EP1473128B1 - Procédé et utilisation d'un dispositif de fabrication de tuyaux multicouches en béton - Google Patents

Procédé et utilisation d'un dispositif de fabrication de tuyaux multicouches en béton Download PDF

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Publication number
EP1473128B1
EP1473128B1 EP04006777A EP04006777A EP1473128B1 EP 1473128 B1 EP1473128 B1 EP 1473128B1 EP 04006777 A EP04006777 A EP 04006777A EP 04006777 A EP04006777 A EP 04006777A EP 1473128 B1 EP1473128 B1 EP 1473128B1
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EP
European Patent Office
Prior art keywords
concrete
compacting
use according
tool
driven axle
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 - Lifetime
Application number
EP04006777A
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German (de)
English (en)
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EP1473128A2 (fr
EP1473128A3 (fr
Inventor
Bertram Rupietta
Gunther Schiller
Günter Becker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlosser Pfeiffer GmbH
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Schlosser Pfeiffer GmbH
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Publication of EP1473128A3 publication Critical patent/EP1473128A3/fr
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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
    • B28B21/242—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 the working diameter of the compacting mechanism being adjustable, e.g. the compacting rollers on the head being displaceable
    • 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
    • B28B21/26—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 with a packer head serving as a sliding mould or provided with guiding means for feeding the material
    • 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
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/94—Methods or apparatus for treating or reshaping for impregnating or coating by applying liquids or semi-liquids

