• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Process for obtaining a sanitary application for the bath that has a melamine finish, comprising, the realization of a block formed by a mixture of resin (polyester, epoxy or polyurethane) with mineral charges another proportion of resin and a dye, which is impregnated with a glue and a high pressure sheet of phenolic resin and melamine, obtaining a compact block, which will finally be machined to obtain the desired finished product, be it a shower tray or a bathroom countertop. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2608698A1
    申请号:ES201730346
    申请日:2017-03-15
    公开日:2017-04-12
    发明作者:Jaime MOLINA SALAS
    申请人:Forms And Design In Shower Tray Sl；
    IPC主号:
    专利说明:

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    DESCRIPTION
    Procedure for obtaining a sanitary application for the bathroom with melamine finish and product obtained.
    Object of the invention
    The purpose of this report is a procedure for obtaining a sanitary application for the bathroom (shower tray or countertop) that has a melamine finish and the product obtained; and where the product obtained has specific aesthetic characteristics by providing a wide range of designs the forms to be incorporated in the shower tray or countertop, without obviating the mechanical characteristics necessary for its proper functioning.
    Background of the invention
    At present, sanitary facilities are known (shower trays, countertops, etc.) materialized from various resins or polymers, which provide great mechanical resistance during use. An example of this type of dishes is that described in the international application PCT / ES2014 / 070487, which describes a manufacturing process for a light textured shower tray comprising: introducing fiberglass fabrics into a mold of a dish textured shower; laminate fabrics with a resin; place a high density expanded polystyrene plate shaped like a shower plate inside the mold, on top of the laminated fabrics; and apply the fiberglass fabrics and the expanded high density polystyrene plate to the mold to print the texture of said mold on the fabrics and glue said fabrics onto the expanded high density polystyrene plate. The invention also describes a light shower tray manufactured according to the above procedure.
    Similarly, the Spanish patent ES 2 582 681 describes a process for manufacturing shower trays or the like comprising the steps of:
    a) Place a sheet of ceramic material, with the useful surface supported by a mold with the negative shape of the product to be obtained. The mold will preferably be made by crossbars.
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    b) Press the sheet against the mold by applying pressure on the upper face, either on the edges or all over its surface.
    c) Arrange a resistant element, more rigid than the sheet, on the upper side of the sheet, adhered by resin or an adhesive. The resistant element may be embedded in the resin or adhesive.
    Another example of a procedure for obtaining a shower tray is that described in the Spanish patent ES 2 594 505 which describes a procedure for obtaining a shower tray that can be machined and a machinable shower tray obtained, which comprises a mold, apply a release agent; then, apply a layer of polyester gelcoat resin and allow to cure to gel point; preparing a polymerizable polyester composition comprising unsaturated polyester resin, mineral fillers and a catalyst; pouring a portion of said composition into the mold to cover the gelcoat layer; then, arrange on said part of the composition bee panel plates and regulate their depth with respect to the mold with regulating means of buoyancy of the plates; pour the other part of said composition to cover the bee panel plates, and allow to cure until hardening; finally, unmold the shower tray by inverting the mold position.
    This type of dishes have the main limitation of being aesthetically limited to small variations in terms of textures and colors, mainly, or small mechanized that differentiate them from the competition. What hardly causes that environments can be created in the bathroom that aesthetically attract the user / buyer.
    To alleviate this problem, the Spanish patent ES 2 358 497 is known, which describes a procedure for the decoration, reinforcement and protection of a shower tray, characterized by the fact that it comprises the following steps:
    a) Alcohol cleaning of the material of which the dish is composed superficially, to achieve a perfect grip of the following layers to apply.
    b) Application of a first layer as a bridge, and as a vapor barrier, between the material of which the shower tray is composed and the following layers to be applied. Said is a primer compound, consisting of a two-component primer based on fluid epoxy resins.
    c) After a minimum of eight hours for drying the above-mentioned primer layer,
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    the decorative motif is applied on it, using the technique that is appropriate in each case, depending on the motif, aspect or texture that you want to give it. For example, if it is printed in vinyl format, it will be applied by means of a heat air gun on the primer bonding bridge layer.
    d) Next, a two-component and transparent epoxy sealing resin layer is applied, which gives protection to chemical agents, hardness, mechanical strength, flexibility and abrasion resistance.
    e) Finally, two layers of transparent two-component aliphatic polyurethane varnish are applied for protection and non-slip finish.
