EP0958905A1 - Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material - Google Patents

Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material Download PDF

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Publication number
EP0958905A1
EP0958905A1 EP98109001A EP98109001A EP0958905A1 EP 0958905 A1 EP0958905 A1 EP 0958905A1 EP 98109001 A EP98109001 A EP 98109001A EP 98109001 A EP98109001 A EP 98109001A EP 0958905 A1 EP0958905 A1 EP 0958905A1
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EP
European Patent Office
Prior art keywords
sheeting
mould
cast
plastic
previous
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Withdrawn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
EP98109001A
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English (en)
French (fr)
Inventor
Edwin Tobias Bucher
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.)
Hamilton Alexander
Original Assignee
Hamilton Alexander
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 Hamilton Alexander filed Critical Hamilton Alexander
Priority to EP98109001A priority Critical patent/EP0958905A1/de
Publication of EP0958905A1 publication Critical patent/EP0958905A1/de
Withdrawn legal-status Critical Current

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    • 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
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • B28B7/0067—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces with polished or glossy moulding surfaces
    • 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
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • B28B7/364—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article of plastic material or rubber

Definitions

  • the present invention concerns a method of improving the appearance of the surface of any cementitious structure or object, and in particular it relates to a method for obtaining a reflective surface similar to that of polished stone, marble or glazed ceramic using a cementitious material.
  • moulds of plywood coated with synthetic resin (or with Formica) or moulds of metal are used, in particular for casting prefabricated elements, leaving the cast to cure for a suitable time.
  • synthetic resin or with Formica
  • Formica Formica covering in his moulds to cast concrete with a bright and translucent quality.
  • the mould of a shiny appearance will impart these shiny properties to the poured concrete.
  • the current moulds are too expensive to be left in contact with the concrete for the curing time necessary to achieve a shiny effect.
  • the material is cast into contact with a sheeting made of a plastic or plastic-like material; after casting, the cast is left to cure with the sheeting attached thereon, whereby the cementitious material becomes shiny in contact with the sheeting during the curing time. The sheeting is finally removed.
  • the object is left with an extremely smooth and shiny surface. Since the cost of the plastic is low, it can be left to cure on the cast for the required time.
  • a detachable covering (or sealed) polyethylene sheeting unit of the same size as the inside of the mould can be used. The elements can be left in a stacking area with the plastic sheeting still attached to the cement surface for the full curing time, while the mould can be reused.
  • Plastics to be used are in particular polyethylene, polycarbonate and PVC.
  • the standard time at an average temperature of 20° C is approx. 7/8 days to impart a shiny surface.
  • the required curing time decreases with higher temperatures or faster curing cementitious materials.
  • the following example relates to the manufacturing of marble-like tiles and large flat slabs such as cladding or facing for buildings.
  • cement mixers containing variously coloured concrete mixes.
  • the concrete mixes flow down, past flow regulators 5 into a general mixing container 6, where the coloured concrete mixes are only partly mixed, before being released through a delivery nozzle 7 onto a band-like polyethylene sheeting 8, which is unrolled from a coil 10 onto a conveyor belt 11 moving below nozzle 7.
  • Sheeting 8 can be optionally pre-moulded in order to provide it with trays 9 having the shape of the tiles to be manufactured.
  • a layer of coloured mixture 12 is poured on sheeting 8, as shown in figure 2, and then moved along belt 11, where an optional reinforcement steel framework 13 is sunk into it, the mixture being still wet.
  • Framework 13 is provided with upwardly extending attachment rings 14 for the final mounting of the tiles.
  • a strengthening backside layer 15 of standard grey concrete is then poured from a nozzle 16 onto coloured layer 12, leaving rings 14 uncovered.
  • layer 12 can be very thin, relatively expensive coloured concrete being used minimally, while inexpensive, standard concrete is used for the backside of the tiles, where it remains invisible.
  • Sheeting 8 is then fed from belt 11 to a flat and level board 16, where it is cut by a matrix 17, which gives the tile the required outline. If the plastic of sheeting 8 hasn't been pre-moulded matrix 17 cuts both layers 12 and 15 and sheeting 8 (as in figure 4). If it has been pre-moulded then only sheeting 8 is cut at this stage, as pre-moulded trays 9 have acted as containers for the concrete poured thereinto.
  • the tile is then moved on its board and placed in a drying rack 18 where it is left to set, as shown in figure 5.
  • the cut object must be placed on a perfectly flat surface, the concrete being still wet.
  • the tile can be stacked vertically, as in figure 6, with plastic sheeting 8 still attached to the surface for the full curing time needed.
  • a polyethylene liner or bag of a slightly smaller shape can be placed inside the steel mould prior to the concrete pouring.
  • a steel mould 19 of double curvature is formed by curved plates 22 respectively connected at their edges by clamps 23.
  • a flexible plastic sleeve 20 is inserted within mould 19, sleeve 20 being slightly smaller than the inside of the mould.
  • the rims of sleeve 20 have the same length of the respective chords subtended by arc-shaped edges of plates 22. In this way sleeve 20 has no complicated double curvature and when concrete is poured in, as in figure 9 from a delivery nozzle 24, it can stretch, perfectly taking the shape of mould 19.
  • Sleeve 20 has strips 21 extending along its lateral corner seams, which, when sleeve 20 is placed inside mould 19, are clamped in between steel plates 22, by way of clamps 23. After the object has set mould 19 may be removed leaving it protected in the plastic sleeve 20 for its complete curing time. Conventional reinforcement can be applied prior to casting.
  • the shiny surfaced objects obtained with the method according to the present invention are an attractive and cost effective improvement to ordinary cast concrete.
  • the above method will produce outstanding artificial marbles, granites, polished stones and glazed ceramics, and a large range of new decorative effects when white or grey cement is combined with suitable colours and relevant casting and mixing techniques.
EP98109001A 1998-05-18 1998-05-18 Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material Withdrawn EP0958905A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98109001A EP0958905A1 (de) 1998-05-18 1998-05-18 Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98109001A EP0958905A1 (de) 1998-05-18 1998-05-18 Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material

