To provide a coil bobbin capable of freely changing a shape and allowing coils to be inexpensively manufactured, and to provide a coil manufacturing method and coils manufactured by using the coil bobbin.
A coil bobbin 10 is composed of an annular member 20 winding up a lead wire 40 from the outer peripheral side, the annular member 20 is configured by an inner peripheral wall 21 formed on the inner peripheral side and two opposed side walls 22, 23 projected from the inner peripheral wall 21 to the outer peripheral side, a groove part 24 opened to the outer peripheral side is formed by the inner peripheral wall 21 and the two side walls 22, 23, the lead wire 20 is configured so as to be wound and stored in the groove part 24, and at least a part of the annular member 20 configures a deformation part 26 formed so as to be deformed in a state that the lead wire 40 is wound and stored in the groove part 24.
| JPS58106921 | [Title of the device] Mold coil |
| JPH0672225 | [Name of invention] Bobbin for coil |
ASANUMA YUJI
KATO KOMEI
| JP2003180046A | 2003-06-27 | |||
| JPS58148637A | 1983-09-03 | |||
| JP2008218534A | 2008-09-18 | |||
| JP2008294120A | 2008-12-04 |
Akio Ishii
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