Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroaki Takeda0
Masashi Kawai0
Shimpei Fujiwara0
Date of Patent
December 7, 2021
0Patent Application Number
161805100
Date Filed
November 5, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A manufacturing method for an electric motor stator includes an injecting step in which thermosetting resin is injected into a forming die, a dipping step in which a coil end portion is dipped into the thermosetting resin injected into the forming die, a heating step in which the thermosetting resin inside the forming die is heated so as to form a molded portion, and a mold release step in which the molded portion is released from the forming die when at least either shear force of the thermosetting resin or adhesive strength between the coil end portion and the thermosetting resin becomes greater than previously-determined mold release force.
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