Composite utility poles and methods of manufacture

Details Composite utility poles and methods of manufacture Composite utility poles and methods of manufacture

E - Fixed Constructions

04

C

E04C 3/30 (2006.01) E04C 3/36 (2006.01) E04H 12/02 (2006.01)

Patent

CA 2380002

Composite utility pole (22) structures and methods of manufacture using a pultrusion process. The poles (22) may be N sided, with longitudinal pre- stressed rovings (58) in each corner. The inner periphery of the poles (22) may have flat regions (36) centrerd between the outside corners, with the flat regions (36) joined by circular arcs (40) in the corner regions. Various pole structures (22) and methods of manufacture are described, including curved poles, and poles having walls that are tapered in thickness and structure.

L'invention concerne des structures de poteaux de ligne (22) et leurs procédés de fabrication par pultrusion. Ces poteaux (22) peuvent comprendre un nombre N de côtés et un stratifil précontraint (58) longitudinal sur chaque angle. La périphérie intérieure des poteaux (22) peut comprendre des régions planes (36) centrées entre les angles extérieurs, ces régions planes (36) se rejoignant grâce à des arcs de cercle (40) situés dans les angles. L'invention concerne également différentes structures de poteaux (22) et leurs procédés de fabrication, y compris des poteaux incurvés et des poteaux comprenant des parois à épaisseur et à structure effilées.

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