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Method for producing permanent magnet and sintered compact and production apparatus for making green compacts 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B22F-003/12
출원번호 US-0800356 (1991-12-02)
우선권정보 JP-0330048 (1990-11-30); JP-0040861 (1991-02-14); JP-0059487 (1991-03-01); JP-0169346 (1991-06-14)
발명자 / 주소
  • Sagawa Masato (Kyoto JPX) Nagata Hiroshi (Kyoto JPX) Shirai Hiroo (Kyoto JPX)
출원인 / 주소
  • Intermetallics Co., Ltd. (Kyoto JPX 03)
인용정보 피인용 횟수 : 38  인용 특허 : 0

초록 ▼

Green compacts for sintered ceramic bodies and for sintered permanent magnets are produced by first preparing outside a die press machine a mold which contains a rubber portion in at least a side portion. The mold cavity is then filled with the fine powder which is to form the compact to a density w

대표청구항 ▼

A production method for producing a green magnet compact, comprising: preparing a rubber mold which comprises rubber in at least a side portion thereof and which is located outside a die-press machine; filling a cavity in the rubber mold with a magnet powder to a density which is at least 1.2 times

이 특허를 인용한 특허 (38)

  1. Barber, John P.; Bauer, David P.; Knoth, Edward A.; Newman, Duane C., Apparatus and method for making an electrical component.
    상세보기
  2. Barber,John P; Bauer,David P; Knoth,Edward K; Newman,Duane C, Apparatus and method for making an electrical component.
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  3. John P. Barber ; David P. Bauer ; Duane C. Newman ; Edward A. Knoth, Apparatus and method for making an electrical component.
    상세보기
  4. Avinoam Livni IL; Yoav Katz IL, Apparatus for construction of annular segmented permanent magnet.
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  5. Isozumi, Masatsugu; Kitamura, Naoshige, Control unit for powder material compression molding machine.
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  6. Kamiya, Naoki; Koga, Takanori, Electric motor with permanent magnet having curved outer wall and flat rear wall.
    상세보기
  7. Johnston Ralph Herbert ; Score David Allen ; Gay David Earl ; Skinner Albert Anthony, Electromagnetic compacting of powder metal for ignition core application.
    상세보기
  8. Johnston Ralph ; Martin Ronald A. ; Cho Chahee Peter, Electromagnetic device with embedded windings and method for its manufacture.
    상세보기
  9. Ralph Johnston ; Chahee Peter Cho ; Ronald A. Martin, Electromagnetic device with embedded windings and method for its manufacture.
    상세보기
  10. Dening, David C.; Ings, John Bernard; Erins, Peters Valdemars, Ferrite powder optimized for fabrication of ferrite features and related methods.
    상세보기
  11. Kim,Dong Hwan, Longitudinal magnetic field compacting method and device for manufacturing rare earth magnets.
    상세보기
  12. Atsushi Ogawa JP; Toshiaki Tamura JP, Method and apparatus for feeding magnetic powder and method for manufacturing magnet.
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  13. Takemoto Shigehide,JPX ; Okajima Hiroshi,JPX ; Kondoh Mikio,JPX, Method and apparatus for filling powder.
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  14. Hiroshi Nagata JP; Masato Sagawa JP, Method and apparatus for packing material including air tapping.
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  15. Lee, Jin Sung; Park, Hee Duk; Sa, Hee Sul, Method and apparatus for vacuum process of isostatic pressing of powder material.
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  16. Sagawa, Masato; Nagata, Hiroshi; Itatani, Osamu, Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy.
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  17. Futoshi Kuniyoshi JP; Hitoshi Morimoto JP, Method for manufacturing rare earth magnet.
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  18. Ogawa,Atsushi; Okumura,Shuhei, Method for press molding rare earth alloy powder and method for producing sintered object of rare earth alloy.
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  19. Sasaki Tsutomu,JPX ; Ogura Taketsugu,JPX, Method for producing conductive composition and conductive composition.
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  20. Sagawa, Masato; Watanabe, Tochihiro; Nagata, Hiroshi, Method of making sintered articles.
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  21. Hiroyoshi Hidetoshi (Sendai JPX), Method of manufacturing a radially oriented magnet.
    상세보기
  22. Okuyama, Shuichi; Harada, Tsutomu; Tajiri, Takashi, Powder compacting apparatus and method of making rare-earth alloy magnetic powder compact.
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  23. Ogawa,Atsushi, Powder compacting method, powder compacting apparatus and method for producing rare earth magnet.
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  24. Sagawa, Masato; Watanabe, Tochihiro; Nagata, Hiroshi, Powder compaction method.
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  25. Nakamura, Hajime; Hirota, Koichi; Minowa, Takehisa, Preparation of rare earth permanent magnet material.
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  26. Nakamura, Hajime; Hirota, Koichi; Minowa, Takehisa, Preparation of rare earth permanent magnet material.
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  27. Harada,Tsutomu; Tajiri,Takashi; Okuyama,Shuichi, Press and magnet manufacturing method.
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  28. Harada, Tsutomu; Tajiri, Takashi; Okuyama, Shuichi, Press machine and method for producing magnet.
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  29. Kohara Seiichi,JPX ; Okumura Shuhei,JPX ; Nakamura Akira,JPX, Process and apparatus for supplying rare earth metal-based alloy powder.
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  30. Ugai, Yoshikazu; Iwami, Taizo; Takahama, Shuichi; Nakahara, Yuji; Furukawa, Jinichi, Ring magnet and method of manufacturing the magnet.
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  31. Naohisa Kawakami JP; Tsukimitsu Higuchi JP; Takashi Inaba JP; Koichi Yamamoto JP; Toshio Egami JP; Takayuki Shibayama JP, Sliding member.
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  32. Barber John P., Structure and method for compaction of powder-like materials.
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  33. Barber, John P., Structure and method for compaction of powder-like materials.
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  34. Chelluri Bhanumathi (Dublin OH) Barber John P. (Kettering OH), Structure and method for compaction of powder-like materials.
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  35. Chelluri Bhanumathi (Dublin OH) Barber John P. (Kettering OH) Newman Duane C. (London OH), Structure and method for compaction of powder-like materials.
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  36. Chelluri Bhanumathi (Dublin OH) Barber John P. (Kettering OH) Newman Duane Charles (London OH), Structure and method for compaction of powder-like materials.
    상세보기
  37. Knoth,Edward Arlen; Chelluri,Bhanu; Schumaker,Edward John, System and method for loading a plurality of powder materials in a compaction press.
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  38. Knoth, Edward Arlen; Chelluri, Bhanu; Schumaker, Edward John, System and method for loading a plurality of powder materials in an electromagnetic compaction press.
    상세보기

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