DE261790C - - Google Patents
Info
- Publication number
- DE261790C DE261790C DENDAT261790D DE261790DA DE261790C DE 261790 C DE261790 C DE 261790C DE NDAT261790 D DENDAT261790 D DE NDAT261790D DE 261790D A DE261790D A DE 261790DA DE 261790 C DE261790 C DE 261790C
- Authority
- DE
- Germany
- Prior art keywords
- pipes
- spiral
- cross
- section
- layers
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000011431 lime mortar Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE261790C true DE261790C (enExample) |
Family
ID=519320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT261790D Active DE261790C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE261790C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1222135B (de) * | 1954-12-06 | 1966-08-04 | Fraenk Isolierrohr & Metall | Biegsames elektrisches Installationsrohr |
-
0
- DE DENDAT261790D patent/DE261790C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1222135B (de) * | 1954-12-06 | 1966-08-04 | Fraenk Isolierrohr & Metall | Biegsames elektrisches Installationsrohr |
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