Definitions

  • the invention relates to the use of a device for producing a multilayer concrete pipe with such a compaction tool and to a method for producing a multilayer concrete pipe.
  • Such concrete pipes are used, for example, for municipal and industrial sewer.
  • the wall of such a tube fulfills various functions.
  • the wall of the pipe has to absorb the static and dynamic loads that act from the outside.
  • the inner surface is exposed to the medium to be transported. Therefore, for the inner surface, special properties, such as e.g. Abrasion resistance, acid resistance, fire resistance or the like. Required. It is therefore useful to make the wall of the tube from several layers, with the layers differ from each other by their properties.
  • This thin layer of acid-resistant concrete is conventionally applied in a centrifugal process in which the acid-resistant concrete mixture is introduced into a horizontal pipe.
  • the step of spinning must be carried out until the concrete is at least partially cured, so that the tube can be removed in a horizontal position from the mold without being damaged.
  • horizontal tube making is very time consuming, single layer tubes are used often also produced in vertical manufacturing processes with a press head or the like.
  • coatings are subsequently applied to the inner surface, or so-called inliners made of plastic are installed. The installation of these sometimes very expensive coatings requires additional manufacturing steps.
  • the press rollers can be adjusted via an adjusting lever in their radial orientations.
  • an adjusting lever fixing the threaded bolt is unscrewed from a threaded hole and screwed after adjustment of the adjusting lever in another threaded hole.
  • the adjustment of the press rollers is time consuming and therefore not feasible during the production of pipes.
  • This document also discloses a method for producing a concrete pipe according to the preamble of claim 1.
  • Object of the present invention is therefore to provide a method of the type mentioned, with which multilayer concrete pipes can be made faster and more economically, in particular, the connection of the individual layers is improved with each other.
  • the at least one distributor or press roller and / or the at least one pressing or smoothing piston can be connected to the driven axle via an adjusting device in such a way that the distance between the outer male part surface and the driven axle can be changed.
  • the adjusting device thus makes it possible, for example, to change the diameter of the compacting tool described by the distributor rollers or skids or the pressing rollers in a defined manner to concrete pipes having different inner diameters with the same Manufacture compaction tool. Since it is not necessary for the actuation of the adjusting device, to drive out the compaction tool from the mold shell, can be made without a tool change with the compacting tool according to the invention a two- or multi-layer concrete pipe.
  • the compaction tool first to produce the outer layer of the concrete pipe with a larger inner diameter and apply the inner layer of the concrete pipe with a smaller inner diameter after a reduction in the diameter of the compaction tool.
  • the radial adjustment of the compaction tool for changing the diameter is effected by the distance between the driven axis and the outer lateral surfaces of the rollers, runners or the like. Is varied.
  • the adjusting device may have a slotted guide, which extends in a curved or straight path between two points at different distances from the driven axis, and a slide sliding in the slotted guide block.
  • the driven axle can be connected to a disk or the like, in which a slot is formed as a sliding guide.
  • the journal of a distributor or press roller or a Glättkolbens slides as a sliding block in the slot. Due to the rotation of the compacting tool about the driven axis, the roller or the piston is urged in its rearward in the direction of rotation in the slotted guide.
  • the roller or skid By reversing the direction of rotation of the compaction tool about the driven axis, the roller or skid can be urged into the other end position of the slotted guide, which has a different distance to the driven axis compared to the first position, so that the diameter of the compaction tool by a Reversal of its direction of rotation is changeable.
  • the reversal of the direction of rotation of the compaction tool between two processing steps can alternatively also be used with an adjusting device for changing the diameter of the compaction tool when the adjusting device is formed by a pivoted lever mounted eccentrically with respect to the driven axis.
  • This pivot lever is connected at its end facing away from the bearing with the at least one distributor or press roller and / or the at least one pressing or smoothing piston and pivotable between two points at different distances from the driven axis.
  • the pivotal movement of the lever limiting stop points can be arranged such that contamination of the adjustment is largely avoided by the concrete mixtures, so that no impairment of the exact adjustability of the diameter of the compaction tool occur during operation.
