US1881542A - Lubricating composition for machining operations - Google Patents

Lubricating composition for machining operations Download PDF

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Publication number
US1881542A
US1881542A US359177A US35917729A US1881542A US 1881542 A US1881542 A US 1881542A US 359177 A US359177 A US 359177A US 35917729 A US35917729 A US 35917729A US 1881542 A US1881542 A US 1881542A
Authority
US
United States
Prior art keywords
machining operations
lubricating composition
composition
base
barium sulphate
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
US359177A
Inventor
Philip E Harth
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.)
Nat Pigments & Chemical Compan
National Pigments & Chemical Co
Original Assignee
Nat Pigments & Chemical Compan
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 Nat Pigments & Chemical Compan filed Critical Nat Pigments & Chemical Compan
Priority to US359177A priority Critical patent/US1881542A/en
Application granted granted Critical
Publication of US1881542A publication Critical patent/US1881542A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/081—Inorganic acids or salts thereof containing halogen
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/082—Inorganic acids or salts thereof containing nitrogen
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • 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
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/01—Emulsions, colloids, or micelles

Definitions

  • This invention relates to lubricating comining operations.
  • machining operations such as broaching, cutting and tapping
  • a lubricating composition in order to lubricate the machining elements such as cutters, taps, etc., and to keep them cool.
  • a composition has a suspensoid base the tendency is for this base to settle out of the liquid in which the base is suspended.
  • One of the objects of this invention is to provide a lubricating composition of the character described in which there is combined with the suspensoid base a suspending agent which serves to hold this base in suspension.
  • the composition employs a suspensoid base having lubricating properties and there is mixed therewith or added thereto, a suspending agent, which serves to hold the suspensoid in suspension.
  • a suspending agent which serves to hold the suspensoid in suspension.
  • An agent particularly suitable for this purpose is a concentrated colloidal clay.
  • a suspensoid base particularly suitable, especially in connection with colloidal clay, is barium sulphate.
  • the composition comprises-80% barium sulphate of a fineness so as to pass through 400 mesh and 20% of a concentrated colloidal clay, a typical sample of which has the following analysis Silica 62 43 Alumina 24.64 Iron oxide 3.20 Calcium carbonate 0.41 agnesium carbonate 2.30 Potassium carbonate 0.15 ⁇ Sodium carbonate 0.60 Loss on ignition 6.12
  • the barium sulphate and the colloidal clay are mixed dry and can be retained as a dry mixture until ready for use. They can, however, be made into a paste by adding 20% of water and thoroughly mixing the same.
  • the paste has added thereto about 100% of water.
  • the barium sulphate not only acts as a lubricant, but also absorbs heat and, therefore, tends to keep the cutting elements as well as the work cool.
  • the colloidal clay not only acts as a lubricant and as a soap, but performs the important function of keeping the barium sulphate in suspension.
  • composition embodying this invention is particularly applicable as a lubricating composition for machine operations, it will be understood that it is applicable to other uses in this art. It will, furthermore, be understood that certain features are of utility and may be employed without reference to other features; that is contemplated by and is within the scope of the appended claims. It will, furthermore, be understood that various changes may be made in the proportions and ingredients of the composition within the scope of the appended claims without departing from the spirit of this invention. It is, therefore, to be understood that this invention is not to be limited to the specific details described.
  • a lubricating composition base for machining operations consisting of 80 barium sulphate and 20% colloidal clay.
  • a lubricating composition for machining operations consisting of an aqueous suspension of barium sulphate and concentrated colloidal clay.
  • a lubricating paste composition for machining operations consisting of finely divided barium sulphate as a heat absorbing material, and concentrated colloidal clay of the character described as a soapy suspending agent.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Description

