CA2174751A1 - Heat-cured foundry binders and their use - Google Patents
Heat-cured foundry binders and their useInfo
- Publication number
- CA2174751A1 CA2174751A1 CA002174751A CA2174751A CA2174751A1 CA 2174751 A1 CA2174751 A1 CA 2174751A1 CA 002174751 A CA002174751 A CA 002174751A CA 2174751 A CA2174751 A CA 2174751A CA 2174751 A1 CA2174751 A1 CA 2174751A1
- Authority
- CA
- Canada
- Prior art keywords
- heat
- source
- cured foundry
- foundry binders
- alumina
- 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.)
- Granted
Links
Landscapes
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
This invention relates to heat-cured foundry binders comprising in admixture (1) a source of soluble silica, and (2) a source of soluble alumina, such that the source of silica, source of alumina, or both contain an alkali metal. The binder components form a saturated solution when they are mixed with an aggregate. The resulting mix is shaped and heated at an elevated temperature to form a cured foundry shape.
Heat is applied by warm air with warm-box equipment, baking in an oven, microwave, and preferably from hot-box equipment.
Heat is applied by warm air with warm-box equipment, baking in an oven, microwave, and preferably from hot-box equipment.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/144,237 US5417751A (en) | 1993-10-27 | 1993-10-27 | Heat cured foundry binders and their use |
US08/144,237 | 1993-10-27 | ||
PCT/US1994/012180 WO1995011787A1 (en) | 1993-10-27 | 1994-10-24 | Heat-cured foundry binders and their use |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2174751A1 true CA2174751A1 (en) | 1995-05-04 |
CA2174751C CA2174751C (en) | 2005-12-20 |
Family
ID=35645809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002174751A Expired - Fee Related CA2174751C (en) | 1993-10-27 | 1994-10-24 | Heat-cured foundry binders and their use |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2174751C (en) |
-
1994
- 1994-10-24 CA CA002174751A patent/CA2174751C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2174751C (en) | 2005-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20131024 |