EP1261465B1 - Surmoule - Google Patents

Surmoule Download PDF

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Publication number
EP1261465B1
EP1261465B1 EP01925374A EP01925374A EP1261465B1 EP 1261465 B1 EP1261465 B1 EP 1261465B1 EP 01925374 A EP01925374 A EP 01925374A EP 01925374 A EP01925374 A EP 01925374A EP 1261465 B1 EP1261465 B1 EP 1261465B1
Authority
EP
European Patent Office
Prior art keywords
mould shell
face
locking
jacket
actuating unit
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
EP01925374A
Other languages
German (de)
English (en)
Other versions
EP1261465A1 (fr
Inventor
Meinrad Hirlinger
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.)
BFS Betonfertigteilesysteme GmbH
Original Assignee
BFS Betonfertigteilesysteme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BFS Betonfertigteilesysteme GmbH filed Critical BFS Betonfertigteilesysteme GmbH
Publication of EP1261465A1 publication Critical patent/EP1261465A1/fr
Application granted granted Critical
Publication of EP1261465B1 publication Critical patent/EP1261465B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • 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
    • B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
    • 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
    • B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
    • B28B7/0044—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls

Definitions

  • the invention relates to a molded jacket for the production of moldings, especially for the production of concrete pipes, which is used to prepare the Production of the moldings can be brought into a closed production position and for demoulding the manufactured molded bodies starting from this production position is openable, with two for closing or opening the Sheath of a mold jacket movable relative to each other Safety device is provided, by means of which the molded jacket in the Manufacturing position can be secured, the securing device further comprises at least one locking element, which on one of the shaped jacket sections is attached, and at least one counter-locking element, the is attached to the other mold section, and wherein the at least one locking element by means of an actuating element between a position corresponding to the production position of the shaped jacket Locked position in which it is associated with Counter-locking element is in locking engagement, and an unlocking position, in which the locking engagement is released, is adjustable.
  • Shapes of this type are used in particular for the production of reinforced or Reinforced concrete pipes used, for example in sewer systems be used.
  • a concrete pipe the molded jacket in the closed state, in which it, for example, a can have a substantially cylindrical shape, on a Production table made of a manufacturing machine, such as from the brochure "SOUVERAEN, the symbiosis of experience and ingenuity", the Baumgärtner GmbH Maschinenfabrik with the printing note W & P-JB-LeR-VN1-4 / 96-2.D is known.
  • the closed shell is filled with concrete, which is then by an inside of the shell along its longitudinal axis Movable pressing tool tubular on the inner walls of the molded jacket is compressed.
  • the finished, but not yet cured Shaped jacket containing concrete pipe then from the manufacturing machine removed and transported to a storage location for curing and parked there. After opening the shell for relief the formwork is then removed from the concrete pipe. Because of the weight and size of the shape coats become theirs Transport into and out of the production machine as well as in the corresponding production hall usually cranes, forklifts and the like used.
  • both "Spring form coats” as well as “folding form coats” can be used to to address only the most common types of molded shells.
  • the at least two Includes pivotally hinged molded jacket parts.
  • these can be two essentially semi-cylindrical trained molded jacket parts.
  • the Shaped jacket according to the invention from a larger number of Molded jacket parts is formed, for example three molded jacket parts, wherein two quarter-circle shaped jacket parts foldable on a semicircular shaped jacket part articulated and with each other by the securing device are connectable.
  • the hinged to each other Molded jacket parts for "opening" the molded jacket from one another pivoted away and again to "close” the form jacket swung shut and then by means of the safety device secured to each other.
  • Folded shaped coats have the advantage compared to spring shaped coats to make less demands on the manufacturing environment.
  • Spring form coats have to be removed "above head", i.e. to above, be pulled off the finished concrete pipe, which is one of them suitable lifting devices and a sufficient height of the Production hall presupposes.
  • Folded shaped coats can be in easily accepted laterally from the finished concrete pipe.
  • the "Overhead" bowls are also more time-consuming because the Sheath a distance corresponding to the pipe length at least twice must drive through.
  • the at least one locking element is manually electrically, hydraulically or pneumatically between its locking position and adjusted its unlocked position.
  • This adjustment requires dedicated personnel or must be provided by workers be carried out with the insertion of the molded jacket into the production machine, their operation and the subsequent removal of the molded jacket from the production machine.
  • electrical, hydraulic or pneumatic adjustment must also be suitable Power devices and supply connections are provided for these power devices his. Also goes through the connection and disconnection of the supply connections and operating the strength equipment lost valuable operating time. All in all is the actuation of the safety device with machine or / and personnel and / or time expenditure, which in particular economically disadvantageous in the series production of concrete pipes is.
