EP0884152A1 - A slab of stone material with multiple layer paper and phenolic resin-based backing, and method for making slab - Google Patents
A slab of stone material with multiple layer paper and phenolic resin-based backing, and method for making slab Download PDFInfo
- Publication number
- EP0884152A1 EP0884152A1 EP98110541A EP98110541A EP0884152A1 EP 0884152 A1 EP0884152 A1 EP 0884152A1 EP 98110541 A EP98110541 A EP 98110541A EP 98110541 A EP98110541 A EP 98110541A EP 0884152 A1 EP0884152 A1 EP 0884152A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backing
- slab
- marble
- block
- stone material
- 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- Withdrawn
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Classifications
-
- 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
- B28D1/005—Cutting sheet laminae in planes between faces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
Definitions
- the invention relates to the field of marble processing to produce so-called marble-chip floor tiles or marble tiles, or generally slabs of marble, granite or stone, or stone material in general.
- marble-chip floor tiles or marble tiles or generally slabs of marble, granite or stone, or stone material in general.
- stone material in general, including stone, granites, etc. as well as marble.
- slabs or tiles without distinction, it being understood that the invention applies to one and the other without limitations of size.
- fibreglass is sprayed on top of a liquid resin applied to the back of the tile.
- the results obtained are not satisfactory and besides the working environment is made hazardous by the harmful microparticles which are dispersed into the air.
- a further object is to make the tiles stronger over time, that is, to ensure that the tiles do not suffer structural or cosmetic changes once applied either due to the application materials or due to environmental factors.
- a further object is to obtain the preceding objects at a cost compatible with the market.
- the new product comprises a layer of marble coupled, by gluing on the back, to a single layer or a multilayer of kraft paper impregnated with phenolic resin.
- a laminate known as LPR - a registered trademark of LIRI Industriale - or FORMICA - a registered trademark of the FORMICA CORPORATION - without the outer layer of melamine resin can be used as the backing.
- a block of marble is coupled on its two larger surfaces with respective backing sheets as stated above, by means of gluing and then it is divided or separated, that is, cut in half parallel to the larger surfaces, so as to obtain two slabs, which are then cut to the desired shape and size.
- the new tile with a backing according to the invention has numerous advantages.
- the perfect adhesion of the backing to the marble and its characteristic of elasticity mean that, besides stability, flexibility and tensile stress are increased. Consequently there is less waste during processing and a greater yield, and in addition the covering with the tiles lasts longer and is stronger.
- the consistency obtained makes it possible to create tiles with smaller thicknesses than those currently on the market, which allows them to be used for tiling in sectors where greater lightness is particularly necessary (tiling of ships, lifts, skyscrapers, etc.) and with a considerable saving on the raw material used.
- the reduction in specific weight is about 10% or even more. This also results in a reduction in transport costs.
- a further advantage is that the material can be set in place using normal glues, without having to use specific products to make it adhere walls and without the colour of the glue appearing on the visible surface of the tile.
- a further advantage consists in the fact that, once the slab or tile has been set in place, the supporting sheet forms a barrier against damp rising from the wall to the marble, and thus the inherent problems such as stains or cracks are eliminated.
- the new tile 10 comprises a layer of marble 11 and a backing sheet 12 glued to the layer of marble on the back thereof.
- the backing according to the invention comprises a single layer or a multilayer of kraft paper impregnated with phenolic resins.
- a laminated product known as LPR, or FORMICA, preferably deprived of the melamine layer, can be used.
- a block of marble with a thickness more than double the final thickness that is to be obtained for the tiles is first cut; said block is indicated by reference numeral 20.
- two backing sheets 21, 22 in a single layer or a multilayer of craft paper soaked in phenolic resins are applied. These backing sheets are applied by gluing.
- the block is then left to dry.
- the block is then divided or sawn roughly in half, or in any case in an intermediate position with respect to the thickness, along a plane p parallel to the planes of the larger faces, so as to obtain two strips 20a, 20b that each have an exposed marble surface and the backing.
- the two strips are then processed as desired on the surface on view and cut to the desired final shape and size of the tiles.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Finishing Walls (AREA)
Abstract
Description
Claims (6)
- A slab of stone material, such as marble, granite or stone, for coverings comprising a layer of stone material (11) and a backing integral with each other, characterized in that said backing (12) comprises at least a sheet of paper or paper material impregnated with phenolic resins.
- A slab according to claim 1 characterized in that said backing is multilayer kraft paper impregnated with phenolic resins.
- A slab according to claim 1 characterized in that said support (12) is a plastic laminate comprising a base of kraft paper soaked in phenolic resins and layers of melamine resin, at least partially deprived of the melamine resin part.
- A procedure to obtain a slab according to claim 1 characterized in that it comprises the following steps:creating a block of stone material, substantially with flat surfaces with a thickness greater than double the final thickness desired for the tiles;applicating a backing by gluing on the two opposite larger surfaces of the block, said backing comprising a layer of kraft paper impregnated with phenolic resins;dividing the block along a plane (p) parallel to the larger surfaces of the block so as to obtain two slabs each having a marble surface on view and said backing on the back.
