ES2631188B1 - Procedure for manufacturing alabaster blocks and boards with resins - Google Patents

Abstract

Procedure for manufacturing alabaster blocks and boards with resins suitable for use both outdoors and indoors, which consists of preparing the pieces of natural alabaster stone that form the load, introducing them into a mold where the resin is poured and optionally the dye, until homogenization of the alabaster with the resin, allowing it to dry and harden thus forming a compact block.

Description

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DESCRIPTION

PROCEDURE FOR MANUFACTURE OF ALABASTRO BLOCKS AND BOARDS WITH

RESINS

SECTOR OF THE TECHNIQUE

The present invention relates to a process for manufacturing blocks and boards based on resin-bound alabaster stone, suitable for use both indoors and outdoors.

BACKGROUND OF THE INVENTION

Alabaster in a quality natural stone that is currently used for decoration because of its ornamental values and its ability to be malleable. The PR0005520 patent describes the method of manufacturing alabaster, and patents such as PCT / ES1996 / 000251 describe the process for coating alabaster plates for ornamental purposes.

Due to its traslucided an extended use of! Alabaster is used as lighting devices, as described in patent U200302226 Interior lighting device with alabaster screen.

In architecture it is used as an alabaster plate in the form of blocks or brick that due to its peculiar characteristics of traslucided and natural texture of the stone manage to create cozy and unique spaces. For exterior uses, the alabaster is coated with glass sheet as described in patent P200930589 Procedure for manufacturing a laminated glass and alabaster plate and product obtained.

EXPLANATION OF THE INVENTION

The invention is a process for manufacturing blocks and boards based on alabaster stone suitable for indoor and outdoor use, comprising a preparation phase of the alabaster pieces that form the load, another phase containing the resin and optionally the Colorant; the mixing of said phases until homogenization of the alabaster with the resin;

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finishing with a drying phase, obtaining blocks or boards formed by pieces of alabaster bonded with resin.

The procedure that is being recommended we take advantage of all the alabaster natural stone, which is an important benefit of economic and ecological effect compared to other methods of working this stone, which usually discard material as it is not suitable for the preparation of final pieces formed entirely of alabaster material.

In the process of the invention, greater productivity is obtained compared to other procedures, since it has the possibility of generating large blocks or boards of material, which implies an improvement in work performance and thereby a benefit of economic effect.

BRIEF DESCRIPTION OF THE DRAWINGS

To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a set of drawings is attached as an integral part of said description, where illustrative and non-limiting nature has been represented. next:

Figure 1.- Shows a representation of different blocks and boards of our final product with different proportions and shapes of alabaster pieces.

Type A. Block of the finished product where the load is alabaster pieces in their natural form. Type B. Block of the finished product where the load is alabaster pieces with prismatic shapes.

Type C. Block of the finished product where the load is alabaster pieces with cylindrical shapes.

Type D. Block of the finished product where the load is alabaster pieces forming a block composition.

Type E. Board of the finished product where the load are alabaster pieces with alphanumeric shapes.

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PREFERRED EMBODIMENT OF THE INVENTION

The process of the invention consists in bonding alabaster pieces with resin, to form blocks or boards of a composite material that can be used indoors and outdoors.

For this, the pieces of natural alabaster stone that will form the load are prepared. These pieces can be of any shape and geometry, becoming the most common geometry in the natural state of alabaster in stone, or polygonal geometries of cylindrical type, cube or prisms even of alphanumeric shapes. Through alabaster cutting and abrasion machinery we obtain any desired shape and geometry for our alabaster pieces.

If the desired load of our final piece is the stone itself in its natural state we provide a cleaning process to clean the impurities that may remain around our alabaster bolus.

A container is prepared as a mold to the extent that the final blocks or boards are to be obtained, these molds can be made of alabaster material itself or of different materials suitable for this purpose such as plastics or wood.

The prepared alabaster pieces are thoroughly introduced into the mold, and liquid resin is poured into the container, which by its viscosity and fluidity fills the gaps or cracks between the alabaster and the mold, forming an alabaster composite material with resin getting a perfect adhesion and a compact piece.

Said mixture is allowed to dry at room temperature and after the drying time our block or board can be removed from the mold. From the block or board this material is worked to leave it to the measurements and conditions of the final product, that is, it is calibrated, polished and cut to the particular final requirements of each product.

The different phases are described below:

Charge Phase

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To obtain the boards or blocks object of the invention, natural alabaster stone is used, a mineral substance found in nature, a variety of finely crystallized plaster. Depending on the specific decorative effect requested in the final piece, the alabaster piece will be molded to the required shape. Due to its chemical composition and its ability to be malleable, its work to make the specific shape of alabaster stone is not inconvenient.

The loading phase is between 70% and 95% by weight in the total of the mixture Phase of the resin

The resin is a transparent material, which acts as a union that strongly coalesces loose alabaster pieces, obtaining very compact and resistant blocks or boards.

The resin is present in the object of the invention between 5% and 30% by weight in the total of the mixture. Depending on the use that will be given to our final product, placement in exteriors or interiors, or in decorative and lighting elements, one type or another of resin will be used within these three varieties:

- Epoxy resin

- Polyester resin

- Methacrylate resin.

Claims (3)

ES 2 631 188 A1 1. Process for manufacturing alabaster blocks and boards with resins comprising a stage of preparation of the pieces of alabaster stone material that form the load, another phase containing the resin and optionally the dye, the mixing of said phases until the homogenization of the alabaster pieces with the resin inside a mold, and a hardening and cooling phase characterized by being a compact alabaster and resin block. 10 2. Procedure for manufacturing alabaster blocks and boards with resins according to claim 1, characterized in that the resin we use for joining alabaster pieces can be epoxy resin, polyester resin or methacrylate resin. 3. Procedure for manufacturing alabaster blocks and boards with resins according to claim 1, characterized in that the load of natural alabaster stone is between a 70% and 95% by weight in the total of the mixture and the liquid resin is between 5% and 30% by weight in the total of the mixture. 4. Procedure for manufacturing alabaster blocks and boards with resins according to claim 1, characterized by the great possibilities that we can offer in the forms of the alabaster pieces that make up the load.