EP2060362A2 - Procédé et installation pour le travail d'une dalle de pierre et dalle ainsi obtenue - Google Patents

Procédé et installation pour le travail d'une dalle de pierre et dalle ainsi obtenue Download PDF

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Publication number
EP2060362A2
EP2060362A2 EP08169051A EP08169051A EP2060362A2 EP 2060362 A2 EP2060362 A2 EP 2060362A2 EP 08169051 A EP08169051 A EP 08169051A EP 08169051 A EP08169051 A EP 08169051A EP 2060362 A2 EP2060362 A2 EP 2060362A2
Authority
EP
European Patent Office
Prior art keywords
coating
tile
work
working
plant
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Withdrawn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
EP08169051A
Other languages
German (de)
English (en)
Other versions
EP2060362A3 (fr
Inventor
Stefano Fioratti
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.)
Aros SRL
Original Assignee
Aros SRL
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 Aros SRL filed Critical Aros SRL
Publication of EP2060362A2 publication Critical patent/EP2060362A2/fr
Publication of EP2060362A3 publication Critical patent/EP2060362A3/fr
Withdrawn legal-status Critical Current

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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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/19—Single-purpose machines or devices for grinding plane decorative patterns
    • 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
    • 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
    • B24B29/02—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 designed for particular workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/005—Processes, not specifically provided for elsewhere, for producing decorative surface effects by altering locally the surface material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/222—Removing surface-material, e.g. by engraving, by etching using machine-driven mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0438—Ornamental plaques, e.g. decorative panels, decorative veneers containing stone elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0461—Ornamental plaques, e.g. decorative panels, decorative veneers used as wall coverings