Publications (1)

Publication Number Publication Date
EP0958905A1 true EP0958905A1 (de) 1999-11-24

Family

ID=8231953

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109001A Withdrawn EP0958905A1 (de) 1998-05-18 1998-05-18 Verfahren zum Herstellen von Gegenständen mit glänzenden Oberflächen aus zementhaltigem Material

Country Status (1)

Country Link
EP (1) EP0958905A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321257A2 (de) * 2001-12-20 2003-06-25 Johannes Peine Verfahren und Vorrichtung zur Herstellung eines Bauelements
WO2006048350A2 (en) * 2004-09-20 2006-05-11 Luca Toncelli Method for manufacturing articles in the form of thin slabs of composite stone and resultant articles
EP1685932B1 (de) * 2005-01-28 2010-05-05 Fermacell GmbH Verfahren und Vorrichtung zur Herstellung einer Leichtbauplatte, sowie Leichtbauplatte
US20130216761A1 (en) * 2010-07-14 2013-08-22 Sadler Ip Pty Ltd Packaging cementitious products
EP2593280A4 (de) * 2009-07-14 2015-05-06 Abbey And Pride Ip Pty Ltd Verpackung von zementösen produkten
EP2747995A4 (de) * 2011-07-27 2016-03-16 Abbey And Pride Ip Pty Ltd Schichtprodukt und seine herstellung durch anbringen einer schicht auf einer halbgehärteten basisschicht

