BE419542A - - Google Patents
Info
- Publication number
- BE419542A BE419542A BE419542DA BE419542A BE 419542 A BE419542 A BE 419542A BE 419542D A BE419542D A BE 419542DA BE 419542 A BE419542 A BE 419542A
- Authority
- BE
- Belgium
- Prior art keywords
- spiral winding
- tubular casing
- section
- powder
- outer tubular
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
Landscapes
- Resistance Heating (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419542A true BE419542A (enrdf_load_stackoverflow) |
Family
ID=81808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419542D BE419542A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE419542A (enrdf_load_stackoverflow) |
-
0
- BE BE419542D patent/BE419542A/fr unknown
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