EP1034905A2 - Dispositif pour déposer des couches d'émail et de matériaux similaires sur des objets en céramique - Google Patents

Dispositif pour déposer des couches d'émail et de matériaux similaires sur des objets en céramique Download PDF

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Publication number
EP1034905A2
EP1034905A2 EP99204364A EP99204364A EP1034905A2 EP 1034905 A2 EP1034905 A2 EP 1034905A2 EP 99204364 A EP99204364 A EP 99204364A EP 99204364 A EP99204364 A EP 99204364A EP 1034905 A2 EP1034905 A2 EP 1034905A2
Authority
EP
European Patent Office
Prior art keywords
cells
glaze
matrix
communication channels
cylindrical surface
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
EP99204364A
Other languages
German (de)
English (en)
Other versions
EP1034905A3 (fr
EP1034905B1 (fr
Inventor
Franco Stefani
Mauro Montagnani
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.)
Syfal SRL
Original Assignee
Syfal SRL
Ronflette SA
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 Syfal SRL, Ronflette SA filed Critical Syfal SRL
Publication of EP1034905A2 publication Critical patent/EP1034905A2/fr
Publication of EP1034905A3 publication Critical patent/EP1034905A3/fr
Application granted granted Critical
Publication of EP1034905B1 publication Critical patent/EP1034905B1/fr
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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/046—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers by rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0808—Details thereof, e.g. surface characteristics
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/044—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with glaze or engobe or enamel or varnish

Definitions

  • the invention relates to an apparatus for depositing layers of glaze and the like on ceramic supports.
  • the invention is applicable in the glazing of ceramic tiles, where a layer of glaze is spread on at least a part of the upper surfaces of the single tiles.
  • One of these glazing processes includes spreading a layer of glaze on the tiles using the "bell" system, in which the tiles transiting along a production line at a predetermined speed pass through a double veil of dropping glaze, the double veil forming a kind of overall bell-shape as it drops.
  • This process is much-used and results in a smooth and uniform finished tile surface, at least in the central part of the tile surface. Near the edges, however, the glaze layer is not so uniform. Furthermore, the edges of the tile are fouled by the glaze and as a result are uneven, resulting in the need for a scraping operation, which not only requires the use of special equipment but also wastes glaze, as the scrapings cannot be recycled for use.
  • the "bell" assembly has to be frequently cleaned at regular intervals.
  • the "bell” process has the characteristic of depositing a more-or-less uniform coat of glaze over the whole surface of the tile.
  • the "spray” system has the same characteristics.
  • a further process used uses a rotary machine which comprises a rotary glazing apparatus operating on a mobile rest plane on which the tiles are specially arranged and translated in a predetermined direction.
  • the rotary glazing apparatus comprises, stationed in close succession:
  • the main aim of the present invention is to provide an apparatus which obviates the drawbacks and limitations in the prior art.
  • An advantage of the invention consists in its substantial simplicity.
  • a further advantage of the invention is that the glaze is made to cover the tile surface perfectly, including the edge and the corners of the tile.
  • a still further advantage of the invention is that various coats of glaze can be deposited on a same tile, in a desired geometrical pattern.
  • a still further advantage is the high quality of the glaze coat, certainly superior to the quality obtainable using a normal silicone-rubber-lined silk screening technique.
  • 6 denotes in its entirety a rotary glazing and decorating apparatus 6 working in combination with a mobile rest plane 1 for tiles 2 on which the tiles are translated in a predetermined direction.
  • the apparatus 6 comprises:
  • the matrix cylinder 3 is rotated about its own axis and can be positioned, in relation to the moving plane 1, so that the smooth external cylindrical surface 30 rolls undraggingly and with a predetermined pressure on the surface of a tile 2 transiting on the plane 1.
  • the etched shaping of the matrix is in fact a plurality of cells 31, interconnected by communication channels 5.
