GB486217A - Improvements in electric fuse elements - Google Patents
Improvements in electric fuse elementsInfo
- Publication number
- GB486217A GB486217A GB146137A GB146137A GB486217A GB 486217 A GB486217 A GB 486217A GB 146137 A GB146137 A GB 146137A GB 146137 A GB146137 A GB 146137A GB 486217 A GB486217 A GB 486217A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copper
- magnesium
- junction
- coating
- fuse
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/06—Fusible members characterised by the fusible material
Landscapes
- Fuses (AREA)
Abstract
486,217. Fusible cut-outs ; couplings. LENK, H., and GRUNWALD. E. Jan. 18, 1937, No. 1461. [Class 38 (i)] [Also in Group XXII] A connection between a fuse wire of magnesium or its alloys and a copper or like conductor is effected by using magnesium to contact with the similar metal and copper &c. to contact with the conductor, the junction between the magnesium and copper &c. being of a character to exclude air produced, e.g. by rolling, welding, or a coating process. Air may be excluded from the junction by a coating of paint or varnish. The attachment of copper contacts to a fuse of magnesium is shown in Figs. 7b, 8b wherein the fuse wire 1 is gripped between plates 13 of magnesium coated with copper 14. A coating 12 of paint or varnish seals the ends of the bimetallic junction and may also seal the junction laterally, Fig. 7b, or an extension of the copper coating may form the seal. The fuse wire may be completely or partially coated with silver or copper and a central coated portion may carry a bead of readily fusible solder. End caps 6, Fig. 5, of magnesium enclosed in copper 7 may be applied to the fuse 1. An intermediate layer of aluminium, zinc, cadmium, or iron may be applied between the magnesium &c. and the copper.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL47743D NL47743C (en) | 1937-01-18 | ||
| GB146137A GB486217A (en) | 1937-01-18 | 1937-01-18 | Improvements in electric fuse elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB146137A GB486217A (en) | 1937-01-18 | 1937-01-18 | Improvements in electric fuse elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB486217A true GB486217A (en) | 1938-06-01 |
Family
ID=9722370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB146137A Expired GB486217A (en) | 1937-01-18 | 1937-01-18 | Improvements in electric fuse elements |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB486217A (en) |
| NL (1) | NL47743C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3430303A (en) * | 1966-08-11 | 1969-03-04 | Donald E Perrin | Lace wind |
-
0
- NL NL47743D patent/NL47743C/xx active
-
1937
- 1937-01-18 GB GB146137A patent/GB486217A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL47743C (en) |
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