Vacuum-packing machine

Details Vacuum-packing machine Vacuum-packing machine

1988-11-03

1990-05-01

Spruill, Robert L.

Package making

Gas filling and/or evacuating of receptacle and closing

53129, 53512, B65B 3104

Patent

active

049207261

ABSTRACT:
A vacuum-packing machine for sucking the excess air from a wrapping bag containing granular substances and others, creating a vacuum inside the wrapping bag. The wrapping bag is placed on a base, and holes are made on the wrapping bag through a sucking hole by a puncturing device. The air inside the wrapping bag is then sucked by an air sucking device, after which, a piston moves, and a seal adhering to the surface of a sponge on top of the piston seals the holes on the wrapping bag. The seal is supplied to the sponge by a seal supplying device. An air blowing pipe is provided to facilitate the peeling off of the seal from a tape containing the seals.

REFERENCES:
patent: 2649234 (1953-08-01), Taunton
patent: 2896385 (1959-07-01), Gebhardt
patent: 3245200 (1966-04-01), Shaw
patent: 3246444 (1966-04-01), Paisley
patent: 3452510 (1969-07-01), Fry
patent: 3745024 (1973-07-01), Ford et al.
patent: 4534154 (1985-08-01), Gaubert
patent: 4581764 (1986-04-01), Plock et al.
patent: 4754596 (1988-07-01), Yasumune et al.
patent: 4779398 (1988-10-01), Glandon et al.

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