JPH0476006B2 - - Google Patents

Info

Publication number
JPH0476006B2
JPH0476006B2 JP61256209A JP25620986A JPH0476006B2 JP H0476006 B2 JPH0476006 B2 JP H0476006B2 JP 61256209 A JP61256209 A JP 61256209A JP 25620986 A JP25620986 A JP 25620986A JP H0476006 B2 JPH0476006 B2 JP H0476006B2
Authority
JP
Japan
Prior art keywords
mandrel
valve
umbrella
engine valve
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 - Lifetime
Application number
JP61256209A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63109210A (ja
Inventor
Minao Sasaki
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 JP25620986A priority Critical patent/JPS63109210A/ja
Publication of JPS63109210A publication Critical patent/JPS63109210A/ja
Publication of JPH0476006B2 publication Critical patent/JPH0476006B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forging (AREA)
JP25620986A 1986-10-28 1986-10-28 中空エンジンバルブの製造方法 Granted JPS63109210A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25620986A JPS63109210A (ja) 1986-10-28 1986-10-28 中空エンジンバルブの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25620986A JPS63109210A (ja) 1986-10-28 1986-10-28 中空エンジンバルブの製造方法

Publications (2)

Publication Number Publication Date
JPS63109210A JPS63109210A (ja) 1988-05-13
JPH0476006B2 true JPH0476006B2 (en]) 1992-12-02

Family

ID=17289435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25620986A Granted JPS63109210A (ja) 1986-10-28 1986-10-28 中空エンジンバルブの製造方法

Country Status (1)

Country Link
JP (1) JPS63109210A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929534A1 (de) * 1989-09-06 1991-03-28 Daimler Benz Ag Verfahren zur herstellung eines ventils
JP5135023B2 (ja) * 2008-03-27 2013-01-30 本田技研工業株式会社 サスペンション特性制御装置
US9670951B2 (en) * 2014-04-08 2017-06-06 A.A.M International S.A.R.L. Variable-wall light-weight axle shaft with an integral flange member and method for making the same
DE102019106222A1 (de) * 2019-03-12 2020-09-17 Federal-Mogul Valvetrain Gmbh Verfahren zur Herstellung eines Hohlventils für Verbrennungsmotoren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452628A (en) * 1944-08-25 1948-11-02 Thompson Prod Inc Method of making hollow poppet valves
JPS5684121A (en) * 1979-12-10 1981-07-09 Matsushita Electric Ind Co Ltd Hot extrusion method

Also Published As

Publication number Publication date
JPS63109210A (ja) 1988-05-13

Similar Documents

Publication Publication Date Title
JPH03242408A (ja) 中空エンジンバルブの製造方法
JP4823367B2 (ja) アンダーカット部を有する部材の成形方法
JPH07102917A (ja) Ｎａ封入中空エンジンバルブの製造方法
EP1353044A2 (en) Method of manufacturing a poppet valve
JPS63109204A (ja) 軽量エンジンバルブ及びその製造方法
JPH0476006B2 (en])
US7213337B1 (en) Method of manufacturing pistons and components thereof, and forging tools
US4606730A (en) Bimetal electrodes for spark plugs or the like and method of making same
JPH0476003B2 (en])
JP2003225733A (ja) ロッドカラーの接合方法および接合型
JPS63264237A (ja) 中空バルブ素材の製造方法
JPS63109205A (ja) 中空エンジンバルブの製造方法
JPH0465735B2 (en])
JPH0469495B2 (en])
JP3375041B2 (ja) 歯車の成形方法および成形装置
JPH0476007B2 (en])
JPH0465734B2 (en])
JPS63109202A (ja) 軽量エンジンバルブの製造方法
JPS63109206A (ja) 中空エンジンバルブの製造方法
JPH0472625B2 (en])
JPS63109203A (ja) 軽量エンジンバルブの製造方法
JPH0465733B2 (en])
JPH0476005B2 (en])
JPH0476004B2 (en])
JPH0465732B2 (en])