  • the adjusting device has at least one electrically, hydraulically or pneumatically actuatable drive motor, which is assigned to the at least one distributor or press roller and / or the at least one pressing or smoothing piston for adjustment.
  • This drive motor for example a linear actuator, can centrally adjust all the rollers and / or pistons of the compaction tool or can be associated with individual or several rollers or pistons.
  • the power supply of the drive motor by the driven axle which is formed from at least two coaxial and nested hollow shafts.
  • an electrical, hydraulic or pneumatic line through the inner hollow shaft leads to the adjustment.
  • the driven axle is formed by two coaxial, nested hollow shafts, wherein in the inner hollow shaft, a further shaft for driving the adjusting device is provided.
  • the compaction tool can have a distributor with a plurality of substantially radially acting distributor rollers or distributor skids, a compressor with a plurality of substantially radially acting press rollers or compressor skids and a smoothing tool exhibit.
  • the filled into the mold shell concrete is thereby distributed evenly through the distributor rollers of the distributor in the mold shell and pre-compressed, so that any provided reinforcement or reinforcement is included by the concrete mixture.
  • the press rollers of the compressor compress the concrete mixture so far that the desired inner diameter of the concrete pipe is created.
  • the surface is reworked by the smoothing tool, which is preferably designed as a cylindrical piston and arranged below the compacting tool.
  • the smoothing tool which is preferably designed as a cylindrical piston and arranged below the compacting tool.
  • radially arranged skids can also take over the distribution and compression of the material.
  • a spray head for distributing and compacting concrete mixtures may be arranged on the compaction tool above the polishing tool.
  • z. B. be distributed the second concrete mix for the inner layer of the concrete pipe. Due to the impact velocity of the sprayed material on the inner surface of the first concrete layer, the second concrete mixture is at least partially compacted and the connection to the first concrete layer is improved. Consequently, it is possible to dispense with a further distributor and / or an additional compressor.
  • An apparatus for producing a multilayer, in particular two-layered concrete pipe comprises, for example, at least one stand in which a drivable compaction tool is mounted, at least one turntable on which a plurality of mold jackets are vertically intermittently swung into the stand, and at least one charging system for filling at least one Concrete mixture in one of the form coats.
  • at least two feeders are associated with a stand so that different concrete mixes can be processed in the same stand.
  • At least one of the charging systems has a concrete silo with an associated filling belt.
  • the charging system also be formed by a concrete pump with a pump hose.
  • the use of a concrete pump may be sufficient for the supply of the second, for example. Fire and / or acid-resistant concrete mix, of which only a smaller volume fraction for producing a multi-layer concrete pipe is required.
  • the inventive method for producing a multi-layer, in particular two-layered concrete pipe has the following steps: first, a substantially vertically standing mold jacket is pivoted into a stand and filled the mold shell with a first concrete mixture from a first charging system. This first concrete mixture is then distributed and compacted in the mold shell by a rotating and vertically movable compaction tool, and if necessary, the inner surface is smoothed. Before the demolding of the concrete pipe, a second concrete mixture is filled into the substantially vertical mold shell by means of a second charging system.
  • the diameter of the compaction tool is reversibly reduced, so that the second concrete mixture distributed and compacted with the compaction tool and possibly the inner surface can be smoothed before the concrete pipe is swung out of the stand and removed from the mold.
  • This inventive method is characterized in that neither a change of the compaction tool nor a transport of the outer part of the multilayer Pipe is required together with the mold jacket in another stand. Rather, the compacting tool itself can be changed in size before the introduction of the second concrete mixture within the mold shell. After swinging out and demolding the concrete pipe diameter of the compaction tool is then reversibly increased again for distributing and compacting the first concrete mix a new concrete pipe.
  • the direction of rotation of the compacting tool is changed.
  • a compaction tool is indicated by a circular disc 1, which is connected to a driven axle 2.
  • a disc 1 On the disc 1 is one of the embodiment according to Fig. 1 designed as a slot link guide 3 is provided.
  • a journal 4, which carries a press roller 5, is slidably mounted in the slotted guide 3. In this way, the press roller 5 is in common with the bearing pin 4 between the in Fig. 1 marked with solid lines first position with a smaller diameter in a dashed line indicated second position with a larger diameter can be transferred.
  • the two end points of the slotted guide 3 have a different distance from the driven axle 2.