  • NL 691529 A discloses the features of the preamble of claim 1.
  • this object is achieved by a molded jacket at the beginning mentioned type, in which the actuating unit due to relative movements of Sheath on the one hand and its manufacturing environment on the other between one of the locking position of the locking element corresponding Unlocking ready position and one of the unlocking position corresponding locking ready position is transferable.
  • the actuating unit of the invention Sheath for example after inserting the sheath in the Manufacturing machine by means of the sinking onto the mold jacket Machine table automatically in the sense of a lock and when The form jacket is deposited on a hall floor or the like of the molded jacket itself is automatically adjusted in the sense of unlocking become.
  • the molded jacket After completing a production step in the manufacturing machine, during which the at least one locking element of the securing device is in its locking position and the actuating unit thus protrudes beyond the lower end face of the shaped jacket the molded jacket, for example with the help of a forklift from the production machine removed and at a desired location on the Floor, usually the floor of a production hall.
  • the molded jacket is initially set down with the protruding downward Actuator on the floor, which is determined by the weight of the Sheath and the concrete pipe contained in it relative to Mold jacket is pressed up until the entire mold jacket with its lower face is on the floor.
  • the actuation unit is when you release the shell from its unlocking position pressed out, and the associated at least one Locking element is automatically moved from its locking position to the Unlocked position adjusted. This is in contrast to the State-of-the-art form coats are therefore not separate Steps required. After opening the shell, it can can be easily removed from the concrete pipe.
  • the operating unit in its unlocking ready position in an area between the first end face and the second end face, however, the first end face is adjacent, arranged and in it Lock-ready position in an area between the first Face and the second face, but the second face adjacent, is arranged, preferably with one each predetermined, non-vanishing distance from the first or the second end face, this can reduce the risk of deformation of the Actuating unit when opening or closing the shaped jacket Loops on the floor or the like prevented in a simple manner become.
  • the shaped jacket according to the invention is in its ready-to-lock position Actuating unit protruding downwards pressed and thus the associated locking element that extends up to this Time in his. Unlocked position was in the locked position emotional.
  • the operating unit can basically have a variety of embodiments, which is an implementation of their relocation movement from a standby position in the other standby position in a corresponding one Allow adjustment of the at least one locking element.
  • the actuating unit preferably in the longitudinal direction of the Shaped shiftable actuating rod comprises, which preferably has a greater length than the shaped jacket.
  • the Actuating rod on at least one end in its longitudinal direction has adjustable length adjustment element, for example at least one Bolts screwed in sections into or onto the actuating rod.
  • adjustable length adjustment element for example at least one Bolts screwed in sections into or onto the actuating rod.
  • This allows the length of the bar to be adjusted to the parameters, that determine their pushing away from a standby position. It can For example, on extremely uneven floors on which the it is advisable to turn off the molded jacket according to the invention Actuating rod by unscrewing one at its lower end to extend the provided bolt.
  • An extension can accordingly the actuating rod by unscrewing one opposite bolt may be important if a sufficiently deep one Lowering the machine table is not completely guaranteed.
  • the actuating unit of the shaped jacket according to the invention after it has been removed from the production machine in the unlocking ready position, in which they over the lower face of the Form jacket protrudes and from which it when the form jacket is put down on the floor automatically in the direction of the lock-ready position is deflected.
  • the shaped jacket When inserting the shaped jacket into the Production machine, it is in the lock ready position, in which it protrudes over the upper end face of the shaped jacket and out of it, for example, through the lowering machine table is deflected in the unlocking ready position.
  • this is at least one Locking element by a pivotable when the actuating unit is actuated Swivel bolt and the associated counter-bolt element by a from the swivel bolt when the swivel movement engages behind the pin educated.
  • the locking position of the locking element then corresponds the position in which the pivot bolt engages behind the pin
  • the Unlocking position corresponds to the position in which the Swivel bolt is pivoted away from the area of the pin.
  • the locking element and / or the counter-locking element be provided with wedge surfaces. This measure can be achieved be that through the securing device with each other connected molded parts not only against unintentional opening secured but braced against each other, which is good Sealing the molded jacket against undesired leakage of Molding compound, for example concrete, guaranteed.
