GB632188A - Improvements in or relating to methods of casting and apparatus therefor - Google Patents
Improvements in or relating to methods of casting and apparatus thereforInfo
- Publication number
- GB632188A GB632188A GB3742146A GB3742146A GB632188A GB 632188 A GB632188 A GB 632188A GB 3742146 A GB3742146 A GB 3742146A GB 3742146 A GB3742146 A GB 3742146A GB 632188 A GB632188 A GB 632188A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- wax
- wall
- flask
- casting
- 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
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
632,188. Making moulds for casting metal. McHARG, C. Dec. 19, 1946, No. 37421. [Class 87 (ii)] [Also in Group XXII] In making moulds for casting turbine blades or other articles by the " lost-wax " process, the investment is removed from the flask before baking and, to enable this to be done, the base 13, Fig. 4, of the flask may be sparable from the wall 15. Both of these parts may be lined with wax and, after connecting together by hooks 14 and lugs 16, the joint may be sealed with wax. After investing, closing with a lid 18, Fig. 3, vibrating, e.g. by striking and pouring off any liquid, the investing mass 20, Fig. 4, is rigid enough to allow the wall 15 to be removed. The mass 20 is then dried, baked and lifted from the base 13. Aluminium or other light metal alloy may be used for making the flask. In a modification the wall 15 is divided longitudinally to facilitate removal. The investment may consist of 20 lbs. of solid, e.g. high alumina grog 72.5 per cent, silica flour 27.4 and magnesium oxide 0.1, and 0.6 gallons of liquid, e.g. methylated spirit 67 per cent, ethyl silicate 27, water 5 and 7.5 per cent solution of hydrochloric acid 1 per cent. The chemical analysis of the grog is SiO 2 50.60 per cent, AI 2 O, 41.36, CoO 0.35, Fe 2 O 3 6.56 and undetermined residue 1.13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3742146A GB632188A (en) | 1946-12-19 | 1946-12-19 | Improvements in or relating to methods of casting and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3742146A GB632188A (en) | 1946-12-19 | 1946-12-19 | Improvements in or relating to methods of casting and apparatus therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB632188A true GB632188A (en) | 1949-11-17 |
Family
ID=10396361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3742146A Expired GB632188A (en) | 1946-12-19 | 1946-12-19 | Improvements in or relating to methods of casting and apparatus therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB632188A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540015A1 (en) * | 1983-01-27 | 1984-08-03 | Gliksztein Arnaud | Lost-wax moulding method and elements for implementing it |
-
1946
- 1946-12-19 GB GB3742146A patent/GB632188A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540015A1 (en) * | 1983-01-27 | 1984-08-03 | Gliksztein Arnaud | Lost-wax moulding method and elements for implementing it |
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