CA2426373C - Composition d'huile pour le traitement thermique - Google Patents

Composition d'huile pour le traitement thermique Download PDF

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Publication number
CA2426373C
CA2426373C CA002426373A CA2426373A CA2426373C CA 2426373 C CA2426373 C CA 2426373C CA 002426373 A CA002426373 A CA 002426373A CA 2426373 A CA2426373 A CA 2426373A CA 2426373 C CA2426373 C CA 2426373C
Authority
CA
Canada
Prior art keywords
heat treating
alkaline earth
oil composition
quenching
oil
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
CA002426373A
Other languages
English (en)
Other versions
CA2426373A1 (fr
Inventor
Hitoshi Uchida
Saburo Koyama
Eiichi Nakamura
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan 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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority claimed from CA002080788A external-priority patent/CA2080788C/fr
Publication of CA2426373A1 publication Critical patent/CA2426373A1/fr
Application granted granted Critical
Publication of CA2426373C publication Critical patent/CA2426373C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Lubricants (AREA)
CA002426373A 1991-10-18 1992-10-16 Composition d'huile pour le traitement thermique Expired - Lifetime CA2426373C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP27107391 1991-10-18
JP271073/1991 1991-10-18
CA002080788A CA2080788C (fr) 1991-10-18 1992-10-16 Composition d'huile pour le traitement thermique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002080788A Division CA2080788C (fr) 1991-10-18 1992-10-16 Composition d'huile pour le traitement thermique

Publications (2)

Publication Number Publication Date
CA2426373A1 CA2426373A1 (fr) 1993-04-19
CA2426373C true CA2426373C (fr) 2004-08-17

Family

ID=25675596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002426373A Expired - Lifetime CA2426373C (fr) 1991-10-18 1992-10-16 Composition d'huile pour le traitement thermique

Country Status (1)

Country Link
CA (1) CA2426373C (fr)

Also Published As

Publication number Publication date
CA2426373A1 (fr) 1993-04-19

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Effective date: 20121016