GB697689A - Improved composition for manufacture of sand cores - Google Patents

Improved composition for manufacture of sand cores

Info

Publication number
GB697689A
GB697689A GB11435/51A GB1143551A GB697689A GB 697689 A GB697689 A GB 697689A GB 11435/51 A GB11435/51 A GB 11435/51A GB 1143551 A GB1143551 A GB 1143551A GB 697689 A GB697689 A GB 697689A
Authority
GB
United Kingdom
Prior art keywords
oil
drying
phenol
added
manufacture
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
GB11435/51A
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.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
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 Standard Oil Development Co filed Critical Standard Oil Development Co
Publication of GB697689A publication Critical patent/GB697689A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2206—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/24—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of oily or fatty substances; of distillation residues therefrom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lubricants (AREA)

Abstract

A core oil comprises a major proportion of drying oil, a hydrocarbon polymer or resin that retains its strength at 350 to 600 DEG F but disintegrates at 1200 to 3600 DEG F, and a viscous mineral oil. The drying oil may comprise linseed or soya bean oil, and the resinous material may be obtained by clay filtering of cracked gasoline. Fish oil, wood rosin or esterified tall oil may be added. Soaps of lead, manganese and cobalt may also be added to accelerate polymerization of the drying oil. The mineral oil should have a viscosity at 210 DEG F of between 100-500 S.U.S., preferably about 200, and may be obtained (A) from crude naphthenic oil by treatment with propane and acid, distilling and dewaxing, (B) by extracting paraffinic lubricating oil with phenol, or (C) by extracting medium viscosity lubricating oil of naphthenic type with phenol. Particular examples of proportions are given.
GB11435/51A 1950-09-14 1951-05-16 Improved composition for manufacture of sand cores Expired GB697689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US697689XA 1950-09-14 1950-09-14

Publications (1)

Publication Number Publication Date
GB697689A true GB697689A (en) 1953-09-30

Family

ID=22091099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11435/51A Expired GB697689A (en) 1950-09-14 1951-05-16 Improved composition for manufacture of sand cores

Country Status (1)

Country Link
GB (1) GB697689A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813035A (en) * 1954-03-12 1957-11-12 Deere & Co Waterless green molding sand
DE1173213B (en) * 1957-04-02 1964-07-02 Raschig Gmbh Dr F Binder for self-solidifying core and molding sands

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813035A (en) * 1954-03-12 1957-11-12 Deere & Co Waterless green molding sand
DE1173213B (en) * 1957-04-02 1964-07-02 Raschig Gmbh Dr F Binder for self-solidifying core and molding sands

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