B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/24 (2006.01) B29C 53/30 (2006.01) B29C 59/00 (2006.01) B29C 59/02 (2006.01) B29C 70/52 (2006.01) E04C 5/07 (2006.01) E04C 5/12 (2006.01)
Patent
CA 2121466
A process and an apparatus for forming fiber reinforced plastic (FRP) formed product with spiral grooves to be employed in a continuous pultrusion process for forming the FRP formed product with the spiral grooves. It is intended to permit formation of the grooves without cutting FRP fiber upon formation of the FRP formed product with the spiral grooves, thus preventing lowering of the tensile strength of the FRP formed product and improving quality. Strip bodies (1) are wound on the outer periphery of the FRP formed product before curing in intersecting spiral fashion, depressed the wound portion of the strip bodies (10) toward the center of the FRP formed product, and removed from the FRP formed product after curing. By this, the FRP formed product with the spiral groove suitable to be employed as a reinforcement for the concrete constructions.
Kabushiki Kaisha Komatsu Seisakusho
Komatsu Plastics Industry Co. Ltd.
Sim & Mcburney
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