Continuous band and trim sealing apparatus for poly bags

Details Continuous band and trim sealing apparatus for poly bags Continuous band and trim sealing apparatus for poly bags

1988-02-04

1989-01-17

Spruill, Robert L.

Package making

Closing packages and filled receptacles

Including provision for pleat of cover overhang

53373, B65B 706, B65B 5118

Patent

active

047980389

ABSTRACT:
A continuous band/trim sealing apparatus for poly bags incorporates an adjustable leveling platform to which support of the flaccid film laminae at open top portions of the bags is directly transferred as ongoing conveying of the bags moves these portions off the supporting surface of a side wing of the apparatus and which guides these portions downstream to the nip of a twin-belt gripping conveyor at the entrance of a band sealing and trimming machine of the apparatus in condition for consistently obtaining flawless band and trim seals.

REFERENCES:
patent: 3142608 (1964-07-01), Techtmann et al.
patent: 3914917 (1975-10-01), Young
patent: 4016026 (1977-04-01), Grevich
patent: 4723390 (1988-02-01), Duke

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