FR1592936A - - Google Patents
Info
- Publication number
- FR1592936A FR1592936A FR175112A FR1592936DA FR1592936A FR 1592936 A FR1592936 A FR 1592936A FR 175112 A FR175112 A FR 175112A FR 1592936D A FR1592936D A FR 1592936DA FR 1592936 A FR1592936 A FR 1592936A
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR175112 | 1968-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1592936A true FR1592936A (fr) | 1970-05-19 |
Family
ID=8657337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR175112A Expired FR1592936A (fr) | 1968-11-25 | 1968-11-25 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE741460A (fr) |
BR (1) | BR6914458D0 (fr) |
ES (2) | ES374208A1 (fr) |
FR (1) | FR1592936A (fr) |
OA (1) | OA03171A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0374667A1 (fr) * | 1988-12-23 | 1990-06-27 | Peter Hartmann Beteiligungen AG | Procédé et dispositif de fabrication d'un tuyau composite dans un moule tournant |
US5238384A (en) * | 1988-12-23 | 1993-08-24 | Von Roll Ag | Apparatus for producing a composite pipe in a rotating drum |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4840200A (en) * | 1983-06-21 | 1989-06-20 | General Atomics | Prestressed tube |
US4771530A (en) * | 1987-04-08 | 1988-09-20 | General Atomics | Application of inwardly directed prestressing pressure to concrete members |
-
1968
- 1968-11-25 FR FR175112A patent/FR1592936A/fr not_active Expired
-
1969
- 1969-11-07 BE BE741460D patent/BE741460A/xx unknown
- 1969-11-15 OA OA53784A patent/OA03171A/fr unknown
- 1969-11-22 ES ES374208A patent/ES374208A1/es not_active Expired
- 1969-11-22 ES ES374209A patent/ES374209A1/es not_active Expired
- 1969-11-24 BR BR214458/69A patent/BR6914458D0/pt unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0374667A1 (fr) * | 1988-12-23 | 1990-06-27 | Peter Hartmann Beteiligungen AG | Procédé et dispositif de fabrication d'un tuyau composite dans un moule tournant |
US5082614A (en) * | 1988-12-23 | 1992-01-21 | Peter Hartmann Beteiligungen Ag | Method for producing a composite pipe in a rotating drum |
US5238384A (en) * | 1988-12-23 | 1993-08-24 | Von Roll Ag | Apparatus for producing a composite pipe in a rotating drum |
Also Published As
Publication number | Publication date |
---|---|
BR6914458D0 (pt) | 1973-05-08 |
ES374208A1 (es) | 1971-12-16 |
ES374209A1 (es) | 1971-12-16 |
BE741460A (fr) | 1970-04-16 |
OA03171A (fr) | 1970-12-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |