Apparatus for winding a stretchable foil around a stack of artic

Details Apparatus for winding a stretchable foil around a stack of artic Apparatus for winding a stretchable foil around a stack of artic

1991-06-06

1992-11-17

Sipos, John

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

533892, 533894, 53556, 53588, B65B 5700, B65B 1312

Patent

active

051632640

ABSTRACT:
An apparatus for wrapping a stack of articles with a stretch foil in which the satellite has a deflecting roller over which the foil passes and which is braked by a hydraulic motor in proportion to the speed of the deflecting roller. An arm can swing out and carries a mirror to monitor breakage of the foil, the mirror intercepting a light beam from a stationary force on the machine frame. For both the brake and the foil-break monitor, no slip rings are required.

REFERENCES:
patent: 3032943 (1962-05-01), Reimers et al.
patent: 3145945 (1964-08-01), Bowen
patent: 3759432 (1973-09-01), Hutzenlaub
patent: 4514955 (1985-05-01), Mouser et al.
patent: 4706443 (1987-11-01), Humphrey
patent: 4712354 (1987-12-01), Lancaster et al.
patent: 4756143 (1988-07-01), Lancaster
patent: 4905448 (1990-03-01), Plitt

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