Film tube gusset forming machine

Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...

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Details

493439, 493450, 251 4, 25112904, 264 403, 4253261, 137224, B31B 112, B31B 136

Patent

active

045780510

ABSTRACT:
A machine for converting tubular plastic film from flat fold to pleated fold cross section which includes self-contained radio controlled inflating capsule positioned within the tube to inflate it as the gussets are being formed by conventional forming or plowing mechanism.

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patent: 4316176 (1982-02-01), Gee et al.
patent: 4462779 (1984-07-01), Brinkmeier et al.

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