FR810941A - Tuyaux en béton armé et frettés par chemise métallique mise en tension et procédés de fabrication - Google Patents
Tuyaux en béton armé et frettés par chemise métallique mise en tension et procédés de fabricationInfo
- Publication number
- FR810941A FR810941A FR810941DA FR810941A FR 810941 A FR810941 A FR 810941A FR 810941D A FR810941D A FR 810941DA FR 810941 A FR810941 A FR 810941A
- Authority
- FR
- France
- Prior art keywords
- shrink
- wrapped
- reinforced concrete
- manufacturing processes
- concrete pipes
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011150 reinforced concrete Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/18—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements
- B28B21/20—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core
- B28B21/205—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using expansible or retractable mould or core elements using inflatable cores, e.g. having a frame inside the inflatable part of the core having a rigid frame inside the inflatable part of the core
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR810941T | 1936-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR810941A true FR810941A (fr) | 1937-04-02 |
Family
ID=9258337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR810941D Expired FR810941A (fr) | 1936-09-15 | 1936-09-15 | Tuyaux en béton armé et frettés par chemise métallique mise en tension et procédés de fabrication |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR810941A (fr) |
-
1936
- 1936-09-15 FR FR810941D patent/FR810941A/fr not_active Expired
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