SYNTHETIC TEAK FOR NAVAL USE

Description

“ HUMAN THETIC TEAXIN ” DESCRIPTION SE TT TECHNICAL The present invention relates to a material synthetic especially to a synthetic teak. The present invention +find an application preferred , although nonexclusive , in the naval environment , for use in naval coatings. At such an application you 10 will be referred to in the following as an example. STATE OF THE HEAD In various sectors, especially in the shipping sector, is known to use teak wood for its sturdiness and the aesthetic features. 15 T u tt avia , never before , to the rising light attention to environmental issues, costs high prices of natural teak and its maintenance rather challenging, there is an ever-increasing need to replace traditional natural teak with alternatives of type 20 synthetic. The production of so-called teak is therefore well known. “synthetic” as a sustainable alternative to the natural one. As mentioned, both natural and synthetic teak They are versatile materials for a variety of uses such as, for example, in the sector of furnishings, architecture naval, of the flooring, of the decorations and of the interior and exterior accessories. Precisely for this reason, several different tools have been developed synthetic materials designed to imitate the appearance and feel feel of natural teak and to have performance comparable, if not better, than the latter. One of the most significant critical points of these synthetic teaks is due to the fact that the latter derive from complexes production processes where it is necessary to obtain mixtures with precise dosages, processing in a controlled environment, therefore very expensive, without however obtaining a material truly lifelike to natural teak. There is therefore a need to supply synthetic teak 15 which have a simplified and economical manufacturing, producing findings that are as similar as possible to natural teak. The purpose of this invention is meet the above needs in an optimized way and economic. 20 SUMMARY OF THE INVENTION The above mentioned purpose is achieved by a teak assembly synthetic, a cc production schedule and methods production as claimed in the attached claims forming an integral part of this description. BRIEF DESCRIPTION OF THE SIGNS For a better understanding of this invention A preferred form of is described below. implementation, by way of example, non-mitative and with 5 reference to the attached drawings in which: and Figure 1 is a schematic representation of the synthetic teak assembly according to the invention; and Figure 2 is a schematic representation of the synthetic teak production machinery according to 10 1' invention, with parts removed for clarity; and and Figure 3 is a diagram listing the steps of a method of production of synthetic teak according to the invention. DESCRIPTION OF THE INVENTION In figure 1, a set is indicated as a whole with 1 15 of synthetic teak according to the invention. The synthetic teak assembly 1 essentially comprises a base 2 and an outer layer 3. In particular, base 2 is configured to be fixed to a portion to be coated and comprises a material 20 heterogeneous configured to chemically bind to the layer external 3 when the latter is cast on the base 2 in the production phase. In particular, but not limited to, the portion covering can be a portion of a nautical vehicle, for example for example a finish or flooring of the same. As shown in Figure 1 , lab 2 defines surface 2' configured to be coated by the layer external 3. Specifically, base 2 comprises a chosen material traalmenounotra : vetr oresin ( VTR ), O cume , M edium D ensity F ibreboard ( MDF ) adaltadensity , P olivinylchloride ( PVC ) in slabs, Polyethylene terephthalate (PET) with density over i 1 5 0 kg / mqg . Beneficially, 1the outer layer 3 includes a heterogeneous material defined by the mixture of elements chemicals, especially polyol and isocyanate. Specifically, the outer layer includes a resin polyurethane, in detail obtained from the above-mentioned mixture 15 of polyol and isocyanate. In particular, this polyurethane resin undergoes a transition from a physical state to a previous physical condition liquid to a second solid physical condition. In detail, this change in physical state of the resin 20 polyurethane from the first liquid physical condition to second solid physical condition occurs through a chemical synthesis reaction. In further detail, this chemical reaction which promotes the transition from one physical state to another of the resin polyurethane, occurs by imposing predetermined values ​​of temperature, pressure and humidity and without any expansion volumetric. Advantageously, such polyurethane resin, in its first liquid physical condition, it is placed vertically on surface 2' of base 2. In detail, the polyurethane resin is placed directly on the surface 27 without any pre- chemical processing as the selected materials are 10 configured to chemically bond naturally with such polyurethane resin. In this way, the whole becomes a single piece, made of multilayer composite material, without the need for gluing between the two parties. 15 Preferably, such polyurethane resin, in the following second solid condition, has a thickness between 1'1 and 1 1 5 mm, indi tta gliotra 3 e 1 0 mm. Even more preferably, such polyurethane resin, has a density greater than one, specifically about 1.1. 