EP3357710A1 - Verfahren und vorrichtung zur formung von mosaiktafeln mit verbindenden pvc-punkten - Google Patents

Verfahren und vorrichtung zur formung von mosaiktafeln mit verbindenden pvc-punkten Download PDF

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Publication number
EP3357710A1
EP3357710A1 EP18154683.9A EP18154683A EP3357710A1 EP 3357710 A1 EP3357710 A1 EP 3357710A1 EP 18154683 A EP18154683 A EP 18154683A EP 3357710 A1 EP3357710 A1 EP 3357710A1
Authority
EP
European Patent Office
Prior art keywords
tiles
glue
holes
stencil member
points
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
EP18154683.9A
Other languages
English (en)
French (fr)
Other versions
EP3357710B1 (de
Inventor
Lapo BARTOLINI
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.)
Officina Meccanica Bartolini Srl
Original Assignee
Officina Meccanica Bartolini Srl
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Filing date
Publication date
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Publication of EP3357710A1 publication Critical patent/EP3357710A1/de
Application granted granted Critical
Publication of EP3357710B1 publication Critical patent/EP3357710B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/12—Uniting ornamental elements to structures, e.g. mosaic plates
    • B44C3/123—Mosaic constructs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • 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
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/18—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material only one side of the work coming into contact with the liquid or other fluent material
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/02—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means
    • B05C9/022—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means to obtain ornamental coatings
    • B05C9/025—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means to obtain ornamental coatings using silk screens or stencils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/006—Patterns of chemical products used for a specific purpose, e.g. pesticides, perfumes, adhesive patterns; use of microencapsulated material; Printing on smoking articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/12—Uniting ornamental elements to structures, e.g. mosaic plates
    • B44C3/126—Devices for making mosaic constructs automatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/26—Masking elements, i.e. elements defining uncoated areas on an object to be coated for masking cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
    • B05B12/28—Masking elements, i.e. elements defining uncoated areas on an object to be coated for defining uncoated areas that are not enclosed within coated areas or vice versa, e.g. for defining U-shaped border lines
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet

