Method of making composite laminate parts combining resin transfer molding and a trapped expansion member
In a process for forming composite laminate parts from reinforcing fibers and resin, a mold is selected which has a mold cavity having a part definition surface therein and a resin passageway leading to the cavity. An expansion member capable of expanding to a larger volume in response to heat is lo...
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| creator | JACKSON, JR. AUBREY G JAMES DARRYL G NOVAK STEPHEN M |
| description | In a process for forming composite laminate parts from reinforcing fibers and resin, a mold is selected which has a mold cavity having a part definition surface therein and a resin passageway leading to the cavity. An expansion member capable of expanding to a larger volume in response to heat is located in the cavity in conjunction reinforcing fibers which will form a part of the composite laminate part. The mold cavity is closed and resin is injected through the resin passageway to saturate the fibers. The expansion member is heated to expand the expansion member an amount sufficient to consolidate the resin and the reinforcing fibers between the expansion member and the part definition surface to shape the fibers and the resin into a component laminate part mimicking the shape of the part definition surface and to expel any excess resin from the cavity to the passageway. The resin is then cured within the mold for a time sufficient for the consolidated fibers and resin to maintain the shape of the part definition surface. |
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An expansion member capable of expanding to a larger volume in response to heat is located in the cavity in conjunction reinforcing fibers which will form a part of the composite laminate part. The mold cavity is closed and resin is injected through the resin passageway to saturate the fibers. The expansion member is heated to expand the expansion member an amount sufficient to consolidate the resin and the reinforcing fibers between the expansion member and the part definition surface to shape the fibers and the resin into a component laminate part mimicking the shape of the part definition surface and to expel any excess resin from the cavity to the passageway. The resin is then cured within the mold for a time sufficient for the consolidated fibers and resin to maintain the shape of the part definition surface.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930420&DB=EPODOC&CC=US&NR=5204042A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930420&DB=EPODOC&CC=US&NR=5204042A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JACKSON, JR.; AUBREY G</creatorcontrib><creatorcontrib>JAMES; DARRYL G</creatorcontrib><creatorcontrib>NOVAK; STEPHEN M</creatorcontrib><title>Method of making composite laminate parts combining resin transfer molding and a trapped expansion member</title><description>In a process for forming composite laminate parts from reinforcing fibers and resin, a mold is selected which has a mold cavity having a part definition surface therein and a resin passageway leading to the cavity. 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An expansion member capable of expanding to a larger volume in response to heat is located in the cavity in conjunction reinforcing fibers which will form a part of the composite laminate part. The mold cavity is closed and resin is injected through the resin passageway to saturate the fibers. The expansion member is heated to expand the expansion member an amount sufficient to consolidate the resin and the reinforcing fibers between the expansion member and the part definition surface to shape the fibers and the resin into a component laminate part mimicking the shape of the part definition surface and to expel any excess resin from the cavity to the passageway. The resin is then cured within the mold for a time sufficient for the consolidated fibers and resin to maintain the shape of the part definition surface.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method of making composite laminate parts combining resin transfer molding and a trapped expansion member |
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