EP0958904A1 - Méthode et dispositif pour le moulage d'éléments de construction à base de chaux et de sable - Google Patents

Méthode et dispositif pour le moulage d'éléments de construction à base de chaux et de sable Download PDF

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Publication number
EP0958904A1
EP0958904A1 EP99201586A EP99201586A EP0958904A1 EP 0958904 A1 EP0958904 A1 EP 0958904A1 EP 99201586 A EP99201586 A EP 99201586A EP 99201586 A EP99201586 A EP 99201586A EP 0958904 A1 EP0958904 A1 EP 0958904A1
Authority
EP
European Patent Office
Prior art keywords
mortar
belt
mould cavity
conveyor
sand
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.)
Withdrawn
Application number
EP99201586A
Other languages
German (de)
English (en)
Inventor
Boudewijn Johannes Geul
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.)
VAN DEN BRINK GROUP B.V.
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0958904A1 publication Critical patent/EP0958904A1/fr
Withdrawn legal-status Critical Current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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • B28B5/026—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length
    • B28B5/027—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously 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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
    • B28B3/123—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt
    • 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
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
    • B28B3/126—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material on material passing directly between the co-operating rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band

Definitions

  • the invention relates to the fabrication of products such as bricks, blocks or panels made from a settable mortar.
  • the invention relates to the production of sand-lime products.
  • a moulding die of this nature usually comprises a moulding box which is closed off on the underside by means of a pressure plunger and on the top side by means of a pressure plate or a second moulding plunger.
  • the mortar in the moulding box is compressed, after which the compressed product is ejected by means of the bottom moulding plunger. Finally, the product is convened in an autoclave under the influence of saturated steam and heat; in the case of a mortar comprising lime and sandstone, the result is hydrated calcium silicate, otherwise known as lime sandstone.
  • This known method has a number of drawbacks. Firstly, a different moulding die is required for each format. Only one dimension, namely the height, can be varied for each moulding die.
  • the successive method steps of filling, compressing and ejecting require a relatively long time.
  • the method is energy-intensive, as a result of the high speeds, accelerations and decelerations involved in achieving a reasonable production capacity.
  • US-A-1,473,044 has disclosed a method for moulding products from a settable mortar, comprising the following steps:
  • the object of the invention is therefore to provide a method for fabricating products made from sand-lime which have an improved mechanical resistance to such loads.
  • This object is achieved by means of a method for moulding products from a settable mortar, such as sand-lime products, comprising the following steps:
  • the reinforcement used may be any kind of materials which are able to withstand a temperature of 200°C, which is the temperature in the autoclave during the conversion process.
  • the reinforcement may comprise metal or plastic, and may be in the form of rods, wires, mats and the like.
  • the method according to the invention comprises in particular the step of moving the mortar through a mould cavity, the cross-sectional dimensions of which decrease gradually, transversely with respect to the conveying direction, in order to compress the mortar.
  • the compression is carried out by the step of moving the mortar through a mould cavity using parallel top and bottom belt-like mechanisms which are at a distance from one another which decreases gradually in the conveying direction.
  • the invention also relates to a device for moulding products using the method described above.
  • This device comprises a conveyor belt, means for feeding a mortar to the conveyor belt, as well as at least two further belts which extend along the conveyor belt and, together with the conveyor belt, enclose a mould cavity for moulding the mortar as it is conveyed, as well as means for feeding a reinforcement into the mould cavity.
  • the dimensions of the cross-section decrease in the conveying direction.
  • three further belts are provided, one of which extends at a distance above the conveyor belt, and the other two of which extend at a distance from one another, so as to bridge the distance between the conveyor belt and the belt situated above it.
  • the distance between the conveyor belt and the belt situated above it decreases in the conveying direction.
  • the mould cavity can be closed off by the conveyor belt and the belt situated above it being enclosed between the two further belts.
  • the conveyor belt and the further belts, over their part which faces towards the mould cavity may be supported by support rolls.
  • the conveyor belt and the further belts, over their part which faces towards the mould cavity may also be subjected to a tensile load in order to reduce deviations.
  • the invention relates to a moulded product, comprising a block-like or plate-like body made of compressed mortar and a reinforcement which extends between two oppositely directed faces of the product.
  • mortar for example a mixture of lime and sandstone
  • the mortar is distributed uniformly over the surface of the conveyor belt 7.
  • Both the belt 6 and the conveyor belt 7 are in any case supported, at the location of the nip, by a number of rolls 12 which are positioned closely together and ensure that the surface of the mutually facing parts 9, 10 does not deviate under the pressure exerted by the mortar material.
  • the parts 9, 10 are placed under a tensile load.
  • a wire-like or cable-like reinforcement 13 may also be arranged in the extrudate 8 via the access 15. This reinforcement 13 is pulled into the nip between the parts 9, 10 of the belts 7, 6 with the mortar.
  • the reinforcement 13 may also comprise mats or a mesh or the like.
  • the device illustrated in Figures 4-7 comprises substantially the same components as the device in accordance with Figures 1 and 3, such as a container 1, belt 2 and spreader 3. There is also a conveyor belt 7, which is guided around the reversing rolls 16, 17. The belt 6 situated above it is guided around the reversing rolls 18, 19. The side belts 4, 5 are guided around the reversing rolls 20, 21.
  • the distance between the conveyor belt 7 and the top belt 6 can be adjusted by means of a series of hydraulic adjustment devices 22 which interact with the top belt 6, and by a series of bottom hydraulic adjustment devices 23, which interact with the top part 10 of the bottom belt 7.
  • the side belts 4 and 5 are each supported by means of rolls 24, 25.
  • each pair of adjustment devices 22, 23 comprises two hollow hydraulic piston-cylinder units, through which the tension rods 27 pass.
  • the rolls 24, 25 are also rotatably mounted on these tension rods by means of bearings 28.
  • the hydraulic piston-cylinder units 26 each interact with a yoke 29, provided with a number of roller chains or axle chains 30 which extend one behind the other in the conveying direction and move along with the belts.
  • roller chains or axle chains 30 support the conveyor belts 6, 7, in particular their mutually facing parts 9, 10.
  • the yokes 29 furthermore support roller chains 31, over which the parts 32, 33 which face away from one another are guided.
  • each roller chain 30 comprises a relatively large number of rolls, thus ensuring a uniform pressure for the conveyor belts 6, 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
EP99201586A 1998-05-19 1999-05-19 Méthode et dispositif pour le moulage d'éléments de construction à base de chaux et de sable Withdrawn EP0958904A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1009217A NL1009217C2 (nl) 1998-05-19 1998-05-19 Werkwijze en inrichting voor het vormen van kalkzandsteenproducten.
NL1009217 1998-05-19