    The reference patent is designed to apply a decorative element to a shower tray already fully formed, making a paste on its surface, with the consequent alteration of the mechanical characteristics of the shower tray, of vital importance, when we refer to the resistance and weight that a shower tray has to support depending on its location. In addition, due to the alteration in its composition, since the idiosyncrasy of the shower tray itself is corrupted, it could be compromised that the plate that the invention recommends complies with the specific regulations regarding such products, made of vital importance in the commercial field of the manufacture and sale of shower trays or other sanitary elements.
    The proposed invention here, compared to said solution known in the state of the art, has the main difference that the aesthetic part of the shower tray or the countertop is applied during its manufacture, so it is fully integrated into the set , supporting loads, water evacuation, resistance to abrasives (such as those used in cleaning), stability, etc. It has to support a sanitary appliance or application (shower trays or sinks) to have an optimal operation.
    Finally, the applicant is knowledgeable about the use of melamine as a coating in various sectors, such as furniture. The difference for lacking in obviousness is the application of the melamine sheets at the time of the construction of the block that will result in the sanitary application, which causes the aesthetic aspect of the product to be intrinsically related to the mechanical part of it a whole, and not simply being a mere coating glued on a hard or stable surface, as is done in other technical sectors.
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    Description of the invention
    The technical problem that solves the present invention is to achieve a sanitary application for (shower tray or countertop) capable of having a high aesthetic appeal for the user, getting designs and forms of a high visual impact, without losing the characteristics in terms of resistance available to any shower tray or countertop, known. For this, the procedure for obtaining a sanitary application for the bathroom that has a melamine finish, object of the present report is characterized by understanding, the realization of a block formed by a resin mixture (polyester, epoxy or polyurethane) with mineral loads another proportion of resin and a dye, which is impregnated with a glue and a high-pressure sheet of phenolic resin and melamine, obtaining a compact block, which will finally be machined to obtain the desired finished product, either a shower tray or a bathroom countertop.
    Thanks to its design, the product obtained here may be implemented in a wide variety of designs, such as imitating marble, wood, or other elements that, due to their idiosyncrasy, have a high economic value, and which, thanks to their implementation through a sheet of melamine, it can be manufactured with a lower economic cost, which results in an indissoluble way in a final product cheaper than others made in these natural materials, granting a high possibility of insertion and success in the market of sanitary facilities, since visually it will be more attractive to the end user.
    In the same way, the product obtained here will obtain greater performance in terms of shock resistance and weight, this is of vital importance, since one of the great inconveniences suffered by this type of products is the lack of care during transport. that causes unexpected breaks that the manufacturer has to cover, with the economic expense that this implies. The fact of having high performance against impacts, allows the manufacturer to carry out the transport of the products, in a more simple and economical way since accidental breakages are practically non-existent.
    The fact that the product obtained here can incorporate curved shapes (especially in its edges), prevents, on the one hand, the design of the bathroom environment from having to use straight lines like the designs known in the state of the art, or that the manufacturer has to make expensive machining to obtain small curves in his product.
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    This is solved by joining the melamine to the block formed by the resins, being able to achieve the curved areas by pressing instead of machining, which allows a shorter manufacturing time of the product, and in turn, a higher quality in the products, since with the presses it is easier to obtain products with similar tolerances, which, with manual machining, costs more to achieve.
    The product obtained here will withstand bending loads of up to 1.50 ± 0.01 kN for approximately one hour, which will allow it to comply with current regulations for this type of products, and will account for its resistance capacity.
