Package making – With cover-adjunct application or formation – Adjunct comprising provision to secure cover
Patent
1997-09-22
1998-11-17
Moon, Daniel
Package making
With cover-adjunct application or formation
Adjunct comprising provision to secure cover
53 76, 100 31, 140 936, B65B 5108
Patent
active
058361375
ABSTRACT:
The improvement to the tying apparatus consists of an intermittent rotatable pneumatic drive to operate the apparatus in place of the electric drive system. The pneumatic drive includes a rotary actuator (20) with a gear arrangement and one-way clutch (26) that provides the 360 degree rotation required to operate the apparatus. A control valve (36) with a single pilot control energizes the actuator clockwise for functional operation and counterclockwise to reset, ready for a subsequent operation. A roller actuated limit valve (42) is in communication with the apparatus program plate and, when mechanically triggered, energizes the pilot portion of the control valve, driving the program plate a full 360 degrees, completing a functional operation of encircling, gathering, twisting and cutting tie material around an article, such as a bag, sack, or other like-open mouth articles. A pneumatic valve (48) with a pushbutton (50) bypasses the manual trigger system of the apparatus in the event of malfunction or jam, allowing the device to reset itself into the ready to operate position.
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Contreras Luis C.
Kincel Roger S.
Anderson Gordon K.
Calve James P.
Moon Daniel
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