Publications (1)

Publication Number Publication Date
EP0958904A1 true EP0958904A1 (fr) 1999-11-24

Family

ID=19767173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99201586A Withdrawn EP0958904A1 (fr) 1998-05-19 1999-05-19 Méthode et dispositif pour le moulage d'éléments de construction à base de chaux et de sable

Country Status (2)

Country Link
EP (1) EP0958904A1 (fr)
NL (1) NL1009217C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1226927A2 (fr) * 2001-01-29 2002-07-31 Evoluzioni di Mauro Comastri Presse linéaire pour le compactage de poudres
WO2004106024A1 (fr) * 2003-05-30 2004-12-09 E.I.F.S. Holdings Limited Procede et appareil de formation d'une ame de panneau de construction
EP2377689A1 (fr) * 2010-04-13 2011-10-19 Lamistone S.L. Procédé de préparation d'un revêtement mural ayant l'apparence et la texture de la pierre et produit obtenu de la sorte
WO2020184835A1 (fr) * 2019-03-12 2020-09-17 주식회사 엘지화학 Appareil et procédé de stratification pour batterie secondaire
CN113634312A (zh) * 2021-08-18 2021-11-12 科达制造股份有限公司 一种陶瓷辊压设备
DE102021121013A1 (de) 2021-08-12 2023-02-16 KB Engineering GmbH Verfahren zur Herstellung von ein- oder mehrschichtigen Formelementen, insbesondere von Wand- oder Steinelementen, sowie zugehörige Anlage

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE125598C (fr) *
US1423020A (en) * 1920-09-18 1922-07-18 A T Eddingston Molding machine
US1473044A (en) * 1920-04-22 1923-11-06 A T Eddingston Molding machine
US1749009A (en) * 1926-07-23 1930-03-04 United States Gypsum Co Plaster board
DE553530C (de) * 1929-07-10 1932-08-05 Charles Albert Houques Fourcad Maschine zur Herstellung von Bodenbelegen, Platten usw. aus armiertem Fibro-Zement
AT137527B (de) * 1932-12-28 1934-05-11 Gustav Ing Ostersetzer Verfahren und Vorrichtung zur Herstellung von Platten aus faserstoffhaltigen Massen.
US2156308A (en) * 1935-01-26 1939-05-02 Bakelite Building Prod Co Inc Art of manufacturing cement-fibrous products
DE1683991A1 (de) * 1967-11-18 1971-04-08 Buettner Schilde Haas Ag Vorrichtung zur kontinuierlichen Herstellung von Gipsplatten
FR2308479A1 (fr) * 1975-04-21 1976-11-19 Babu Jean Pierre Procede et installation pour le moulage en continu d'elements de construction prefabriques en platre ou materiau equivalent, et elements ainsi obtenus
FR2323504A1 (fr) * 1975-09-11 1977-04-08 Knut Dederichs Stahl Maschinen Procede de fabrication de panneaux de construction et dispositif pour sa mise en oeuvre
US4031285A (en) * 1971-10-21 1977-06-21 Miller Charles H Lightweight, reinforced foamed organic polymer and cementitious material structure
EP0085318A1 (fr) * 1982-01-30 1983-08-10 SICOWA Verfahrenstechnik für Baustoffe GmbH & Co. KG Dispositif pour le chauffage d'une coulée en matériau conducteur électrique ainsi que son application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226625C2 (de) * 1982-07-16 1986-04-30 Bernardus Gerhardus Wielens Verfahren zum Herstellen von Verblenderplatten und Egalisierplatte zur Durchführung des Verfahrens

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE125598C (fr) *
US1473044A (en) * 1920-04-22 1923-11-06 A T Eddingston Molding machine
US1423020A (en) * 1920-09-18 1922-07-18 A T Eddingston Molding machine
US1749009A (en) * 1926-07-23 1930-03-04 United States Gypsum Co Plaster board
DE553530C (de) * 1929-07-10 1932-08-05 Charles Albert Houques Fourcad Maschine zur Herstellung von Bodenbelegen, Platten usw. aus armiertem Fibro-Zement
AT137527B (de) * 1932-12-28 1934-05-11 Gustav Ing Ostersetzer Verfahren und Vorrichtung zur Herstellung von Platten aus faserstoffhaltigen Massen.
US2156308A (en) * 1935-01-26 1939-05-02 Bakelite Building Prod Co Inc Art of manufacturing cement-fibrous products
DE1683991A1 (de) * 1967-11-18 1971-04-08 Buettner Schilde Haas Ag Vorrichtung zur kontinuierlichen Herstellung von Gipsplatten
US4031285A (en) * 1971-10-21 1977-06-21 Miller Charles H Lightweight, reinforced foamed organic polymer and cementitious material structure
FR2308479A1 (fr) * 1975-04-21 1976-11-19 Babu Jean Pierre Procede et installation pour le moulage en continu d'elements de construction prefabriques en platre ou materiau equivalent, et elements ainsi obtenus
FR2323504A1 (fr) * 1975-09-11 1977-04-08 Knut Dederichs Stahl Maschinen Procede de fabrication de panneaux de construction et dispositif pour sa mise en oeuvre
EP0085318A1 (fr) * 1982-01-30 1983-08-10 SICOWA Verfahrenstechnik für Baustoffe GmbH & Co. KG Dispositif pour le chauffage d'une coulée en matériau conducteur électrique ainsi que son application

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1226927A2 (fr) * 2001-01-29 2002-07-31 Evoluzioni di Mauro Comastri Presse linéaire pour le compactage de poudres
EP1226927A3 (fr) * 2001-01-29 2003-09-10 Evoluzioni di Mauro Comastri Presse linéaire pour le compactage de poudres
WO2004106024A1 (fr) * 2003-05-30 2004-12-09 E.I.F.S. Holdings Limited Procede et appareil de formation d'une ame de panneau de construction
EP2377689A1 (fr) * 2010-04-13 2011-10-19 Lamistone S.L. Procédé de préparation d'un revêtement mural ayant l'apparence et la texture de la pierre et produit obtenu de la sorte
WO2020184835A1 (fr) * 2019-03-12 2020-09-17 주식회사 엘지화학 Appareil et procédé de stratification pour batterie secondaire
KR20200109042A (ko) * 2019-03-12 2020-09-22 주식회사 엘지화학 이차전지용 라미네이션장치 및 방법
DE102021121013A1 (de) 2021-08-12 2023-02-16 KB Engineering GmbH Verfahren zur Herstellung von ein- oder mehrschichtigen Formelementen, insbesondere von Wand- oder Steinelementen, sowie zugehörige Anlage
CN113634312A (zh) * 2021-08-18 2021-11-12 科达制造股份有限公司 一种陶瓷辊压设备

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Publication number Publication date
NL1009217C2 (nl) 1999-11-25

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