JPH0476004B2 - - Google Patents

Info

Publication number
JPH0476004B2
JPH0476004B2 JP61256207A JP25620786A JPH0476004B2 JP H0476004 B2 JPH0476004 B2 JP H0476004B2 JP 61256207 A JP61256207 A JP 61256207A JP 25620786 A JP25620786 A JP 25620786A JP H0476004 B2 JPH0476004 B2 JP H0476004B2
Authority
JP
Japan
Prior art keywords
core material
hot
core
manufacturing
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
JP61256207A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63109208A (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 JP25620786A priority Critical patent/JPS63109208A/ja
Publication of JPS63109208A publication Critical patent/JPS63109208A/ja
Publication of JPH0476004B2 publication Critical patent/JPH0476004B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forging (AREA)
JP25620786A 1986-10-28 1986-10-28 軽量エンジンバルブの製造方法 Granted JPS63109208A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25620786A JPS63109208A (ja) 1986-10-28 1986-10-28 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
JP25620786A JPS63109208A (ja) 1986-10-28 1986-10-28 軽量エンジンバルブの製造方法

Publications (2)

Publication Number Publication Date
JPS63109208A JPS63109208A (ja) 1988-05-13
JPH0476004B2 true JPH0476004B2 (en]) 1992-12-02

Family

ID=17289407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25620786A Granted JPS63109208A (ja) 1986-10-28 1986-10-28 軽量エンジンバルブの製造方法

Country Status (1)

Country Link
JP (1) JPS63109208A (en])

Family Cites Families (3)

* 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
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
JPS63109208A (ja) 1988-05-13

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