Air core coil winding tool and air core coil manufacturing method

摘要

Thereby making it possible to easily remove the coils from the core coil winding tool in manufacturing the core coils. An air core coil winding tool is an air core coil winding tool in which a winding core (3) is divided into two parts and the individual winding core pieces (4, 5) are brought into contact with each other to form a winding core. And a warp yarn 19 for converting the force by which the coil wire 18 tightens the winding core into a force for pulling out each of the winding core pieces.