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Title:
MOTOR CORE MANUFACTURING DEVICE AND MOTOR CORE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/191075
Kind Code:
A1
Abstract:
The motor core manufacturing device according to the present disclosure includes: a die which holds a motor core having resin filling parts; a chamber which is formed in the die and communicates at one end thereof with resin composition filling paths communicating with the resin filling parts; a plunger which delivers a resin composition delivered into the chamber toward the resin composition filling paths; a first heater which is disposed in the die, or disposed in the die as well as around the chamber; and an extruder which delivers the resin composition toward the chamber while kneading the resin composition in order to charge the chamber with a premeasured amount of the resin composition.

Inventors:
OHMORI MAKOTO (JP)
SATO KEI (JP)
FURUYA TAKUMI (JP)
KINOSHITA JUN (JP)
KAWASAKI ASUKA (JP)
Application Number:
PCT/JP2023/013619
Publication Date:
October 05, 2023
Filing Date:
March 31, 2023
Export Citation:
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Assignee:
NHK SPRING CO LTD (JP)
International Classes:
H02K15/12; H02K15/02
Domestic Patent References:
WO2017179547A12017-10-19
WO2019180780A12019-09-26
WO2020196768A12020-10-01
WO2020075323A12020-04-16
Foreign References:
JP2012223024A2012-11-12
JP2021087297A2021-06-03
JP2009065732A2009-03-26
JP2009268306A2009-11-12
JP2021164214A2021-10-11
JP2016048982A2016-04-07
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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