Environmentally compatible pole and piling

Details Environmentally compatible pole and piling Environmentally compatible pole and piling

E - Fixed Constructions

04

H

E04H 12/02 (2006.01) E01F 9/011 (2006.01) E04C 3/29 (2006.01) E04C 3/34 (2006.01) E04H 12/12 (2006.01)

Patent

CA 2377933

An elongated support structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218) suitable for outdoor use as a utility pole, post, or piling and having a multiple layered, composite construction, and a method for manufacturing such an elongated support structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218). The elongated support structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218) includes a hollow core (68, 194, 194a, 194b, 204, 210) formed of a homogeneous mixture of a matrix resin and a fibrous strenghtening material. The core (68, 194, 194a, 194b, 204, 210) is surrounded by a reinforcing layer (72, 206, 212) of fiberglass and a binding resin. An expanded foam resin layer (74, 207, 209, 215, 217) is disposed on the exterior of the reinforcing layer (72, 206, 212). The interior of the core (68, 194, 194a, 194b, 204, 210) may be subdivided into smaller longitudinal compartments (199, 200, 201, 202, 203, 205) by a structural divider (196, 196a, 196b). The support structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218) may have different cross-sectional configurations, utility poles using the elongated support structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218) include accessories and attachments, such as cross arms (56, 220), cross arm mounting brackets (58, 222), guy wire brackets (236), power line connection brackets (130, 344, 346), and end caps (60, 64, 66, 228, 240, 242, 360). Extremely long support structures (218) are assembled with coupling accessories (268, 278) from shorter support sections (230, 230a, 230b).

L'invention porte sur une structure support allongée (50, 193, 193a, 193b, 193c, 193d, 193e, 218) pour montage à l'extérieur pouvant servir de poteau indicateur, de mât ou de pieu, de construction composite multicouche, et sur le procédé de fabrication de ladite structure (50, 193, 193a, 193b, 193c, 193d, 193e, 218). Ladite structure (50, 193, 193a, 193b, 193c, 193e, 218) comporte une âme creuse (68, 194, 194a, 194b, 204, 210) faite d'un mélange homogène d'une matrice de résine et d'un matériau fibreux de renfort. L'âme (68, 194, 194a, 194b, 204, 210) est entourée d'une couche de renfort (72, 206, 212) faite de fibres de verre et d'un liant de résine. Une couche de résine expansée (74, 207, 209, 215, 217) est disposée à l'extérieur de la couche de renfort (72, 206, 212). L'intérieur de l'âme (68, 194, 194a, 194b, 204, 210) peut être subdivisé en compartiments longitudinaux plus petits (199, 200, 201, 202, 203, 205) par des diviseurs structuraux (196, 196a, 196b). La structure support (50, 193, 193a, 193b, 193c, 193d, 193e, 218) peut recevoir des accessoires et des éléments de fixation tels que des traverses (56, 220), des brides de montage de traverses (58, 222), des fixations de haubans (236), des fixations de lignes électriques (130, 344, 346), et des calottes d'extrémité (60, 64, 66, 228, 240, 242, 360). On peut former des structures supports (218) très longues à l'aide d'accessoires de couplage (268, 278) de segments plus courts (230, 230a, 230b).

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