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EP1266731A2 - Méthode pour la fabrication des dalles, des carreaux et des éléments structurals - Google Patents

Méthode pour la fabrication des dalles, des carreaux et des éléments structurals Download PDF

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Publication number
EP1266731A2
EP1266731A2 EP02251216A EP02251216A EP1266731A2 EP 1266731 A2 EP1266731 A2 EP 1266731A2 EP 02251216 A EP02251216 A EP 02251216A EP 02251216 A EP02251216 A EP 02251216A EP 1266731 A2 EP1266731 A2 EP 1266731A2
Authority
EP
European Patent Office
Prior art keywords
mould
mix
piles
coloured
cementitious
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Withdrawn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
EP02251216A
Other languages
German (de)
English (en)
Other versions
EP1266731A3 (fr
Inventor
Kenneth John Davis
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.)
Individual
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 EP1266731A2 publication Critical patent/EP1266731A2/fr
Publication of EP1266731A3 publication Critical patent/EP1266731A3/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Withdrawn legal-status Critical Current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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/008—Producing shaped prefabricated articles from the material made from two or more materials having different characteristics or properties

Definitions

  • This invention relates to a method for the production of slabs, tiles and structural elements.
  • Concrete slabs and tiles are used for many purposes but have a generally uninteresting appearance. Patterns can be produced used slabs of different colours but, in general, the scope for providing aesthetic appeal to, for example, an array of concrete slabs used for laying a patio, is very limited. Structural elements made from concrete are also generally lacking in aesthetic appeal.
  • a method for the production of a concrete slab, tile or structural element which method includes,
  • the term "coloured" mix refers to a mix which is of a colour which contrasts with that of the cementitious mix.
  • the coloured mix may be green, blue or red whereas, if the cementitious mix is black or very dark grey, the coloured mix may be white.
  • the coloured mix may be added in two or more portions of different colours.
  • a green mix may be introduced into the space between two piles of the vibrated cementitious mix, while a blue or red mix is introduced into another space.
  • the cementitious mix may comprise, for example, two parts by volume of stone, two parts by volume of sand or limestone dust and one part by volume of cement, with the addition of the required amount of water depending on the required consistency and/or setting time.
  • An accelerating agent may be included in the mix if accelerated setting of the slab or tile is required.
  • a plasticiser may also be added if required. This reduces the amount of water that is needed and produces a stronger product.
  • the coloured mix may comprise, for example, cement and a liquid cement dye, or it may comprise a mixture of sand and cement or stone and powder to which a colouring agent is added.
  • the amount of coloured mix can be varied as required depending on the visual effect which the manufacturer wishes to produce.
  • a limited amount of a liquid colorant may also be sprinkled randomly over the base of the mould before the cementitious mix is introduced into the mould.
  • the method of production may include, for example, placing a square or rectangular mould on a vibratory table, introducing, for example, three separate piles of the cementitious mix into the mould, two piles being located close to adjacent corners of the mould while the third pile is adjacent the opposite side of the mould, and operating the vibratory table for approximately two seconds to effect agitation of the mix to a limited extent and flattening of the three piles, but not sufficient to cause the three piles to merge with one another.
  • the mould may be lifted from the table, if the table would tend to continue to vibrate, or left on the table if the vibratory drive mechanism is such that vibration of the mould terminates virtually immediately.
  • a coloured mix is then introduced into the spaces between the three piles of cementitious mix and the mould placed back on the table (or the vibratory drive mechanism switched on again) for a maximum of about thirty seconds while further vibration is effected to cause spreading out of the coloured mix in the spaces between the three piles and further spreading of the three piles.
  • the mould is then filled with the cementitious mix to the required level, depending on the required thickness for the finished slab or tile, and vibrating effected again to effect consolidation of the mix within the mould.
  • the mould is then removed from the table and the formed slab or tile is left until dry, for example, overnight (or for less time if an accelerating agent is employed) before the slab or tile is removed from the mould.
  • That side of the slab or tile which was lowermost in the mould will then be found to have a surface appearance which includes rippled or veined colour effects, simulating that of marble, of a colour or colours dependant on the colour(s) used for the coloured mix.
  • a paving slab If a paving slab is being produced, it may have a thickness of 40 to 50 mm. whereas, if a tile is being produced, which will normally have an area substantially less than that of a paving slab, the thickness may be within the range of from 6 to 10 mm.
  • Figure 1 shows the addition of three piles 11, 12 and 13 of a cementitious mix into a mould 10 which is placed on a vibrating table and vibrated for two seconds to reach the condition shown in Figure 2, i.e. the three piles 11, 12 and 13 have been agitated so as to cause them to flatten out and to spread.
  • the mould 10 is removed from the table and a coloured mix 14 is introduced into the mould 10 in the spaces between the three piles 11, 12 and 13.
  • the mould 10 is then placed back on the table and vibrated again for a maximum of thirty seconds to obtain the condition shown in Figure 3, in which the three piles 11, 12 and 13 have spread further and the coloured mix 14 confined to the spaces left between the piles.
  • More than one coloured mix 14 may be used.
  • a green mix may be introduced into the space between two piles of the vibrated cementitious mix, while a blue or red mix is introduced into another space.
  • Figures 4 to 6 show the production of a second slab, which will have a somewhat different visual appearance as compared to the slab produced in accordance with Figures 1 to 3.
  • Seven piles or mounds 21 to 27 of the cementitious mix are placed in the mould 10 which is then vibrated, as described above.
  • Colouring 28 is then placed in the spaces between the flattened piles 21 to 27 and vibration of the mould then effected again.
  • a typical cementitious mix will comprise, for example, four parts by weight of stone, three parts by weight of sand or limestone dust and two parts by weight of cement, with the addition of the required amount of water depending on the required consistency and/or setting time. If the components of the mix are measured by volume, typical amounts by volume are two parts by volume of stone, two parts by volume of sand or limestone dust and one part by volume of cement.
  • An accelerating agent can be included in the mix if accelerated setting of the slab or tile is required.
  • a plasticiser can also be added if required. This reduces the amount of water that is needed and produces a stronger product.
  • the mould is then filled, in each case, to the required level, depending on the final thickness of the slab being produced, and vibrated again to effect consolidation of the mass within the mould, which can thereafter be left to stand overnight before removing the slab from the mould, the slab having a marble-like veined or rippled colour effect on what was its undersurface.
  • small amounts of a colorant material may be sprinkled randomly over the base of the mould before the piles or mounds of the cementitious mix are placed in the base of the mould.
  • the thickness of the mass within the mould will depend on the final purpose of the article which is being produced. Thus a slab will have a greater thickness than a tile.
  • the configuration of the mould will be determined by the configuration of the article which is being produced. If the article is part of a table, for example, a table top or a support for a table top, the mould will be of a complementary configuration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
EP02251216A 2001-02-24 2002-02-22 Méthode pour la fabrication des dalles, des carreaux et des éléments structurals Withdrawn EP1266731A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0104635A GB0104635D0 (en) 2001-02-24 2001-02-24 Method for the production of slabs or tiles
GB0104635 2001-02-24

