GB860196A - Electrical resistance heating elements - Google Patents
Electrical resistance heating elementsInfo
- Publication number
- GB860196A GB860196A GB1358257A GB1358257A GB860196A GB 860196 A GB860196 A GB 860196A GB 1358257 A GB1358257 A GB 1358257A GB 1358257 A GB1358257 A GB 1358257A GB 860196 A GB860196 A GB 860196A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grams
- resin
- mixture
- toluene
- graphite
- 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
- 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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
- H05B3/30—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
A graphite-resin mixture used as a resistor in an electric heater (see Group XI) comprises a mixture of 30 grams of graphite particles with 20 grams of phenylmethylpolysiloxane resin and 100 grams of toluene with a catalyst comprising 10 parts by weight of diethanolamine titanate, 20 parts of xylene and 20 parts of an ethylene glycol ether, 1 gram of catalyst being added to 15 grams of the graphite-resin mixture. This mixture is sprayed on to a glass cloth and after drying in air is cured for 30 minutes at 80-100 DEG C. An insulating layer sprayed on to each side of the heater comprises a mixture of the same silicone resin with an equal part of toluene, four grams of this mixture being added to one gram of the same catalyst. A heat-resisting base is then applied to one side and comprises 60 grams of the same silicone resin with 60 grams of toluene, 30 grams of perlite and 30 grams of the same catalyst. The resin and toluene are stirred into the perlite to form a damp powder. The layers are built up in a square mould and after curing at 120-150 DEG C. for four hours and cooling, the article is removed as a complete tile. The graphite-resin layer may be insulated between two layers of an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1358257A GB860196A (en) | 1957-04-29 | 1957-04-29 | Electrical resistance heating elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1358257A GB860196A (en) | 1957-04-29 | 1957-04-29 | Electrical resistance heating elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB860196A true GB860196A (en) | 1961-02-01 |
Family
ID=10025585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1358257A Expired GB860196A (en) | 1957-04-29 | 1957-04-29 | Electrical resistance heating elements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB860196A (en) |
-
1957
- 1957-04-29 GB GB1358257A patent/GB860196A/en not_active Expired
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