  • the locking element and / or Counter-bolt element with a mechanism for adjusting the tension between locking element and counter-locking element in the locking position Is provided.
  • the formation of the locking element as This can be done, for example, by pivoting bolts that the pin eccentrically on a fastening axis attached to the molded jacket is stored.
  • At least one locking element the safety device with a handle section for manual Actuation is equipped.
  • a handle section allows, in the case a clamping of part of the safety device by hand, if necessary with the help of tools such as an extension tube on which Act security device to open or close it. It it goes without saying that such a grip section is correspondingly more stable Design can also be attached to the actuator.
  • the molded jacket according to the invention also Multiple production can be used, i.e. then when in one Operation of one and the same machine table a plurality of Shells are filled with molding compound, especially concrete, at the same time.
  • the shaped jacket 10 comprises a semicircular shaped jacket part 12 and two Quarter-circle shaped jacket parts 14, 16 by means of joints 18 on the semicircular shaped jacket part 12 are hinged hinged.
  • the shaped jacket parts 12, 14, 16 have outside in the same height in the circumferential direction Ribs 20 on the one hand the reinforcement of the invention Sheath 10 and on the other hand the attachment of (not shown) mechanical or electrical accessories.
  • Swivel lock 22 in the vicinity of that longitudinal edge of the quarter-circle shaped jacket part 14 attached, not for articulation on the semicircular shaped jacket part 12 serves.
  • the four swivel bolts 22 are on their from Quarter-circle shaped jacket part 16 ends pointing away at one joint actuating rod 24 articulated. Becomes the operating rod 24 from the position shown in Fig. 1, in which it over the upper end face 10a of the molded jacket 10 protrudes into the position shown in FIG.
  • the operating rod 24 longer than that Sheath 10, so that it always has at least one of its two End faces, i.e. over the upper and / or over the lower end face survives.
  • the operating rod 24 is always in at least one of the two standby positions.
  • the Actuating rod 24 occupies an undesirable intermediate position, in which it protrudes over both end faces of the molded jacket 10, and to prevent the operating rod 24, for example when inserting of the shell 10 in the manufacturing machine by a light Shock is shifted downward, the molded jacket 10 has a Over-center mechanism 28.
  • the spring 32 presses the actuating rod 24 in dependence from their current position to one of the two Standby positions.
  • the dead center mechanism supports this 28 with suitable dimensioning of the spring 32 and appropriate choice of their attachment points on the attachment plate 30 and on the actuating rod 24, the mode of operation according to the invention:
  • the molded jacket 10 shown in FIG. 1 is placed in the unlocked position located swivel bolts 22 and accordingly in the lock ready position located actuator rod 24 in the Machine and starts it, so the machine table is first lowered onto the upper end face of the molded jacket 10, the Actuating rod 24 presses down.
  • the length of the operating rod 24 to the dimensions of the manufacturing machine and in particular of the machine table mentioned is at the upper end of the operating rod 24 a partially screwed into the operating rod 24 Bolt 34 provided.
  • a corresponding length adjustment bolt can also be provided at the lower end of the actuating rod 24 his.
  • the machine table is completely on the top face of the form jacket 10 lowered, the shaped jacket 10 is in the in FIG. 2nd shown position, in which the pivot bolts 22 engage behind the pins 26 and thus secure the molded jacket.
  • an inadvertent unlocking of the mold jacket 10 i.e. an accidental adjustment of the pivot bolt 22 from their Locking position in their unlocking position excluded that the lying on top of the mold jacket 10 Machine table the required upward movement of the actuating rod 24 prevented.
  • the over-dead center mechanism 28 now prevents 28 such an unintentional unlocking.
  • the Spring 32 of the dead center mechanism 28 is namely in the downward shift the operating rod 24 in the manufacturing machine over their Dead center, i.e. - Moved beyond the point of maximum compression has been, and therefore acts on the operating rod 24 down in Direction of their position shown in Fig. 2.
  • the second pivot bolt 22 equipped from below with a handle portion 36.
  • This grip section 36 allows a manual action on the operating rod 24 and thus to the entire safety device, for example in the case described by striking the handle portion 36 with a hammer it goes without saying that, if appropriate, several and even all of the swivel bolts 22 of the Security device may be equipped with such handle portions 36 can.
  • the molded jacket according to the invention can in the manner described can be unlocked or locked quickly and reliably without this special personnel or time expenditure is required and without that this is a pneumatic, hydraulic or electrical energy source provided and connected to the molded jacket 10.
  • the shaped jacket 10 according to the invention therefore enables a more economical one Manufacturing and especially mass production of concrete pipes, in particular due to the fact that he is easily along with existing manufacturing machines can be used.
  • the Shaped jacket 10 according to the invention not to that described by way of example Embodiment limited.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Glass Compositions (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Physical Vapour Deposition (AREA)
  • Disintegrating Or Milling (AREA)
  • Saccharide Compounds (AREA)

