Coiling method and device for rolled or drawn long products
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United States of America Patent
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Jul 28, 2009
Grant Date -
Sep 11, 2008
app pub date -
Jan 18, 2005
filing date -
Jan 19, 2004
priority date (Note) -
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Abstract
Coiling method and device ('R') for a long product (10). The device ('R') comprises a mandrel (12) with a substantially cylindrical shape and rotating around its own axis, and a containing element (13) coaxial with the mandrel (12), rotating together therewith and defining a front wall (32) to contain the coil of product (10) to be formed. The containing element (13) comprises an annular channel (14) to clamp the leading end of the product (10) around the mandrel (12). The containing element (13) is mobile axially with respect to the mandrel (12) between a first position wherein the leading end of the product (10) is inserted, and a second position wherein the coil of product (10) is completed.
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