JPS622895B2 - - Google Patents

Info

Publication number
JPS622895B2
JPS622895B2 JP57182460A JP18246082A JPS622895B2 JP S622895 B2 JPS622895 B2 JP S622895B2 JP 57182460 A JP57182460 A JP 57182460A JP 18246082 A JP18246082 A JP 18246082A JP S622895 B2 JPS622895 B2 JP S622895B2
Authority
JP
Japan
Prior art keywords
groove
valve body
sectional
grooves
manufacturing
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
Application number
JP57182460A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5973141A (ja
Inventor
Kunio Hayashi
Kazutoshi Asano
Yoshihiro Tokutome
Hideo Mori
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP57182460A priority Critical patent/JPS5973141A/ja
Publication of JPS5973141A publication Critical patent/JPS5973141A/ja
Publication of JPS622895B2 publication Critical patent/JPS622895B2/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
    • 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)
  • Valve Housings (AREA)
  • Forging (AREA)
JP57182460A 1982-10-18 1982-10-18 バルブボデ−の製造方法 Granted JPS5973141A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57182460A JPS5973141A (ja) 1982-10-18 1982-10-18 バルブボデ−の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57182460A JPS5973141A (ja) 1982-10-18 1982-10-18 バルブボデ−の製造方法

Publications (2)

Publication Number Publication Date
JPS5973141A JPS5973141A (ja) 1984-04-25
JPS622895B2 true JPS622895B2 (OSRAM) 1987-01-22

Family

ID=16118653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57182460A Granted JPS5973141A (ja) 1982-10-18 1982-10-18 バルブボデ−の製造方法

Country Status (1)

Country Link
JP (1) JPS5973141A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62197235A (ja) * 1986-02-24 1987-08-31 Tokai T R W Kk 単片型バルブスリ−ブの製造方法
JPS63149034A (ja) * 1986-12-15 1988-06-21 Hitachi Ltd インターナルギヤの製造方法
JPS63264236A (ja) * 1987-04-23 1988-11-01 Sekiguchi Sangyo Kk 弁スリ−ブ製造方法
JPS63264235A (ja) * 1987-04-23 1988-11-01 Sekiguchi Sangyo Kk 弁スリ−ブ製造方法

Also Published As

Publication number Publication date
JPS5973141A (ja) 1984-04-25

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