Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1997-11-13
2000-06-06
Vo, Peter
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493 11, 493 23, 493 24, 493409, 493411, 493413, B31F 108
Patent
active
060712236
ABSTRACT:
Two movable members, one on either side of a pre-folded continuous form entering a paper stacking area, are driven according to a determined position of the pre-folded form to push a leading edge of the form to one or another side of the stacking area so that the folds in the form will develop correctly in a stack. Only one of the members is permitted to contact the form at any time, and the members are separated by a sufficient angle so that no position of the members permits both members to contact the form. After directing the first and second sheets of the form, the members return to a home position in which neither member obstructs or interferes with subsequent stacking of the form. The position of the pre-folded form may be determined by a leading edge sensor, by a sheet feed rate sensor, by a fold position sensor, by a fold orientation sensor, by timing from a predetermined position, or by manual input. When a fold detector orientation sensor is used, the leading edge is appropriately directed to one or another side of the stacking area depending on the orientation of the folds detected in the form. The fold orientation sensor may use the properties of the stiffness of the continuous form and fold memory to detect the orientation of a fold.
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Campbell Ronald R.
Reider Robert J.
Calve James P.
Pentax Technologies Corporation
Vo Peter
LandOfFree
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