Rotary tin-tie cutting mechanism for a packaging machine

Details Rotary tin-tie cutting mechanism for a packaging machine Rotary tin-tie cutting mechanism for a packaging machine

1984-08-09

1986-05-06

Yost, Frank T.

Cutting

Tool engages work during dwell of intermittent workfeed

Unicyclic

53 71, 83210, 83298, 83335, 83369, B26B 5104

Patent

active

045864128

ABSTRACT:
In a packaging machine of the type in which a "tin-tie" strip is affixed to a bag to allow repeated reclosures of the bag, a machine for cutting a continuous strip of tin-tie material into predetermined lengths and feeding the cut lengths into a bonding station where they are adhesively bonded to the bag proximate its top opening. The machine comprises a frame supporting a pair of electromagnetic clutches, one for selectively coupling a continuously driven shaft to an output shaft to which a tin-tie strip feedwheel is attached and the other for selectively coupling a continuously driven shaft to an output shaft to which a rotary cutting head is secured. Passage of a bag past a sensor triggers the two clutches which function to withdraw a predetermined length of tin-tie material from a supply reel and to sever the strip while feeding the cut length to the bonding station at the same speed as the bag is moving.

REFERENCES:
patent: 2754908 (1956-07-01), Proud
patent: 3803962 (1974-04-01), Koslow
patent: 3890190 (1975-06-01), Eburn, Jr.
patent: 4082023 (1978-04-01), Hertsius et al.
patent: 4217744 (1980-08-01), Mizutani
patent: 4362076 (1982-12-01), Sasaki et al.
patent: 4398990 (1983-08-01), Kuhni et al.
patent: 4411721 (1983-10-01), Wishart

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