Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1993-06-18
1995-06-20
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493430, B65H 4516, B41F 1360, B41F 1362
Patent
active
054256976
ABSTRACT:
A folding device is provided which produces folded printed products from an incoming web of printed material. The folding device has a mechanism for automatically converting the folding device from a configuration that forms a single transverse fold to a configuration that forms a second transverse fold parallel to the first fold. The conversion mechanism has a set of movable belts wound partially around a first folding cylinder and partially around a second folding cylinder. It also has a device for moving the set of movable belts to a first position, where the set of movable belts is wound partially around the first folding cylinder downstream of a plane P passing through the axes of the first and second folding cylinders, for forming a single transverse fold and to a second position, where the set of movable belts is wound only partially around the second folding cylinder downstream of the plane P passing through the axes of the first and second folding cylinders, for forming a second transverse fold parallel to the first fold.
REFERENCES:
patent: 4059258 (1977-11-01), Grantham
patent: 5004451 (1991-04-01), Prum
patent: 5072919 (1991-12-01), Schneider et al.
Heidelberger Druckmaschinen AG
Terrell William E.
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