Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1973-03-14
1976-02-24
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
53182R, 934161, 156583, B32B 3120
Patent
active
039403050
ABSTRACT:
A tool essentially comprising two opposite jaws supporting means to clamp, cut and weld together foil webs. The cutting means is supported on one of the jaws whereas the heating means, and thus the welding surfaces, are provided on the opposite jaw, said welding surfaces being divided by an element having considerably less heat conductivity than the surrounding material forming the welding head proper and having a groove formed therein in which groove the cutting means is received when the jaws are brought into contact with one another during the welding and cutting operations. The arrangement provides for quick and reliable welding and cutting of foil webs without the risk of the foil adhering to the warm welding surfaces and without the need of having to protect these welding surfaces to avoid such adherence. The arrangement likewise enables accurate temperature control at the welding points.
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Drummond Douglas J.
Gallagher J. J.
Iwema Forpacknings AB
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