JPH0465732B2 - - Google Patents

Info

Publication number
JPH0465732B2
JPH0465732B2 JP61023340A JP2334086A JPH0465732B2 JP H0465732 B2 JPH0465732 B2 JP H0465732B2 JP 61023340 A JP61023340 A JP 61023340A JP 2334086 A JP2334086 A JP 2334086A JP H0465732 B2 JPH0465732 B2 JP H0465732B2
Authority
JP
Japan
Prior art keywords
valve
hole
hollow
core material
heated
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
JP61023340A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62179833A (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 JP2334086A priority Critical patent/JPS62179833A/ja
Publication of JPS62179833A publication Critical patent/JPS62179833A/ja
Publication of JPH0465732B2 publication Critical patent/JPH0465732B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)
JP2334086A 1986-02-05 1986-02-05 中空エンジンバルブの製造方法 Granted JPS62179833A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2334086A JPS62179833A (ja) 1986-02-05 1986-02-05 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
JP2334086A JPS62179833A (ja) 1986-02-05 1986-02-05 中空エンジンバルブの製造方法

Publications (2)

Publication Number Publication Date
JPS62179833A JPS62179833A (ja) 1987-08-07
JPH0465732B2 true JPH0465732B2 (en]) 1992-10-21

Family

ID=12107861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2334086A Granted JPS62179833A (ja) 1986-02-05 1986-02-05 中空エンジンバルブの製造方法

Country Status (1)

Country Link
JP (1) JPS62179833A (en])

Family Cites Families (3)

* 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

Also Published As

Publication number Publication date
JPS62179833A (ja) 1987-08-07

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