent: 2873113 (1959-02-01), McWhorter
patent: 3162434 (1964-12-01), Hepp
patent: 3392890 (1968-07-01), Cramer
patent: 3580562 (1971-04-01), Reist
patent: 4029310 (1977-06-01), Reist
patent: 4231559 (1980-11-01), Weschenfelder et al.
patent: 4275873 (1981-06-01), Rathert
patent: 4465269 (1984-08-01), Petersen
patent: 4605212 (1986-08-01), Kobler
patent: 4605213 (1986-08-01), Hechler

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