US980888A - Composition for patterns. - Google Patents
Composition for patterns. Download PDFInfo
- Publication number
- US980888A US980888A US56507810A US1910565078A US980888A US 980888 A US980888 A US 980888A US 56507810 A US56507810 A US 56507810A US 1910565078 A US1910565078 A US 1910565078A US 980888 A US980888 A US 980888A
- Authority
- US
- United States
- Prior art keywords
- composition
- patterns
- mold
- pattern
- alum
- 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 - Lifetime
Links
- 239000000203 mixture Substances 0.000 title description 13
- 229940037003 alum Drugs 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 3
- 239000011507 gypsum plaster Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008262 pumice Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KDKJYYNXYAZPIK-UHFFFAOYSA-J aluminum potassium disulfate hydrate Chemical compound O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KDKJYYNXYAZPIK-UHFFFAOYSA-J 0.000 description 2
- 241000501754 Astronotus ocellatus Species 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Definitions
- My invention relates to the reproduction or castingof copies of models.
- the artistic reproduction of original modeling in high relief in the fine arts or in the decorative arts it is especially adapted.
- the invention may be applied to the ordinary run of commercial foundry work, although it is believed to be more especially desirable where the model has deep lines and undercut portions.
- a composition for patterns comprising untenacious friable material mixed with alum water.
- a composition for patterns comprising pumice, plaster of paris, and a solution of alum in water.
- a composition for patterns comprising pulverized pumice, plaster of paris, and a solution of alum water.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Cosmetics (AREA)
Description
UNITED STATES PATENT OFFICE.
OSCAR NYGREN, OF MASPETH, NEW YORK, ASSIGNOR TO RICHEY, BROWNE & DONALD, OF MASPETH, NEW YORK.
COMPOSITION FOR PATTERNS.
Specification of Letters Patent.
Patented Jan. 3, 1911.
No Drawing. Application filed April 12, 1906, Serial No. 311,392. Renewed June 4, 1910. Serial No. 565,078.
To all whom it may concern:
Be it known that I, OSCAR NYGREN, a citizen of the United States, residing at Maspeth, in the borough of Queens and State of New York, have invented a new and useful Improvement in Composition for Patterns, of which the following is a specification.
My invention relates to the reproduction or castingof copies of models. In the artistic reproduction of original modeling in high relief in the fine arts or in the decorative arts, it is especially adapted. In addition the invention may be applied to the ordinary run of commercial foundry work, although it is believed to be more especially desirable where the model has deep lines and undercut portions.
The improvements deal with the original invention of Richard B. Browne for surface-hardened, untenacious patterns which are disintegrated or blown away from the mold after the mold has been baked or set. In reproducing a casting under the Browne method, where the original model, for example, has deep and numerous undercut portions extending at various angles and curves, a soft plastic mold (say a glue mold) is first made. This mold, owing to its elasticity, can be drawn intact as a whole from the undercut parts of themodel. Into this elastic mold is then placed a friable, untenacious, or rotten composition in a wet state, which forms the pattern. After this pattern composition has set the elastic mold is drawn away and the pattern stands, say for a day or two, to dry. It is then coated with a few coats of shellac or other similar substance for the purpose of surface-hardening the pattern and preventing any oil which may be in the molding sand from impregnating and unduly hardening the pattern composition. I have found that by the addition of alum to the water, in which the friable pattern composition is mixed, that its friability or property of disintegrating is increased materially.
In the process as carried out by Mr. Browne he has found that various compositions possess, upon drying, this characteris tic of rottenness or easy crumbling. He has used a composition'of pumice stone and plaster of paris, for example, with good results. The alum added to the water with which such a composition is mixed gives very good results, especially in baked sand molding after the baking process.
IVhat I claim is:
1. A composition for patterns comprising untenacious friable material mixed with alum water. i
2. A composition for patterns comprising pumice, plaster of paris, and a solution of alum in water.
3. A composition for patterns comprising pulverized pumice, plaster of paris, and a solution of alum water.
OSCAR NYGREN.
Witnesses:
J. D. Hose, F. ARUNDEL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56507810A US980888A (en) | 1910-06-04 | 1910-06-04 | Composition for patterns. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56507810A US980888A (en) | 1910-06-04 | 1910-06-04 | Composition for patterns. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US980888A true US980888A (en) | 1911-01-03 |
Family
ID=3049255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US56507810A Expired - Lifetime US980888A (en) | 1910-06-04 | 1910-06-04 | Composition for patterns. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US980888A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639478A (en) * | 1949-12-16 | 1953-05-26 | United States Gypsum Co | Process of preparing patterns |
| US3364039A (en) * | 1964-06-08 | 1968-01-16 | William C. Tambussi | Molding composition and method of use |
-
1910
- 1910-06-04 US US56507810A patent/US980888A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639478A (en) * | 1949-12-16 | 1953-05-26 | United States Gypsum Co | Process of preparing patterns |
| US3364039A (en) * | 1964-06-08 | 1968-01-16 | William C. Tambussi | Molding composition and method of use |
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