GB411861A - - Google Patents
Info
- Publication number
- GB411861A GB411861A GB411861DA GB411861A GB 411861 A GB411861 A GB 411861A GB 411861D A GB411861D A GB 411861DA GB 411861 A GB411861 A GB 411861A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- fusible element
- fuse
- boric
- enclosed
- 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
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
Landscapes
- Fuses (AREA)
Abstract
411,861. Fusible cut-outs. HOPE, V., Upton Hall, Macclesfield, Cheshire. Oct. 13, 1932, No. 28519. [Class 38 (i).] A fuse of the type having a fusible element B that bridges two elements A of higher melting point and is enclosed in a powder filled cartridge, has the fusible element coated or surrounded with boric acid or boric anhydride E to act as a flux and to insulate the severed ends of the fuse. The acid used is preferably pyro-boric acid applied in a liquid or plastic state by dipping or mould. ing. Where a hollow fuse is employed, such as that described in Specifications 217,625 and 217,626, [both in Class 38 (i)], the fusible element B3, Fig. 14, is coated with the acid E and the interior F is filled with boric anhydride. The coating may be protected with paint or varnish or the acid may be enclosed in a small container constructed so that it can be applied to surround the fusible element.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB411861A true GB411861A (en) | 1900-01-01 |
Family
ID=1745917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB411861D Expired GB411861A (en) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB411861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174256A (en) * | 1985-04-17 | 1986-10-29 | Westinghouse Electric Corp | Current-limiting fuse |
-
0
- GB GB411861D patent/GB411861A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174256A (en) * | 1985-04-17 | 1986-10-29 | Westinghouse Electric Corp | Current-limiting fuse |
| GB2174256B (en) * | 1985-04-17 | 1989-07-05 | Westinghouse Electric Corp | Current limiting fuse with less inverse time-current characteristic |
| AU592332B2 (en) * | 1985-04-17 | 1990-01-11 | Westinghouse Electric Corporation | Current limiting fuse with less inverse time-current characteristic |
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