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

  • Extrusion Of Metal (AREA)
  • Forging (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 (en, 2012) 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 (en, 2012)

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

Similar Documents

Publication Publication Date Title
JPH03242408A (ja) 中空エンジンバルブの製造方法
JP2010142877A (ja) アンダーカット部を有する部材の成形方法
EP1353044A2 (en) Method of manufacturing a poppet valve
JPH0656088B2 (ja) 軽量エンジンバルブ及びその製造方法
JPH0472625B2 (en, 2012)
JPH0476003B2 (en, 2012)
JPH0469495B2 (en, 2012)
JPH0476006B2 (en, 2012)
JPS63264237A (ja) 中空バルブ素材の製造方法
US5299441A (en) Method of making a mandrel comprising a drill section for a self-drilling blind rivet
JPS63109203A (ja) 軽量エンジンバルブの製造方法
JPH0476004B2 (en, 2012)
JPH0465734B2 (en, 2012)
JPH0656089B2 (ja) 中空エンジンバルブの製造方法
JPH0656090B2 (ja) 中空エンジンバルブの製造方法
JPH0465733B2 (en, 2012)
JPH0656087B2 (ja) 軽量エンジンバルブの製造方法
JPH0465735B2 (en, 2012)
JPH0476005B2 (en, 2012)
JPH0465732B2 (en, 2012)
JPH0476007B2 (en, 2012)
US5184494A (en) Method of forming universal joint housings
US20030172532A1 (en) Method for making hollow bicycle cranks
JPS60213330A (ja) 内燃機関用吸，排気弁の製造方法
JPH0771566A (ja) 歯車及びその製造方法