DE4223549A1 - Rohrheizkörper - Google Patents
RohrheizkörperInfo
- Publication number
- DE4223549A1 DE4223549A1 DE19924223549 DE4223549A DE4223549A1 DE 4223549 A1 DE4223549 A1 DE 4223549A1 DE 19924223549 DE19924223549 DE 19924223549 DE 4223549 A DE4223549 A DE 4223549A DE 4223549 A1 DE4223549 A1 DE 4223549A1
- Authority
- DE
- Germany
- Prior art keywords
- outer tube
- tubular heater
- interior
- heater according
- connecting bolts
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 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
- H05B3/40—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
- H05B3/52—Apparatus or processes for filling or compressing insulating material in tubes
-
- 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19924223549 DE4223549A1 (de) | 1992-07-17 | 1992-07-17 | Rohrheizkörper |
| EP93111170A EP0579161A2 (de) | 1992-07-17 | 1993-07-13 | Rohrheizkörper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19924223549 DE4223549A1 (de) | 1992-07-17 | 1992-07-17 | Rohrheizkörper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE4223549A1 true DE4223549A1 (de) | 1994-01-20 |
Family
ID=6463447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19924223549 Withdrawn DE4223549A1 (de) | 1992-07-17 | 1992-07-17 | Rohrheizkörper |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0579161A2 (enrdf_load_stackoverflow) |
| DE (1) | DE4223549A1 (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE831122C (de) * | 1949-08-02 | 1952-02-11 | Theodor Stiebel Dipl Ing Dr | Anordnung zum hitzebestaendigen und fluessigkeitsdichten Abschluss der Enden von elektrischen Rohrheizkoerpern |
| US4314401A (en) * | 1979-01-29 | 1982-02-09 | Isamu Saku | Sheathed heating element and sealing of sheathed electric heating element |
| DE8413276U1 (de) * | 1984-04-30 | 1984-07-26 | Elpag Ag Chur, Chur | Rohrheizkoerper mit isolierperle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB621868A (en) * | 1945-05-25 | 1949-04-21 | British Thomson Houston Co Ltd | Improvements in and relating to terminal structures in electric heaters |
| US2625634A (en) * | 1950-08-30 | 1953-01-13 | Wiegand Co Edwin L | Electric heating |
| US3934333A (en) * | 1973-07-25 | 1976-01-27 | Churchill John W | Method of constructing bilateral heater unit |
| DE2460172B2 (de) * | 1974-12-19 | 1977-11-03 | Helios Gmbh, 5982 Neuenrade | Rohrheizkoerper |
-
1992
- 1992-07-17 DE DE19924223549 patent/DE4223549A1/de not_active Withdrawn
-
1993
- 1993-07-13 EP EP93111170A patent/EP0579161A2/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE831122C (de) * | 1949-08-02 | 1952-02-11 | Theodor Stiebel Dipl Ing Dr | Anordnung zum hitzebestaendigen und fluessigkeitsdichten Abschluss der Enden von elektrischen Rohrheizkoerpern |
| US4314401A (en) * | 1979-01-29 | 1982-02-09 | Isamu Saku | Sheathed heating element and sealing of sheathed electric heating element |
| DE8413276U1 (de) * | 1984-04-30 | 1984-07-26 | Elpag Ag Chur, Chur | Rohrheizkoerper mit isolierperle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0579161A2 (de) | 1994-01-19 |
| EP0579161A3 (enrdf_load_stackoverflow) | 1994-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8139 | Disposal/non-payment of the annual fee |