A method of coating an expandable item (10) such as a pressure vessel or process vessel used for instance in the off shore oil industry. A compressible flexible intermediate layer (14) is provided on the item (10), and a support member (18) is embedded in the intermediate layer (14). The support mem
A method of coating an expandable item (10) such as a pressure vessel or process vessel used for instance in the off shore oil industry. A compressible flexible intermediate layer (14) is provided on the item (10), and a support member (18) is embedded in the intermediate layer (14). The support member (18) comprises an open framework base (20) and a plurality of projecting members upstanding therefrom and extending out of the intermediate layer (14) away from the item (10). A thermally insulating coating layer (12) is applied over the intermediate layer (14) such that the projecting members (22) extend into the coating layer (12), and are wholly located in the coating layer (12).
대표청구항▼
1. A method of coating an expandable item, the method including forming a flexible intermediate layer, the intermediate layer including a support member located within a layer of a compressible flexible material, with a plurality of projecting members provided on the support member which extend out
1. A method of coating an expandable item, the method including forming a flexible intermediate layer, the intermediate layer including a support member located within a layer of a compressible flexible material, with a plurality of projecting members provided on the support member which extend out of the layer of compressible flexible material on one side thereof, mounting the flexible intermediate layer on the item, with the other side of the layer of compressible flexible material against the item and the projecting members projecting away from the item, and forming a coating layer on the one side of the flexible intermediate layer, with the projecting members extending into the coating layer, and the coating layer extending beyond the projecting members such that distal ends of the projecting members are wholly located in the coating layer. 2. A method according to claim 1, in which the support member includes a base. 3. A method according to claim 2, in which the base is in the form of an open framework. 4. A method according to claim 2, in which the base is generally planar. 5. A method according to claim 2, in which the base is located in the layer of compressible flexible material. 6. A method according to claim 5, in which the base is located at least generally midway between the one side and other side of the layer of compressible flexible material. 7. A method according to claim 2, in which the support member base is made of any of a flexible material, plastics material, PEEK or nylon, metal, stainless steel. 8. A method according to claim 2, in which either the support member base and projecting members are integrally formed, or the projecting members are mounted on the support member base. 9. A method according to claim 1, in which the projecting members have formations thereon to enhance engagement with the coating layer, the formations including any of a helical thread, ribs or barbs. 10. A method according to claim 1, in which the support members are formed in sections which can be connected together with adjacent such sections. 11. A method according to claim 1, in which the compressible flexible material comprises any of a foamed material, polyethylene, polyurethane, silicone foam, a syntactic material, a non-flammable material. 12. A method according to claim 1, in which the layer of compressible flexible material is between 3 and 10 mm thick, and/or the coating layer is between 10 and 100 mm thick. 13. A method according to claim 1, in which the flexible intermediate layer is formed by moulding the compressible flexible material around the support member. 14. A method according to claim 1, in which an adhesive is provided on the other side of the flexible intermediate layer, the adhesive is pressure actuable, and the adhesive is provided with a backing sheet prior to mounting on the item. 15. A method according to claim 1, in which the coating layer is thermally insulating, and non-flammable. 16. A method according to claim 1, in which the coating layer is applied wet onto the flexible intermediate layer, and allowed to cure in situ. 17. A method according to claim 1, in which the coating layer is a foamed material, selected from the group consisting of: phenolic, epoxy, polyurethane, and syntactic. 18. A method according to claim 1, in which the expandable item is made of metal or composite material. 19. A method according to claim 1, in which the expandable item is a pressure or process expandable item.
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Windecker Robert J. (Box 219 ; Farm Rd. Belle Grade FL 33430), Cryogenic tank.
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