Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1988-05-11
1989-12-12
Culver, Horace M.
Package making
Progressively seamed cover web or web folds
With closing of web between package units
53552, B65B 908, B65B 5130, B65B 5114
Patent
active
048859001
ABSTRACT:
A driving method and system for controlling the operating characteristics of a tubular-bag machine, in which a tubular bag is closed off at the bottom end so as to be fillable with packing material through a fill pipe. An intermittently moved thin foil tube is for this purpose guided vertically between transversely arranged, heated sealing jaws, the opening and closing of which being camcontrolled. The foil movement is adjusted to the opening and closing movement. The drive for effecting the foil movement and the drive for effecting the sealing, separating and welding device are driven by separate motors controlled independently from one another, and are adjusted to one another such that each angular-speed stage can be adjusted independently from the preceding or following stage to the demands of the work cycle at any time during the work cycle. The magnitude of the angular speed can be adjusted as well.
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patent: 4727707 (1988-03-01), Hadden
patent: 4750313 (1988-06-01), Kammler et al.
patent: 4751808 (1988-06-01), Hadden
patent: 4757668 (1988-07-01), Klinkel et al.
Ade Reiner
Baur Walter
Becker Helmut
Lohr Herbert
Stein Bernd
Culver Horace M.
Rovema Verpackungsmaschinen GmbH
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