JPH0472625B2 - - Google Patents

Info

Publication number
JPH0472625B2
JPH0472625B2 JP61023344A JP2334486A JPH0472625B2 JP H0472625 B2 JPH0472625 B2 JP H0472625B2 JP 61023344 A JP61023344 A JP 61023344A JP 2334486 A JP2334486 A JP 2334486A JP H0472625 B2 JPH0472625 B2 JP H0472625B2
Authority
JP
Japan
Prior art keywords
core material
lightweight
hole
core
valve
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
JP61023344A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62179837A (ja
Inventor
Koichi Hakoishi
Kozo Oikawa
Keisuke Hitomi
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.)
Fuji Oozx Inc
Original Assignee
Fuji Valve 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 Fuji Valve Co Ltd filed Critical Fuji Valve Co Ltd
Priority to JP2334486A priority Critical patent/JPS62179837A/ja
Publication of JPS62179837A publication Critical patent/JPS62179837A/ja
Publication of JPH0472625B2 publication Critical patent/JPH0472625B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forging (AREA)
  • Extrusion Of Metal (AREA)
JP2334486A 1986-02-05 1986-02-05 軽量エンジンバルブの製造方法 Granted JPS62179837A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2334486A JPS62179837A (ja) 1986-02-05 1986-02-05 軽量エンジンバルブの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2334486A JPS62179837A (ja) 1986-02-05 1986-02-05 軽量エンジンバルブの製造方法

Publications (2)

Publication Number Publication Date
JPS62179837A JPS62179837A (ja) 1987-08-07
JPH0472625B2 true JPH0472625B2 (forum.php) 1992-11-18

Family

ID=12107971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2334486A Granted JPS62179837A (ja) 1986-02-05 1986-02-05 軽量エンジンバルブの製造方法

Country Status (1)

Country Link
JP (1) JPS62179837A (forum.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6400039B2 (ja) * 2016-03-24 2018-10-03 本田技研工業株式会社 エンジンバルブ及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093774A (en) * 1931-05-20 1937-09-21 Thompson Prod Inc Method of making valves
US2070589A (en) * 1933-07-04 1937-02-16 Forgeage Electr Giacchino Sa Process of forging hollow metal blanks
JPS5129509A (ja) * 1974-09-05 1976-03-12 Nippon Kansoki Kk Hochikiitohinshitsuhozenhoho
JPS6013910A (ja) * 1983-07-05 1985-01-24 Daido Steel Co Ltd 排気バルブ

Also Published As

Publication number Publication date
JPS62179837A (ja) 1987-08-07

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