GB1361027A - Manufacture of foundry moulds or cores - Google Patents
Manufacture of foundry moulds or coresInfo
- Publication number
- GB1361027A GB1361027A GB3136571A GB3136571A GB1361027A GB 1361027 A GB1361027 A GB 1361027A GB 3136571 A GB3136571 A GB 3136571A GB 3136571 A GB3136571 A GB 3136571A GB 1361027 A GB1361027 A GB 1361027A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- sulphonate
- sand
- mixture
- isopropylbenzene
- 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
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
- B22C1/18—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 inorganic agents
- B22C1/186—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 inorganic agents contaming ammonium or metal silicates, silica sols
- B22C1/188—Alkali metal silicates
-
- 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
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
Abstract
1361027 Producing foundry moulds CENTRE TECHNIQUE DES INDUSTRIES DE LA FONDERIE WENDEL-SIDELOR and INDUSTRIES CHIMIQUES DE VOREPPE 5 July 1971 [7 July 1970] 31365/71 Heading C3N A method for producing foundry moulds and cores having a high mechanical resistance comprises mixing a liquid, a refractory sand, an alkali metal silicate as a binding agent, either a blast furnace slag, a ferro-chromium slag or a cement as setting agent which reacts with the binding agent without evolution of gas and a surface active agent to form a self-hardening liquid sand and pouring this liquid into a mould, wherein the surface active agent used produces a foam which begins to subside before the sand begins to set and is at least one compound whose aqueous solutions fulfil the two following experimental criteria, (a) they have a section of stretching of the sheet of maximum length, for molar concentrations of the surface active agent of between M/5 and M/50; and (2) they give a foam whose volume is reduced by at least half in 5 minutes for a molar concentration of M/20. The method of evaluating criteria (a) is described. The density of the sand may be increased still more by applying to the sand pressure and/or repeated mechanical stresses by vibrations and agitation between the time when the sand becomes permeable and the time when it begins to set. The surface active agent may be a mixture of two or more alkylbenzene sulphonates of formula (1) wherein Me represents alkali metal or HX (X being an amine), and R 1 , R 2 , R 3 each represents an atom of hydrogen or a linear or branched alkyl group (C 1 -C 6 ) used in the amount 0À005-2% by weight based on the total weight of the liquid sand. Alternatively there may be used an alkylbenzene sulphonate of formula (I) used alone wherein R 1 is hydrogen, R 2 is hydrogen or alkyl (C 2 , C 3 or C 6 ), and R 3 is alkyl (C 2 , C 3 , C 6 ). The sand may be silica sand. Specific examples refer to the use of (a) blast furnace slag and either:-sodium mono-isopropylbenzene sulphonate (1), sodium di-isopropylbenzene sulphonate (2), a mixture of sodium mono-isopropylbenzene sulphonate and sodium di-isopropylbenzene sulphonate (3), a mixture of sodium di-isopropylbenzene sulphonate and potassium p-toluene sulphonate (4), a mixture of sodium tri-isopropylbenzene sulphonate and potassium p-toluene sulponate (5), sodium diethylbenzenesulphonate (6), sodium p-propylbenzene sulphonate (7), sodium n-hexylbenzene sulphonate (8); a mixture of sodium n-butylbenzene sulphonate and potassium p-toluene sulphonate (9), sodium octyl sulphate (10), a mixture of sodium octyl sulphate and sodium benzene sulphonate (11), a mixture of sodium mono-isopropylbenzene sulphonate, sodium diisopropylbenzene sulphonate and potassium p-toluene sulphonate (12); (b) ferro-chromium slag and a mixture of sodium di-isopropylbenzene sulphonate and sodium mono-isopropylbenzene sulphonate (13); and (c) Portland cement and sodium di-ethylbenzene sulphonate. Example 15 refers to a composition comprising new and regenerated sand, blast furnace slag, sodium silicate, and a mixture of sodium diisopropyl benzene sulphonate, sodium di-ethyl benzene sulphonate and potassium p-toluene sulphonate.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7025201A FR2096863B1 (en) | 1970-07-07 | 1970-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1361027A true GB1361027A (en) | 1974-07-24 |
Family
ID=9058411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3136571A Expired GB1361027A (en) | 1970-07-07 | 1971-07-05 | Manufacture of foundry moulds or cores |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE769542A (en) |
CA (1) | CA980084A (en) |
DE (1) | DE2133585C3 (en) |
FR (1) | FR2096863B1 (en) |
