FR1548503A - - Google Patents
Info
- Publication number
- FR1548503A FR1548503A FR1548503DA FR1548503A FR 1548503 A FR1548503 A FR 1548503A FR 1548503D A FR1548503D A FR 1548503DA FR 1548503 A FR1548503 A FR 1548503A
- Authority
- FR
- France
- 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
Classifications
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- 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
-
- 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
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
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 |
---|---|---|---|
FR125410 | 1967-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1548503A true FR1548503A (fr) | 1968-12-06 |
Family
ID=8640507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1548503D Expired FR1548503A (fr) | 1967-10-23 | 1967-10-23 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1548503A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548949A1 (fr) * | 1983-07-12 | 1985-01-18 | Dyckerhoff & Widmann Ag | Procede de fabrication de corps creux en beton precontraint, en particulier de tubes de beton precontraint, corps creux realise selon le procede, en particulier tube de beton precontraint, et dispositif pour sa mise en oeuvre |
-
1967
- 1967-10-23 FR FR1548503D patent/FR1548503A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548949A1 (fr) * | 1983-07-12 | 1985-01-18 | Dyckerhoff & Widmann Ag | Procede de fabrication de corps creux en beton precontraint, en particulier de tubes de beton precontraint, corps creux realise selon le procede, en particulier tube de beton precontraint, et dispositif pour sa mise en oeuvre |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |