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US 9,808,972 B2Granted
Motor bobbin and method for manufacturing same
AssigneeDupont Teijin Advanced Papers (Japan), Ltd.
InventorsShinji Naruse, Tatsushi Fujimori, Chihiro Kondo, Yasunori Tanaka
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Abstract
In a method for manufacturing a motor bobbin around which a coil is wound, an insulating sheet and a core material are disposed within the cavity of an injection mold, and the motor bobbin is formed by the injection mold into which a resin is injected. The motor bobbin consists of the insulating sheet and a resin molded body.
Claims11
A method for manufacturing a motor bobbin around which a coil is to be wound, the method comprising:
- forming the motor bobbin by injection molding wherein an insulating sheet and a core member are arranged in a cavity of an injection mold;
- and
- a resin is injected into the cavity,
- wherein the motor bobbin comprises an insulating sheet and a molded resin article;
- and
- wherein the motor bobbin is further formed to comprise a center body portion which is at least partially made of only the insulating sheet.
3 more elements
Dependencies are inferred from the claim text.