FRP HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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app pub date -
Jul 16, 2008
filing date -
Jun 29, 2006
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Abstract
The present invention provides an FRP honeycomb structure which is used as a base structure material for various base structures and which offers appropriate rigidity and compression strength while reducing the weight of the entire structure. The present invention provides an FRP honeycomb structure HA formed by assembling together a plurality of FRP core units CU having the same cross sectional shape so that outer sides of the units are abutted against one another, and hardening the assembled FRP core units CU using a resin material, as well as a method for manufacturing an FRP honeycomb structure HA, the method comprising a core unit forming step of constructing an FRP braid layer 2, 3 around a core member (mandrel) m having a polygonal cross section, impregnating the FRP braid layer 2, 3 with a resin material, and hardening the FRP braid layer to form each FRP core unit CU, and a honeycomb structure forming step of assembling the FRP core units CU together so that outer sides of the FRP core units CU are abutted against one another, impregnating the assembled FRP core units CU with a resin material, and then hardening the resulting FRP core units CU to form an FRP honeycomb structure HA.
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