GB475541A - Improvements in or relating to the casting of easily oxidizable metals - Google Patents
Improvements in or relating to the casting of easily oxidizable metalsInfo
- Publication number
- GB475541A GB475541A GB4338/37A GB433837A GB475541A GB 475541 A GB475541 A GB 475541A GB 4338/37 A GB4338/37 A GB 4338/37A GB 433837 A GB433837 A GB 433837A GB 475541 A GB475541 A GB 475541A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- cylinder
- cover
- casting
- fluid operated
- 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
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
475,541. Casting-machines. WAGNER, K. F. Feb. 13, 1937, No. 4338. Convention date, Feb. 13, 1936. [Class 83 (i)] A device for feeding a measured charge of magnesium, zinc, aluminium, or other easily oxidizable metal to the pressure cylinder 21 of a casting-machine is arranged to do this without contact with the air. The crucible 2, which may be partially exhausted, is surrounded by a furnace 1 and has a cover 7 with a chamber 24, Fig. 2, containing boxes 26 of carnallite or the like which evolves a protective gas. A perforated cylinder 3, submerged in the molten magnesium 5, has a plunger 9 moved, through a distance adjustable by nuts 16, by a fluid operated piston 12<1> to force a measured charge into the passage 6. This charge is then delivered to cylinder 21, closed by a cover 31 operated by a piston 33<1>, by a fluid operated plunger 18. The fluid operated plunger 29 then forces the metal into the mould 34 while the plunger 9 returns to the position shown. The cover 31 and plunger 18 are then returned and the residue ejected from the cylinder 21. All the movements may be under one automatic control. The crucible 2 and cylinder 21 may be partly exhausted and supplied with gas poor in oxygen and nitrogen or interconnected. In a modification, the cover 31 is stationary and has a closable opening for ejection of the residue.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE475541X | 1936-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB475541A true GB475541A (en) | 1937-11-22 |
Family
ID=6541866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4338/37A Expired GB475541A (en) | 1936-02-13 | 1937-02-13 | Improvements in or relating to the casting of easily oxidizable metals |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB475541A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443628A (en) * | 1966-08-31 | 1969-05-13 | Irving A Carr | Pressure diecasting apparatus and method |
| US3976118A (en) * | 1971-06-08 | 1976-08-24 | Friedhelm Kahn | Method for casting material under pressure |
| WO1984000017A1 (en) * | 1982-06-17 | 1984-01-05 | Verner Dahl Hansen | A method of casting metallic articles |
-
1937
- 1937-02-13 GB GB4338/37A patent/GB475541A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443628A (en) * | 1966-08-31 | 1969-05-13 | Irving A Carr | Pressure diecasting apparatus and method |
| US3976118A (en) * | 1971-06-08 | 1976-08-24 | Friedhelm Kahn | Method for casting material under pressure |
| WO1984000017A1 (en) * | 1982-06-17 | 1984-01-05 | Verner Dahl Hansen | A method of casting metallic articles |
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