Adhesive coating device
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United States of America Patent
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Nov 15, 2005
Grant Date -
Sep 30, 2004
app pub date -
Jun 24, 2002
filing date -
Jun 29, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an adhesive coating device for sheet-binding provided with a roller 14, part of which is immersed in adhesive 10 stored in an adhesive reservoir 12, for applying hot-melted adhesive 10 in the above-mentioned adhesive reservoir 12 along the arranged one-side edge of a bundle of sheets 54 while rotating. The device includes an electromagnetic induction heating coil 20 disposed in the vicinity of the above-mentioned roller 14, and a current supply device 5 for supplying a high-frequency current to the above-mentioned electromagnetic induction heating coil 20. The above-mentioned roller 14 is formed of a heating member for generating heat using the Joule heat owing to an eddy current caused by a high-frequency magnetic flux generated by the above-mentioned electromagnetic induction heating coil 20, and the above-mentioned roller 14 is heated by supplying a current from the above-mentioned current supply device 51 to the above-mentioned electromagnetic induction heating coil 20 so that the adhesive 10 stored in the above-mentioned adhesive reservoir 12 is melted.
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