Moulding composite panels
A method of manufacturing a composite panel comprising locating in a moulding cavity 66 of a press mould 68 an assembly 60 of a panel part 62 and a reinforcement part 64 which is disposed at one or more locations on a surface of the panel part to provide primary structural area(s) adjacent to at lea...
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creator | Daniel Thomas Jones |
description | A method of manufacturing a composite panel comprising locating in a moulding cavity 66 of a press mould 68 an assembly 60 of a panel part 62 and a reinforcement part 64 which is disposed at one or more locations on a surface of the panel part to provide primary structural area(s) adjacent to at least one secondary structural area of the panel part; the panel part comprising of a first ply including a first fibrous layer 88 of randomly oriented non-woven carbon fibres and the reinforcement part comprising at least one second fibrous layer 94; the panel and reinforcement part being provided with a resin. Press moulding the assembly to form a composite panel in which the reinforcement portion is integrally moulded with the panel portion wherein the mold tool applies a higher compressive pressure to the primary structural area(s) than to at least one secondary structural area. The higher compressive pressure preferably provides a higher volume fraction of fibres in the primary structural area (e.g. 30-55vol%) than in the secondary structural area (e.g. 15-30vol%). A thickness ratio of the gap of the cavity and the thickness of the moulded part is preferably higher in the secondary structural area (e.g from 75-100%) than in the primary structural area (e.g. 45-75%). The composite panel may be a vehicle body panel. |
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Press moulding the assembly to form a composite panel in which the reinforcement portion is integrally moulded with the panel portion wherein the mold tool applies a higher compressive pressure to the primary structural area(s) than to at least one secondary structural area. The higher compressive pressure preferably provides a higher volume fraction of fibres in the primary structural area (e.g. 30-55vol%) than in the secondary structural area (e.g. 15-30vol%). A thickness ratio of the gap of the cavity and the thickness of the moulded part is preferably higher in the secondary structural area (e.g from 75-100%) than in the primary structural area (e.g. 45-75%). The composite panel may be a vehicle body panel.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; PERFORMING OPERATIONS ; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE ; 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</subject><creationdate>2019</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=20190904&DB=EPODOC&CC=GB&NR=2560614B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190904&DB=EPODOC&CC=GB&NR=2560614B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Daniel Thomas Jones</creatorcontrib><title>Moulding composite panels</title><description>A method of manufacturing a composite panel comprising locating in a moulding cavity 66 of a press mould 68 an assembly 60 of a panel part 62 and a reinforcement part 64 which is disposed at one or more locations on a surface of the panel part to provide primary structural area(s) adjacent to at least one secondary structural area of the panel part; the panel part comprising of a first ply including a first fibrous layer 88 of randomly oriented non-woven carbon fibres and the reinforcement part comprising at least one second fibrous layer 94; the panel and reinforcement part being provided with a resin. Press moulding the assembly to form a composite panel in which the reinforcement portion is integrally moulded with the panel portion wherein the mold tool applies a higher compressive pressure to the primary structural area(s) than to at least one secondary structural area. The higher compressive pressure preferably provides a higher volume fraction of fibres in the primary structural area (e.g. 30-55vol%) than in the secondary structural area (e.g. 15-30vol%). A thickness ratio of the gap of the cavity and the thickness of the moulded part is preferably higher in the secondary structural area (e.g from 75-100%) than in the primary structural area (e.g. 45-75%). The composite panel may be a vehicle body panel.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>PERFORMING OPERATIONS</subject><subject>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD0zS_NScnMS1dIzs8tyC_OLElVKEjMS80p5mFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8e5ORqZmBmaGJk7GhFUAAK0gIfM</recordid><startdate>20190904</startdate><enddate>20190904</enddate><creator>Daniel Thomas Jones</creator><scope>EVB</scope></search><sort><creationdate>20190904</creationdate><title>Moulding composite panels</title><author>Daniel Thomas Jones</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2560614B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2019</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>PERFORMING OPERATIONS</topic><topic>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Daniel Thomas Jones</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Daniel Thomas Jones</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Moulding composite panels</title><date>2019-09-04</date><risdate>2019</risdate><abstract>A method of manufacturing a composite panel comprising locating in a moulding cavity 66 of a press mould 68 an assembly 60 of a panel part 62 and a reinforcement part 64 which is disposed at one or more locations on a surface of the panel part to provide primary structural area(s) adjacent to at least one secondary structural area of the panel part; the panel part comprising of a first ply including a first fibrous layer 88 of randomly oriented non-woven carbon fibres and the reinforcement part comprising at least one second fibrous layer 94; the panel and reinforcement part being provided with a resin. Press moulding the assembly to form a composite panel in which the reinforcement portion is integrally moulded with the panel portion wherein the mold tool applies a higher compressive pressure to the primary structural area(s) than to at least one secondary structural area. The higher compressive pressure preferably provides a higher volume fraction of fibres in the primary structural area (e.g. 30-55vol%) than in the secondary structural area (e.g. 15-30vol%). A thickness ratio of the gap of the cavity and the thickness of the moulded part is preferably higher in the secondary structural area (e.g from 75-100%) than in the primary structural area (e.g. 45-75%). The composite panel may be a vehicle body panel.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng |
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subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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 | Moulding composite panels |
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