METHOD FOR PRODUCING FRP
A method of producing FRP includes disposing a preform made of a reinforcing fiber base material in a cavity of a mold, providing a resin injection path and a suction path that sucks at least air to the mold, and causing resin from the resin injection path to flow in a direction toward the suction p...
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| creator | Tsuji Seiji Watanabe Kazuya Yamamoto Kohnosuke |
| description | A method of producing FRP includes disposing a preform made of a reinforcing fiber base material in a cavity of a mold, providing a resin injection path and a suction path that sucks at least air to the mold, and causing resin from the resin injection path to flow in a direction toward the suction path in the cavity to be impregnated into the preform, wherein 1) a high flow resistance region for partially making the resin flowing in the preform hardly flow is formed in the preform itself, 2) a flow front of the resin flowing in the direction toward the suction path through the high flow resistance region is controlled to settle within a permitted region that has been predetermined relative to a shape of a product to be molded, 3) the resin injection path is formed from a runner provided around the preform and the suction path is disposed at a central portion of the preform, and the high flow resistance region is formed at a corresponding part corresponding to a part around the suction path as a high flow resistance region to cause the resin flowing in the preform from a part around the corresponding part toward the corresponding part hardly flow at the corresponding part. |
| format | Patent |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | METHOD FOR PRODUCING FRP |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-04T19%3A47%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=Tsuji%20Seiji&rft.date=2016-11-24&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2016339648A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |