GB158363A - Improvements in and relating to electric resistance units - Google Patents
Improvements in and relating to electric resistance unitsInfo
- Publication number
- GB158363A GB158363A GB2715119A GB2715119A GB158363A GB 158363 A GB158363 A GB 158363A GB 2715119 A GB2715119 A GB 2715119A GB 2715119 A GB2715119 A GB 2715119A GB 158363 A GB158363 A GB 158363A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support
- insulating
- washer
- sheath
- wire
- 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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
Landscapes
- Resistance Heating (AREA)
Abstract
158,363. British Thomson - Houston Co., Ltd., (General Electric Co.). Nov. 4. 1919. Wire and ribbon resistances, embedded and encased.-A heating-element consists of a wire 1 wound on but insulated from a metal support 10 which is enclosed in a metal sheath 17 filled with powdered insulating-material, the diameter of the sheath being reduced and the insulating-material compacted by swaging or rolling. The turns of the wire may be in contact with one another when first wound, as shown in Figs. 4 and 5, the turns being subsequently separated and the insulating- material being forced between them by the rolling process as shown in Fig. 6. The element is made by first covering the support 10 with powdered insulating-material such as magnesium oxide moistened with a solution of sodium silicate, the support being placed in a two-part mould and the insulating-material being forced into the mould round the support by means of a die. The mould is then opened and the support removed and dried. The support is formed with a shoulder 11, and a metal ferrule 14 is secured to the insulating-material while in the mould, the completed support and insulating-material and wire wound thereon being shown in Fig. 4. A ring 16 holds the wire in position at the lower end. The support is then enclosed in the sheath 17, which is closed at the bottom by a washer 18 insulated from the core. The sheath is then filled with powdered material such as dry magnesium oxide and the upper end temporarily closed by a washer 19. The whole is then subjected to a reducing process such as swaging or rolling, and the upper end of the sheath is cut off to remove the washer 19. A steel washer 20 is then placed over and in contact with the sleeve 14 and a second washer 22 is placed over the core 10 as shown in Fig. 6, the two washers being provided with terminals 21, 25, the terminal 21 passing through a slot 23 in the washer 22. The core 10 is riveted over as shown at 24 to hold the whole together. Specification 144,767 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2715119A GB158363A (en) | 1919-11-04 | 1919-11-04 | Improvements in and relating to electric resistance units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2715119A GB158363A (en) | 1919-11-04 | 1919-11-04 | Improvements in and relating to electric resistance units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB158363A true GB158363A (en) | 1921-02-04 |
Family
ID=10255033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2715119A Expired GB158363A (en) | 1919-11-04 | 1919-11-04 | Improvements in and relating to electric resistance units |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB158363A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1686261A1 (en) | 2003-11-17 | 2006-08-02 | Yanmar Co., Ltd. | Exhaust manifold for internal combustion engine |
-
1919
- 1919-11-04 GB GB2715119A patent/GB158363A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1686261A1 (en) | 2003-11-17 | 2006-08-02 | Yanmar Co., Ltd. | Exhaust manifold for internal combustion engine |
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