WO1998013173A1 - Traitement de la pierre pour simuler l'effet du vieillissement - Google Patents

Traitement de la pierre pour simuler l'effet du vieillissement Download PDF

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Publication number
WO1998013173A1
WO1998013173A1 PCT/TR1997/000016 TR9700016W WO9813173A1 WO 1998013173 A1 WO1998013173 A1 WO 1998013173A1 TR 9700016 W TR9700016 W TR 9700016W WO 9813173 A1 WO9813173 A1 WO 9813173A1
Authority
WO
WIPO (PCT)
Prior art keywords
stones
stone
heads
natural
brushes
Prior art date
Application number
PCT/TR1997/000016
Other languages
English (en)
Inventor
Osman Turunc
Original Assignee
Tureks Turunç Madencilik Iç Ve Dis Ticaret A.S.
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 Tureks Turunç Madencilik Iç Ve Dis Ticaret A.S. filed Critical Tureks Turunç Madencilik Iç Ve Dis Ticaret A.S.
Priority to AU46428/97A priority Critical patent/AU4642897A/en
Publication of WO1998013173A1 publication Critical patent/WO1998013173A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/007—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes abrasive treatment to obtain an aged or worn-out appearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/006—Artificial ageing of stones; Providing stones with an antique appearance

Definitions

  • the present invention is related to a method used to give the surfaces of natural stones such as marble, travertine and the like, a weathered and aged appearance.
  • the stones have a surface with soft irregularities an a natural brightness that occur after a long term usage.
  • Another method is providing the stones with an aged appearance by using acid.
  • sulfuric acid is poured on the stones and a rough surface is obtained by the dissolution and enlarging of the natural pores of the stone under the effect of acid.
  • This method is not available for mass production and as the acid used is very dangerous it may lead to damages to the workers during production process and the to the users if the product is not washed thoroughly. Since it is not possible to re-use the used acid for another process, acid consumption is considerably high, and the method is costly.
  • Yet another method which is known as sanding is based on the principle of blowing specific sand particles on the stones by the aid of air.
  • the hard sand particles striking on the stone surface enlarge the natural pores in the structure of the stone and make a rough surface.
  • Main problem seen in this method is sand supply and its residue because sand looses its characteristics after being used once or twice and thus becomes a quite expensive method. Besides the roughness provided by this method is not so significant. Furthermore the brightness resulting from natural usage can never be attained.
  • the object of the present invention is to realize a stone-aging method which results in giving the stone surfaces a natural, aged appearance, wherein an economical and efficient production can be made in comparison with the method used in prior art in conformity with the existing natural stone processing technique without changing the machinery and environment used in thiese techniques.
  • the method applied according to this object of the invention reveals none of the disadvantages seen in the prior methods and the amount of production is at least five times more than the precedent methods. Production is simpler and more fluent.
  • Figure 1- is the general view of the polishing machine
  • Figure 2- is the general view of the head consisting of fringed spiral brushes placed on the flange.
  • the method of the present invention can be realized easily by using the machinery employed by the existing systems treating the natural stones in order to obtain a smooth and bright surface and as it is applied after a certain step of the said process, it would be appropriate to explain the existing natural stone treatment technique.
  • the stones are cut in three different dimensions, namely as plates, tiles and slabs, by the machines known as "este” and mill saw, after being taken out of the quarries as big blocks. After removing the uneven sections at the ends of the stones, in the head- cures, the stones are guided to the polishers.
  • the object of using the polisher is to provide the stones with smooth and as bright as possible surface.
  • the stones are passed on a conveyor belt below the heads with diamond tips, known as calibrators.
  • These heads which calibrate the stone thickness by the help of diamond tips may be two or more in number.
  • the calibrators are stationary elements except that they may be moved upwards and downwards in order to bring the stone thickness to the desired degree. A lot of water is used in this step.
  • the material exiting from the calibrators are left after the coarse residue is taken off. After this process, the stones are brought below the abrasive heads which rotate around their axes and can be moved up and down by hydraulic or pneumatic means.
