Foil-welding arrangement
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United States of America Patent
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-
Sep 21, 1993
Grant Date -
N/A
app pub date -
May 20, 1992
filing date -
May 21, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arrangement for welding foil webs includes two coacting cog wheels, between which the foil webs are advanced, and a heat source. The heat source is comprised of a heating wire which is placed in the close proximity of the coacting parts of the cog wheels and the ends of which are connected to a current source which functions to heat the wire to a temperature above the softening temperature of the foil webs. The cog wheels will therewith function as a web-advancing mechanism and also as part of a web-welding mechanism.
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