Continuous bag sealing machine

Details Continuous bag sealing machine Continuous bag sealing machine

1979-04-20

1981-04-07

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With stretching or tensioning means

53372, 53373, 156497, 156498, 156499, 156510, B32B 3120

Patent

active

042604478

ABSTRACT:
A continuous bag sealing machine for heat sealable bags is provided. The machine includes a conveyor belt upon which the bag to be sealed is moved. The upper portion of the bag is gripped by a double pair of "V" belts and is moved through the machine to a hot air nozzle which fuses and seals the top of the bag. As the bag is heated, it is simultaneously stretched to more securely fuse the bag together. A cool air nozzle hardens the seal and a cutting device cuts off the top of the bag. One pair of "V" belts transport the cut-off scrap of the bag out of the device.

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patent: 3861123 (1975-01-01), Eburn et al.
patent: 3953272 (1976-04-01), Webber

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