GB1244639A - Method of making fluid self-hardening mixture, preferably for manufacturing foundry moulds and cores - Google Patents
Method of making fluid self-hardening mixture, preferably for manufacturing foundry moulds and coresInfo
- Publication number
- GB1244639A GB1244639A GB4292568A GB4292568A GB1244639A GB 1244639 A GB1244639 A GB 1244639A GB 4292568 A GB4292568 A GB 4292568A GB 4292568 A GB4292568 A GB 4292568A GB 1244639 A GB1244639 A GB 1244639A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salt
- hardening
- filler
- cores
- foaming agent
- 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
- B22C1/02—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
- B22C1/10—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 for influencing the hardening tendency of the mould material
-
- 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
- B22C1/16—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
1,244,639. Foundry mould compositions. TSENTRALNY NAUCHNO - ISSLEDOVATELSKY INSTITUT TEKHNOLOGII MASHINOSTROENIA. 10 Sept., 1968, No. 42925/68. Heading C3N. A self-hardening composition comprises a particulate filler, aqueous sodium or potassium silicate, a hardening agent containing dicalcium silicate, an anionic or non-ionic foaming agent water, and abietic resin or a salt thereof, e.g. the sodium salt. The filler may be quartz sand. The hardening agent may be slag from ferrochrome production. The foaming agent may be an alkyl sulphate, an alkylaryl sulphonate, or a polyoxyethylene condensate. These may be present by weight 85-90% filler, 5-6% silicate solution which may have s.g. 1À48 and modulus 2À7, 4-5% hardening agent, 0À01-0À1% foaming agent, and 0À1-1À0% resin or salt, which may be added as a solid or as an alkaline solution of the resin containing 10-15% weight of the salt. The mixture may be used for making foundry cores and moulds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4292568A GB1244639A (en) | 1968-09-10 | 1968-09-10 | Method of making fluid self-hardening mixture, preferably for manufacturing foundry moulds and cores |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4292568A GB1244639A (en) | 1968-09-10 | 1968-09-10 | Method of making fluid self-hardening mixture, preferably for manufacturing foundry moulds and cores |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1244639A true GB1244639A (en) | 1971-09-02 |
Family
ID=10426579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4292568A Expired GB1244639A (en) | 1968-09-10 | 1968-09-10 | Method of making fluid self-hardening mixture, preferably for manufacturing foundry moulds and cores |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1244639A (en) |
-
1968
- 1968-09-10 GB GB4292568A patent/GB1244639A/en not_active Expired
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