Film feed device for packaging machine

Details Film feed device for packaging machine Film feed device for packaging machine

1989-05-30

1991-03-05

Coan, James F.

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

533894, 53506, 53554, B65B 902, B65B 5702

Patent

active

049968190

ABSTRACT:
A film feed device for a form, fill and seal packaging machine includes front and rear rolls of film which are individually unwound and fed to the packaging machine via a drive assembly which contacts the rolls and rotates the same independent of other film feed mechanisms on the packaging machine. The drive assemblies contain motors which can be further controlled with sensing devices capable of sensing both when the film has been exhausted from the film roll and when the rate of output of the film from the film rolls by the drive assemblies is greater than the rate of further processing of the film in subsequent steps on the form, fill and seal packaging machine.

REFERENCES:
patent: 3431697 (1969-03-01), Phillipson et al.
patent: 3995791 (1976-12-01), Schoppee
patent: 4073121 (1978-02-01), Greenawalt et al.
patent: 4077308 (1978-03-01), Scully
patent: 4144693 (1979-03-01), Ogata
patent: 4693053 (1987-09-01), Ballestrazzi et al.

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