JPS648608A - Molded transformer - Google Patents

Molded transformer

Info

Publication number
JPS648608A
JPS648608A JP16225887A JP16225887A JPS648608A JP S648608 A JPS648608 A JP S648608A JP 16225887 A JP16225887 A JP 16225887A JP 16225887 A JP16225887 A JP 16225887A JP S648608 A JPS648608 A JP S648608A
Authority
JP
Japan
Prior art keywords
molded coil
coil
irreguralities
adherent metal
molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16225887A
Other languages
Japanese (ja)
Inventor
Hirobumi Kubo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16225887A priority Critical patent/JPS648608A/en
Publication of JPS648608A publication Critical patent/JPS648608A/en
Pending legal-status Critical Current

Links

Landscapes

  • Insulating Of Coils (AREA)
  • Insulating Bodies (AREA)

Abstract

PURPOSE:To enhance adhesiveness of an adherent metal and a molded coil by forming hollow sphere broken irregularities by shot blast on the surface excepting a coil terminal surface of a molded coil and by flame-spraying an adherent metal on the irregularities. CONSTITUTION:Minute hollow spheres 10 of about 10-100mum dia., the inside thereof is in a vacuum, are introduced in a resin 2 to form a molded coil 3. Then a plurality of hollow spheres 10 are exposed on the surface of the molded coil 3. When the surface excepting a coil terminal surface 4 of the molded coil 3 is shot blasted, the hollow spheres 10 on the surface of the molded coil 3 break and form minute and complicated irreguralities. An adherent metal 6 is flame sprayed on the hollow sphere broken irreguralities 11 of the molded coil 3. The adherent metal 6 enters the innermost of the irreguralities 11 and is coated therein.
JP16225887A 1987-07-01 1987-07-01 Molded transformer Pending JPS648608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16225887A JPS648608A (en) 1987-07-01 1987-07-01 Molded transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16225887A JPS648608A (en) 1987-07-01 1987-07-01 Molded transformer

Publications (1)

Publication Number Publication Date
JPS648608A true JPS648608A (en) 1989-01-12

Family

ID=15751016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16225887A Pending JPS648608A (en) 1987-07-01 1987-07-01 Molded transformer

Country Status (1)

Country Link
JP (1) JPS648608A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009224644A (en) * 2008-03-18 2009-10-01 Takaoka Kasei Kogyo Kk Mold surface treatment method of mold transformer
JP2010206104A (en) * 2009-03-05 2010-09-16 Sumitomo Electric Ind Ltd Coil molding and reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009224644A (en) * 2008-03-18 2009-10-01 Takaoka Kasei Kogyo Kk Mold surface treatment method of mold transformer
JP2010206104A (en) * 2009-03-05 2010-09-16 Sumitomo Electric Ind Ltd Coil molding and reactor

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