Heat cutting and sealing apparatus

Details Heat cutting and sealing apparatus Heat cutting and sealing apparatus

1984-11-21

1985-10-08

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156251, 156256, 156267, 156324, 156516, 156530, B32B 3118

Patent

active

045458448

ABSTRACT:
An apparatus for forming an article out of superimposed heat-sealable panels comprises a conveyor for moving a pair of superimposed webs along a path and into a cutting and sealing station whereat the panels are cut out of the webs and simultaneously heat-sealed together. The simultaneous cutting and sealing steps are effected by a unitary die having a cutting die that is heated to a predetermined cutting temperature and a sealing die that is heated to a predetermined sealing temperature that is substantially lower than the cutting temperature. The apparatus also includes steering means for automatically shifting a belt of the conveyor to maintain it in proper alignment and a scrap removal station for removing the web after the cutting and sealing operation.

REFERENCES:
patent: 3868291 (1975-02-01), Benz et al.
patent: 4000029 (1976-12-01), Michaels
patent: 4256024 (1981-03-01), Carlisle
patent: 4285681 (1981-08-01), Walitalo
patent: 4430069 (1984-02-01), Carlisle

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