Static structures (e.g. – buildings) – With synthetic resinous component – With nonresinous component
Patent
1978-02-27
1981-01-27
Leppink, James A.
Static structures (e.g., buildings)
With synthetic resinous component
With nonresinous component
52720, 52223R, 52225, E04C 336
Patent
active
042467322
ABSTRACT:
A pole, particularly for electric lines, formed by a hollow body of resin impregnated material which has a shape, of decreasing diameter the narrow end of the pole at its tip. Reinforcing members extend radial of the longitudinal axis of the pole along its length and filaments or bands are stretched over the reinforcing members with further filaments wound thereover along the pole axis. A method and apparatus for producing such poles in which a plurality of filaments or bands are strung between a pair of clamping means to form a core, reinforcing means are placed within the core, the clamped plurality of filaments or bands are rotated and a skein of wrapping material is wound over the core by a reciprocating machine. The tension of the winding operation is controlled to produce a dual tapered body, the body being cut in half to form two poles.
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Leppink James A.
Raduazo Henry E.
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