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR579365A (fr) * 1923-06-16 1924-10-15 Procédé d'obtention de surfaces polies de ciment
US2321638A (en) * 1940-08-23 1943-06-15 Francis A Williams Coated mold and method of molding concrete
FR1553609A (de) * 1967-02-21 1969-01-10
US3995086A (en) * 1975-06-27 1976-11-30 Mark Plunguian Shaped articles of hydraulic cement compositions and method of making same
FR2359691A1 (fr) * 1976-07-28 1978-02-24 Feldmuehle Anlagen Prod Procede de fabrication de pieces finies en beton et moule pour la mise en oeuvre de ce procede
US4088808A (en) * 1976-01-16 1978-05-09 Cornwell Charles E Shaped articles of hydraulic cement compositions with a glossy reflective surface and reinforced with fiber glass
DD136828A1 (de) * 1978-05-16 1979-08-01 Paul F J Kohnert Verfahren zur herstellung von kuenstlichem marmor
US4702877A (en) * 1985-12-31 1987-10-27 Davis Jr Lindsey B Method for molding concrete blocks or bricks
CH665244A5 (en) * 1985-04-17 1988-04-29 Bsa Ingenieurs Conseils Oblong constructional component prodn. method - pours or injects material inside sheet inserted in mould which is remove for use leaving smooth non-porous surface
JPS63306003A (ja) * 1987-06-08 1988-12-14 Asahi Chem Ind Co Ltd コンクリ−トの表面処理法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR579365A (fr) * 1923-06-16 1924-10-15 Procédé d'obtention de surfaces polies de ciment
US2321638A (en) * 1940-08-23 1943-06-15 Francis A Williams Coated mold and method of molding concrete
FR1553609A (de) * 1967-02-21 1969-01-10
US3995086A (en) * 1975-06-27 1976-11-30 Mark Plunguian Shaped articles of hydraulic cement compositions and method of making same
US4088808A (en) * 1976-01-16 1978-05-09 Cornwell Charles E Shaped articles of hydraulic cement compositions with a glossy reflective surface and reinforced with fiber glass
FR2359691A1 (fr) * 1976-07-28 1978-02-24 Feldmuehle Anlagen Prod Procede de fabrication de pieces finies en beton et moule pour la mise en oeuvre de ce procede
DD136828A1 (de) * 1978-05-16 1979-08-01 Paul F J Kohnert Verfahren zur herstellung von kuenstlichem marmor
CH665244A5 (en) * 1985-04-17 1988-04-29 Bsa Ingenieurs Conseils Oblong constructional component prodn. method - pours or injects material inside sheet inserted in mould which is remove for use leaving smooth non-porous surface
US4702877A (en) * 1985-12-31 1987-10-27 Davis Jr Lindsey B Method for molding concrete blocks or bricks
JPS63306003A (ja) * 1987-06-08 1988-12-14 Asahi Chem Ind Co Ltd コンクリ−トの表面処理法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 140 (M - 810) 6 April 1989 (1989-04-06) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321257A2 (de) * 2001-12-20 2003-06-25 Johannes Peine Verfahren und Vorrichtung zur Herstellung eines Bauelements
EP1321257A3 (de) * 2001-12-20 2005-02-23 Johannes Peine Verfahren und Vorrichtung zur Herstellung eines Bauelements
WO2006048350A2 (en) * 2004-09-20 2006-05-11 Luca Toncelli Method for manufacturing articles in the form of thin slabs of composite stone and resultant articles
WO2006048350A3 (en) * 2004-09-20 2006-08-03 Luca Toncelli Method for manufacturing articles in the form of thin slabs of composite stone and resultant articles
ES2312285A1 (es) * 2004-09-20 2009-02-16 Luca Toncelli Procedimiento para fabricar articulos en forma de losas delgadas de piedra compuesta y articulos resultantes.
US8007697B2 (en) 2004-09-20 2011-08-30 Luca Toncelli Method for manufacturing articles in the form of thin slabs of composite stone and resultant articles
EP1685932B1 (de) * 2005-01-28 2010-05-05 Fermacell GmbH Verfahren und Vorrichtung zur Herstellung einer Leichtbauplatte, sowie Leichtbauplatte
EP2593280A4 (de) * 2009-07-14 2015-05-06 Abbey And Pride Ip Pty Ltd Verpackung von zementösen produkten
US20130216761A1 (en) * 2010-07-14 2013-08-22 Sadler Ip Pty Ltd Packaging cementitious products
EP2747995A4 (de) * 2011-07-27 2016-03-16 Abbey And Pride Ip Pty Ltd Schichtprodukt und seine herstellung durch anbringen einer schicht auf einer halbgehärteten basisschicht

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