Claims (15)

  1. Surmoule (10) pour la fabrication de pièces moulées, notamment pour la fabrication de tubes de béton,
       le surmoule (10) pouvant, pour préparer la fabrication des moules, être amené dans une position de fabrication fermée et pouvant être ouvert pour le démoulage des pièces moulées à partir de cette position de fabrication,
       un dispositif de fixation à l'aide duquel le surmoule (10) peut être fixé dans la position de fabrication se trouvant au niveau de deux parties (14, 16) du surmoule (10) mobiles l'une par rapport à l'autre,
       le dispositif de fixation comprenant au moins un élément de verrouillage (22) disposé au niveau d'une (14) des parties du surmoule (14, 16), ainsi qu'au moins élément de contre-verrouillage (26) disposé au niveau de l'autre partie (16) du surmoule.
       l'élément de verrouillage (22) pouvant être ajusté, à l'aide d'une unité d'actionnement (24), entre une position de verrouillage, correspondant à la position de fabrication du surmoule (10), dans laquelle il se trouve en emboítement de verrouillage avec l'élément de contre-verrouillage (26) correspondant, et une position de déverrouillage, dans laquelle l'emboítement de verrouillage est relâché,
       caractérisé en ce que l'unité d'actionnement (24) dépasse, dans une position d'attente de déverrouillage correspondant à la position de verrouillage de l'élément de verrouillage (22), au-dessus de la face frontale inférieure (10b) du surmoule (10), lors de l'utilisation du surmoule (10), et en ce que qu'elle dépasse, dans une position d'attente de verrouillage correspondant à la position de déverrouillage, au-dessus la face frontale supérieure (10a) du surmoule (10), lors de l'utilisation du surmoule (10), et en ce que l'unité d'actionnement (24), du fait de mouvements relatifs du surmoule, dus au processus de fabrication, d'une part, et du fait de l'environnement de fabrication, d'autre part, peut être réglé entre la position d'attente de déverrouillage et d'attente de verrouillage, le passage de la position d'attente de déverrouillage vers la position d'attente de verrouillage étant réalisé lors de la pose du surmoule (10) sur un sol ou autre, par interaction de l'extrémité inférieure de l'unité d'actionnement (24) avec le sol ou autre.
  2. Surmoule selon la revendication 1, caractérisé en ce que l'unité d'actionnement (24) comprend une tige d'actionnement (24) mobile de préférence dans le sens longitudinal du surmoule (10).
  3. Surmoule selon la revendication 2, caractérisé en ce que la tige d'actionnement (24) présente une longueur supérieure à celle du surmoule (10).
  4. Surmoule selon la revendication 2 ou 3, caractérisé en ce que la tige d'actionnement (24) présente, à au moins une extrémité, un élément de réglage de la longueur (34) mobile dans le sens longitudinal, par exemple un boulon vissé partiellement dans ou sur la tige d'actionnement.
  5. Surmoule selon l'une des revendications précédentes, caractérisé en ce qu'un mécanisme de point mort supérieur (28) est prévu, qui précontraint l'unité d'actionnement (24) en fonction de sa position en direction d'une des deux positions d'attente.
