Packing instrument for a bookbinding spring
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United States of America Patent
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Sep 22, 2015
Grant Date -
Oct 6, 2011
app pub date -
Sep 2, 2008
filing date -
Jun 16, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The packing device having a supply frame on which a spring is provided. A cover member supply part, which is formed of a supply roll on which a cover member having a certain width, is wound and rotates, and a direction change roll for allowing a cover member to be supplied on an upper side of the spring, with the spring being placed on an upper side of the supply frame. A forming guide is provided and one end is extended at a tapered angle in a conical shape, while surrounding an upper surface of the cover member, as being closer to an end of the supply frame, and the other end surrounds the spring excluding the portion in which both sides of the cover member are overlapped. A pair of pressing rollers is provided for pressing and bonding the cover members and one driving roller for transferring the packed spring.
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