JPH0143019B2 - - Google Patents

Info

Publication number
JPH0143019B2
JPH0143019B2 JP61297297A JP29729786A JPH0143019B2 JP H0143019 B2 JPH0143019 B2 JP H0143019B2 JP 61297297 A JP61297297 A JP 61297297A JP 29729786 A JP29729786 A JP 29729786A JP H0143019 B2 JPH0143019 B2 JP H0143019B2
Authority
JP
Japan
Prior art keywords
steel
intake valves
treatment
less
soft nitriding
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
Application number
JP61297297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62142815A (ja
Inventor
Tetsuo Kato
Norioki Uehara
Kenkichi Matsunaga
Hisao Kamya
Yasu Koyanagi
Masaki Matsuno
Masanori Iizuka
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP29729786A priority Critical patent/JPS62142815A/ja
Publication of JPS62142815A publication Critical patent/JPS62142815A/ja
Publication of JPH0143019B2 publication Critical patent/JPH0143019B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
JP29729786A 1986-12-12 1986-12-12 吸気バルブ用鋼材 Granted JPS62142815A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29729786A JPS62142815A (ja) 1986-12-12 1986-12-12 吸気バルブ用鋼材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29729786A JPS62142815A (ja) 1986-12-12 1986-12-12 吸気バルブ用鋼材

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP5192679A Division JPS55145155A (en) 1979-04-25 1979-04-25 Suction valve

Publications (2)

Publication Number Publication Date
JPS62142815A JPS62142815A (ja) 1987-06-26
JPH0143019B2 true JPH0143019B2 (enExample) 1989-09-18

Family

ID=17844686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29729786A Granted JPS62142815A (ja) 1986-12-12 1986-12-12 吸気バルブ用鋼材

Country Status (1)

Country Link
JP (1) JPS62142815A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08303216A (ja) * 1995-05-08 1996-11-19 Fuji Oozx Inc 内燃機関用タペットの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5127412B2 (enExample) * 1973-08-06 1976-08-12
JPS5638676B2 (enExample) * 1973-08-27 1981-09-08
JPS516142A (en) * 1974-07-05 1976-01-19 Toyota Motor Co Ltd Taimamokono seizoho

Also Published As

Publication number Publication date
JPS62142815A (ja) 1987-06-26

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