  • the channels 5 connect the cells 31 consecutively, one to another in a predetermined direction which is not parallel to the generatrix of the smooth external cylindrical surface 30 of the matrix-bearing cylinder 3.
  • the cells 31 are distributed uniformly over the smooth external cylindrical surface 30 of the matrix-bearing cylinder 3 and are preferably (but not necessarily) identical one to another.
  • the communication channels 5 are also preferably identical, as they exhibit basically the same section.
  • the cells 31 are hexagonal and are arranged in a beehive fashion.
  • the lateral walls of the cells 31 and the lateral walls of the communication channels 5 are the same and sized so that the relationship between the width of the single communication channels 5 and the width of the single cells 31, measured in a perpendicular direction in which the communication channels 5 connect the cells 31 consecutively one to a next, is comprised between four and eight.
  • the communication channels 5 identical one to another, exhibit straight longitudinal axes which are parallel one to another.
  • the motorisation rotating the cylinder 3, not shown in the figures, is connected to the motor advancing the tiles 2 on the rest plane 1, causing the smooth external cylindrical surface 30 to rotate undraggingly and with a predetermined pressure on the upper surface of the tiles 2 transiting on the plane 1.
  • the tiles 2, specifically distanced one from another on the plane 1, transit below the cylinder 3, which cylinder 3 is supplied with glaze from the outlet mouth of the conduit 9.
  • the doctor 4 scrapes the smooth cylindrical surface 30, distributing the glaze internally of the cells 31.
  • the glaze contained in the cells 31 is extracted and deposited on the surface of the tile, reproducing in a flat pattern the plan of the cells 31 (i.e. the matrix) on the external cylindrical surface 30.
  • any irregularities in the tile surface do not obstruct uniform transfer of the glaze, which indeed reaches even the edge zones of the tiles, where the upper surface joins the sides.
  • the spreading of the glaze on the surface of the tile is uniform and complete thanks to the presence of the communication channels 5, the function of which is essentially to allow air to escape both during the cell 31 filling stage and in the cell 31 emptying stage, i.e. when the glaze is deposited on the tile surface.
  • the air in the cells 31 can be expelled through the communication channels 5, leaving room for the glaze.
  • the communication channels 5 inhibit cavitation phenomenons, inevitable when closed cells 31 are being used; thus excellent cell evacuation is guaranteed, leading to optimal tile covering with glaze.
  • the presence of the channels 5 means that the coat of glaze deposited on the tile surface is uniform and (very importantly) of a consistent overall thickness, with no problems involving edge-covering.
  • the predetermined direction in which the communication channels 5 consecutively connect up the cells 31 is restricted by one limitation: it should not be perpendicular to the peripheral motion direction of the cylinder 3.
  • the cells 31 can be distributed uniformly over only a portion of the smooth external cylindrical surface 30 of the matrix-bearing cylinder 3, so that the deposit of the coat of glaze is restricted to a portion of the tile upper surface.
  • More than one area of the smooth external cylindrical surface 30 can afford cells, which cells can be of varying sizes and/or have a different inclination of the communication channels 5 liking the cells 31 consecutively one to a next.
  • the invention offers the advantage of obtaining an excellent overall tile surface covering, including edges and corners.
  • a further advantage of the invention consists in the ability to control with great precision the thickness of the glaze deposited on the tile surface. This thickness can be considerable, and in any case is at least comparable to what can be obtained using traditional glazing techniques.
  • a still further advantage of the invention consists in the fact that, differently to some prior-art apparatus, no cleaning operations are necessary during normal functioning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Glass Compositions (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Formation Of Insulating Films (AREA)
  • Ceramic Capacitors (AREA)
EP99204364A 1999-03-05 1999-12-17 Dispositif pour déposer des couches d'émail et de matériaux similaires sur des objets en céramique Expired - Lifetime EP1034905B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO990036 1999-03-05
IT1999MO000036A IT1310184B1 (it) 1999-03-05 1999-03-05 Apparecchiatura per la deposizione di strati di smalto e simili susupporti ceramici.