Definitions

  • the present invention relates to a process and a plant for working tiles, and more particularly for working stone, gres, porcelain, terracotta tiles; cement agglomerates; marbles; quarts; silica; glasses; resins; natural or synthetic wood, or the like, e. g. slabs, tiles, blocks, bricks, or the like, and tiles thus worked.
  • tile is meant to indicate a work piece having a substantially flat work face as well as a work piece having an uneven work face, e. g. a face provided with shallow depressions and reliefs suitable for being processed by a brush or block tool, as further explained hereinbelow.
  • the tiles can be further processed or worked on the open or work face, i. e. the face that, once the tile has been laid, is designed to be in view.
  • An open face can also be subjected to further working processes, such as bushhammering, finishing and/or polishing and the like.
  • Such working processes are generally carried out by using suitable tools, e. g. one or more bushhammers, abrasive blocks, abrasive brushes of synthetic material, optionally mounted on a multiple working head.
  • Working processes proposed up to know involve the use of working tools, thereby uniformly processing the entire work or open face of a work piece, such as throughout the whole surface of a tile, slab and the like.
  • the main object of the present invention is to provide a tile working process suitable for selectively working one or more areas on a face of a tile.
  • a specific object of the present invention is to provide a process for working stone tiles, according to which face portion/s of the tile can be differently worked with respect one another, thereby obtaining opacity/brightness contrast between different portions of a tile face.
  • Another object of the present invention is to provide a tile or the like having an open face of new type, i. e. having portions thereof in opacity or brightness contrast with one another.
  • a process according to the present invention comprises a first step of arranging a work piece having a flat work or open face, e. g. a tile, a slab, a brick, and the like, made of stone, such as marble, granite, artificial stone, marble agglomerate; gres, porcelain, terracotta, cement agglomerate, glass, resin, (either natural or synthetic) wood, having a work or open face.
  • a work piece having a flat work or open face e. g. a tile, a slab, a brick, and the like, made of stone, such as marble, granite, artificial stone, marble agglomerate; gres, porcelain, terracotta, cement agglomerate, glass, resin, (either natural or synthetic) wood, having a work or open face.
  • At least one coating or masking material e. g. made of a synthetic material, is applied onto one or more portions of the work face of the tile, thereby obtaining a work face having one or more coated or masked areas and one or more uncoated or unmasked free areas.
  • different kinds of masking material or different number of layers of the same coating material can be used at different masked areas on the work face.
  • masked areas that are covered with a relatively small thickness of coating material, or relatively easily removable coating material are worked or finished to a lesser extent with respect to the free (unmasked) areas.
  • a tile coat or mask according to the present invention can typically comprise a film applied onto the working surface and fixed thereto by means of a suitable adhesive material, or a resin which is hardenable at room temperature or a thermosetting resin.
  • a coating film according to the present invention can typically be made of a component selected from the group comprising polystyrene (PS), polyvinylchloride (PVC), polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PLT) or the like.
  • a tile can also be coated by at least one slurry, e. g. a liquid or semifluid resin.
  • a coating or masking layer is obtained by spreading at least one fluid or pasty compound. Once the fluid or pasty compound, e. g. a thermosetting resin has been applied to the tile, it is heated, and thus caused to set and reticulate at one or more portions of the work surface of the tile.
  • a fluid composition according to the present invention can be selected from the group comprising epoxy, polyurethane, polyurea, epoxypolyurethane, polyamide, polyester resins, UV-hardenable resins, mouldable thermoplastic resins, polymerizable resins, polyols, acrylic resins, and elastomer resins.
  • a tile can be covered by one or more relatively rigid masks, which are suitably shaped so as to cover a respective area and to leave uncovered one or more areas having a desired configuration.
  • Such a mask can be applied onto the work surface of a tile and then kept adhering thereto by means of one or more presser means, or an adhesive material.
  • a tile Before being coated or covered by a mask, a tile can be subjected to one or more finishing operations (such as smoothing, lapping) to obtain a substantially flat and even work surface, i. e. a surface with no surface deficiencies that can be detected at sight.
  • finishing operations such as smoothing, lapping
  • a plant for carrying out a process as specified above which comprises:
  • a plant 1 which comprises a conveyor belt 2 designed to receive a succession of tiles 3 having their work surface SL facing upwards and their laying surface SP facing the conveyor belt.
  • the plant also comprises one or a plurality (two in the drawings) of coating or masking stations 4a, 4b designed to apply onto the work surface SL of each tile 3 a respective coating or masking element 5a, 5b.
  • the tiles coming out from a station 4a, 4b have one or more coated or masked areas 3a and one or more free or uncovered areas 3b.
  • the coated or masked tiles are then sequentially conveyed to a working station 6 where they undergo one or more finishing operations carried out by a working tool or tools, e. g. one or more brushes provided with synthetic material abrasive bristles or composite brush(es) comprising synthetic material abrasive bristles and abrasive sectors or blocks, e. g. a tool as disclosed in the Italian patent application no. VR2007A000132 filed on September 25, 2007 in the name of the applicant of the present invention.
  • a working tool or tools e. g. one or more brushes provided with synthetic material abrasive bristles or composite brush(es) comprising synthetic material abrasive bristles and abrasive sectors or blocks, e. g. a tool as disclosed in the Italian patent application no. VR2007A000132 filed on September 25, 2007 in the name of the applicant of the present invention.
  • the finishing operation is carried out by means of brushes which are mounted on one or more rotating heads of a suitable polishing machine, and can comprise a predetermined number of working steps.
  • the number of working steps depends on the working depth to be obtained, the hardness of the material to be worked, and the characteristic features of the abrasive brushes.
  • three aligned rotating heads are provided, and thus each tile undergoes three finishing steps either with heads provided with brushes that differ from each other or with identical brushes, and thus the tile undergoes three subsequent working steps.
  • the tiles leaving the working station are fed to a stacking station 7.
  • one or more films 5a, 5b are applied to each tile (at stations 4a, 4b) to act as coating or covering layer/s. Once the finishing operation is terminated, such covering layer/s can be removed ( Fig. 4 ) or left on the tile to prevent the tiles from being damaged while being stacked and conveyed elsewhere.
  • Figures 5 and 6 show a plant 10 for carrying out a working process according to the present invention, which is similar to the plant in Fig. 1 and comprises a cover or mask application station including a distributor 11 designed to distribute or spread a pasty compound, e. g. a thermosetting resin, and a heat source, e. g. a bank of infrared or UV heater, located nearby the distributor and designed to heat the thermosetting resin supplied by the distributor 11.
  • a distributor 11 designed to distribute or spread or spread a pasty compound, e. g. a thermosetting resin
  • a heat source e. g. a bank of infrared or UV heater
  • the distributor 11 can be advantageously movable, so as to distribute the resin onto predetermined areas of the working surface of the tile 3, thereby obtaining a desired image or inscription on the tile.
  • the application station 11 and optionally the heating station 12 can be slidingly mounted on a guide or bridge 13 extending above the conveyor belt, thus the distributor 11 can be displaced, in use, immediately above the tile 3 to be masked.
  • the distributor 11 can be controlled by an electronic processing unit 14 in which designs, images and/or mask shapes (e. g. one alphanumeric sign or logo) to be reproduced onto the tile can be stored.
  • designs, images and/or mask shapes e. g. one alphanumeric sign or logo
  • two coating or covering layers of different thickness are applied to the tile, thus obtaining a coated or masked area 3a having portions that differ in thickness one with respect to the other.
  • tiles can be obtained which have areas of different appearance one with respect to the other.
  • the finished areas of the tiles can be worked to such a degree as to obtain a low slippery open face.
  • An advantageous secondary effect of the process according to the present invention is obtained when use is made of a tile coating or mask which adheres to the work surface.
  • the coating or mask is also useful to protect and keep in stacked position a pile of finished tiles.
  • a process or plant according to the present invention makes it possible to apply inscriptions, images or logos to a tile, and thus tiles can be personalized.
  • the finishing operation obtained by using brush/s can be a dry process, or preferably use can be made of a suitable liquid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finishing Walls (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Hydroponics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP08169051A 2007-11-17 2008-11-13 Procédé et installation pour le travail d'une dalle de pierre et dalle ainsi obtenue Withdrawn EP2060362A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVR20070164 ITVR20070164A1 (it) 2007-11-17 2007-11-17 Procedimento ed impianto per la lavorazione di un lastrato lapideo e lastrato cosi' lavorato

