Mortar- coated steel pipe (40) comprise a steel cylinder (42) having a mortar layer (44) disposed therein, such mortar layer (44) being free of any metallic reinforcement. An overcoat (46) is disposed over the mortar layer (44) and is formed from a material that is a dielectric and/or a barrier to moisture and oxygen entering the mortar layer, e.g., a polymeric material. The pipe (42) may include a further concrete or mortar layer (48) disposed over the overcoat (46), forming an outermost pipe surface. The outer layer can be cement, mortar, or other material. The mortar layer thickness is about 1.2 to 4 cm. The pipe is made by compression coating method, where mortar layer and overcoat are applied simultaneously. When an outer layer (48) is desired, it is preferably applied at the same time as the mortar layer (44) and the overcoat (46).
Pressure cast lined steel pipes comprise an annular concrete or mortar liner (14) along an inside diameter, and a metal shell (12) surrounding the liner, wherein the liner (14) is in direct contact with the metal shell (12). The wall thickness of the liner can be from 10 to 50 times the thickness of the metal shell The pipe may be coated with a dielectric material A mold assembly used to form the pipe includes an annular concrete or mortar composition chamber formed between the metal shell and an inner mold member Pressurized water is used in the mold assembly to pressurize the concrete or mortar composition and exert a desired pressure force onto the metal shell while the composition cures in the mold Once a desired degree of cure is achieved, the pressure is removed causing the metal shell to exert a desired compression force onto the cured liner
Poles of this invention have an annular body with a wall structure comprising a number of fiber reinforced resin layers, which can be positioned to form an inside and/or outside portion of the wall structure. A portion of the layers are oriented longitudinally within the wall structure, and the wall structure also includes radially-oriented fiber reinforced resin layers. The pole includes one or more layers or a core of a composite material or polymer mortar disposed within one or more locations of the wall structure, e.g., as an intermediate layer and/or as part of the wall inside and/or outside portion. The pole can include an outside surface resistant to ultra violet radiation. Poles of this invention can be formed using a continuous process on a rotating mandrel, making use of differently positioned stations to form the different portions of the pole as the fabrication is moved axially along the mandrel.
B29C 70/20 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts comprenant uniquement des renforcements, p. ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres de grande longueur, ou des fibres continues orientées dans une seule direction, p. ex. mèches ou autres fibres parallèles
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
ACIDPROOF MATERIAL COMPOSED OF POLYVINYL RESINS COMBINED WITH INERT PIGMENTS AND PLASTIZERS FOR LINING OR COATING STEEL OR CONCRETE PIPES, STRUCTURES, TANKS, VATS, WALLS, AND FLOORS; [CHEMICAL-RESISTANT CAULKING COMPOUNDS;] SHEETS OF PLASTIC MATERIAL FOR SEALING POROUS SURFACES; SEALANTS AND CAULKING COMPOUNDS [; FIBERGLASS-REINFORCED PLASTIC PIPE AND FITTINGS, AND PIPE GASKETS]
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
02 - Couleurs, vernis, laques
07 - Machines et machines-outils
08 - Outils et instruments à main
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
19 - Matériaux de construction non métalliques
28 - Jeux, jouets, articles de sport
37 - Services de construction; extraction minière; installation et réparation
Produits et services
(1) Machines and equipment for applying coating and lining material for concrete and metal.
(2) Pipe for transmission of fluids and fittings therefore.
(3) Protective coatings in the nature of paints which prevent corrosion of substrates, contamination of cargoes, and fouling.
(4) Paint-like coatings material of vinyl, or epoxy, or coal tar, or acrylic, or alkyd, or zinc-rich based type, used in coating steel or other metals to prevent corrosion and as tank linings to prevent attack and/or contamination, and for application to concrete and in nuclear environments where radiation and decontaminability are factors. Pigmented compositions for application to metallic surfaces as a protective coating therefor.
(5) Chemical resistant adhesives.
(6) Paints; varnishes, lacquers; preservatives against rust and against deterioration of wood, coloring matters; dye stuffs; mordants, natural resins; metals in foil and powder form for painters and decorators.
(7) Steel poles and arms used for lighting standards and traffic signal standards.
(8) Chemical-resistant cements, mortars, grouts, sealants and caulking compounds. (1) Lining of pipes with cement mortar, epoxy, or other coatings, including lining of existing pipelines in need of rehabilitation.
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
19 - Matériaux de construction non métalliques
20 - Meubles et produits décoratifs
21 - Ustensiles, récipients, matériaux pour le ménage; verre; porcelaine; faience
Produits et services
(1) Acid proof material composed of polymer vinyl resins combined with inert pigments and plasticizers, used for lining or coating steel or concrete pipes, structures, tanks, vats, walls, floors.