    Similarly, due to the materials that make it up, it will be able to withstand the action of chemical agents, such as acetic acid, sodium hydroxide, ethanol, lejla, methylene blue and / or sodium chloride; all of them used or present in bathrooms in one way or another, which will allow its correct installation and / or resistance against its use.
    Throughout the description and claims the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and characteristics of the invention will be derived partly from the description and partly from the practice of the invention. The following examples and drawings are provided by way of illustration, and are not intended to restrict the present invention. In addition, the present invention covers all possible combinations of particular and preferred embodiments indicated herein.
    Brief description of the figures
    Next, a series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention that is presented as a non-limiting example of this is described very briefly.
    FIG 1. Shows a view of the sequence of the steps that make up the procedure for obtaining a sanitary application for the bathroom that has a melamine finish.
    Preferred Embodiment of the Invention
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    A preferred embodiment of the invention is shown in the attached figures. More specifically, the procedure for obtaining a sanitary application for the bathroom that has a melamine finish is characterized by comprising the following stages:
    a) A first stage (1) of forming a paste based on a mixture of a polyester, polyurethane or epoxy resin, to which a mineral charge based on calcium carbonate and another resin charge of the above are added cited (polyurethane, epoxy or polyester), and finally a dye.
    b) A second stage (2) where the paste obtained in the previous stage is deposited on a mold or table with level, depending on the specific product being made.
    c) A third stage (3) of drying, approximately twenty-four hours, obtaining a solid block.
    d) A fourth stage (4) of obtaining a resin based glue, where the resin used will be polyester, polyurethane or epoxy based.
    e) A fifth stage (5) of realization of a small machining in the block obtained in the third stage (3).
    f) A sixth stage (6) of application of the glue on the machined block in the previous stage (5) and on a high-pressure sheet of phenolic resin and melamine, until both are well impregnated, to later join the sheet from melamine to the machined block.
    g) A seventh stage (7) of introduction into a hot or cold press of the final block (12) for approximately thirty minutes to an hour, obtaining a compact body, where the exposed face shows the decoration of the melamine sheet ( eleven).
    h) An eighth stage (8) of final mechanization of the product of sanitary application, to obtain either a shower tray or a bathroom countertop.
    In a particular embodiment, in the first stage (1) glass fiber microspheres are applied to the mixture to lighten the weight, preferably obtaining a shower tray.
    In a second particular realization, before the eighth stage (8) the block will be introduced in a membrane press, so that it gives the block more rounded shapes and thus obtain the edges of the product obtained.
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    The polyester resins used will have a viscosity of the order of between 400-600 mPas; with a monomer content of between 30-40%; a gel time of between 10-20 minutes; and, an exothermic peak between 150-200 ° C.
    The polyurethane resin will be of the bi-structural type, polyol plus isacionate, high performance and solvent free, where its first component will have a viscosity of between 3000 - 4500 cPs and a density of between 1 - 2 g / cm3; while its second component will have a viscosity between 100 - 300 cPs and a density between 1 - 1.8 g / cm3.
    The epoxy resin used will have a viscosity between 100-225 cPs and a density between 1 - 1.5 g / cm3.
    In a preferred embodiment, the high pressure sheet of phenolic resin and melamine, will have a high resistance to external aggressions, such as, for example, rubbing, bumps or stains, necessary for obtaining the product, be it a shower tray or countertop bathroom, which due to its special characteristics will have to withstand a lot of external aggressions during use.
    In the same way, said high pressure sheet of phenolic resin and melamine incorporates an antibacterial treatment from silver ions, essential for use in said product.
    In a particular embodiment, said sheet will have a volumetric mass of the order of between 1 and 1.50 g / cm3, and a radius of curvature between 5 and 25 centimeters, which will allow to efficiently obtain the curvatures necessary to obtain both the plate Shower as the bathroom countertop.
