Title:
SHEET FOLDING APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO2004028936
Kind Code:
A3
Abstract:
In some embodiments of the present invention, a method and apparatus for holding sheets are disclosed in which single transverse folds are created by vacuum rolls in one operational mode and double transverse folds are created by vacuum rolls in another operational mode. The folder can have a low profile in which the axes of various elements and assemblies in the folder are located within height ranges relative to the height of a folding roll axis in the folder.
Inventors:
OCHSENBAUER EDWARD R (US)
Application Number:
PCT/US2003/029917
Publication Date:
May 21, 2004
Filing Date:
September 25, 2003
Export Citation:
Assignee:
BRETTING C G MFG CO INC (US)
OCHSENBAUER EDWARD R (US)
OCHSENBAUER EDWARD R (US)
International Classes:
B31F1/00; B65H45/16; B65H45/28; (IPC1-7): B31B1/26
Foreign References:
| US3689061A | 1972-09-05 | |||
| US3338575A | 1967-08-29 | |||
| US6024685A | 2000-02-15 | |||
| US6446961B1 | 2002-09-10 |
Other References:
See also references of EP 1572564A4
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