Abstract: A coil winding apparatus includes: a core rod feeding unit configured to feed a string-shaped core rod from a core rod nozzle; a core rod drawing unit configured to draw out the core rod; a wire rod feeding unit configured to feed a wire rod towards the core rod; a rotator capable of rotating about the core rod nozzle; the guide member provided on the rotator, the guide member being configured to clamp, with the core rod, the wire rod that has been fed from the wire rod feeding unit; and a rotating unit configured to rotate the rotator to rotate the guide member together with the rotator so as to revolve the wire rod around the core rod in a vicinity of the core rod nozzle.

Abstract: A coil winding apparatus includes: a cylindrical core rod nozzle configured to allow insertion of a narrowed core rod; a wire rod feeding unit configured to feeding a wire rod to the core rod nozzle; a wire rod holding tool configured to hold the wire rod fed from the wire rod feeding unit; a core rod winding unit configured to wind the wire rod drawn from the wire rod feeding unit by rotating the wire rod holding tool around the core rod nozzle; a core rod drawing unit configured to draw the core rod from the core rod nozzle; and a coil drawing unit configured to draw a wound wire formed by winding the wire rod on an outer periphery of the core rod nozzle from the core rod nozzle.

Abstract: A coil winding apparatus includes: a core rod feeding unit configured to feed a string-shaped core rod from a core rod nozzle; a core rod drawing unit configured to draw out the core rod; a wire rod feeding unit configured to feed a wire rod towards the core rod; a rotator capable of rotating about the core rod nozzle; the guide member provided on the rotator, the guide member being configured to clamp, with the core rod, the wire rod that has been fed from the wire rod feeding unit; and a rotating unit configured to rotate the rotator to rotate the guide member together with the rotator so as to revolve the wire rod around the core rod in a vicinity of the core rod nozzle.

Abstract: A film intermittent carrying device: includes a film delivering mechanism, a delivering and accumulating mechanism, accumulating the film and discharging the film, a winding and accumulating mechanism accumulating the film while discharging in an amount corresponding to an amount of the film discharged, and a film winding mechanism taking-up the film constantly. The delivering and accumulating mechanism includes first and second fixed rollers, an upstream-side movable roller moving to pass through a middle position between the first and second fixed rollers, and an upstream-side friction preventive unit configured to reduce a friction between the film and the upstream-side movable roller.

Abstract: A carrying speed of a film is increased without generating scratches on the intermittently carried film. A film intermittent carrying device includes a film delivery mechanism; a delivering and accumulating mechanism accumulating the film and discharging the film in a short period of time; a winding and accumulating mechanism accumulating the film while simultaneously discharging in an amount corresponding to an amount of the film discharged in a short period of time; and a film winding mechanism taking-up the film constantly at a specified rate. The delivering and accumulating mechanism includes an upstream-side friction preventive unit not allowing a friction to occur between the film and the upstream-side movable roller. The winding and accumulating mechanism includes a downstream-side friction preventive unit not allowing the friction to occur between the film and the downstream-side movable roller.

Abstract: In a multilayer coil which winds “n” wire rods (4) (“n” is an integer number of two or more) in line around a winding core (2) having a cross section of a polygonal shape. An intersection portion (5) is formed on a face where feeding of the winding core is made by feeding the wire rods by an amount of “n” wire rods during a period when the wire rods (4) are wound by one round around the winding core (2), so that the wire rods in a lower layer and an upper layer intersect therein. A twist portion (6) is formed at an end of at least one face out of the faces where the feeding is made, wherein two wire rods out of “n” wire rods are twisted to replace an arrangement of the wire rods.

Abstract: In a multilayer coil which winds “n” wire rods (4) (“n” is an integer number of two or more) in line around a winding core (2) having a cross section of a polygonal shape. An intersection portion (5) is formed on a face where feeding of the winding core is made by feeding the wire rods by an amount of “n” wire rods during a period when the wire rods (4) are wound by one round around the winding core (2), so that the wire rods in a lower layer and an upper layer intersect therein. A twist portion (6) is formed at an end of at least one face out of the faces where the feeding is made, wherein two wire rods out of “n” wire rods are twisted to replace an arrangement of the wire rods.