Definitions

  • the present invention relates to the field of mosaic panels for coverings and floors, and more specifically, to that of systems for forming the aforesaid panels. More specifically, the invention relates to a new system for connecting the tiles to one another through PVC points to form the panel that represents an essential semifinished product in the practice of placing mosaics.
  • the aforementioned panels are compositions of tiles (made from glass, marble, ceramic or other materials), joined together in advance in order to facilitate and speed up application, at the same time obtaining a higher quality result, since the tiles are positioned and spaced with the maximum regularity.
  • One of these which is particularly common, provides for the use of a netting in fiberglass that is applied onto the back face of the tiles (i..e. the rough face that remains invisible when the mosaic is set) and glued to it by means of a cold-applied vinyl glued.
  • the backing netting is flexible and offers consequent advantages in terms of the ability to manipulate the panels, also during application, in which the operator applying them can also recover possible small imprecisions in application, correcting the spacing of the tiles, within certain limits, which is not rigidly constrained by the support.
  • the use of the vinyl glue that remains trapped in the masonry is, however, considered to be unsatisfactory for a few reasons, especially in some types and conditions of application and storage since the water-based glue can be subject to deterioration, especially if exposed to humidity or low temperatures.
  • the vinyl glue in order for the vinyl glue to ensure adhesion it needs a backing netting with fine mesh that leaves a small surface exposed on the back faces of the tiles, which is not suitable for ensuring an optimal hold when the panel is applied.
  • An alternative solution which is more specifically relevant to the present invention, and a competitive one with regard to the inert nature of the material and the surface exposed on the back faces, provides the use of points of plasticised PVC applied as a bridge between one tile and the next tile, normally one, two or more points for each facing side between the tiles.
  • the glue points are applied at the base of the tiles lying with the back face on a layer of Teflon®-coated material (to prevent adhesions).
  • the plasticised PVC has a substantially liquid consistency at the application temperature (room temperature) and must be hardened by heating.
  • the machinery required to implement the method at hand according to such system is intrinsically complex given that it involves dispensing a significant number of points - up to more than 1000 for example, in the case of larger panels proposed by the market - with the best dimensional uniformity possible.
  • the cost and overall bulk of the machinery are ultimately increased due to the presence of large curing ovens required to ensure a cooking of at least 15 minutes at about 180°, required to harden the PVC applied previously at points, as described above.
  • the object of the present invention is to provide a system for forming mosaic panels of the type generically ascribable to the one with PVC points, which, contrary to any application methodology actually in use, is at the same time affordable, quick, and nevertheless accurate.
  • a grid 1 preferably made of silicone or in any case elastic, soft material, provided with cells 11 spaced apart, each to house, with the back face facing upwards, a relative tile T of the mosaic panel to be joined, typically with a square profile. Therefore, the cells 11 will be separated by ridges 12, the thickness of which defines the distance (or “joint") between the tiles in the panel formed, and the height of which, that is the development orthogonal to the cell bottom 11 on which the "front face" is supported is, for reasons to be better understood hereafter, comprised between a half and 3/4 of the thickness of the tile, even more preferably about 2/3.
  • a sheet plate 2 is arranged, substantially having shape and sizes according to those of the grid, and therefore of the panel to be formed, having an arrangement of holes 21 each indicatively circular, of width and positioning such as to replicate the ones desired for the glue points with which to join the tiles T below in the finished panel.
  • the plate 2 thus carries out a function of stencil member for the correct deposit of the glue points, the holes 21 being in correspondence of the ridges 12, involving all the couples of adjacent tiles, that is relative reciprocally facing sides, of preference substantially flush with the average point of the side.
  • the width is particularly such as to expose a small part of the back face, something which is indicatively achieved in a typical circumstance with a width equal to about 1/4 of the length of the side of the tile, being it understood that such value may undergo variations according to the specifications of the panel being processed (among which mainly measurement of the tiles and thickness of the joints).
  • the size of the plate 2 in the direction of the thickness also is a parameter that affects the sizes of the glue point, and that therefore may undergo variations and adaptations based on the circumstances.
  • the plate 2 is spaced apart from the grid 1 so as to leave the space for the tiles T, thus ensuring that some clearance remains between the upward face, that as mentioned is the back/rough face, and the plate itself.
  • a clearance is in particular functional for the mutual positioning, being it clearly necessary to first arrange the tiles T on the grid, and then to obtain the superimposing between the plate and the grid-tiles set.
  • This result can be achieved in various equivalent manners, according to what in itself is obvious to the expert, for example with a vertically movable plate support system or also with a fixed plate under which the grid is caused to slide by means of a horizontal conveyor system.
  • a module of apparatus according to the invention is completed by a head 3 for glue distribution (PVC) arranged above the plate 2 and adapted to dispense the glue so as to cause it to drip through the holes 21.
  • the head 3 is movable horizontally above the plate, thus taking on for example, as in the depicted embodiment, the shape of a slider 31 elongated according to a longitudinal axis Y, which extends between the two opposite sides of the plate and moves in reciprocating fashion in a direction X, orthogonal to the axis Y of the slider, to sweep over the whole surface of the plate.
  • the slider has a cup-shaped cross-section (that is, a section carried out over a plane orthogonal to the plate and to the axis Y) defining a collection and distribution channel 32 in which there is fed, through an upper manifold 33, the glue (mass indicated with C in such figure 5 ) intended to fill the holes 21 and to be deposited through them in joining points between the tiles.
  • the distributor channel 32 is between two laminar spatulas 34 that make contact with the plate 2 at the free end edges 34a and thereby are adapted to perform functions of scraping elements, or doctor blades, thus ensuring that the glue is spread and pushed to drip through the holes 22 with the reciprocating movement of the slider in the direction X.
  • the end edges 34a of the spatulas 34 advantageously may have an appropriate shaping, such as the rounded one of the example illustrated.
  • infrared lamps of the type already known for drying the PVC in other contexts
  • the structure of the apparatus is thus simplified and more compact, in addition to having lower energy consumption.
  • Another particularly meaningful advantage is associated with the gluing and the drying with the tiles firmly inserted in the grid. Accordingly, there is the guarantee of a perfect alignment between the tiles and the certainty that they do not move during the whole process, therefore with maximum quality performance. To this end, it is also to be noted how the ridges 12, which on the grid determine the joints between the tiles, act as stop for the pouring of the glue, at proper height determined as seen from an appropriate height of the ridges, thus preventing the PVC from penetrating the whole joint, thus being visible on the front face.
  • the silicone grid or in any case grid of other material with elastic and nonstick properties, allows compensating for any slight differences in calibration between one tile and the next tile, and in any case obtaining the desired closure of the joint.
  • the glue used that is PVC (more exactly, particles of PVC suspended in a plasticizer such as a phthalic resin), corresponds to the known system. Although to date no alternative glues have been identified that can be applied with similar overall effectiveness, the characteristics of the glue do not in themselves represent a limiting characteristic of the invention, and the PVC may be replaced with different glues, so long as equivalent.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Finishing Walls (AREA)
  • Laminated Bodies (AREA)
EP18154683.9A 2017-02-03 2018-02-01 Verfahren und vorrichtung zur formung von mosaiktafeln mit verbindenden pvc-punkten Active EP3357710B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000012037A IT201700012037A1 (it) 2017-02-03 2017-02-03 Procedimento e apparecchiatura per la formazione di pannelli a mosaico con punti di congiunzione in pvc, e pannelli così ottenuti

Publications (2)

Publication Number Publication Date
EP3357710A1 true EP3357710A1 (de) 2018-08-08
EP3357710B1 EP3357710B1 (de) 2021-09-08

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ID=59031306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18154683.9A Active EP3357710B1 (de) 2017-02-03 2018-02-01 Verfahren und vorrichtung zur formung von mosaiktafeln mit verbindenden pvc-punkten

Country Status (3)

Country Link
EP (1) EP3357710B1 (de)
ES (1) ES2893254T3 (de)
IT (1) IT201700012037A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113857000A (zh) * 2021-10-27 2021-12-31 乾大新材料有限公司 一种汽车装饰钢条上胶系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115318543B (zh) * 2022-09-05 2023-03-24 浙江长兴维美丝特衬布有限公司 一种保温型吸湿防潮无纺粘合衬布的生产设备及工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832928A1 (de) * 1978-07-27 1980-02-07 Mathias Mitter Flachdruckschablone mit rakelanordnung
US20050217192A1 (en) * 2004-03-31 2005-10-06 Moshe Boosy High end mosaic tile production
CN103375006A (zh) 2012-04-11 2013-10-30 佛山市三水森诺建材有限公司 马赛克印刷胶粘剂成联工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832928A1 (de) * 1978-07-27 1980-02-07 Mathias Mitter Flachdruckschablone mit rakelanordnung
US20050217192A1 (en) * 2004-03-31 2005-10-06 Moshe Boosy High end mosaic tile production
CN103375006A (zh) 2012-04-11 2013-10-30 佛山市三水森诺建材有限公司 马赛克印刷胶粘剂成联工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113857000A (zh) * 2021-10-27 2021-12-31 乾大新材料有限公司 一种汽车装饰钢条上胶系统

Also Published As

Publication number Publication date
EP3357710B1 (de) 2021-09-08
IT201700012037A1 (it) 2018-08-03
ES2893254T3 (es) 2022-02-08

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