GB1531156A - Dielectric liquids - Google Patents

Dielectric liquids

Info

Publication number
GB1531156A
GB1531156A GB21724/76A GB2172476A GB1531156A GB 1531156 A GB1531156 A GB 1531156A GB 21724/76 A GB21724/76 A GB 21724/76A GB 2172476 A GB2172476 A GB 2172476A GB 1531156 A GB1531156 A GB 1531156A
Authority
GB
United Kingdom
Prior art keywords
dielectric liquid
dielectric liquids
per cent
dielectric
diisopropylbenzenes
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
GB21724/76A
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Publication of GB1531156A publication Critical patent/GB1531156A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/08—Working media
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/16—Dielectric; Insulating oil or insulators
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/17—Electric or magnetic purposes for electric contacts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling

Abstract

1531156 Dielectric liquid BRITISH PETROLEUM CO 26 May 1976 [13 June 1975] 21724/76 Heading C5F [Also in Division B3] A method of metal working by electro-erosion is characterized by using dielectric liquid containing at least 50 wt. per cent one or more diisopropylbenzenes and 0-50 wt. per cent of a mineral oil fraction, the dielectric liquid having a viscosity of not more than 5 cSt at 20‹ C.
GB21724/76A 1975-06-13 1976-05-26 Dielectric liquids Expired GB1531156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752526399 DE2526399A1 (en) 1975-06-13 1975-06-13 DIELECTRIC FLUIDS FOR METALWORKING BY ELECTROEROSION

Publications (1)

Publication Number Publication Date
GB1531156A true GB1531156A (en) 1978-11-01

Family

ID=5948986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21724/76A Expired GB1531156A (en) 1975-06-13 1976-05-26 Dielectric liquids

Country Status (3)

Country Link
DE (1) DE2526399A1 (en)
FR (1) FR2314017A1 (en)
GB (1) GB1531156A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL257126A (en) * 1959-10-22
FR1387456A (en) * 1964-02-06 1965-01-29 Sumitomo Electric Industries New synthetic hydrocarbon insulating oils
FR1487106A (en) * 1965-07-22 1967-06-30 Shell Int Research Oil for hollow core cables

Also Published As

Publication number Publication date
DE2526399A1 (en) 1976-12-30
FR2314017A1 (en) 1977-01-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee