Package making – Methods – Enclosing contents within progressively formed web means
Patent
1986-05-01
1988-02-23
Culver, Horace M.
Package making
Methods
Enclosing contents within progressively formed web means
53 51, 53 64, 53550, 53389, B65B 908, B65B 5714, B65B 5710, B65B 4118
Patent
active
047261684
ABSTRACT:
A method and apparatus are presented for controlling a driving system in a packaging machine. The method comprises providing a first motor for driving an article infeed conveyor for feeding articles to be packaged into a tube of packaging material, a second motor for driving a pair of rollers for drawing a film of packaging material and a third motor for driving a pair of sealing heads at an end seal mechanism and controlling the speed of the second motor and the speed of the third motor to be dependent upon the speed of the first motor. Apparatus for performing the method is disclosed which comprises a first motor for driving an article infeed conveyor for feeding articles to be packaged into a tube of packaging material, a second motor for driving a pair of rollers for drawing a film of packaging material and a third motor for driving a pair of sealing heads at an end seal mechanism, and a control circuit for storing and processing various data such as the speed of the first motor and the cut pitch for the film. The control circuit produces a film speed control signal and a sealing head speed control signal to control the speed of the second motor and the speed of the third motor, respectively, so as to be dependent upon the speed of the first motor.
REFERENCES:
patent: 4506488 (1985-03-01), Matt et al.
patent: 4525977 (1985-07-01), Matt
patent: 4574566 (1986-03-01), Eaves et al.
Culver Horace M.
Fuji Machinery Company Ltd.
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