FR3125456B1 - Composite material overmolding process - Google Patents

Composite material overmolding process Download PDF

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Publication number
FR3125456B1
FR3125456B1 FR2107797A FR2107797A FR3125456B1 FR 3125456 B1 FR3125456 B1 FR 3125456B1 FR 2107797 A FR2107797 A FR 2107797A FR 2107797 A FR2107797 A FR 2107797A FR 3125456 B1 FR3125456 B1 FR 3125456B1
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FR
France
Prior art keywords
composite material
polymer material
polymer
overmolding process
laser beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2107797A
Other languages
French (fr)
Other versions
FR3125456A1 (en
Inventor
Christophe Cornu
Richard Tomasi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre Technique des Industries Mecaniques CETIM
Original Assignee
Centre Technique des Industries Mecaniques CETIM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre Technique des Industries Mecaniques CETIM filed Critical Centre Technique des Industries Mecaniques CETIM
Priority to FR2107797A priority Critical patent/FR3125456B1/en
Publication of FR3125456A1 publication Critical patent/FR3125456A1/en
Application granted granted Critical
Publication of FR3125456B1 publication Critical patent/FR3125456B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

La présente invention concerne un procédé de surmoulage de matériau composite comprenant les étapes suivantes : on fournit une pièce en matériau composite (12) comportant une matrice faite d’un premier matériau polymère et des fibres de renfort ; on fournit un second matériau polymère thermoplastique ; on fournit une source laser adaptée à produire un faisceau laser (14) et on oriente ledit faisceau laser (14) contre la surface (11) de ladite pièce en matériau composite (12) de manière à ablater ledit premier matériau polymère de ladite matrice à ladite surface, tandis que des fibres de renfort (20) sont mises à nu à ladite surface ; et,- on surmoule, dans ledit second matériau polymère, un élément (44) sur ladite surface ablatée de manière à pouvoir relier ensemble ledit élément (44) et ladite pièce en matériau composite (12), tandis que ledit second polymère noie lesdites fibres de renfort mises à nu (20). Figure à publier avec l’abrégé : Fig. 1The present invention relates to a composite material overmolding method comprising the following steps: a composite material part (12) is provided comprising a matrix made of a first polymer material and reinforcing fibers; providing a second thermoplastic polymer material; a laser source adapted to produce a laser beam (14) is provided and said laser beam (14) is directed against the surface (11) of said composite material part (12) so as to ablate said first polymer material from said matrix to said surface, while reinforcing fibers (20) are exposed on said surface; and, - an element (44) is overmolded in said second polymer material on said ablated surface so as to be able to connect together said element (44) and said piece of composite material (12), while said second polymer embeds said fibers exposed reinforcement (20). Figure to be published with the abstract: Fig. 1

FR2107797A 2021-07-20 2021-07-20 Composite material overmolding process Active FR3125456B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2107797A FR3125456B1 (en) 2021-07-20 2021-07-20 Composite material overmolding process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2107797 2021-07-20
FR2107797A FR3125456B1 (en) 2021-07-20 2021-07-20 Composite material overmolding process

Publications (2)

Publication Number Publication Date
FR3125456A1 FR3125456A1 (en) 2023-01-27
FR3125456B1 true FR3125456B1 (en) 2024-05-03

Family

ID=77711103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2107797A Active FR3125456B1 (en) 2021-07-20 2021-07-20 Composite material overmolding process

Country Status (1)

Country Link
FR (1) FR3125456B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5263622B2 (en) * 2009-10-05 2013-08-14 大倉工業株式会社 Joining structure and joining method of fiber reinforced plastic
JP7142236B2 (en) * 2018-03-28 2022-09-27 パナソニックＩｐマネジメント株式会社 Element chip manufacturing method
FR3083160B1 (en) 2018-06-29 2022-01-21 Centre Techn Ind Mecanique METHOD FOR MAKING A FIXING END CAP IN A COMPOSITE MATERIAL
JP6773824B2 (en) * 2019-01-25 2020-10-21 ポリプラスチックス株式会社 Composite molded product

Also Published As

Publication number Publication date
FR3125456A1 (en) 2023-01-27

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