Publications (2)

Publication Number Publication Date
EP2060362A2 true EP2060362A2 (fr) 2009-05-20
EP2060362A3 EP2060362A3 (fr) 2010-09-08

Family

ID=40315128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08169051A Withdrawn EP2060362A3 (fr) 2007-11-17 2008-11-13 Procédé et installation pour le travail d'une dalle de pierre et dalle ainsi obtenue

Country Status (5)

Country Link
EP (1) EP2060362A3 (fr)
CN (1) CN101434101A (fr)
BR (1) BRPI0805138A2 (fr)
IT (1) ITVR20070164A1 (fr)
RU (1) RU2008145025A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20155976A1 (it) * 2015-11-27 2017-05-27 Stefano Perna S R L S Mattonella per pavimentazione, impianto e procedimento di realizzazione di detta mattonella
WO2018178949A1 (fr) * 2017-03-31 2018-10-04 Surfaces Technological Abrasives S.P.A. Installation de traitement de surface d'éléments en forme de plaque
IT201800008115A1 (it) * 2018-08-17 2020-02-17 Marmi Fioretta Srl Metodo per il trattamento di lastre di materiale lapideo.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473941A (en) * 1965-09-22 1969-10-21 Armstrong Cork Co Fibrous panel and method of treating a fibrous panel
US5399421A (en) * 1991-11-12 1995-03-21 Gaska Tape, Inc. Vinyl film stencil
AT582U1 (de) * 1995-06-16 1996-01-25 Scheibelhofer Peter Verfahren zur herstellung von dekorierten keramischen platten
IL158016A (en) * 2003-09-18 2005-12-18 Pnina Maron Method for preparing decorative elements

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20155976A1 (it) * 2015-11-27 2017-05-27 Stefano Perna S R L S Mattonella per pavimentazione, impianto e procedimento di realizzazione di detta mattonella
WO2017090013A1 (fr) * 2015-11-27 2017-06-01 Stefano Perna S.R.L.S. Carreau, procédé de production de carreaux et installation de fabrication de carreaux
WO2018178949A1 (fr) * 2017-03-31 2018-10-04 Surfaces Technological Abrasives S.P.A. Installation de traitement de surface d'éléments en forme de plaque
IT201800008115A1 (it) * 2018-08-17 2020-02-17 Marmi Fioretta Srl Metodo per il trattamento di lastre di materiale lapideo.

Also Published As

Publication number Publication date
CN101434101A (zh) 2009-05-20
BRPI0805138A2 (pt) 2009-12-01
RU2008145025A (ru) 2010-05-20
ITVR20070164A1 (it) 2009-05-18
EP2060362A3 (fr) 2010-09-08

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