Heat sealing apparatus

Details Heat sealing apparatus Heat sealing apparatus

1993-10-20

1994-10-04

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

1565838, 53512, 219243, B65B 3100, B30B 1534

Patent

active

053523237

ABSTRACT:
A heat sealing apparatus includes a top recess on the base, and an arched hole on one side of the rear of top recess; the cover includes a notch on the rear side thereof corresponding to the arched hole of the top recess on the base; a clip is received within the top recess on the base, including a fastened guide tube that comprises a front and a rear end respectively extended out of the clip, the rear end of guide tube being inserted into the arched hole on the base and connected to a vacuum ejector; in operation, the plastic bag first be sealed with a small opening unsealed, then the clip with suction pipe is moved out of the heat sealing apparatus, inserts the guide tube into the small opening of the plastic bag and clamps the bag for suction operation; after suction, the clip with the plastic bag is moved back to the sealing unit and the small opening of the plastic bag is completely sealed.

REFERENCES:
patent: 3847712 (1974-11-01), Hubbard
patent: 4093500 (1978-06-01), Browne
patent: 4104108 (1978-08-01), Kishida et al.
patent: 4561925 (1985-12-01), Skerjanec et al.
patent: 4860523 (1989-08-01), Teteishi et al.
patent: 4941310 (1990-07-01), Kristen
patent: 5048269 (1991-09-01), Deni

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