GB777329A - Improvements in or relating to binders for foundry purposes - Google Patents
Improvements in or relating to binders for foundry purposesInfo
- Publication number
- GB777329A GB777329A GB1784153A GB1784153A GB777329A GB 777329 A GB777329 A GB 777329A GB 1784153 A GB1784153 A GB 1784153A GB 1784153 A GB1784153 A GB 1784153A GB 777329 A GB777329 A GB 777329A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sand
- parts
- binder
- volume
- soot
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The core-sand compositions of the parent Specification comprising sand and, as a binder therefor, a powder comprising a cellulose derivative and a resinous component, are used as mould-sand compositions, optionally after admixture with a minor proportion of soot. The methods of preparing the binder and of mixing it with the sand are the same as indicated in the parent Specification. From 1 to 8 parts by volume of the binder are used to 100 parts by volume of sand, together with sufficient water to adjust the moisture content of the mix to about 3 to 7 per cent. Usually 5 to 15 parts of soot per 100 parts by volume of sand are also added. In the example, 70 parts by weight of a powdered water-soluble ethyl hydroxyethyl cellulose are mixed with 30 parts by weight of a powdered melamine resin, and 100 litres of sand are mixed with 1.5 kgs. of binder and 10 litres of coal soot. Thereupon sufficient water is incorporated in the mix to raise its moisture content to 4 to 6 per cent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1784153A GB777329A (en) | 1953-06-26 | 1953-06-26 | Improvements in or relating to binders for foundry purposes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1784153A GB777329A (en) | 1953-06-26 | 1953-06-26 | Improvements in or relating to binders for foundry purposes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB777329A true GB777329A (en) | 1957-06-19 |
Family
ID=10102157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1784153A Expired GB777329A (en) | 1953-06-26 | 1953-06-26 | Improvements in or relating to binders for foundry purposes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB777329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482654A (en) * | 1980-04-11 | 1984-11-13 | Daicel Chemical Industries, Ltd. | Binder coated foundry sand grains |
-
1953
- 1953-06-26 GB GB1784153A patent/GB777329A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482654A (en) * | 1980-04-11 | 1984-11-13 | Daicel Chemical Industries, Ltd. | Binder coated foundry sand grains |
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