CA2212342A1 - Tubular heating element with insulating core - Google Patents
Tubular heating element with insulating coreInfo
- Publication number
- CA2212342A1 CA2212342A1 CA2212342A CA2212342A CA2212342A1 CA 2212342 A1 CA2212342 A1 CA 2212342A1 CA 2212342 A CA2212342 A CA 2212342A CA 2212342 A CA2212342 A CA 2212342A CA 2212342 A1 CA2212342 A1 CA 2212342A1
- Authority
- CA
- Canada
- Prior art keywords
- heating element
- tubular heating
- insulating core
- metal tube
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 229910010293 ceramic material Inorganic materials 0.000 abstract 2
- 239000004020 conductor 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
- H05B3/40—Heating elements having the shape of rods or 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
-
- 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
A tubular heating element (10) having a metal tube (12) filled with a ceramic material (14). The metal tube has a near zero or slightly positive temperature coefficient of resistance. In an alternative embodiment, a wire (16) is coaxially supported within the metal tube (12) by the ceramic material (14).
This wire may be used to stiffen the tubular heating element (10) or may be used as an electrical conductor.
This wire may be used to stiffen the tubular heating element (10) or may be used as an electrical conductor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1995/001876 WO1996026626A1 (en) | 1995-02-21 | 1995-02-21 | Tubular heating element with insulating core |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2212342A1 true CA2212342A1 (en) | 1996-08-29 |
CA2212342C CA2212342C (en) | 2000-05-16 |
Family
ID=22248668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002212342A Expired - Fee Related CA2212342C (en) | 1995-02-21 | 1995-02-21 | Tubular heating element with insulating core |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0811303A4 (en) |
JP (1) | JP3042893B2 (en) |
AU (1) | AU1965995A (en) |
CA (1) | CA2212342C (en) |
WO (1) | WO1996026626A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2472930A (en) * | 1945-08-23 | 1949-06-14 | Western Electric Co | Electrical heating unit |
US2866062A (en) * | 1956-03-05 | 1958-12-23 | Trent Inc | Electrical heating elements |
DE1515017A1 (en) * | 1964-09-22 | 1969-11-13 | Licentia Gmbh | Process for the production of thin-walled metallic hollow bodies |
NL153755C (en) * | 1966-10-20 | 1977-11-15 | Stichting Reactor Centrum | METHOD FOR MANUFACTURING AN ELECTRIC HEATING ELEMENT, AS WELL AS HEATING ELEMENT MANUFACTURED USING THIS METHOD. |
US5066852A (en) * | 1990-09-17 | 1991-11-19 | Teledyne Ind. Inc. | Thermoplastic end seal for electric heating elements |
JPH04272685A (en) * | 1991-02-26 | 1992-09-29 | Sakaguchi Dennetsu Kk | Sheath heater |
-
1995
- 1995-02-21 JP JP08525628A patent/JP3042893B2/en not_active Expired - Lifetime
- 1995-02-21 WO PCT/US1995/001876 patent/WO1996026626A1/en not_active Application Discontinuation
- 1995-02-21 CA CA002212342A patent/CA2212342C/en not_active Expired - Fee Related
- 1995-02-21 AU AU19659/95A patent/AU1965995A/en not_active Abandoned
- 1995-02-21 EP EP95912552A patent/EP0811303A4/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CA2212342C (en) | 2000-05-16 |
WO1996026626A1 (en) | 1996-08-29 |
EP0811303A4 (en) | 1998-09-02 |
JPH10508424A (en) | 1998-08-18 |
EP0811303A1 (en) | 1997-12-10 |
AU1965995A (en) | 1996-09-11 |
JP3042893B2 (en) | 2000-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |