GB671725A - Improvements relating to electrical heating devices - Google Patents
Improvements relating to electrical heating devicesInfo
- Publication number
- GB671725A GB671725A GB3359/50A GB335950A GB671725A GB 671725 A GB671725 A GB 671725A GB 3359/50 A GB3359/50 A GB 3359/50A GB 335950 A GB335950 A GB 335950A GB 671725 A GB671725 A GB 671725A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panel
- metal
- wire
- flat
- feb
- 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
- 238000010438 heat treatment Methods 0.000 title 1
- 239000002184 metal Substances 0.000 abstract 7
- 239000011810 insulating material Substances 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
Classifications
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
Landscapes
- Central Heating Systems (AREA)
- Surface Heating Bodies (AREA)
Abstract
671,725. Couplings. BRITISH THOMSONHOUSTON CO., Ltd. Feb. 9, 1950 [Feb. 28, 1949], No. 3359/50. Class 38 (i). [Also in Group XI]. In an electric heating panel comprising a grid of resistance wire 23, sealed .between sheets 32 of insulating material bonded together by plastic and having outer metal layers 33, one metal layer is cut away at one. end 43 and a small sheet 44 of insulating material is inserted. L-shaped metal strips 41 attached to the ends of the resistance wire 23 are inserted up through slots 45 and bent down into adjacent slots 46, leaving flat contact surfaces 50 at the level of the outer surface of the panel. In metal channels 53 attached to the.panel 4 by earthing screws are insulated supply wires 73 projecting into parallel insulating channels 60 of a terminal box 55 screwed at 56 to the insulated part 44 of the panel 4. Each channel 60 has a metal pin with a flat surface 79 bearing on a flat panel contact 50. The flat surface 79 is connected by a metal strip 80 to a spike 81 which pierces the insulation of the supply wire and contacts the wire to complete the circuit when the terminal box is screwed on to the panel. The strips 80 may be of metal which readily melts to form a fuse.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US671725XA | 1949-02-28 | 1949-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB671725A true GB671725A (en) | 1952-05-07 |
Family
ID=22074180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3359/50A Expired GB671725A (en) | 1949-02-28 | 1950-02-09 | Improvements relating to electrical heating devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB671725A (en) |
-
1950
- 1950-02-09 GB GB3359/50A patent/GB671725A/en not_active Expired
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