CPC E04H 12/02 (2013.01) [B29C 70/32 (2013.01); B29C 70/545 (2013.01); E04B 1/94 (2013.01); B29K 2105/08 (2013.01); B29K 2309/08 (2013.01); B29K 2995/0016 (2013.01); B29L 2031/766 (2013.01)] | 1 Claim |
1. A composite utility pole, wherein the composite utility pole comprises:
a hollow main body; and
a composite structure comprising a plurality of integrally bonded layers of resin impregnated fiberglass extending along the length of the pole;
wherein the composite structure further comprises an intumescent layer; wherein the intumescent layer comprises high temperature mineral fibers, exfoliating graphite, organic binders; and alumina trihydrate (ATH); wherein the resin comprises DER 331 Epoxy Resin; wherein the fiberglass comprises 330 YIELD GLASS;
wherein the hollow main body comprises a base end having a first circumference and a top end having a second circumference; wherein the first circumference is larger than the second circumference; wherein the hollow main body comprises a center portion; wherein the center portion is tapered along its length.
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