GB528114A - Improvements in and relating to the manufacture of light metal cartridge cases - Google Patents
Improvements in and relating to the manufacture of light metal cartridge casesInfo
- Publication number
- GB528114A GB528114A GB11264/39A GB1126439A GB528114A GB 528114 A GB528114 A GB 528114A GB 11264/39 A GB11264/39 A GB 11264/39A GB 1126439 A GB1126439 A GB 1126439A GB 528114 A GB528114 A GB 528114A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- cartridge cases
- relating
- manufacture
- april
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
528,114. Ammunition cartridges. ALUMINIUM-INDUSTRIE-AKT.-GES. April 13, 1939, No. 11264. Convention date, April 13, 1938. [Class 9 (i)] Cartridge cases of aluminium alloy are provided, at least on the outside, with a protective coating of incombustible and substantially infusible inorganic aluminium compound which is produced, as by anodic treatment, at the expense of the metal of the case. The coating has a minimum thickness of 40Á, and protects the metal of the case against " burning " if gas escapes through a crack. Oxide, fluoride, phosphate and silicate coatings are applicable by the anodic treatment; and if the basic alloy is difficult to treat by this method, it may be first plated with pure aluminium or with an aluminium alloy which can be oxidised by electric treatment. Specification 455,761 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH528114X | 1938-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB528114A true GB528114A (en) | 1940-10-23 |
Family
ID=4518302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11264/39A Expired GB528114A (en) | 1938-04-13 | 1939-04-13 | Improvements in and relating to the manufacture of light metal cartridge cases |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB528114A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2919647A (en) * | 1953-05-25 | 1960-01-05 | Olin Mathieson | Ammunition |
| US3048105A (en) * | 1957-09-03 | 1962-08-07 | Press & Stanzwerk A G | Aluminum alloy cartridge case |
-
1939
- 1939-04-13 GB GB11264/39A patent/GB528114A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2919647A (en) * | 1953-05-25 | 1960-01-05 | Olin Mathieson | Ammunition |
| US3048105A (en) * | 1957-09-03 | 1962-08-07 | Press & Stanzwerk A G | Aluminum alloy cartridge case |
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