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Method and apparatus for producing a stepped hollow article 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B21D-028/32
출원번호 US-0576338 (1984-02-02)
우선권정보 JP-0016815 (1983-02-02)
발명자 / 주소
  • Oku Masaharu (Mito JPX) Sawahata Kazuo (Hitachi JPX) Kanamaru Hisanobu (Katsuta JPX)
출원인 / 주소
  • Hitachi, Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

A method and apparatus for producing a stepped hollow component such as, for example, a gear blank. A solid slug, provided with a disc portion and a projecting portion, is placed in a rigid cylindrical recess formed between a counterpunch and a hollow mold. An annular upper surface of the disc porti

대표청구항

A method of producing a stepped hollow article, the method comprising the steps of: placing a solid slug provided with a disc portion and a projection portion having an annular upper surface on the disc portion extending between an outer peripheral side surface of the projecting portion and an outer

이 특허를 인용한 특허 (39)

  1. Brochheuser, Ulrich; Gehrke, Andreas, Backward extrusion process for inner profiles.
  2. Ratte, Robert W.; Peterson, Norman E., Battery part.
  3. Ratte, Robert W.; Peterson, Norman E., Battery part.
  4. Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
  5. Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
  6. Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
  7. Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
  8. Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
  9. Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
  10. Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
  11. Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
  12. Andulics Joseph H. ; Nagy Gregory R., Blower Wheel assembly with steel hub, and method of making same.
  13. Nagy Gregory R., Blower wheel assembly with steel hub having cold-headed lugs, and method of making same.
  14. Andulics Joseph H. ; Nagy Gregory R., Blower wheel assembly with steel hub, and method of making same.
  15. Andulics Joseph H. ; Nagy Gregory R., Blower wheel assembly with steel hub, and method of making same.
  16. Delgado Hugo E. ; Howson Timothy E. ; Hyzak Jack M. ; Antaya Paul D. ; Doherty Thomas F. ; Gargolinski Paul J. ; Jepson Peter R. ; Morra Martin M. ; Shannon ; III James E., Closed-die forging process and rotationally incremental forging press.
  17. Delgado Hugo E. ; Howson Timothy E. ; Hyzak Jack M. ; Antaya Paul D. ; Doherty Thomas F. ; Gargolinski Paul J. ; Jepson Peter R. ; Morra Martin M. ; Shannon ; III James E., Closed-die forging process and rotationally incremental forging press.
  18. Travis, Ray; Stone, Paul, Cold forging apparatus and method for forming complex articles.
  19. Walker Billy R. (Daleville IN) Emmons George B. (Chesterfield IN) Dean Robert E. (Yorktown IN), Cold forming dies and cold forming process.
  20. Shirai Tokuo (Aichi JPX) Morita Kazuhiro (Anjo JPX), Forging method for producing a pulley.
  21. Yamanaka,Shigeaki; Kazama,Takeshi; Dohi,Masahiro, Hollow stepped shaft and method of forming the same.
  22. Yamanaka,Shigeaki; Kazama,Takeshi; Dohi,Masahiro, Hollow stepped shaft and method of forming the same.
  23. Tabata Yutaka,JPX ; Uemoto Kiyoshi,JPX, Method and device for forming blanks for bearing rings.
  24. Hartl, Helmut; Pfeiffer, Thomas, Method for producing a ring-shaped or plate-like element.
  25. Hartl, Helmut; Pfeiffer, Thomas, Method for producing a ring-shaped or plate-like element.
  26. Huang, Joseph, Method of forming a tenon on one side of a metal plate member.
  27. Sakuraba Kichiji,JPX, Method of manufacturing a blank raw material for a hose end fitting.
  28. Stark, Timothy W.; Tibiatowski, Shane P., Method of manufacturing a hockey puck.
  29. Mehta, Shreyas R.; Parthasarathy, Hassan Cheluva Iyenger, Method of providing a solenoid housing.
  30. Ratte, Robert W., Multiple casting apparatus and method.
  31. Ratte, Robert W., Multiple casting apparatus and method.
  32. Pipon Yves (Flers FRX) Droulon Georges (Flers FRX), Reinforced double toothing planet wheel for a micrometric articulation used more especially in vehicle seats.
  33. Hartl, Helmut; Pfeiffer, Thomas, Ring-shaped or plate-like element and method for producing same.
  34. Mehta, Shreyas R., Solenoid housing and method of making the same.
  35. Sarkisian John M. (Northboro MA) Palitsch John R. (Shrewsbury MA) Zecco ; Jr. Joseph J. (Shrewsbury MA), Stepped segmented, closed-die forging.
  36. Sarkisian John M. ; Palitsch John R. ; Zecco ; Jr. Joseph J., Stepped, segmented, closed-die forging.
  37. Sarkisian John M. ; Palitsch John R. ; Zecco Joseph J., Stepped, segmented, closed-die forging.
  38. Cain, Tracy L., Systems and methods for manufacturing battery parts.
  39. Cain, Tracy L., Systems and methods for manufacturing battery parts.
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