GB (1) | GB1361027A (en) |
IT (1) | IT939309B (en) |
LU (1) | LU63468A1 (en) |
NL (1) | NL7109384A (en) |
SU (1) | SU535889A3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1661639A1 (en) * | 2003-09-02 | 2006-05-31 | Sintokogio, Ltd. | Method of forming mold and core for metal casting |
EP1721689A1 (en) * | 2004-02-25 | 2006-11-15 | Sintokogio, Ltd. | Process for producing cast item |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2177502B2 (en) * | 1972-03-27 | 1974-12-06 | Ctre Tech Ind Fonderie | |
FR2427862A1 (en) * | 1978-06-08 | 1980-01-04 | Tech Ind Fonderie Centre | Foundry core with complex shape prodn. - involving filling core box with liquid sand mixt. under pressure |
FR2455934A1 (en) * | 1979-05-07 | 1980-12-05 | Schuiling Prod Ballu | PROCESS FOR THE PREPARATION OF AGGLOMERATED SAND AND PRODUCT OBTAINED |
GB9324561D0 (en) * | 1993-11-30 | 1994-01-19 | Borden Uk Ltd | Foundry binder |
US6139619A (en) * | 1996-02-29 | 2000-10-31 | Borden Chemical, Inc. | Binders for cores and molds |
DE69734315T2 (en) | 1996-06-25 | 2006-05-18 | Hexion Speciality Chemicals, Inc., Columbus | BINDER FOR CASTING AND BEADS |
DE102007051850A1 (en) | 2007-10-30 | 2009-05-07 | Ashland-Südchemie-Kernfest GmbH | Molding compound with improved flowability |
RU2528284C1 (en) * | 2013-06-19 | 2014-09-10 | Закрытое акционерное общество "Научно-производственное объединение "Промэкология" | Binder for moulds and cores |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE480742A (en) * | 1946-02-13 | 1948-02-27 | ||
FR1342529A (en) * | 1962-12-18 | 1963-11-08 | Liquid mixture for making cores and molds and method of making the same | |
US3424600A (en) * | 1965-05-26 | 1969-01-28 | Abram Moiseevich Liass | Liquid mixes for foundry cores and moulds and method of manufacturing foundry cores and moulds from same |
FR1441044A (en) * | 1965-07-06 | 1966-06-03 | Ts Nautchno I I Tekhnologh I M | Process for preparing an air-solidifying liquid mixture for making foundry cores and molds and resulting products |
GB1153755A (en) * | 1965-07-08 | 1969-05-29 | Mitsubishi Heavy Ind Ltd | Metal Casting Sand Composition |
GB1193952A (en) * | 1966-06-02 | 1970-06-03 | British Cast Iron Res Ass | Foundry Moulding Materials |
DE1900950A1 (en) * | 1968-01-12 | 1969-07-31 | Ct Sperimentale Metallurg S P | Composition of liquid mixtures for the manufacture of foundry cores and molds and processes for their manufacture |
BE728908A (en) * | 1969-02-25 | 1969-08-25 |
-
1970
- 1970-07-07 FR FR7025201A patent/FR2096863B1/fr not_active Expired
-
1971
- 1971-07-05 IT IT5141071A patent/IT939309B/en active
- 1971-07-05 GB GB3136571A patent/GB1361027A/en not_active Expired
- 1971-07-05 LU LU63468D patent/LU63468A1/xx unknown
- 1971-07-06 DE DE19712133585 patent/DE2133585C3/en not_active Expired
- 1971-07-06 BE BE769542A patent/BE769542A/en not_active IP Right Cessation
- 1971-07-07 NL NL7109384A patent/NL7109384A/xx unknown
- 1971-07-07 CA CA117,578A patent/CA980084A/en not_active Expired
-
1973
- 1973-08-24 SU SU1949746A patent/SU535889A3/en active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1661639A1 (en) * | 2003-09-02 | 2006-05-31 | Sintokogio, Ltd. | Method of forming mold and core for metal casting |
EP1661639A4 (en) * | 2003-09-02 | 2006-09-06 | Sintokogio Ltd | Method of forming mold and core for metal casting |
AU2004270031B2 (en) * | 2003-09-02 | 2009-08-27 | Sintokogio, Ltd. | Method of forming mold and core for metal casting |
US8490677B2 (en) | 2003-09-02 | 2013-07-23 | Sintokogio, Ltd. | Method for forming molds and core for casting metal |
US8528626B2 (en) | 2003-09-02 | 2013-09-10 | Sintokogio, Ltd. | Method for forming molds and a core for casting metal |
EP1721689A1 (en) * | 2004-02-25 | 2006-11-15 | Sintokogio, Ltd. | Process for producing cast item |
EP1721689A4 (en) * | 2004-02-25 | 2007-05-02 | Sintokogio Ltd | Process for producing cast item |
Also Published As
Publication number | Publication date |
---|---|
DE2133585A1 (en) | 1972-01-20 |
SU535889A3 (en) | 1976-11-15 |
DE2133585C3 (en) | 1983-12-15 |
IT939309B (en) | 1973-02-10 |
FR2096863B1 (en) | 1973-02-02 |
NL7109384A (en) | 1972-01-11 |
LU63468A1 (en) | 1971-11-12 |
CA980084A (en) | 1975-12-23 |
BE769542A (en) | 1971-11-16 |
FR2096863A1 (en) | 1972-03-03 |
DE2133585B2 (en) | 1982-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
414F | Notice of opposition given (sect. 14/1949) | ||
414A | Case decided by the comptroller ** specification amended (sect. 14/1949) | ||
49R | Reference inserted (sect. 9/1949) | ||
SPA | Amended specification published | ||
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |