EP1260334A1 - Verfahren und Vorrichtung zur Herstellung van Bauelementen - Google Patents

Verfahren und Vorrichtung zur Herstellung van Bauelementen Download PDF

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Publication number
EP1260334A1
EP1260334A1 EP02291216A EP02291216A EP1260334A1 EP 1260334 A1 EP1260334 A1 EP 1260334A1 EP 02291216 A EP02291216 A EP 02291216A EP 02291216 A EP02291216 A EP 02291216A EP 1260334 A1 EP1260334 A1 EP 1260334A1
Authority
EP
European Patent Office
Prior art keywords
mold
mixture
elements
plaster
water
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
Application number
EP02291216A
Other languages
English (en)
French (fr)
Other versions
EP1260334B1 (de
Inventor
François Baratin
Annick Brouard
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1260334A1 publication Critical patent/EP1260334A1/de
Application granted granted Critical
Publication of EP1260334B1 publication Critical patent/EP1260334B1/de
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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/04—Discharging the shaped articles
    • B28B13/06—Removing the shaped articles from moulds
    • 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
    • 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
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B28B3/08—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with two or more rams per mould
    • 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
    • B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation

Definitions

  • the present invention relates to a method and a device for manufacturing construction elements, in particular for interior walls of buildings, from a mixture of plaster, a filler such as sand and water.
  • the building blocks thus obtained have excellent, comparable mechanical properties to those of building stones they can be used in construction at the exit of the molds without prior drying, and they have a very large dimensional precision that allows them to be mounted on top of each other without joints.
  • the object of the present invention is in particular to provide a simple, satisfactory solution, effective and inexpensive to these problems, in particularly in the case of the manufacture of elements of construction intended to be used for inside a building.
  • the maximum final pressure applied to the mixing in the mold is of the order of 10 MPA.
  • the construction elements thus produced have a compressive strength of at least 15 Mpa and which is typically from 25 to 30 Mpa approximately.
  • this method also consists in use delayed or relatively set plaster slowly, and mix it evenly and progressive to the aforementioned quantity of water.
  • the amount of charge in the the above mixture can vary between 30 and 80% approximately, in weight.
  • the mixture compressed in the mold contains hydrophobic agents such as silicones for example.
  • building elements thus produced are planar elements for walls interiors, for example having dimensions of 25cmx 50cmx 10cm, but we can intended to achieve by carrying out the process according to the invention of building elements all having desired shapes and dimensions.
  • the invention also provides a device for performing this process, including a mold rigid and non-deformable side walls and upper and lower openings closed by trays movable in translation inside the mold, means for compressing the mixture in the mold and release means for the elements of construction, this device being characterized in that that the mold includes internal partitions delimiting molding compartments of said elements and in that the mold release means include support means on the faces elements in the compartments of the mold and mold translation means parallel to said elements.
  • This device makes it possible to mold simultaneously and easily demould a plurality of elements, with one mold.
  • the compression means include means for moving the upper plate and / or the lower tray inside parts of the mold which have no internal partitions.
  • compression means can be independent of the support means used for the mold release, or understand the same means as these support means.
  • the manufacturing device according to the invention is intended in particular to be used with a hydraulic press, comprising at least one cylinder hydraulic and preferably two hydraulic cylinders axially aligned.
  • the press includes an upper hydraulic cylinder 10 and a lower hydraulic actuator 12 with action vertical, which are axially aligned and between which are mounted the mold for manufacturing building elements.
  • This mold 14 is of general shape rectangular and includes walls side 16 which are rigid and undeformable. His upper and lower ends 18, 20 respectively, are open and receive upper 22 and lower 24 closing plates substantially horizontal which are movable in vertical translation inside the mold 14 with a small clearance compared to the side walls of the mold.
  • the internal space of the mold 14 is divided into one plurality of identical compartments 26 by internal partitions 28 which extend vertically between the side walls 16 of the mold and which are fixedly mounted on these walls.
  • Internal partitions 28 have a height less than that of the mold 14 and terminate at a distance from the open ends 18, 20 of the mold, forming stops which limit the races of the plates 22 and 24 inside the mold.
  • the upper plate 22 can be fixed or hung on a plate 30 movable in translation vertical by the upper cylinder 10, and likewise the lower plate 24 is fixed or hung on a plate 32 movable in vertical translation by the lower cylinder 16.
  • the lower part of the mold 14 which extends under the internal partitions 28 can be formed by an independent tubular element 34 of the upper part of the mold or maybe, alternatively in one piece with this part higher.
  • This mixture comprises from 30 to 80% by weight about charge and about 70 to 20% by weight of plaster, the amount of water being slightly a few percent higher, for example, than that which is necessary for a maximum density of the mixture (optimum Proctor).
  • the quantity of water can vary between 1.5 and 1.9 liters approximately in the case of a mixture comprising approximately 6 kilos of sand and 4 kilos of plaster.
  • a small amount can be added to the mixture hydrophobic products, such as silicones by example, in a proportion of about 1 to 5 for thousand of the weight of water used.
  • plaster, sand and water are difficult if not impossible to achieve if we just pour a desired amount of water on a mixture of plaster and sand. Either spray the water on the plaster and sand mixture when this mixture falls into the mold, either spray water on a mixture of plaster and sand in a mixer designed for this purpose, as described for example in WO 00/30819. Otherwise, plaster, sand and water form a compact and sticky block in which the water is poorly distributed and that no one cannot mold properly even when compressing strongly.
  • the volume of water used in the mixture of plaster, filler and water to achieve compactness maximum corresponds to the volume of water necessary for the hydration of the plaster contained in this mixture and its transformation into gypsum.
  • the duration of this compression phase can vary from a few seconds to 15 to 20 seconds about, depending on the characteristics particle size of the materials used.
  • the plates 22 and 24 are in the positions shown in the figure 2 and are substantially in abutment on the partitions internal 28.
  • the elements are then removed from the mold 36 which are formed by the packed and compressed mixture in the compartments 26 of the mold.
  • the means are discarded support 40 and the molded elements 36 are removed from the lower plate 24.
  • the support means 40 are carried by rods vertical 42 connected at their upper ends to support and maneuvering means 44.
  • the means 40, 42, 44 for holding the molded elements in place 36 during their release are independent of the means 10, 22, 30 compression of the mixture in the mold.
  • the rods 42 can be piston rods of hydraulic cylinders and the support means 40 are then movable by these piston rods vertically over a distance corresponding to the end of the compression of the mixture in the mold.
  • the rods 42 must have a height allowing vertical translation of the mold 14 and internal partitions 28 sufficient to demolding of the elements 36.
  • the compressed mixture in the mold contains hydrophobic agents mentioned above, the elements obtained can be used in bathrooms, kitchens, laundries, etc., due to their hydrophobic character. They are also usable outdoors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Toys (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Nonmetallic Welding Materials (AREA)
EP02291216A 2001-05-16 2002-05-16 Verfahren und Vorrichtung zur Herstellung van Bauelementen Expired - Lifetime EP1260334B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0106487 2001-05-16
FR0106487A FR2824772A1 (fr) 2001-05-16 2001-05-16 Procede et dispositif de fabrication d'elements de construction

Publications (2)

Publication Number Publication Date
EP1260334A1 true EP1260334A1 (de) 2002-11-27
EP1260334B1 EP1260334B1 (de) 2008-12-24

Family

ID=8863373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02291216A Expired - Lifetime EP1260334B1 (de) 2001-05-16 2002-05-16 Verfahren und Vorrichtung zur Herstellung van Bauelementen

Country Status (4)

Country Link
EP (1) EP1260334B1 (de)
AT (1) ATE418433T1 (de)
DE (1) DE60230468D1 (de)
FR (1) FR2824772A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100699155B1 (ko) 2005-04-18 2007-03-22 가부시키가이샤 무라타 세이사쿠쇼 세라믹 성형체의 제조방법 및 제조장치
CN109719834A (zh) * 2019-03-15 2019-05-07 洛阳理工学院 一种易脱模的混凝土试块制作装置
CN113043436A (zh) * 2021-03-10 2021-06-29 深圳市东大洋建材有限公司 一种混凝土板制作模具
CN116100611A (zh) * 2021-11-09 2023-05-12 常州富烯科技股份有限公司 实现切割及表面处理的一体化装置
CN116277419A (zh) * 2023-03-29 2023-06-23 西南石油大学 一种微生物矿化胶结生物砖生产装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221599A (en) * 1978-01-31 1980-09-09 Rhone-Poulenc Industries Pressure compacting of settable gypsum/plaster compositions
EP0184551A1 (de) * 1984-11-26 1986-06-11 Jost AG Heimberg Vorrichtung zur Herstellung von Gips-Bauplatten auf trockenem Wege
US5000793A (en) * 1986-11-27 1991-03-19 Brouard Jean Charles Louis Eug Method of manufacturing a building element based on a hydraulic binder, an element thus obtained, and a building method using such elements
US5507996A (en) * 1991-05-15 1996-04-16 Tecfim Method and apparatus for manufacturing building blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
JPH11116314A (ja) * 1997-10-07 1999-04-27 Sekisui Chem Co Ltd 加熱硬化型セメント組成物及びこの組成物を用いた木質セメント板の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221599A (en) * 1978-01-31 1980-09-09 Rhone-Poulenc Industries Pressure compacting of settable gypsum/plaster compositions
EP0184551A1 (de) * 1984-11-26 1986-06-11 Jost AG Heimberg Vorrichtung zur Herstellung von Gips-Bauplatten auf trockenem Wege
US5000793A (en) * 1986-11-27 1991-03-19 Brouard Jean Charles Louis Eug Method of manufacturing a building element based on a hydraulic binder, an element thus obtained, and a building method using such elements
US5507996A (en) * 1991-05-15 1996-04-16 Tecfim Method and apparatus for manufacturing building blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
JPH11116314A (ja) * 1997-10-07 1999-04-27 Sekisui Chem Co Ltd 加熱硬化型セメント組成物及びこの組成物を用いた木質セメント板の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 09 30 July 1999 (1999-07-30) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100699155B1 (ko) 2005-04-18 2007-03-22 가부시키가이샤 무라타 세이사쿠쇼 세라믹 성형체의 제조방법 및 제조장치
CN109719834A (zh) * 2019-03-15 2019-05-07 洛阳理工学院 一种易脱模的混凝土试块制作装置
CN109719834B (zh) * 2019-03-15 2023-09-19 洛阳理工学院 一种易脱模的混凝土试块制作装置
CN113043436A (zh) * 2021-03-10 2021-06-29 深圳市东大洋建材有限公司 一种混凝土板制作模具
CN116100611A (zh) * 2021-11-09 2023-05-12 常州富烯科技股份有限公司 实现切割及表面处理的一体化装置
CN116277419A (zh) * 2023-03-29 2023-06-23 西南石油大学 一种微生物矿化胶结生物砖生产装置

Also Published As

Publication number Publication date
FR2824772A1 (fr) 2002-11-22
ATE418433T1 (de) 2009-01-15
DE60230468D1 (de) 2009-02-05
EP1260334B1 (de) 2008-12-24

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