JPS612511A - コンクリ−トの管を製造する方法及び装置 - Google Patents
コンクリ−トの管を製造する方法及び装置Info
- Publication number
- JPS612511A JPS612511A JP4920885A JP4920885A JPS612511A JP S612511 A JPS612511 A JP S612511A JP 4920885 A JP4920885 A JP 4920885A JP 4920885 A JP4920885 A JP 4920885A JP S612511 A JPS612511 A JP S612511A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- concrete
- concrete pipe
- manufacturing
- compressed air
- 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.)
- Pending
Links
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
- B28B21/76—Moulds
-
- 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
- B28B21/90—Methods or apparatus for demoulding or discharging after shaping
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/10—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article
- B28B7/12—Moulds with means incorporated therein, or carried thereby, for ejecting or detaching the moulded article by fluid pressure, e.g. acting through flexible wall parts or linings of the moulds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8406425 | 1984-03-12 | ||
GB848406425A GB8406425D0 (en) | 1984-03-12 | 1984-03-12 | Production of concrete products |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS612511A true JPS612511A (ja) | 1986-01-08 |
Family
ID=10557940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4920885A Pending JPS612511A (ja) | 1984-03-12 | 1985-03-12 | コンクリ−トの管を製造する方法及び装置 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0157506A1 (fr) |
JP (1) | JPS612511A (fr) |
AU (1) | AU3975885A (fr) |
DK (1) | DK109685A (fr) |
GB (2) | GB8406425D0 (fr) |
NO (1) | NO850981L (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2557933A1 (fr) * | 2004-03-19 | 2005-09-29 | Pvaxx Research And Development Limited | Appareil porteur de charge et procedes de fabrication |
GB2425506B (en) | 2005-04-26 | 2010-11-10 | Pvaxx Res & Dev Ltd | Load carrying apparatus and method of manufacture |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2612673A (en) * | 1949-03-09 | 1952-10-07 | Vacuum Concrete Inc | Expansible molding core |
GB1228886A (fr) * | 1968-09-13 | 1971-04-21 | ||
BE794780A (fr) * | 1972-01-31 | 1973-05-16 | Precision Flexmold | Appareil pour le moulage d'objets |
PH17524A (en) * | 1975-03-20 | 1984-09-13 | Kurimoto Hume Pipe Ltd | Method of manufacturing centrifugal reinforced concrete pipe |
FR2347164A1 (fr) * | 1976-04-06 | 1977-11-04 | Schlosser & Co Gmbh | Moule pour echantillon en beton |
US4308970A (en) * | 1978-11-27 | 1982-01-05 | Holdt J W Von | Plastic bucket defining annular inwardly projecting ridge |
AT366313B (de) * | 1979-10-11 | 1982-04-13 | Eternit Werke Hatschek L | Vorrichtung zum herstellen eines rohres bzw. rohrformstueckes aus faserzement |
DD150022A1 (de) * | 1980-04-03 | 1981-08-12 | Theo Stiegler | Vorrichtung zum entschalen von formteilen mittels druckluft |
-
1984
- 1984-03-12 GB GB848406425A patent/GB8406425D0/en active Pending
-
1985
- 1985-03-08 EP EP19850301608 patent/EP0157506A1/fr not_active Withdrawn
- 1985-03-08 GB GB08506028A patent/GB2155397B/en not_active Expired
- 1985-03-11 DK DK109685A patent/DK109685A/da not_active Application Discontinuation
- 1985-03-12 AU AU39758/85A patent/AU3975885A/en not_active Abandoned
- 1985-03-12 NO NO850981A patent/NO850981L/no unknown
- 1985-03-12 JP JP4920885A patent/JPS612511A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8506028D0 (en) | 1985-04-11 |
NO850981L (no) | 1985-09-13 |
DK109685A (da) | 1985-09-13 |
GB2155397B (en) | 1987-01-21 |
GB2155397A (en) | 1985-09-25 |
DK109685D0 (da) | 1985-03-11 |
AU3975885A (en) | 1985-09-19 |
EP0157506A1 (fr) | 1985-10-09 |
GB8406425D0 (en) | 1984-04-18 |
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