Package making – With means responsive to a sensed condition – Of package and filled receptacle closing or opening
Patent
1988-11-07
1990-10-23
Coan, James F.
Package making
With means responsive to a sensed condition
Of package and filled receptacle closing or opening
53 55, 53 77, 53550, B65B 906, B65B 5716
Patent
active
049642588
ABSTRACT:
A packaging article inclusion-proofing device for use with an end-sealing mechanism includes a motor for driving a conveyor for feeding packaging articles, with a predetermined space therebetween, into a packaging material which is disposed downstream and formed into a packaging tube, a motor for driving a series of rolls which deliver the packaging material, and a motor for driving an end-sealing mechanism for achieving end-sealing of the tubular packaging material. A deviation detecting sensor is provided for detecting any deviation of the packaging articles from a position at which they would normally be disposed during the end-sealing operation. A reference timing pulse generator generates predetermined reference timing pulses with respect to the feeding of the packaging articles. The motor drive for the end-sealing mechanism is stopped when a deviation timing signal, based upon a reference timing pulse, coincides with a deviation detection signal from the deviation detecting sensor, and the motor drive is restarted after a predetermined cycle time period elapses which would encompass all of the packaging articles disposed at the deviated positions, whereby proper synchronization of the articles, packaging material, and end-sealing is again achieved.
REFERENCES:
patent: 4506488 (1985-03-01), Matt et al.
patent: 4574566 (1986-03-01), Eaves et al.
patent: 4722168 (1988-02-01), Heaney
patent: 4726168 (1988-02-01), Seko
Hatano Masato
Seko Kiyoshi
Suzuki Shigeki
Coan James F.
Fuji Machinery Company Ltd.
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