Tapered composite structural member and method of making same

Details Tapered composite structural member and method of making same Tapered composite structural member and method of making same

1996-09-16

1999-01-12

Marquis, Melvyn I.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

527363, 527374, 527381, 428 369, 428 3692, B29D 2200

Patent

active

058584935

ABSTRACT:
A tapered pole for supporting electric power lines, telephone lines, or an electric lamp which includes two tapered plastic, generally rigid sleeves positioned concentric to a longitudinal axis with the space between the sleeves being filled with a plurality of longitudinal generally continuous filaments encased in a solid plastic material; and a method of preparing such a pole by pushing or pulling the inside sleeve into an outside sleeve while filling the space between the sleeves with a liquid plastic material with reinforcing fibers or filaments being positioned into the space as movement occurs and the liquid plastic fills that space. The fibers are generally continuous and the per inch distribution between the ends of the pole are generally equal. End caps seal the ends against the weather elements.

REFERENCES:
patent: 2768921 (1956-10-01), Pigg
patent: 5004574 (1991-04-01), Sandt
patent: 5405668 (1995-04-01), Sandt
patent: 5576081 (1996-11-01), Sandt

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