20 In figure 2 it is 1illustrated schematically with 4 the synthetic teak production machinery according to 1st invention. In particular, the teak production machine 4 synthetic comprises a mixing module M configured to produce the aforementioned polyurethane resin. Advantageously, the teak production machinery synthetic 4 also comprises a mold 6 configured for accommodate the base 2 so that the aforementioned surface 2' is placed vertically on the opposite side of a wall of bottom 6' of the mold. This 6" & bottom wall, in use, can be attached sprinkled with release material, such as for example mixtures silicones, for example dissolved in ethyl acetate. In detail, this mold 6 is fluidically connected to the M mixing module for receiving the resin in the casting polyurethane on surface 2' of base 2. In the form of realization described, such fluid connection between mixing module M and mold 15 6 is represented by a duct 7. In further detail, this mold 6 is isolated from the external environment, for example through a camera 8 defining a space 9. This space 9 is maintained in a controlled atmosphere 20 in temperature and humidity. Advantageously, such space 9 keeps controlled in temperature and humidity the polyurethane resin during its casting and cooling phases, to facilitate 1"adhesion to surface 2' of base 2. Preferably, such space 9 is kept together temperature between +15°C and +40°C, indi cated between +20°C and +30°C. Even more preferably, such space 9 is kept at a relative humidity of 4 0 %, inde t garlic 3 5 %. If there is no illustration, the production machine 4 may include means of conditioning to maintain the temperature and humidity conditions described above and not further discussed for brevity. 10 I1 Operation of the embodiment of the synthetic teak assembly 1 and the machinery of production 4 according to the invention described above is the next . In the production mode of the teak assembly 15 synthetic 1, the mixing module M is controlled for mix the polyol and the isocyanate at predetermined values temperature, pressure and humidity. In particular, after mixing, the resin polyurethane is cast on surface 2' of base 2. 20 Space 9 being kept in a controlled atmosphere, the polyurethane resin assumes the second physical condition solid through cooling process. In particular, this cooling is of a natural type, that is, it occurs without forced removal of heat. In most cases of all the garlic, take about 8 hours. In detail, before placing the base in the mold 6, the bottom wall 6' of the mold 6 is provided with material release agent to facilitate detachment 5 of the assembly 1 gwhen solidified. In view of the above, the present invention is also relating to a method of producing a teak assembly 1 synthetic via a production machine 4 as above described. 10 This production method includes the steps of: ei) produce a heterogeneous material through mixing ; and ii) casting such mixture of heterogeneous material on the baseinonemold ; 15 and iii) detach the assembly from the mould, when the heterogeneous material is solidified; and iv) perform a surface finish. In particular, the mixing production phase involves mixing polyol and isocyanate to produce a 20 polyurethane resin. Advantageously, before step ii) the method can include a step o) of supplying a release product on mold 6 to facilitate the separation of the teak assembly synthetic as in step iii). Even more beneficially, step 1iv) includes a series of molding machining and / or surface finishing. You detail, such processing is performed by means of material abrasive , abrasive paper together with synthetic teak the aesthetic appearance, shapes and desired surface features. From the foregoing, the advantages of a a ss iemediteaxynthetic , a highly produced cc a method of manufacture according to the 1'invention. Thanks to the synthetic teak assembly it is possible recreate the aesthetics of nature , colors , grain and surface finish. 15 Furthermore, the synthetic teak assembly finds application in various sectors making it extremely versatile and using it to coat surfaces that are not perfectly smooth flat or having edges or corners. In particular, thanks to the base portion 2 it is 20 You can easily fix the outer layer 3 without having to act on it. Advantageously, 1" piece of synthetic teak is extremely elastic and resistant to weather and bumps . Even more advantageously, by making specific reference to the naval sector of preferred application, the synthetic teak is non-slip if used surface was wet, as for use on flooring. Furthermore, it has a great resistance to saltiness to atmospheric agents, as well as to vibrations. Thanks to the mixture of polyurethane resin with the gquale 1 " a ss iemediteaksynthetic is made, and it is a material waterproof, therefore, it does not absorb liquids that could 10 stain it. In light of what has been listed, it is clear that the synthetic teak assembly is particularly long-lasting and resistant without the need to dedicate excessive and expensive maintenance. 15 Furthermore, the synthetic teak assembly represents a particularly eco-sustainable material as the polymeric raw materials used to make them polyurethane resin mixture can be recovered from recycling processes. 20 Again, 1the synthetic teak assembly is easily installable thanks to assembly kits with panels shaped for any use and, consequently, easily transportable. It is finally clear that the teak assembly synthetic, alma cc production process and method production according to the present invention may be changes and variations were made which however did not come out from the scope of protection defined by the claims. Clearly the type of heterogeneous material and in detail of resin used can be varied according to need. Again, the shape of the teak assembly can be 10 any, as well as the thicknesses, in the intervals indicated. Furthermore, the machinery may comprise additional portions and accessory parts not described and the mold may be of any form as well as 11 connection 15 fluidic with the mixing module. Again, the production method can be optimized. in its phases depending on the size of the assembly teak to produce.