  • the last series used are named as "extra".
  • the sequential order of these series varies according to the number of the heads in each machine and the type of the stone.
  • Abrasives of the 100 and 200 series perform only wearing-out (grinding) treatment on the stone surface whereas those of the subsequent 300 and 400 series prepare the stone for polishing without grinding it.
  • the "extra” series formed by polishing stones realizes the polishing treatment. Amount of water and the pressure of the heads decrease as the number of the series increase and they arc reduced to minimum for the "extra” series.
  • the material After being processed by these abrasive head series, the material is ready to be used; If desired, it may be placed in the material dimensioning machine to be brought to the desired dimensions and then undergoes the chamfering (beveling) process.
  • This beveling process is generally used for the stones with tile dimensions, and its primary object is to angulated the stones.
  • the stones angulated by the lateral calibrators are then brought below the abrasive heads which are inclined 45 degrees by the conveyor band. These heads, by moving up and down, provide the stones with a 45 degrees and 1 mm wide standard beveling as the result of pneumatic pressure.
  • the sha ⁇ ness on the four top edges of the stone is removed.
  • the abrasive heads are different from the polishing heads; they operate at a 45°angle to the stone surface and contrarily to the polishing heads which can treat the whole surface of the stone, they can effect only one edge of the stone, on an area of maximum 2 to 3 mm. width.
  • water is used as much as possible. After completing these steps, stones having a bright appearance arc dried by hot or cold air fans and packed after being classified.
  • the ageing process within the scope of the method of the present invention is realized after the stones exit from the 100 and 200 series of the abrasive heads, their surface wearing-off processes being completed, at the stage of starting the use of the polisher, of the above esplained stone processing technique. As of this stage, the stone surfaces are given an aged appearance by using cup-shaped brushes with helical and fringed wire bristles.
  • Cup-shaped wire brushes are preferred, as they are available in the market and provide best results. Cup-shaped wire brushes are placed peripherally at equal distances on the lower surface of each flange, arranged in a circular structure. The number of these brushes is generally nine, though it may vary according to the hardness and pore structure of the stone. A single wire brush of a larger diameter may be used instead of a number of brushes on a flange.
  • the cup shaped brushes (F) are stationary, but their flanges are pivotable. For extamely hard stones, the brushes may also be made so as to rotate around their axes. This system which facilitates abrasion is also the operational technique of the abrasive heads used in granite processing method.
  • the number of the heads supporting helical type of brushes arc determined according to the hardness of the stone. For stones of normal hardness, this number is seven or nine
  • the number of abrasive heads may be reduced and that of wire brushes may be increased or vice versa according to structural properties of the stone.
  • a natural brightness as if it results from a long term usage is provided for the stone surfaces by using more flexible and softer cup-shaped wire brushes.
  • the amount of water used may be adjusted according to desired brightness, however water consumption is relatively reduced.
  • the stones gain a naturally aged appearance. If the desired size is that of a plate, the stone is washed and thus the process is completed. If the size of the stones is that of slab, then sizing is made and in case of tile typed stones, after sizing, bevelling is performed.
  • top edges of the angulated stones are bevelled by means of double helical type wire brushes attached on the abrasive bearings of bevelling heads. Bevelling made by these wire brushes result in rounder lines than those made by abrasives.
  • the bevelled edges have a duller appearance than the front face of the stone. After this process the stones are washed and dried to be packed. If the edges are desired to be bright, stones are subjected to sizing process after being cut and only angulated in the bevelling machine without being bevelled. Subsequently the stones aged by the method of the present invention are subjected to washing and drying processes and become ready to be used. By this way, all of the exposed top surface of the stone has a uniformly aged and bright appearance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

