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Patent Searching and Data


Title:
REACTOR MANUFACTURING METHOD AND MOLD FOR REACTOR MANUFACTURING
Document Type and Number:
Japanese Patent JP2021061346
Kind Code:
A
Abstract:
To provide a technique for suppressing a gap between a mold and an insert component (particularly a gap at a boundary between a coil lead wire and a resin) without using a movable mold.SOLUTION: A reactor manufacturing method disclosed herein includes a primary molding step and a secondary molding step. In the primary molding step, a coil mold body in which a coil is covered with a resin is molded. In the secondary molding step, an assembly in which the core is assembled to the coil mold body is put into a mold, and a resin cover that covers the core and is integrated with the coil mold body is molded. The resin cover may cover the entire core or a part of the core. In the manufacturing method disclosed herein, the coil mold body includes a resin taper portion that tapers as the resin taper portion approaches the tip of a coil lead wire. The mold in the secondary molding step is provided with a tapered groove into which the taper portion is fitted.SELECTED DRAWING: Figure 5

Inventors:
HYUGANO MITSUYASU
TAKEUCHI AKINOBU
NAKANO HIROFUMI
AISAKA YUTO
NAKANISHI YOSHIHIRO
Application Number:
JP2019185409A
Publication Date:
April 15, 2021
Filing Date:
October 08, 2019
Export Citation:
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Assignee:
DENSO CORP
International Classes:
H01F37/00; H01F41/12
Domestic Patent References:
JP2011071485A2011-04-07
JP2019134127A2019-08-08
JPS509054Y11975-03-19
JP2019051650A2019-04-04
Attorney, Agent or Firm:
Kaiyu International Patent Office