METHOD FOR PRODUCING COILS
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Jan 21, 2011
filing date -
Nov 2, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method of producing a hollow coil comprising: a process of winding an enameled wire around a flexible cylindrical piece to form a coil; a process of bending the cylindrical piece along with the enameled wire; a process of curing or gluing the enameled wire wound around the cylindrical piece to maintain the shape of the coil; and a process of removing the cylindrical piece from the coil to form a hollow coil.
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