JPH0465734B2 - - Google Patents

Info

Publication number
JPH0465734B2
JPH0465734B2 JP61023342A JP2334286A JPH0465734B2 JP H0465734 B2 JPH0465734 B2 JP H0465734B2 JP 61023342 A JP61023342 A JP 61023342A JP 2334286 A JP2334286 A JP 2334286A JP H0465734 B2 JPH0465734 B2 JP H0465734B2
Authority
JP
Japan
Prior art keywords
hole
core material
valve
hot
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
JP61023342A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62179835A (ja
Inventor
Koichi Hakoishi
Keisuke Hitomi
Kozo Oikawa
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 JP2334286A priority Critical patent/JPS62179835A/ja
Publication of JPS62179835A publication Critical patent/JPS62179835A/ja
Publication of JPH0465734B2 publication Critical patent/JPH0465734B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)
JP2334286A 1986-02-05 1986-02-05 軽量エンジンバルブの製造方法 Granted JPS62179835A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2334286A JPS62179835A (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
JP2334286A JPS62179835A (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
JPS62179835A JPS62179835A (ja) 1987-08-07
JPH0465734B2 true JPH0465734B2 (en]) 1992-10-21

Family

ID=12107916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2334286A Granted JPS62179835A (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) JPS62179835A (en])

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093773A (en) * 1931-05-16 1937-09-21 Thompson Prod Inc Method of making hollow valves
US2093774A (en) * 1931-05-20 1937-09-21 Thompson Prod Inc Method of making valves
US1948793A (en) * 1932-05-24 1934-02-27 Aluminum Ind Inc Method of making valves
US2070589A (en) * 1933-07-04 1937-02-16 Forgeage Electr Giacchino Sa Process of forging hollow metal blanks

Also Published As

Publication number Publication date
JPS62179835A (ja) 1987-08-07

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