Process for manufacturing a twisted FRP structure

Details Process for manufacturing a twisted FRP structure Process for manufacturing a twisted FRP structure

1989-11-13

1992-01-28

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

156149, 156172, 156180, 15624412, 264 15, 264 17, 264137, 264174, 26421112, 264285, 264295, 264339, 264231, 264347, 425114, B29C 5314, B29C 4702

Patent

active

050842218

ABSTRACT:
A twisted FRP structure having sufficient strength and flexibility is produced by providing a rod member disposed centrally and twist a plurality of side strands twisted around the rod member in the same direction at a predetermined pitch. At least the side strand includes a composite strand having an FRP element from by impregnating fibers with an uncured thermosetting resin and a thermoplastic coating on such FRP element, the thermosetting resin being cured after the side strands are twisted around the rod member. The twisting pitch is not less than 25 times the outside diameter of the FRP element in the side strand.

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