Method and apparatus for controlling a driving system of a packa

Details Method and apparatus for controlling a driving system of a packa Method and apparatus for controlling a driving system of a packa

1990-05-01

1991-08-27

Coan, james F.

Package making

Methods

Enclosing contents within progressively formed web means

53504, 53550, B65B 906, B65B 5714

Patent

active

050422294

ABSTRACT:
A driving system in a packaging appratus is controlled by detecting when an object to be packaged reaches a predetermined position of a supplying device, driving a film supplying device to withdraw a packaging film in the form of a strip for a predetermined time and/or a predetermined length after detecting the object to be packaged at the predetermined position, and driving a cutting device to cut a predetermined position of the packaging film, formed cylindrically about the object, after detecting the object to be packaged at the predetermined position. A detecting device is provided on or adjacent to the supplying device for detecting when the object to be packaged reaches the predetermined position of the supplying device. A first driving device drives the supplying device at a constant speed. A second driving device drives the film supplying device, and a third driving device drives the cutting device. A control controls the second and third driving devices in a manner such that after the detecting device detects the object to be packaged, the second and third driving devices are driven for a predetermined time and/or a predetermined amount.

REFERENCES:
patent: 3545165 (1970-12-01), Greenwell
patent: 3973372 (1976-08-01), Omori
patent: 4514965 (1985-05-01), Adachi et al.
patent: 4722168 (1988-02-01), Heaney
patent: 4870802 (1989-10-01), Cerf
patent: 4909018 (1990-03-01), Yamamoto
patent: 4924657 (1990-05-01), Berti et al.
patent: 4947623 (1990-08-01), Saito et al.

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