positions for mach Patented Oct. 11, 1932 UNITED STATES PATENT OFFICE PHILIP E EARTH, OF ST. LOUIS, MISSOURI, ASSIGNOB TO NATIONAL PIGMENTS &
CHEMIC COMPANY, OF ST. LOUIS, MISSOURI, A CORPORATION OF MISSOURI LUBRICATING COMPOSITION FOR MACHINING OPERATIONS Io Drawing.
This invention relates to lubricating comining operations. In machining operations, such as broaching, cutting and tapping, it is the practice to employ a lubricating composition in order to lubricate the machining elements such as cutters, taps, etc., and to keep them cool. Where, however, such a composition has a suspensoid base the tendency is for this base to settle out of the liquid in which the base is suspended. I
One of the objects of this invention, therefore, is to provide a lubricating composition of the character described in which there is combined with the suspensoid base a suspending agent which serves to hold this base in suspension.
Further objects will appear from the detail description in which will be described an illustrated embodiment of this invention.
It is to be understood, however, that this invention is susceptible of various embodiments within the scope of the appended claims.
In accordance with this invention the composition employs a suspensoid base having lubricating properties and there is mixed therewith or added thereto, a suspending agent, which serves to hold the suspensoid in suspension. An agent particularly suitable for this purpose is a concentrated colloidal clay. A suspensoid base particularly suitable, especially in connection with colloidal clay, is barium sulphate.
As an illustrated embodiment of this invention, the composition comprises-80% barium sulphate of a fineness so as to pass through 400 mesh and 20% of a concentrated colloidal clay, a typical sample of which has the following analysis Silica 62 43 Alumina 24.64 Iron oxide 3.20 Calcium carbonate 0.41 agnesium carbonate 2.30 Potassium carbonate 0.15 {Sodium carbonate 0.60 Loss on ignition 6.12
Application filed April 29, 1929. Serial No. 359,177.
The physical analysis of such a sample is as follows:
The barium sulphate and the colloidal clay are mixed dry and can be retained as a dry mixture until ready for use. They can, however, be made into a paste by adding 20% of water and thoroughly mixing the same.
hen it is desired to use it for machining operations, the paste has added thereto about 100% of water. The barium sulphate not only acts as a lubricant, but also absorbs heat and, therefore, tends to keep the cutting elements as well as the work cool. The colloidal clay not only acts as a lubricant and as a soap, but performs the important function of keeping the barium sulphate in suspension.
While the composition embodying this invention is particularly applicable as a lubricating composition for machine operations, it will be understood that it is applicable to other uses in this art. It will, furthermore, be understood that certain features are of utility and may be employed without reference to other features; that is contemplated by and is within the scope of the appended claims. It will, furthermore, be understood that various changes may be made in the proportions and ingredients of the composition within the scope of the appended claims without departing from the spirit of this invention. It is, therefore, to be understood that this invention is not to be limited to the specific details described.
Having thus described the invention, what is claimed is:
1. A lubricating composition base for machining operations, consisting of 80 barium sulphate and 20% colloidal clay.
2. A lubricating composition for machining operations consisting of an aqueous suspension of barium sulphate and concentrated colloidal clay.
3. A lubricating paste composition for machining operations consisting of finely divided barium sulphate as a heat absorbing material, and concentrated colloidal clay of the character described as a soapy suspending agent.
In testimony whereof I aflix my signature this 5th day of April, 1929.
PHILIP E. HARTH.
US359177A 1929-04-29 1929-04-29 Lubricating composition for machining operations Expired - Lifetime US1881542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US359177A US1881542A (en) 1929-04-29 1929-04-29 Lubricating composition for machining operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359177A US1881542A (en) 1929-04-29 1929-04-29 Lubricating composition for machining operations

Publications (1)

Publication Number Publication Date
US1881542A true US1881542A (en) 1932-10-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717221A (en) * 1950-01-12 1955-09-06 Robert M Christner Metal working method
US3180828A (en) * 1960-12-09 1965-04-27 Slater Ian Griffith Lubricant for use in the hot extrusion of metals and metal alloys

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717221A (en) * 1950-01-12 1955-09-06 Robert M Christner Metal working method
US3180828A (en) * 1960-12-09 1965-04-27 Slater Ian Griffith Lubricant for use in the hot extrusion of metals and metal alloys

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