Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1990-09-07
1991-07-09
Schmidt, Frederick R.
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493 18, 493 23, 493411, 493380, B65H 45107
Patent
active
050301926
ABSTRACT:
A method and apparatus for fan folding a continuous web of paper having transverse fan fold lines in fan folds having a preselected fan fold length when the continuous paper is moved along a feed line from an upstream area to a folding area. A controller energizes a drive motor to oscillate a discharge chute through a predetermined arc and at a predetermined rate to permit the continuous web of paper to be fan folded as the paper is moved through the discharge chute at the folding area. The method includes the steps comprising advancing the continuous web of paper through the discharge chute, generating a first signal representing the speed at which the paper is advanced towards the discharge chute, generating a second signal representing a predetermined distance between the transverse fan fold lines; and oscillating the discharge chute in response to the first signal and the second signal to move the discharge chute through an arc and at a speed which enables the web of continuous paper to be folded in a zig-zag manner along the transverse fan fold lines.
REFERENCES:
patent: 4030720 (1977-06-01), Jones
patent: 4054283 (1977-10-01), Rayfield
patent: 4723488 (1988-02-01), Inouye et al.
patent: 4737045 (1988-04-01), Koefferlein
patent: 4751879 (1988-06-01), Van Pelt
patent: 4846454 (1989-06-01), Parkander
Hawk Jr. Wilbert
Jenkins Matthew R.
Marlott John A.
NCR Corporation
Schmidt Frederick R.
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