GB362090A - - Google Patents

Info

Publication number
GB362090A
GB362090A GB30903/30A GB3090330A GB362090A GB 362090 A GB362090 A GB 362090A GB 30903/30 A GB30903/30 A GB 30903/30A GB 3090330 A GB3090330 A GB 3090330A GB 362090 A GB362090 A GB 362090A
Authority
GB
United Kingdom
Prior art keywords
binder
alcohol
oil
acid
class
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
GB30903/30A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB362090A publication Critical patent/GB362090A/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
    • B22C1/2233—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Ceramic Products (AREA)

Abstract

362,090. Mould and core materials. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Earl, R. ; 1003, Parkway, Utica, New York, U.S.A.) Oct. 15, 1930, No. 30903. Convention date, Jan. 17. [Class 83 (i).] Cores and moulds are made of a finely-divided refractory material, a resinous condensation product being employed as binder. A suitable binder comprises a resin of the alkyd class, formed by the combination of a polyhydric alcohol and a polybasic acid, such as glycerine and phthalic acid or its anhydride, together with monobasic acids derived from linseed, castor, or other vegetable oils, to which a vegetable oil such as chinawood oil may be added. The alcohol and acid may in part be replaced by any other polyhydric or monohydric alcohol, such as glycol, and a natural resin, respectively. Other methods of preparing the binder are by associating a vegetable oil with an alkyd resin, or by replacing the drying oil acid of the composition of Specification 284,349, [Class 95, Paints &c.], in part by chinawood oil, and by rosin. Suitable solvents are naphtha, toluol, acetone, denatured alcohol, or a mixture of equal proportions of kerosene and coal tar distillates containing toluol, xylol, naphtha, and some tar and naphthalene. A cereal binder such as flour, or that sold under the registered Trade Mark " Mogul " may be added. A suitable material such as sand, zirconia, or alumina is mixed with the binder and baked at 350‹ F. to drive off the solvent. A facing of silica sand, prefired graphite, or fine carbon bonded with clay may be applied to the core by spraying a suspension thereof in a solution of an alkyd resin on the surface, or otherwise. Previously used sand may be employed in making the mould.
GB30903/30A 1930-01-17 1930-10-15 Expired GB362090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US362090TA 1930-01-17 1930-01-17

Publications (1)

Publication Number Publication Date
GB362090A true GB362090A (en) 1931-12-03

Family

ID=31946127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30903/30A Expired GB362090A (en) 1930-01-17 1930-10-15

Country Status (1)

Country Link
GB (1) GB362090A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741769C (en) * 1939-01-20 1943-11-17 Dr Otto Mauermann Mass for the production of solidification cores
US2501297A (en) * 1947-05-31 1950-03-21 Whitehead Bros Co Synthetic foundry sands
DE860997C (en) * 1939-02-10 1952-12-29 Huettenes K G Geb Process for the production of self-setting core binders
FR2092913A1 (en) * 1970-06-30 1972-01-28 Commissariat Energie Atomique Casting moulds for uranium prodn - by coating pattern with resin and refractory oxide
EP1500446A2 (en) * 2003-07-21 2005-01-26 DaimlerChrysler AG Reinforced foundry cores for metal casting, method and use

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741769C (en) * 1939-01-20 1943-11-17 Dr Otto Mauermann Mass for the production of solidification cores
DE860997C (en) * 1939-02-10 1952-12-29 Huettenes K G Geb Process for the production of self-setting core binders
US2501297A (en) * 1947-05-31 1950-03-21 Whitehead Bros Co Synthetic foundry sands
FR2092913A1 (en) * 1970-06-30 1972-01-28 Commissariat Energie Atomique Casting moulds for uranium prodn - by coating pattern with resin and refractory oxide
EP1500446A2 (en) * 2003-07-21 2005-01-26 DaimlerChrysler AG Reinforced foundry cores for metal casting, method and use
EP1500446A3 (en) * 2003-07-21 2005-09-28 DaimlerChrysler AG Reinforced foundry cores for metal casting, method and use

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