Pinless folder

Details Pinless folder Pinless folder

1997-09-23

1999-07-13

Sipos, John

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493359, 493428, 493429, B31B 114, B31F 108

Patent

active

059219068

ABSTRACT:
A pinless folder has a hold-down blade in a cut-off cylinder having, together with paper presses, a cut-off knife capable of cutting a web a in its entire width. A folding cylinder contiguous to the cut-off cylinder is provided, in addition to a cutter pad and a gripping jaw, with a gripper board for holding the front end of the web a held down by the hold-down blade. The web a passing between the cut-off cylinder and the folding cylinder is cut in one operation at an even speed. The even-speed, one-stage cutting results in improved quality and a reduced number of component parts.

REFERENCES:
patent: 792557 (1905-06-01), Seymour
patent: 3727909 (1973-04-01), Greiner et al.
patent: 4957280 (1990-09-01), Motooka
patent: 5230268 (1993-07-01), Richter
patent: 5494270 (1996-02-01), Laubscher

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