Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1979-07-09
1982-02-23
Burr, Edgar S.
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493442, B65H 4514
Patent
active
043167233
ABSTRACT:
The leading end of an intermittently fed flattened tubular web is clamped by a gripper, whereupon a severing mechanism cuts a section from the web. The gripper advances the leading end of the tube section before the trailing end has cleared a pair of clamping rollers and while a folding roller engages an intermediate portion of the section and moves it laterally to form a loop in the tube section before the latter is discharged transversely.
REFERENCES:
patent: 2022351 (1935-11-01), Kahn
patent: 3021135 (1962-02-01), Joa
patent: 3632103 (1972-01-01), Nikitits
patent: 4036090 (1977-07-01), Feld
Burr Edgar S.
Heinz A.
Windmoller & Holscher
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