  6. Surmoule selon l'une des revendications précédentes, caractérisé en ce qu'au moins un élément de verrouillage (22) est constitué d'un verrou (22) pivotant lors de l'actionnement par l'unité d'actionnement (24) et l'élément de contre-verrouillage (26) est constitué d'un axe (26) sur lequel s'emboíte, par l'arrière, le verrou pivotant (22), lors d'un mouvement de pivotement.
  7. Surmoule selon l'une des revendications précédentes, caractérisé en ce que l'élément de verrouillage (22) et/ou l'élément de contre-verrouillage (26) est muni de surfaces inclinées.
  8. Surmoule selon l'une des revendications précédentes, caractérisé en ce que l'élément de verrouillage (22) et/ou l'élément de contre-verrouillage (26) est muni d'un mécanisme de réglage de la tension entre l'élément de verrouillage (22) et l'élément de contre-verrouillage (26) dans la position de verrouillage.
  9. Surmoule selon les revendications 6 et 8 et, de façon souhaitable, la revendication 7, caractérisé en ce que l'axe (26) est disposé de manière excentrée sur un axe de fixation du surmoule (10).
  10. Surmoule selon l'une des revendications précédentes, caractérisé en ce qu'au moins un élément de verrouillage (22) du dispositif de fixation est muni d'une poignée (36) pour un actionnement manuel.
  11. Surmoule selon l'une des revendications précédentes, caractérisé en ce que plusieurs éléments de verrouillage (22), de préférence tous les éléments de verrouillage (22), peuvent être actionnés par une unité d'actionnement (24) commune.
  12. Surmoule selon l'une des revendications précédentes, caractérisé en ce qu'il comprend au moins deux parties de surmoule (12, 14, 16) qui pivotent l'une par rapport à l'autre.
  13. Surmoule selon la revendication 12, caractérisé en ce qu'il est constitué de trois parties de surmoule (12, 14, 16), deux parties du surmoule (14, 16) en quart de cercle étant articulées de façon pivotante par rapport à une partie de surmoule en demi-cercle (12) et pouvant être reliées entre elles à l'aide du dispositif de fixation.
  14. Surmoule selon l'une des revendications 1 à 11, caractérisé en ce qu'il comprend une paroi continue sur la circonférence, qui est interrompue seulement par une fente reliant les deux faces frontales du surmoule.
  15. Surmoule selon l'une des revendications précédentes, caractérisé en ce que l'unité d'actionnement (24) se trouve, dans sa position d'attente de déverrouillage, dans une zone entre la première face frontale (10b) et la deuxième face frontale (10a), mais à proximité de la première face frontale (10b), et dans sa position d'attente de verrouillage, dans une zone entre la première face frontale (10b) et la deuxième face frontale (10a), mais à proximité de la deuxième face frontale (10a), de préférence avec un intervalle, qui ne disparaít pas, par rapport à la première face frontale (10b) ou à la deuxième face frontale (10a).
EP01925374A 2000-03-06 2001-03-05 Surmoule Expired - Lifetime EP1261465B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10010917A DE10010917A1 (de) 2000-03-06 2000-03-06 Formmantel
DE10010917 2000-03-06
PCT/EP2001/002469 WO2001066326A1 (fr) 2000-03-06 2001-03-05 Surmoule

Publications (2)

Publication Number Publication Date
EP1261465A1 EP1261465A1 (fr) 2002-12-04
EP1261465B1 true EP1261465B1 (fr) 2004-08-11

Family

ID=7633726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01925374A Expired - Lifetime EP1261465B1 (fr) 2000-03-06 2001-03-05 Surmoule

Country Status (9)

Country Link
US (1) US6997429B2 (fr)
EP (1) EP1261465B1 (fr)
AT (1) ATE273114T1 (fr)
AU (1) AU2001252157A1 (fr)
DE (2) DE10010917A1 (fr)
ES (1) ES2225521T3 (fr)
PT (1) PT1261465E (fr)
TR (1) TR200402438T4 (fr)
WO (1) WO2001066326A1 (fr)

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Publication number Priority date Publication date Assignee Title
US7707708B2 (en) * 2005-09-21 2010-05-04 Rohr, Inc. Apparatus for making a tubular composite structure
US7640961B2 (en) * 2008-03-21 2010-01-05 Rohr, Inc. Apparatus and method for making a tubular composite barrel
US8025499B2 (en) 2008-11-03 2011-09-27 Rohr, Inc. Multi-segment tool and method for composite formation
US20120305333A1 (en) * 2011-06-03 2012-12-06 Coulthard Roger K Grain Rescue Tube
CN102490267A (zh) * 2011-11-29 2012-06-13 赵士才 一种方形通风管道的生产方法及专用模具
CN102974773B (zh) * 2012-11-15 2015-06-10 浙江永达电力实业股份有限公司 一种电杆浇注模具
CN102962889A (zh) * 2012-11-15 2013-03-13 浙江永达电力实业股份有限公司 电杆浇注模具连接装置
CN103770216A (zh) * 2014-01-09 2014-05-07 周兆弟 预制构件成型模上下合模机构及合模开模方法
CN103921349A (zh) * 2014-03-12 2014-07-16 周兆弟 预制构件成型模上下合模机构及合模开模方法
CN110774442A (zh) * 2019-10-18 2020-02-11 丹阳市废宝再生资源有限公司 一种废岩棉再生产合成机

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US1445907A (en) * 1920-05-29 1923-02-20 Theodore F Novy Column mold
GB675297A (en) * 1949-05-19 1952-07-09 Livingston Construction Compan Improvements in or relating to moulds for making pipes or like tubular articles fromconcrete
NL6901529A (fr) * 1969-01-30 1970-08-03
US3768954A (en) * 1969-06-03 1973-10-30 R Marsh Device for forming and handling concrete pipe
US3785607A (en) * 1971-12-30 1974-01-15 Concrete L Pipe Co Inc Apparatus for molding concrete columns
SE423877B (sv) * 1977-02-07 1982-06-14 A Betong Ab Sett att gjuta tunnveggiga ihaliga betongstolpar och form for utforande av settet
JPS55133909A (en) * 1979-04-06 1980-10-18 Hiroshi Kitamura Clamping device for cope and drag flask
JPS5711015A (en) * 1980-06-23 1982-01-20 Toyo Zouki Kk Connector for formwork of utility pole, pile, etc. in concrete

Also Published As

Publication number Publication date
TR200402438T4 (tr) 2004-12-21
ATE273114T1 (de) 2004-08-15
EP1261465A1 (fr) 2002-12-04
AU2001252157A1 (en) 2001-09-17
US6997429B2 (en) 2006-02-14
WO2001066326A1 (fr) 2001-09-13
PT1261465E (pt) 2004-11-30
DE50103221D1 (de) 2004-09-16
DE10010917A1 (de) 2001-09-13
US20030164438A1 (en) 2003-09-04
ES2225521T3 (es) 2005-03-16

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