Cette invention se rapporte à un procédé servant à conférer aux surfaces de pierres naturelles, telles que le marbre, le travertin, notamment, un aspect vieilli et marqué par les intempéries. On réalise ce procédé en utilisant des brosses à fil métallique à la place des éléments abrasifs du type meule montés sur les têtes abrasives des polisseuses utilisées dans les techniques existantes de traitement des pierres naturelles. Outre le fait qu'il augmente les quantités produites, ce procédé confère aux pierres naturelles une surface ayant de légères irrégularités et un brillant naturel, comme si la pierre avait existé depuis de longues années.
PCT/TR1997/000016 1996-09-27 1997-09-29 Traitement de la pierre pour simuler l'effet du vieillissement WO1998013173A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU46428/97A AU4642897A (en) 1996-09-27 1997-09-29 Treating stones to simulate ageing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR96/00775A TR199600775A2 (tr) 1996-09-27 1996-09-27 Taslara eskitilmis görüntü kazandirilmasi icin bir yöntem.
TR96/775 1996-09-27

Publications (1)

Publication Number Publication Date
WO1998013173A1 true WO1998013173A1 (fr) 1998-04-02

Family

ID=21620934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR1997/000016 WO1998013173A1 (fr) 1996-09-27 1997-09-29 Traitement de la pierre pour simuler l'effet du vieillissement

Country Status (3)

Country Link
AU (1) AU4642897A (fr)
TR (1) TR199600775A2 (fr)
WO (1) WO1998013173A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0868967A2 (fr) * 1997-03-07 1998-10-07 Union Industrial Marmolera, S.L. Procédé pour le traitement de la surface de matériaux pierreux
FR2794397A1 (fr) * 1999-06-02 2000-12-08 Rocamat Pierre Naturelle Banc de faconnage et procede de vieillissement simule d'une dalle de pierre
US7119124B2 (en) 1997-09-18 2006-10-10 Human Rt. Pharmaceutical compositions containing plasma protein
CN108857593A (zh) * 2018-06-27 2018-11-23 安徽金龙浩光电科技有限公司 一种2.75d手机盖板扫光工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289235A (en) * 1965-10-11 1966-12-06 Osborn Mfg Co Rotary brush
US4099328A (en) * 1977-07-20 1978-07-11 Schlemmer John E Machine for removing floor covering
US4319434A (en) * 1980-05-08 1982-03-16 R/B Manufacturing, Inc. Surface processing machine
FR2536387A1 (fr) * 1982-11-18 1984-05-25 Martin Albert Procede de fabrication de pierres reconstituees d'apparence vieux granit et pierres obtenues par le procede

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289235A (en) * 1965-10-11 1966-12-06 Osborn Mfg Co Rotary brush
US4099328A (en) * 1977-07-20 1978-07-11 Schlemmer John E Machine for removing floor covering
US4319434A (en) * 1980-05-08 1982-03-16 R/B Manufacturing, Inc. Surface processing machine
FR2536387A1 (fr) * 1982-11-18 1984-05-25 Martin Albert Procede de fabrication de pierres reconstituees d'apparence vieux granit et pierres obtenues par le procede

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0868967A2 (fr) * 1997-03-07 1998-10-07 Union Industrial Marmolera, S.L. Procédé pour le traitement de la surface de matériaux pierreux
EP0868967A3 (fr) * 1997-03-07 2000-12-20 Union Industrial Marmolera, S.L. Procédé pour le traitement de la surface de matériaux pierreux
US7119124B2 (en) 1997-09-18 2006-10-10 Human Rt. Pharmaceutical compositions containing plasma protein
FR2794397A1 (fr) * 1999-06-02 2000-12-08 Rocamat Pierre Naturelle Banc de faconnage et procede de vieillissement simule d'une dalle de pierre
CN108857593A (zh) * 2018-06-27 2018-11-23 安徽金龙浩光电科技有限公司 一种2.75d手机盖板扫光工艺

Also Published As

Publication number Publication date
AU4642897A (en) 1998-04-17
TR199600775A2 (tr) 1997-09-21

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