  • the center of the trunnion 4 describes during a rotation of the disc 1 about the axis 2 in its first position in the figures marked with D k1 circle.
  • D k1 circle After a through the arrows in Fig. 1 indicated displacement of the journal 4 in the second position shown in dashed lines describes the center of the journal on rotation of the disc 1 a circle D k2 , whose diameter is larger than that of the circle D k1 .
  • the size of the circles D R1 and D R2 described by the outer surfaces of the press roller 5 during one revolution of the compacting tool also changes. In this way, different wall thicknesses can be produced with a compaction tool in the production of a concrete pipe without the need for a tool change.
  • the press roller 5 is also rotatably arranged on a bearing pin 4 displaceable in a slotted guide 3 such that the size of the circle described by the outer surface of the press roller during rotation of the compacting tool is variable.
  • the adjustment of the press roller between the two positions shown by solid lines or dashed lines in this embodiment however, not exclusively on the change in the direction of rotation of the compaction tool but can alternatively or additionally done by an example.
  • FIG. 3 Another compaction tool is in Fig. 3 shown.
  • a lever 7 pivotally mounted about a bearing point 8.
  • the bearing 8 facing away from the end of the lever 7 carries the bearing pin 4, on which the press roller 5 is rotatably mounted.
  • two stops 9a and 9b are arranged on the disc 1, which limit the pivoting movement of the lever 7.
  • the stops 9a and 9b are positioned on the disc 1 in such a way that when the lever 7 abuts the two stops, the size of the circles D R1 and D R2 described by the circumferential surface of the pressing roller 5 during rotation of the compacting tool is different.
  • Fig. 4 shown compression tool substantially corresponds to that of the embodiment according to Fig. 3 ,
  • the lever 7 and the bearing pin 4 are in this embodiment, however, with the above with reference to Fig. 2 explained linear actuator 6 connected such that the lever 7, regardless of the direction of rotation of the compaction tool 1 by the linear actuator 6 is pivotable. In this way, the distance between the passing with an inner wall of a concrete pipe in contact lateral surface of the press roller 5 and the driven shaft 2 of the compaction tool 1 can be adjusted continuously.
  • FIG. 5 two manufacturing steps in the production of a two-layer concrete pipe 10 are shown, wherein the right half of the compression of the first outer layer 10a with the compaction tool 1 in its in the FIGS. 1 to 4 dashed shown second position, while in the left half of Fig. 5 the application of the second, inner layer 10 b in the in FIGS. 1 to 4 represents the first position of the compaction tool shown in solid lines.
  • the compaction tool in addition to that already in the FIGS. 1 to 4 illustrated pressing roller 5 vertically arranged above distributor rollers 11, which are also rotatably mounted on bearing pins 12, and arranged below the press roller 5 Glättkolben 13.
  • a plurality of press rollers 5 and a plurality of compressor rollers 11, each - as well as the smoothing piston 13 or segments of the smoothing piston 13 - individually by an above with reference to the FIGS. 1 to 4 described adjusting device can be positioned at different distances to the driven axle 2.
  • the production of the two-layer concrete pipe 10 takes place in a vertically standing mold jacket 14, in which first, if necessary, introduced by the drivable axle 2 concrete for producing the outer layer 10a.
  • the compaction tool is located at the beginning of the production of the concrete pipe in a fully retracted into the mold shell 14 position in which the distributor rollers 11 are positioned approximately at the lower end of the mold shell 14.
  • the distributor rollers 11, the press rollers 5 and the smoothing piston 13 are located in the in the FIGS. 1 to 4 dashed shown second position, so that the described by the lateral surfaces of the press rollers 5 during a rotation of the compaction tool about the axis 2 the circle in the FIGS. 1 to 4 dashed circle D R2 corresponds.
  • the compaction tool is driven by the Axis 2 set in rotation and pulled vertically upwards out of the mold shell 4.
  • the distributor rollers 11 distribute the concrete mixture evenly on the inner wall of the mold shell 14, with it being possible to precompress the concrete.
  • the pressing rollers 5, which rotate preferably in the opposite direction to the distributor rollers 11 about the axis 2 the concrete is further compressed.
  • the smoothing piston 13 finally smoothes the inner wall surface of the outer layer 10a of the concrete pipe.
  • the compaction tool is moved back to its lower position in the mold shell 14 and the distributor rollers 11, the press rollers 5 and the smoothing piston 13 are in the above with reference to the FIGS. 1 to 4 described manner brought into a position with a reduced distance to the rotatable shaft 2.
  • this inner layer is manufactured by the distributor rollers 11, the press rollers 5 and the smoothing piston 13 as described above. Subsequently, the concrete pipe 10 can be removed from the mold shell 14.

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  • 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)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Claims (17)

  1. Procédé pour la fabrication d'un tuyau multicouches en béton (10), comportant les étapes suivantes :
    - insertion par pivotement d'un surmoule (14) dans un support,
    - remplissage du surmoule (14) avec un premier mélange de béton (10a) au moyen d'un premier dispositif d'alimentation,
    - répartition et compactage du mélange de béton dans le surmoule (14), à l'aide d'un outil de compactage (5, 11, 13) rotatif et verticalement déplaçable,
    - retrait par pivotement du surmoule (14) disposé essentiellement verticalement hors du support, et démoulage du tuyau en béton (10),
    caractérisé en ce qu'avant le démoulage du tuyau en béton (10), un deuxième mélange de béton (10b) est rempli dans le surmoule (14) disposé essentiellement verticalement, au moyen d'un deuxième dispositif d'alimentation, et en ce que le diamètre de l'outil de compactage (5, 11, 13) pour la répartition et le compactage du deuxième mélange de béton (10b) est réduit de manière réversible.
  2. Procédé selon la revendication 1, caractérisé en ce qu'après le retrait par pivotement et le démoulage du tuyau en béton (10), le diamètre de l'outil de compactage (5, 11, 13) pour la répartition et le compactage du premier mélange de béton (10a) est agrandi de façon réversible.
  3. Procédé selon l'une des revendications 1 ou 2,
    caractérisé en ce qu'après la répartition et le compactage du premier mélange de béton (10a), le sens de rotation de l'outil de compactage (5, 11, 13) est modifié.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce qu'après la répartition et le compactage du premier mélange de béton (10a), la vitesse de rotation de l'outil de compactage (5, 11, 13) est modifiée.
  5. Utilisation d'un outil de compactage dans un procédé selon l'une des revendications précédentes, pour la fabrication d'un tuyau multicouches en béton (10) dans un surmoule (14), dans lequel l'outil de compactage comporte au moins un rouleau de répartition ou de compactage (5, 11) et/ou au moins un piston de compactage ou de lissage (13), qui possèdent une enveloppe externe pour former une paroi interne du tuyau en béton (10) et qui tournent autour d'un axe entraîné (2), et dans lequel l'au moins un rouleau de répartition ou de compactage (5, 11) et/ou l'au moins un piston de compactage ou de lissage (13) sont reliés de telle manière avec l'axe entraîné par un dispositif de réglage (3, 6, 7), que l'espacement entre l'enveloppe externe et l'axe entraîné (2) est modifiable.
  6. Utilisation selon la revendication 5, caractérisée en ce que le dispositif de réglage comporte un guidage à coulisse (3) s'étendant sur une voie courbe ou droite, entre deux points, avec un espacement différent par rapport à l'axe entraîné (2), ainsi qu'un coulisseau (4) glissant dans le guidage à coulisse (3).
  7. Utilisation selon la revendication 5, caractérisée en ce que le dispositif de réglage comporte un levier pivotant (7), monté de façon excentrée par rapport à l'axe entraîné (2) et relié à l'au moins un rouleau de répartition ou de compactage (5, 11) et/ou à l'au moins un piston de compactage ou de lissage (13), et dont l'extrémité détournée du palier de montage (8) peut pivoter entre deux points (9a, 9b), avec un espacement différent par rapport à l'axe entraîné (2).
  8. Utilisation selon la revendication 5, caractérisée en ce que le dispositif de réglage comporte au moins un moteur d'entraînement (6) actionnable de façon électrique, hydraulique ou pneumatique, qui est attribué à l'au moins un rouleau de répartition ou de compactage (5, 11) et/ou à l'au moins un piston de compactage ou de lissage (13).
  9. Utilisation selon la revendication 8, caractérisée en ce que l'axe entraîné (2) est formé par au moins deux arbres creux coaxiaux, disposés l'un dans l'autre, et en ce qu'une ligne électrique, hydraulique ou pneumatique traverse l'arbre creux interne, jusqu'au dispositif de réglage (3, 6, 7).
  10. Utilisation selon la revendication 5, caractérisée en ce que l'axe entraîné (2) est formé par deux arbres creux coaxiaux, disposés l'un dans l'autre, dans lequel un arbre supplémentaire, destiné à l'entraînement du dispositif de réglage (3, 6, 7), est introduit dans l'arbre creux interne.
  11. Utilisation selon l'une des revendications 5 à 10, dans laquelle l'outil de compactage est caractérisé par un répartiteur avec plusieurs rouleaux de répartition (11) ou patins de répartition agissant essentiellement radialement, un compacteur avec plusieurs rouleaux de compactage (5) ou patins de compactage agissant essentiellement radialement, ainsi qu'un outil de lissage (13).
  12. Utilisation selon la revendication 11, caractérisé en ce que le répartiteur (11) tourne dans le sens opposé par rapport au compacteur (5) et à une vitesse variable autour de l'axe entraîné (2).
  13. Utilisation selon l'une des revendications 5 à 12, caractérisée par une tête de pulvérisation, destinée à la répartition et au compactage de mélanges de béton et disposée au-dessus de l'outil de lissage (13).
  14. Utilisation selon l'une des revendications 5 à 13 dans un dispositif pour la fabrication d'un tuyau multicouches en béton (10), avec au moins un support, dans lequel est disposé un outil de compactage entraînable, au moins un disque rotatif, sur lequel plusieurs surmoules (14) disposés verticalement peuvent être insérés dans un support en cadence par pivotement, et au moins un dispositif d'alimentation pour le remplissage d'au moins un mélange de béton dans l'un des surmoules (14).
  15. Utilisation selon la revendication 14, caractérisée en ce qu'au moins deux dispositifs d'alimentation sont attribués à un support.
  16. Utilisation selon la revendication 15, caractérisée en ce qu'au moins l'un des dispositifs d'alimentation comporte un silo en béton avec une bande de remplissage attribuée.
  17. Utilisation selon l'une des revendications 15 ou 16, caractérisée en ce que l'un des dispositifs d'alimentation comporte une pompe à béton avec un tube de pompe.
EP04006777A 2003-03-31 2004-03-20 Procédé et utilisation d'un dispositif de fabrication de tuyaux multicouches en béton Expired - Lifetime EP1473128B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10314722A DE10314722C5 (de) 2003-03-31 2003-03-31 Vorrichtung und Verfahren zur Herstellung von mehrschichtigen Betonrohren
DE10314722 2003-03-31

