EP3362239A1 - Verfahren zum herstellen von betonrohren - Google Patents
Verfahren zum herstellen von betonrohrenInfo
- Publication number
- EP3362239A1 EP3362239A1 EP16791517.2A EP16791517A EP3362239A1 EP 3362239 A1 EP3362239 A1 EP 3362239A1 EP 16791517 A EP16791517 A EP 16791517A EP 3362239 A1 EP3362239 A1 EP 3362239A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete
- core
- mold
- sleeve
- space
- 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.)
- Granted
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
- B28B21/04—Methods or machines specially adapted for the production of tubular articles by casting into moulds by simple casting, the material being neither positively compacted nor forcibly fed
-
- 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
- B28B21/765—Top or bottom rings
-
- 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
-
- 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
Definitions
- the invention relates to a method for producing concrete pipes in a standing mold with a mold space between a core and a longitudinally divided shell and with the mold space bottom and top final molding sleeves, wherein pourable concrete poured into the mold cavity and the concrete pipe after a Setting the concrete is removed from the mold by opening the jacket.
- the upper mold sleeve must allow casting of the flowable concrete in the mold cavity from above, which requires frontally open upper mold sleeves with the disadvantage that the end faces of the tubular body in the region of the open end faces of the upper mold sleeves must be smoothed by hand, what's more in that the setting behavior of the pourable concrete poured into the mold cavity can hardly be taken into account.
- the air bubbles trapped in the flowable concrete escape upwards and can escape only partially through the open end face of the upper mold sleeve, so that the air bubbles collecting in particular in the area of the outer peripheral wall of the upper mold sleeve Give rise to undesired air pores in the area of the offset, frontal coupling approaches of the finished concrete pipes.
- the invention is therefore based on the object, a wet concrete casting process for the manufacture of concrete pipes in the mold space between a core and a shell of a standing mold in such a way that not only the
- the invention solves the problem by the fact that the flowable concrete is filled with removed upper mold sleeve in a predetermined amount in the mold space and that a closed ring forming upper mold sleeve only after a set time for a predetermined set volume of the cast tubular body between the core and the shell is pressed shaping in the end face of the tubular body.
- Compression molding of the front-side coupling approach by pressing the upper mold sleeve in the still flowable concrete smooth wall surfaces are formed not only in the peripheral region, but also in the region of the front page.
- the waiting for the setting process for the cast in the mold cavity concrete and the subsequent forming of the coupling approach requires a filling of the mold space with a predetermined amount of flowable concrete in order to ensure a predetermined length of the concrete pipe to be produced. It must therefore be provided a filling volume, the volume of the produced concrete pipe to the
- Setting volume can be determined in a simple manner, for example by experiments. In practice, it has been found that already after a few minutes a settlement is present, which allows a compression molding by the upper mold sleeve within a given manufacturing tolerance.
- the molding of the front-side coupling approach of the concrete pipe to be produced can be supported by rotating the upper mold sleeve during and / or after the impressions in the flowable concrete.
- Fig. 1 is a mold for carrying out an inventive
- Fig. 2 shows the mold space between the core and shell of the mold
- Fig. 3 is a view corresponding to FIG. 2 of the mold after
- a casting mold for carrying out the wet concrete casting method according to the invention is used for the purpose of carrying out the invention
- Coupling attachment 8 at the opposite end of the tubular body 7 serves a separate upper mold sleeve 9 in the form of a closed ring which can be inserted coaxially with the mold between the core 2 and the shell 3 with pressure in the annular space 4 and preferably rotated about its axis.
- both the core 2 and the shell 3 are designed to be split lengthwise. While the jacket 3 has to be pulled radially outward from the concrete pipe to be demoulded, the core is to be drawn in radially inwards from the concrete pipe, in order to release the pipe body 7.
- Coupling attachment 8 is pressed into the tubular body 7 on flowable concrete, a setting of the tubular body 7 is awaited.
- the filling level of the mold space 4 according to FIG. 2 decreases from a starting point 10 indicated by dash-dot lines under a compression of the concrete to a level 1 1.
- the jacket and / or the core can be provided with a vibrating drive.
- the air bubbles trapped in the flowable concrete can escape upward from the mold space 4 during this setting time, so that the coupling projection 8 is formed without pores with smooth wall surfaces during subsequent impressions of the upper mold sleeve into the flowable concrete between the core 2 and the casing 3. It is only necessary to make sure that the when introducing the upper mold sleeve 9 in the mold space 4 above the tube body 7 collecting air can escape from the mold sleeve 9, which is ensured by the required guide gap between the upper mold sleeve 9 and the core 2.
- the tubular body 7 can be removed from the mold by the jacket 3 is opened and pulled apart radially outward and the core 2 is radially retracted.
- the upper mold sleeve 9 may remain on the tubular body 7 during demolding, but may also be removed beforehand.
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
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50881/2015A AT517916A1 (de) | 2015-10-16 | 2015-10-16 | Verfahren zum Herstellen von Betonrohren |
| PCT/AT2016/050260 WO2017063010A1 (de) | 2015-10-16 | 2016-10-13 | Verfahren zum herstellen von betonrohren |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3362239A1 true EP3362239A1 (de) | 2018-08-22 |
| EP3362239C0 EP3362239C0 (de) | 2023-06-14 |
| EP3362239B1 EP3362239B1 (de) | 2023-06-14 |
Family
ID=57249617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16791517.2A Active EP3362239B1 (de) | 2015-10-16 | 2016-10-13 | Verfahren zum herstellen von betonrohren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11724417B2 (de) |
| EP (1) | EP3362239B1 (de) |
| AT (1) | AT517916A1 (de) |
| WO (1) | WO2017063010A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936569A (zh) * | 2019-11-26 | 2021-06-11 | 金科新能源有限公司 | 预制塔筒的浇筑模具底模、顶升装置和脱模方法 |
| CN112936571B (zh) * | 2019-11-26 | 2023-01-24 | 金科新能源有限公司 | 预制塔筒的成型施工方法 |
| CN111745793B (zh) * | 2020-06-30 | 2021-08-27 | 北京欣江峰市政工程有限责任公司 | 一种混凝土空心方桩成型模具 |
| CN113199619A (zh) * | 2021-05-06 | 2021-08-03 | 山东春禾新材料研究院有限公司 | 一种超高性能混凝土空心管制作模具及应用方法 |
| CN119567411B (zh) * | 2025-02-08 | 2025-06-06 | 太谷县隆盛特种耐磨材料有限公司 | 一种管件浇铸成型设备及浇铸成型方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2137924A (en) * | 1938-04-12 | 1938-11-22 | Schickedanz William | Window ventilator |
| US2334509A (en) * | 1940-10-26 | 1943-11-16 | Reeves Robert Bruce | Apparatus for molding or lining hollow articles |
| US3078539A (en) * | 1960-02-01 | 1963-02-26 | Cie Miron Ltee | Concrete pipe moulding apparatus |
| US3334390A (en) * | 1965-01-04 | 1967-08-08 | Steiro Harry | End ring trowelling attachment for concrete pipe making apparatus |
| US3461516A (en) * | 1966-07-22 | 1969-08-19 | Vessot Co Ltd S | Apparatus for moulding concrete pipes |
| DK135614B (da) * | 1975-09-25 | 1977-05-31 | Pedershaab Maskinfabrik As | Maskine til støbning af betonrør i stående stilling. |
| DE2741246C2 (de) * | 1977-09-14 | 1981-09-10 | Georg Fischer AG, 8201 Schaffhausen | Vorrichtung und Verfahren zum Herstellen von Rohren |
| AU2719984A (en) * | 1983-04-12 | 1984-10-18 | Hume, G.R. | Concrete pipe and pole manufacture |
| DE3323340A1 (de) * | 1983-06-29 | 1985-01-03 | Georg Prinzing GmbH & Co KG Betonformen- und Maschinenfabrik, 7902 Blaubeuren | Formeinrichtung zum herstellen von betonformteilen |
| DE8318804U1 (de) * | 1983-06-29 | 1983-10-20 | Georg Prinzing GmbH & Co KG Betonformen- und Maschinenfabrik, 7902 Blaubeuren | Formeinrichtung zum herstellen von betonformteilen |
| DE4029480A1 (de) * | 1990-09-17 | 1992-03-19 | Prinzing Georg Gmbh Co Kg | Verfahren zum herstellen von betonteilen |
| EP0670763A1 (de) * | 1993-09-30 | 1995-09-13 | Colle S.P.A. | Verfahren und vorrichtung zur herstellung von betonrohren gleichmässiger höhe |
| US20050269747A1 (en) * | 2004-06-04 | 2005-12-08 | Wuelfing Otto J | Press head assembly for concrete pipe making machine |
| US7832703B2 (en) * | 2009-01-09 | 2010-11-16 | Hawkeye Concrete Products Co. | Apparatus and method for protecting lined concrete pipe during the manufacturing process |
| DE102012217324A1 (de) | 2012-09-25 | 2014-03-27 | Johann Schlüsselbauer | System und Verfahren zum Herstellen von rohrförmigen Betonprodukten |
-
2015
- 2015-10-16 AT ATA50881/2015A patent/AT517916A1/de not_active Application Discontinuation
-
2016
- 2016-10-13 US US15/765,444 patent/US11724417B2/en active Active
- 2016-10-13 EP EP16791517.2A patent/EP3362239B1/de active Active
- 2016-10-13 WO PCT/AT2016/050260 patent/WO2017063010A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3362239C0 (de) | 2023-06-14 |
| US11724417B2 (en) | 2023-08-15 |
| WO2017063010A1 (de) | 2017-04-20 |
| US20180297234A1 (en) | 2018-10-18 |
| EP3362239B1 (de) | 2023-06-14 |
| AT517916A1 (de) | 2017-05-15 |
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