US2019119599A1PendingUtilityA1

Lubricating oil for press working

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Assignee: TOYOTA BOSHOKU KKPriority: Oct 25, 2017Filed: Oct 18, 2018Published: Apr 25, 2019
Est. expiryOct 25, 2037(~11.2 yrs left)· nominal 20-yr term from priority
Inventors:Ryota SasakiKazuyuki HirataNaoki Kato
C10M 2203/003C10M 2221/00C10M 141/08C10N 2030/02C10M 2207/40C10M 169/04C10M 169/041C10N 2040/24C10M 159/04C10M 137/06C10M 2219/044C10M 2223/042C10M 2203/04C10N 2240/402
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Claims

Abstract

A lubricating oil for press working contains a base oil and a fat or oil-containing additive and a calcium-containing additive added to the base oil. The proportion of the fat or oil-containing additive with respect to the whole volume of the lubricating oil for press working is 10 to 30%. The proportion of the calcium-containing additive with respect to the whole volume of the lubricating oil for press working is 5 to 15%.

Claims

exact text as granted — not AI-modified
1 . A lubricating oil for press working, comprising:
 a base oil; and   a fat or oil-containing additive and a calcium-containing additive added to the base oil, wherein   a proportion of the fat or oil-containing additive with respect to the whole volume of the lubricating oil for press working is 10 to 30%, and   a proportion of the calcium-containing additive with respect to the whole volume of the lubricating oil for press working is 5 to 15%.   
     
     
         2 . The lubricating oil for press working according to  claim 1 , wherein the calcium-containing additive comprises a calcium petroleum sulfonate. 
     
     
         3 . A lubricating oil for press working, comprising:
 a base oil; and   a fat or oil-containing additive and a sodium-containing additive added to the base oil, wherein   a proportion of the fat or oil-containing additive with respect to the whole volume of the lubricating oil for press working is 10 to 30%, and   a proportion of the sodium-containing additive with respect to the whole volume of the lubricating oil for press working is 5 to 20%.   
     
     
         4 . The lubricating oil for press working according to  claim 3 , wherein the sodium-containing additive comprises a sodium petroleum sulfonate. 
     
     
         5 . The lubricating oil for press working according to  claim 1 , wherein the fat or oil-containing additive comprises a phosphate ester. 
     
     
         6 . The lubricating oil for press working according to  claim 3 , wherein the fat or oil-containing additive comprises a phosphate ester.

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