Claims

1 .- Synthetic teak assembly (1) comprising a base (2) configured to be fixed to a portion to be coated and an outer layer (3), said outer layer (3) being configured to at least partially surround said base (2), wherein said outer layer (3) comprising a heterogeneous material, wherein said base (2) comprises a material configured to chemically bond to said outer layer (3) when said outer layer (3) is cast onto said base (2) during manufacturing. 2 .- Synthetic teak assembly (1) according to claim 1, wherein said heterogeneous material comprises a mixture of polyol and isocyanate as bases defining a polyurethane resin. 3 .- Synthetic teak assembly (1) according to claim 1 or 2, wherein said heterogeneous material defines a thickness between 1 mm and 15 mm. 4 .- Synthetic teak assembly (1) according to one of the previous claims, wherein said heterogeneous material has a density greater than one. 5 .- Synthetic teak assembly (1) according to claim 1, wherein said base (2) comprises a material selected from at least one of: GRP, Okumè, high density MDF, PVC sheets, PET with a density over 150kg / m2.

6. Synthetic teak assembly (1) according to one of the preceding claims, wherein said heterogeneous material is placed vertically above a surface (2') of said base (2). 7 .- Production method for producing an assembly (1) according to the preceding claims, comprising the following steps: • i) producing said heterogeneous material by mixing; • ii) casting said mixture of heterogeneous material on said surface (2') of said base (2) in a mold (6); • iii) detaching the assembly (1) from the mold (6), when said heterogeneous material is solidified • iv) carrying out a surface finishing. 8 .- Production method for producing an assembly (1) according to claim 7, wherein said heterogeneous material comprises a mixture of polyol and isocyanate.

9. - Method according to claim 7 or 8, wherein said step ii) comprising said casting of said mixture of heterogeneous material takes place in a chamber (8) defining a space (9) maintained in an atmosphere controlled in temperature and humidity. 10 .- Method according to claim 9, wherein said space (9) is maintained at a temperature range between +15°C and +40°C. 11 .- Method according to claims 9 or 10, wherein said space (9) is maintained at a maximum relative humidity of 40%. 12.- Method according to one of claims 7 to 11, further comprising a step o) providing for providing release product on said mould (6) before said step ii). 13.- Method according to one of claims 7 to 12, wherein said step iv) comprises shaping and / or surface finishing operations using abrasive material. 14 .- Machinery for the production (4) of an assembly (1) according to one of claims 1 to 6 by means of a method according to one of claims 7 to 11 comprising: - a mixing module (M) suitable for producing said heterogeneous material; - a mould (6) suitable for housing said surface (2') and fluidically connected to said mixing module (M) for casting said polyurethane resin onto said surface (2') on the opposite side of a bottom wall (6') of said mould (6); wherein said mould (6) is isolated from the external environment during the casting and cooling of said polyurethane resin. 15 .- Machinery for the production (4) of an assembly (1) according to one of the preceding claims, wherein said machinery (4) comprises conditioning means configured to regulate temperature and / or humidity parameters to generate 5 a controlled atmosphere in said space (9).