Publications (3)

Publication Number Publication Date
EP1034905A2 true EP1034905A2 (fr) 2000-09-13
EP1034905A3 EP1034905A3 (fr) 2001-03-14
EP1034905B1 EP1034905B1 (fr) 2003-10-08

Family

ID=11386880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99204364A Expired - Lifetime EP1034905B1 (fr) 1999-03-05 1999-12-17 Dispositif pour déposer des couches d'émail et de matériaux similaires sur des objets en céramique

Country Status (6)

Country Link
EP (1) EP1034905B1 (fr)
AT (1) ATE251534T1 (fr)
DE (1) DE69911910T2 (fr)
ES (1) ES2205706T3 (fr)
IT (1) IT1310184B1 (fr)
PT (1) PT1034905E (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006070188A1 (fr) 2004-12-29 2006-07-06 Pilkington Group Limited Vitrage
WO2006079502A2 (fr) * 2005-01-25 2006-08-03 Ancora S.P.A. Appareil de traitement de surface de produits manufactures
WO2007099519A2 (fr) * 2006-03-03 2007-09-07 Andrea Capucci Dispositif d'application d'un matériau nanostructuré sur des objets, en particulier des carreaux, du verre et similaire
WO2017129677A1 (fr) * 2016-01-26 2017-08-03 Sandon Global Engraving Technology Limited Articles de support de liquide pour transférer et appliquer des liquides
WO2020048801A1 (fr) * 2018-09-03 2020-03-12 Airbus Operations Gmbh Dispositif pour transfert de laque
EP3733300A1 (fr) * 2019-04-11 2020-11-04 Airbus Operations GmbH Dispositif pour transfert de laque
US11241708B2 (en) 2019-04-12 2022-02-08 Airbus Operations Gmbh Device for lacquer transfer
US11267014B2 (en) 2019-03-29 2022-03-08 Airbus Operations Gmbh Device for lacquer transfer
US11331688B2 (en) 2019-03-29 2022-05-17 Airbus Operations Gmbh Device for lacquer transfer
US11369987B2 (en) 2019-03-29 2022-06-28 Airbus Operations Gmbh Device and system
US11504739B2 (en) 2019-03-29 2022-11-22 Airbus Operations Gmbh Device for lacquer transfer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2749696B2 (es) * 2018-09-21 2020-09-29 Personas Y Tecnologia S L Cilindro para aplicar engobe en piezas ceramicas
CN112123530A (zh) * 2020-09-27 2020-12-25 张家贵 一种陶器生产用自动刻花施釉装置
US20220219195A1 (en) * 2021-01-12 2022-07-14 Airbus Operations Gmbh Device for lacquer transfer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301583A (en) * 1979-02-15 1981-11-24 Consolidated Engravers Corporation Fluid metering roller
DE4137337A1 (de) * 1991-11-13 1993-05-19 Sengewald Karl H Gmbh Hochdruckverfahren und auftragsvorrichtung zu seiner durchfuehrung
IT1268920B1 (it) * 1994-03-29 1997-03-13 Syfal Srl Macchina rotativa per la decorazione-smaltatura in particolare dipiastrelle ceramiche.
IT1287465B1 (it) * 1996-07-29 1998-08-06 Syfal Srl Macchina rotativa per la smaltatura, in particolare di piastrelle ceramiche

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006070188A1 (fr) 2004-12-29 2006-07-06 Pilkington Group Limited Vitrage
WO2006079502A2 (fr) * 2005-01-25 2006-08-03 Ancora S.P.A. Appareil de traitement de surface de produits manufactures
WO2006079502A3 (fr) * 2005-01-25 2006-12-21 Ancora Spa Appareil de traitement de surface de produits manufactures
WO2007099519A2 (fr) * 2006-03-03 2007-09-07 Andrea Capucci Dispositif d'application d'un matériau nanostructuré sur des objets, en particulier des carreaux, du verre et similaire
WO2007099519A3 (fr) * 2006-03-03 2007-12-06 Andrea Capucci Dispositif d'application d'un matériau nanostructuré sur des objets, en particulier des carreaux, du verre et similaire
WO2017129677A1 (fr) * 2016-01-26 2017-08-03 Sandon Global Engraving Technology Limited Articles de support de liquide pour transférer et appliquer des liquides
CN108698397A (zh) * 2016-01-26 2018-10-23 桑登全球雕刻技术有限公司 用于转移和施加液体的液体承载制品
US10994565B2 (en) 2016-01-26 2021-05-04 Sandon Global Engraving Technology Limited Liquid-bearing articles for transferring and applying liquids
WO2020048801A1 (fr) * 2018-09-03 2020-03-12 Airbus Operations Gmbh Dispositif pour transfert de laque
US11691171B2 (en) 2018-09-03 2023-07-04 Airbus Operations Gmbh System and device for a lacquer transfer
US20210268535A1 (en) * 2018-09-03 2021-09-02 Airbus Operations Gmbh Device for a lacquer transfer
US11267014B2 (en) 2019-03-29 2022-03-08 Airbus Operations Gmbh Device for lacquer transfer
US11331688B2 (en) 2019-03-29 2022-05-17 Airbus Operations Gmbh Device for lacquer transfer
US11369987B2 (en) 2019-03-29 2022-06-28 Airbus Operations Gmbh Device and system
US11504739B2 (en) 2019-03-29 2022-11-22 Airbus Operations Gmbh Device for lacquer transfer
US11413650B2 (en) 2019-04-11 2022-08-16 Airbus Operations Gmbh Lacquer transfer device
EP3733300A1 (fr) * 2019-04-11 2020-11-04 Airbus Operations GmbH Dispositif pour transfert de laque
US11241708B2 (en) 2019-04-12 2022-02-08 Airbus Operations Gmbh Device for lacquer transfer

Also Published As

Publication number Publication date
EP1034905A3 (fr) 2001-03-14
ES2205706T3 (es) 2004-05-01
ATE251534T1 (de) 2003-10-15
PT1034905E (pt) 2004-01-30
EP1034905B1 (fr) 2003-10-08
IT1310184B1 (it) 2002-02-11
DE69911910D1 (de) 2003-11-13
DE69911910T2 (de) 2004-07-29
ITMO990036A1 (it) 2000-09-05
ITMO990036A0 (it) 1999-03-05

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