GB1417225A - Ceramic electrode and current supply device therefor - Google Patents
Ceramic electrode and current supply device thereforInfo
- Publication number
- GB1417225A GB1417225A GB3553673A GB3553673A GB1417225A GB 1417225 A GB1417225 A GB 1417225A GB 3553673 A GB3553673 A GB 3553673A GB 3553673 A GB3553673 A GB 3553673A GB 1417225 A GB1417225 A GB 1417225A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- layer
- ram
- ductile
- spring
- 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
- H05B3/02—Details
- H05B3/03—Electrodes
Landscapes
- Resistance Heating (AREA)
- Furnace Details (AREA)
- Glass Melting And Manufacturing (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
1417225 Internal resistance heating NIKOLAUS SORG GmbH & CO 25 July 1973 [25 July 1972] 35536/73 Heading H5H [Also in Division H2] To prevent the formation of local hot spots between a current supply device 3 and a ceramic electrode 1, a layer 2 of a conductive material which has a melting-point just below the operating temperature of the electrode and is ductile at the operating temperature, is interposed between the device 3 and electrode 1 and is urged into contact with the electrode 1 by device 3. The ductile layer 2 ensures uniform contact resistance across the head of the electrode 1 and the material of the layer is so chosen that it is not squeezed out from the gap between the electrode 1 and device 2. In the glass furnace shown, the device 3 acts as a ram and is secured to a spring-biased ceramic block 5 by a rod 4. The biasing spring 7 acts between the block 5 and the end-plate of a cylinder 6 which is secured to the furnace brickwork supports 10 by an adjusting screw 11. The spring 7 thus biases the electrode 1, which has an annular shoulder, against the furnace lining 9, to take up any movement between the supports 10 and lining 9 during operation. A supply cable 8 is connected to ram 3. The electrode 1 may be made of tin oxide and the layer 2 may be silver solder, e.g. Degussa alloy. The layer 2 may be made of ductile non-metallic materials. The ram 3 and head of the electrode 1 may have complementary conical recesses and projection for centering.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2235703A DE2235703C3 (en) | 1972-07-25 | 1972-07-25 | Power supply to a ceramic electrode of a melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1417225A true GB1417225A (en) | 1975-12-10 |
Family
ID=5851206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3553673A Expired GB1417225A (en) | 1972-07-25 | 1973-07-25 | Ceramic electrode and current supply device therefor |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3826858A (en) |
| JP (1) | JPS5530276B2 (en) |
| BE (1) | BE802744A (en) |
| DD (1) | DD105371A5 (en) |
| DE (1) | DE2235703C3 (en) |
| FR (1) | FR2194104A1 (en) |
| GB (1) | GB1417225A (en) |
| IT (1) | IT993615B (en) |
| SE (1) | SE381537B (en) |
| SU (1) | SU564835A3 (en) |
| ZA (1) | ZA734925B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5640819Y2 (en) * | 1974-11-07 | 1981-09-24 | ||
| US4287380A (en) * | 1979-09-18 | 1981-09-01 | Emhart Industries, Inc. | Electrode assembly for molten glass forehearth |
| US4512023A (en) * | 1982-06-15 | 1985-04-16 | Dyson Refractories Limited | Electrodes for glass furnaces |
| JP6002525B2 (en) * | 2011-09-30 | 2016-10-05 | ＡｖａｎＳｔｒａｔｅ株式会社 | Manufacturing method of glass plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391236A (en) * | 1965-07-06 | 1968-07-02 | Emhart Corp | Electrode holder for glass melting furnace |
| BE789004A (en) * | 1971-09-20 | 1973-03-19 | Corning Glass Works | ELECTRICAL CONNECTOR FOR REFRACTORY ELECTRODES |
-
1972
- 1972-07-25 DE DE2235703A patent/DE2235703C3/en not_active Expired
-
1973
- 1973-07-18 SE SE7310015A patent/SE381537B/en unknown
- 1973-07-19 ZA ZA734925A patent/ZA734925B/en unknown
- 1973-07-24 BE BE6044252A patent/BE802744A/en unknown
- 1973-07-24 DD DD172483A patent/DD105371A5/xx unknown
- 1973-07-24 FR FR7327898A patent/FR2194104A1/fr not_active Withdrawn
- 1973-07-24 IT IT26954/73A patent/IT993615B/en active
- 1973-07-24 US US00382150A patent/US3826858A/en not_active Expired - Lifetime
- 1973-07-25 SU SU7301952686A patent/SU564835A3/en active
- 1973-07-25 JP JP8325873A patent/JPS5530276B2/ja not_active Expired
- 1973-07-25 GB GB3553673A patent/GB1417225A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2235703B2 (en) | 1974-06-06 |
| SU564835A3 (en) | 1977-07-05 |
| IT993615B (en) | 1975-09-30 |
| BE802744A (en) | 1973-11-16 |
| ZA734925B (en) | 1974-06-26 |
| JPS4958432A (en) | 1974-06-06 |
| US3826858A (en) | 1974-07-30 |
| DD105371A5 (en) | 1974-04-12 |
| DE2235703A1 (en) | 1974-03-14 |
| SE381537B (en) | 1975-12-08 |
| DE2235703C3 (en) | 1975-01-16 |
| FR2194104A1 (en) | 1974-02-22 |
| JPS5530276B2 (en) | 1980-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |