GB198161A - Improvements in concrete pipe making machines - Google Patents
Improvements in concrete pipe making machinesInfo
- Publication number
- GB198161A GB198161A GB981422A GB981422A GB198161A GB 198161 A GB198161 A GB 198161A GB 981422 A GB981422 A GB 981422A GB 981422 A GB981422 A GB 981422A GB 198161 A GB198161 A GB 198161A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- mould
- trowel
- socket
- concrete pipe
- 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
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
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/24—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like
- B28B21/28—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like combined with vibration means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
198,161. Heffer, B. April 5, 1922. Moulding pipes and tubes.-In a concrete pipe-making machine, comprising an outer mould and a core between which the concrete is tamped, the core is withdrawn helically from the pipe, the inner surface of which is smoothed by a trowel curved at the lower end of the core. The mould 6 is divided vertically into two parts 6<a>, 6<b> held together by clamping handles 8, and is enlarged at the top 11 to form a socket. The core 9 is carried by a shaft 1 adapted to be raised and lowered and simultaneously rotated; the trowel 29 is secured to the shaft so as to project slightly beyond the base of the core, and its " sweep " may be adjusted by a double acting screw 30, Fig. 4. An annular plate 12, formed of two hinged parts sliding on standards 2, rests on the top of the mould and carries radial bars 15 adapted to support a socket-forming ring 17 within the mouth of the mould.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB981422A GB198161A (en) | 1922-04-05 | 1922-04-05 | Improvements in concrete pipe making machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB981422A GB198161A (en) | 1922-04-05 | 1922-04-05 | Improvements in concrete pipe making machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB198161A true GB198161A (en) | 1923-05-31 |
Family
ID=9879285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB981422A Expired GB198161A (en) | 1922-04-05 | 1922-04-05 | Improvements in concrete pipe making machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB198161A (en) |
-
1922
- 1922-04-05 GB GB981422A patent/GB198161A/en not_active Expired
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