JPS643055U - - Google Patents

Info

Publication number
JPS643055U
JPS643055U JP9789587U JP9789587U JPS643055U JP S643055 U JPS643055 U JP S643055U JP 9789587 U JP9789587 U JP 9789587U JP 9789587 U JP9789587 U JP 9789587U JP S643055 U JPS643055 U JP S643055U
Authority
JP
Japan
Prior art keywords
piston ring
layer
steel piston
ring according
nitrided
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.)
Pending
Application number
JP9789587U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP9789587U priority Critical patent/JPS643055U/ja
Publication of JPS643055U publication Critical patent/JPS643055U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)
JP9789587U 1987-06-25 1987-06-25 Pending JPS643055U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9789587U JPS643055U (OSRAM) 1987-06-25 1987-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9789587U JPS643055U (OSRAM) 1987-06-25 1987-06-25

Publications (1)

Publication Number Publication Date
JPS643055U true JPS643055U (OSRAM) 1989-01-10

Family

ID=31323683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9789587U Pending JPS643055U (OSRAM) 1987-06-25 1987-06-25

Country Status (1)

Country Link
JP (1) JPS643055U (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100982A (en) * 1979-01-22 1980-08-01 Hitachi Ltd Surface treatment of alloy steel
JPS60153455A (ja) * 1984-01-23 1985-08-12 Nippon Piston Ring Co Ltd 鋼製ピストンリング
JPS6155062B2 (OSRAM) * 1982-12-28 1986-11-26 New Cosmos Electric Co

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100982A (en) * 1979-01-22 1980-08-01 Hitachi Ltd Surface treatment of alloy steel
JPS6155062B2 (OSRAM) * 1982-12-28 1986-11-26 New Cosmos Electric Co
JPS60153455A (ja) * 1984-01-23 1985-08-12 Nippon Piston Ring Co Ltd 鋼製ピストンリング

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