JPH0228405B2 - - Google Patents

Info

Publication number
JPH0228405B2
JPH0228405B2 JP57083596A JP8359682A JPH0228405B2 JP H0228405 B2 JPH0228405 B2 JP H0228405B2 JP 57083596 A JP57083596 A JP 57083596A JP 8359682 A JP8359682 A JP 8359682A JP H0228405 B2 JPH0228405 B2 JP H0228405B2
Authority
JP
Japan
Prior art keywords
sleeve
valve
forged material
outer periphery
vertical grooves
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.)
Expired - Lifetime
Application number
JP57083596A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58199637A (ja
Inventor
Seiji Komamura
Hirohiko Yamagishi
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.)
KYB Corp
Original Assignee
Kayaba Industry Co 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to JP57083596A priority Critical patent/JPS58199637A/ja
Publication of JPS58199637A publication Critical patent/JPS58199637A/ja
Publication of JPH0228405B2 publication Critical patent/JPH0228405B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP57083596A 1982-05-18 1982-05-18 ロータリバルブの加工方法 Granted JPS58199637A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57083596A JPS58199637A (ja) 1982-05-18 1982-05-18 ロータリバルブの加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57083596A JPS58199637A (ja) 1982-05-18 1982-05-18 ロータリバルブの加工方法

Publications (2)

Publication Number Publication Date
JPS58199637A JPS58199637A (ja) 1983-11-21
JPH0228405B2 true JPH0228405B2 (de) 1990-06-25

Family

ID=13806869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57083596A Granted JPS58199637A (ja) 1982-05-18 1982-05-18 ロータリバルブの加工方法

Country Status (1)

Country Link
JP (1) JPS58199637A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11311929B2 (en) * 2016-05-24 2022-04-26 Cie Automotive, S.A. Device for calibrating and lightening the weight of crankshafts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641861Y2 (de) * 1976-12-28 1981-09-30

Also Published As

Publication number Publication date
JPS58199637A (ja) 1983-11-21

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