    权利要求:
    Claims (10)
    [1]
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    1. - Procedure for obtaining a sanitary application for the bathroom that has a melamine finish, which includes:
    a) A first stage (1) of forming a paste based on a mixture of a polyester, polyurethane or epoxy resin, to which a mineral charge based on calcium carbonate, another polyurethane resin charge is added, epoxy or polyester and a dye;
    b) A second stage (2) where the paste obtained in the previous stage is deposited on a mold or table with level, depending on the specific product being made;
    c) A third stage (3) of drying, approximately twenty-four hours, obtaining a solid block;
    d) A fourth stage (4) of obtaining a resin based glue, where the resin used will be polyester, polyurethane or epoxy based;
    e) A fifth stage (5) of realization of a small machining in the block obtained in the third stage (3); and that is characterized because it includes:
    f) A sixth stage (6) of application of the glue on the machined block in the previous stage (5) and on a high-pressure sheet of phenolic resin and melamine, until both are well impregnated, to later join the sheet from melamine to the machined block;
    g) A seventh stage (7) of introduction into a hot or cold press of the final block (12) for approximately thirty minutes to an hour, obtaining a compact body, where the exposed face shows the decoration of the melamine sheet ( eleven);
    h) An eighth stage (8) of final mechanization of the product of sanitary application, to obtain either a shower tray or a bathroom countertop.
    [2]
    2. - Procedure according to revindication 1 where in the first stage (1) a glass fiber micro-sphere is applied to the mixture to lighten the weight, preferably obtaining a shower tray. 3
    [3]
    3. - Method according to any of claims 1 - 2 wherein after the seventh stage (7) and before the eighth stage (8) the block is introduced into a membrane press, giving the block more rounded shapes and thus obtain the edges of the product obtained.
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    [4]
    4. - Method according to claim 1 wherein the polyester resins used have a viscosity of the order of between 400-600 mPas; with a monomer content of between 30-40%; a gel time of between 10-20 minutes; and, an exothermic peak between 150-200 ° C.
    [5]
    5. - Method according to claim 1 wherein the polyurethane resin is of the biastructural type, polyol plus isacionate, high performance and solvent free, where its first component has a viscosity of between 3000 - 4500 cPs and a density of between 1-2 g / cm3; while its second component will have a viscosity between 100 - 300 cPs and a density between 1 - 1.8 g / cm3.
    [6]
    6. - Method according to claim 1 wherein the epoxy resin used has a viscosity between 100-225 cPs and a density between 1 - 1.5 g / cm3.
    [7]
    7. - Method according to claim 1 wherein the high pressure sheet of phenolic resin and melamine incorporates an antibacterial treatment from silver ions.
    [8]
    8. - Method according to any one of claims 1 and 7 wherein the high-pressure melamine resin sheet has a volumetric mass of the order of between 1 and 1.50 g / cm3, and a radius of curvature of between 5 and 25 centimeters, which will allow to obtain effectively the curvatures necessary to obtain both the shower tray and the bathroom countertop.
    [9]
    9. - Product obtained by the method defined in claims 1-8 wherein the product obtained is a shower tray.
    [10]
    10. - Product obtained by the method defined in claims 1-8 wherein the product obtained is a bathroom countertop.
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    同族专利:
    公开号 | 公开日
    ES2608698B1|2018-01-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB2402363A|2003-05-07|2004-12-08|Esl Healthcare Ltd|Moulded shower trays|
    AU2013248209A1|2007-10-03|2013-11-14|Acell Industries Limited|Method of forming composite products by pressure, related products and apparatus|
    GB2469662A|2009-04-23|2010-10-27|Easability Showers Ltd|A shower tray of woven fabric in a resin polymer matrix|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201730346A|ES2608698B1|2017-03-15|2017-03-15|PROCEDURE OF OBTAINING A SANITARY APPLICATION FOR THE BATHROOM WITH FINISH OF MELAMINE AND PRODUCT SO OBTAINED|ES201730346A| ES2608698B1|2017-03-15|2017-03-15|PROCEDURE OF OBTAINING A SANITARY APPLICATION FOR THE BATHROOM WITH FINISH OF MELAMINE AND PRODUCT SO OBTAINED|
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