Publications (3)

Publication Number Publication Date
EP1473128A2 EP1473128A2 (fr) 2004-11-03
EP1473128A3 EP1473128A3 (fr) 2006-03-22
EP1473128B1 true EP1473128B1 (fr) 2010-01-20

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EP04006778A Expired - Lifetime EP1473129B1 (fr) 2003-03-31 2004-03-20 Procédé et dispositif de fabrication de tuyaux multicouches en béton
EP04006777A Expired - Lifetime EP1473128B1 (fr) 2003-03-31 2004-03-20 Procédé et utilisation d'un dispositif de fabrication de tuyaux multicouches en béton

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US (2) US7763201B2 (fr)
EP (2) EP1473129B1 (fr)
AT (2) ATE483565T1 (fr)
CA (2) CA2462655A1 (fr)
DE (4) DE10314722C5 (fr)
DK (2) DK1473129T3 (fr)
ES (2) ES2339445T3 (fr)

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Publication number Priority date Publication date Assignee Title
EP2377659A1 (fr) 2010-04-16 2011-10-19 Schlosser-Pfeiffer GmbH Installation et procédé de fabrication d'une conduite en béton
CN109875320B (zh) * 2019-02-28 2019-11-22 高秀铃 一种针织帽展示架
CN115958691A (zh) * 2022-12-29 2023-04-14 江苏中意建材机械有限公司 一种高效节能砼制管机

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CH383861A (de) * 1961-05-05 1964-10-31 Graber & Wening Ag Vorrichtung zur Herstellung von Zementrohren
US3262175A (en) * 1964-07-29 1966-07-26 Hydrotile Machinery Concrete pipe machine
DE1646760A1 (de) * 1968-03-13 1971-09-02 Wilhelm Dr Meyer Verfahren und Vorrichtung zum Abdichten von Betonformlingen
US3632270A (en) * 1969-03-14 1972-01-04 Clifford Aubrey Baker Manufacture of concrete pipes
US4041118A (en) * 1975-02-05 1977-08-09 Atlantic Pipe Corporation Method and apparatus for making concrete pipe
DE2639653A1 (de) * 1976-09-03 1978-03-09 Hacheney Wilfried Vorrichtung zur innenauskleidung von rohren mit zementmoertel bzw. plastischen schutzschichten zur erzielung hoechster massgenauigkeit und oberflaechenglaette
US4197074A (en) * 1976-12-12 1980-04-08 Hydrotile Canada Limited Bell packer for a pair of pallets
US4340553A (en) * 1978-12-29 1982-07-20 Hydrotile Machinery Company Machine and method for making concrete product
SU806427A1 (ru) * 1979-04-06 1981-02-23 Московский Ордена Трудового Красногознамени Инженерно-Строительный Институтим. B.B.Куйбышева Установка дл формовани трубчатыхиздЕлий
SU804455A1 (ru) * 1979-04-06 1981-02-15 Московский Ордена Трудового Красногознамени Инженерно-Строительный Институтим.B.B.Куйбышева Установка дл формовани трубчатыхиздЕлий
US4690631A (en) * 1986-03-06 1987-09-01 Hydrotile Machinery Company Packerhead with elastic rollers
DE3807511A1 (de) * 1988-03-08 1989-09-21 Gregor Kern Verfahren zur herstellung von betonrohren und rohrpresse zur durchfuehrung des verfahrens
US4957424A (en) * 1989-03-13 1990-09-18 Hydrotile Machinery Company Concrete pipe making machine
DK71291D0 (da) * 1991-04-19 1991-04-19 Pedershaab Maskinfabrik As Maskine til med to indbyrdes aksialt forskydelige glideforskallingsformparter af stoebe hule legemer, isaer betonroer
ATE257766T1 (de) * 2001-11-02 2004-01-15 Iff Weimar Formgebungseinrichtung zur herstellung von rohren aus betongemenge

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ES2353659T3 (es) 2011-03-03
US20040237848A1 (en) 2004-12-02
DK1473128T3 (da) 2010-05-25
DE20308360U1 (de) 2003-08-28
DE502004011720D1 (de) 2010-11-18
DE10314722C5 (de) 2010-03-04
DK1473129T3 (da) 2011-01-31
US20040227274A1 (en) 2004-11-18
ES2339445T3 (es) 2010-05-20
EP1473128A2 (fr) 2004-11-03
CA2464231A1 (fr) 2004-09-30
EP1473128A3 (fr) 2006-03-22
EP1473129A2 (fr) 2004-11-03
DE10314722B3 (de) 2004-09-02
CA2462655A1 (fr) 2004-09-30
EP1473129A3 (fr) 2005-12-28
US7763201B2 (en) 2010-07-27
EP1473129B1 (fr) 2010-10-06
ATE483565T1 (de) 2010-10-15
ATE455635T1 (de) 2010-02-15
DE502004010656D1 (de) 2010-03-11

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