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Method of thermal insulation of a poolRelated Patent Categories: Baths, Closets, Sinks, And Spittoons, Pool TypeMethod of thermal insulation of a pool description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070180603, Method of thermal insulation of a pool. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] This invention relates to a method of thermal insulation of a pool, in particular to a method of thermal insulation of a swimming pool, and to a pool that is thermally insulated by such a method. BACKGROUND TO THE INVENTION [0002] Various methods of thermal insulation of pools are known. [0003] In one of the known methods, hollow modular expanded polystyrene formers sold under the registered trade mark BECO are assembled into a pool wall and concrete is poured into the formers. Once the concrete has set, the formers are left in place to give a concrete pool wall the interior and exterior surfaces of which are provided with a layer of expanded polystyrene. [0004] This method is not suitable for construction of a floor of a pool and can only be used for construction of the walls of new pools. [0005] In another of the known methods, shown in International Patent Application Publication No. WO 01/44601, modular wall members comprising a pair of steel sheets enclosing a layer of polyurethane insulation are assembled into a pool wall inside a hole. The modular wall members are braced against the edges of the hole by brace rods so as to leave a gap between the edges of the hole and the exterior surface of the pool wall. The gap is then filled with a suitable backfill material such as pea shingle. [0006] Again this method is not suitable for construction of a floor of a pool and can only be used for the construction of the walls of new pools. [0007] In yet another of the known methods, a hole is excavated and a steel skeleton is erected against the walls of the hole. Insulation boards are attached to the steel skeleton to line the walls of the hole. Cement is then sprayed onto the insulation board and floor of the hole in layers to form a pool wall and floor. [0008] This method is also not suitable for construction of a floor of a pool, because the weight of the pool would have to be supported on insulation board. It also can be used only for the construction of new pools. [0009] In this specification, "pool" includes any container that will hold more than 200 litres of a liquid, for example a swimming pool, exercise pool, or a hot tub. SUMMARY OF THE INVENTION [0010] According to a first aspect of the invention there is provided a method of thermal insulation of a pool, the method comprising the steps of preparing a pool structure, and attaching a layer of thermal insulation material to an interior surface of the pool structure. [0011] The step of preparing the pool structure may advantageously comprise building a new pool structure. [0012] However, the step of preparing the pool structure may advantageously alternatively comprise preparing an existing pool structure, to enable the layer of thermal insulation material to be attached thereto. [0013] The invention therefore provides a method that is more versatile than known methods, because it can be carried out on both new and existing pools, and can be used on both the walls and the floors of such pools. [0014] Where the step of preparing the pool structure comprises building a new pool structure, the step of building the new pool structure may advantageously include attaching a further layer of thermal insulation material, said further layer being attached to an exterior surface of the pool structure. [0015] In this way not only can heat transfer from a liquid in the pool to the pool structure be reduced, but also heat transfer from the pool structure to the environment of the pool structure can be reduced. [0016] The step of preparing the existing pool structure may advantageously simply comprise draining the existing pool structure. [0017] Preferably, however, the step of preparing the existing pool structure comprises draining the existing pool structure and preparing an interior surface of the existing pool structure for attachment of the layer of thermal insulation material. [0018] The step of attaching the layer of thermal insulation material to the interior surface of the pool structure may advantageously comprise applying an adhesive to the layer and/or to the surface. [0019] Alternatively or additionally, the step of attaching the layer of thermal insulation material to the interior surface of the pool structure may advantageously comprise fastening the layer of thermal insulation to the surface by means of a mechanical fastener. [0020] The layer of thermal insulation material may advantageously comprise an impermeable material. Use of an impermeable material prevents a liquid in the pool from being absorbed into the material, which would adversely affect the thermal insulation property of the material. [0021] The layer of thermal insulation material preferably comprises at least one insulation board. Continue reading about Method of thermal insulation of a pool... Full patent description for Method of thermal insulation of a pool Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Method of thermal insulation of a pool patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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