Publications (2)

Publication Number Publication Date
EP1266731A2 true EP1266731A2 (fr) 2002-12-18
EP1266731A3 EP1266731A3 (fr) 2004-01-02

Family

ID=9909461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02251216A Withdrawn EP1266731A3 (fr) 2001-02-24 2002-02-22 Méthode pour la fabrication des dalles, des carreaux et des éléments structurals

Country Status (2)

Country Link
EP (1) EP1266731A3 (fr)
GB (1) GB0104635D0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099262A3 (fr) * 2005-03-12 2009-04-16 Peter Fine Melange de ciment teint sec
CN102275221A (zh) * 2011-08-20 2011-12-14 周兆弟 混凝土管桩成型模及混凝土管桩成型方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5920580A (en) * 1979-08-14 1980-09-11 Wolftiles Australia Pty. Ltd. Method of making cement tiles
DE3643074A1 (de) * 1986-10-04 1988-04-14 Peter Volk Verfahren zum herstellen von bauelementen sowie danach hergestelltes bauelement
DE19601747A1 (de) * 1996-01-19 1997-07-24 Westerstede Beton & Platten Verfahren zum Herstellen einer als Bodenbedeckung zu verwendenden Betonplatte
FR2773340B1 (fr) * 1998-01-08 2004-09-03 Const Ind Rationnelles Procede de realisation d'elements en beton a effet de surface, materiel pour sa mise en oeuvre et elements ainsi obtenus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099262A3 (fr) * 2005-03-12 2009-04-16 Peter Fine Melange de ciment teint sec
CN102275221A (zh) * 2011-08-20 2011-12-14 周兆弟 混凝土管桩成型模及混凝土管桩成型方法

Also Published As

Publication number Publication date
GB0104635D0 (en) 2001-04-11
EP1266731A3 (fr) 2004-01-02

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