- A procedure according to claim 4 comprising the further step of: finishing the slabs thus obtained to obtain tiles.
- A procedure according to claim 5 characterized in that said finishing step comprises cutting to define the single tiles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI971393 | 1997-06-12 | ||
IT97MI001393A IT1292150B1 (en) | 1997-06-12 | 1997-06-12 | SLABS IN STONE MATERIAL WITH MULTILAYER SUPPORT BASED ON PAPER AND PHENOLIC RESINS AND PROCEDURE |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0884152A1 true EP0884152A1 (en) | 1998-12-16 |
Family
ID=11377353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98110541A Withdrawn EP0884152A1 (en) | 1997-06-12 | 1998-06-09 | A slab of stone material with multiple layer paper and phenolic resin-based backing, and method for making slab |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0884152A1 (en) |
IT (1) | IT1292150B1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2172394A1 (en) * | 2000-05-19 | 2002-09-16 | Navarro Vicente Marti | Fabrication of marble building slabs consists of application of polyurethane sheets to a quarried and cut slab, for subdivision into two identical structure slabs |
ES2190332A1 (en) * | 2001-04-04 | 2003-07-16 | Politek Plant S L | Millimetric dissection of e.g. marble consists of unilateral coating with polyurethane prior to cutting parallel with this keying layer |
WO2003064128A1 (en) * | 2002-01-31 | 2003-08-07 | Esteve & Mañez Marmoles, S.A. | Method of obtaining slabs of petrous materials comprising two layers of materials having different aesthetic qualities and the slabs thus obtained |
ES2312283A1 (en) * | 2007-08-06 | 2009-02-16 | Camilo Piedras De Galicia, S.L. | Method for obtaining slabs of natural stone for use in decoration |
EP2184422A2 (en) * | 2008-11-06 | 2010-05-12 | Azteca Sergrup, S.L. | Modular flooring |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063982A (en) * | 1972-09-04 | 1977-12-20 | Bourke Patrick T | Method of making a composite surface elements of stone and lightweight sheet material |
EP0344619A1 (en) * | 1988-06-01 | 1989-12-06 | TECNOMAIERA S.r.l. | A method for the production of reinforced panels from a block of building material, such as stone |
-
1997
- 1997-06-12 IT IT97MI001393A patent/IT1292150B1/en active IP Right Grant
-
1998
- 1998-06-09 EP EP98110541A patent/EP0884152A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063982A (en) * | 1972-09-04 | 1977-12-20 | Bourke Patrick T | Method of making a composite surface elements of stone and lightweight sheet material |
EP0344619A1 (en) * | 1988-06-01 | 1989-12-06 | TECNOMAIERA S.r.l. | A method for the production of reinforced panels from a block of building material, such as stone |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2172394A1 (en) * | 2000-05-19 | 2002-09-16 | Navarro Vicente Marti | Fabrication of marble building slabs consists of application of polyurethane sheets to a quarried and cut slab, for subdivision into two identical structure slabs |
ES2190332A1 (en) * | 2001-04-04 | 2003-07-16 | Politek Plant S L | Millimetric dissection of e.g. marble consists of unilateral coating with polyurethane prior to cutting parallel with this keying layer |
WO2003064128A1 (en) * | 2002-01-31 | 2003-08-07 | Esteve & Mañez Marmoles, S.A. | Method of obtaining slabs of petrous materials comprising two layers of materials having different aesthetic qualities and the slabs thus obtained |
ES2197795A1 (en) * | 2002-01-31 | 2004-01-01 | Esteve & Manez Marmoles S A | Method of obtaining slabs of petrous materials comprising two layers of materials having different aesthetic qualities and the slabs thus obtained |
ES2312283A1 (en) * | 2007-08-06 | 2009-02-16 | Camilo Piedras De Galicia, S.L. | Method for obtaining slabs of natural stone for use in decoration |
WO2009027567A1 (en) * | 2007-08-06 | 2009-03-05 | Camilo Piedras De Galicia, S.L. | Method for obtaining slabs of natural stone for use in decoration |
EP2184422A2 (en) * | 2008-11-06 | 2010-05-12 | Azteca Sergrup, S.L. | Modular flooring |
EP2184422A3 (en) * | 2008-11-06 | 2012-01-11 | Azteca Sergrup, S.L. | Modular flooring |
Also Published As
Publication number | Publication date |
---|---|
ITMI971393A1 (en) | 1998-12-12 |
ITMI971393A0 (en) | 1997-06-12 |
IT1292150B1 (en) | 1999-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FIORI MARIA STELLA Inventor name: APOLLONI ORESTE |
|
17P | Request for examination filed |
Effective date: 19990611 |
|
AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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17Q | First examination report despatched |
Effective date: 20020227 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20020710 |