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AssigneeSaint-Gobain Vetrotex France S.A.
InventorsJEAN-PAUL DEBALME, DOMINIQUE LOUBINOUX
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The invention relates to the manufacture of a composite product which consists: in continuously depositing onto a moving substrate glass threads of which at least 80% by weight thereof are commingled threads consisting of glass filaments and of filaments of thermoplastic organic material which are intimately blended, the quantity of glass deposited representing more than 40% by weight of the total quantity of material deposited in the form of glass threads and of organic material, in transferring this glass threads-organic material combination into a number of zones where the said combination is heated, compressed and cooled, the heating and/or the cooling of the said combination being simultaneously accompanied by its compression, in cutting up the said combination in the form of sheets or in winding it onto a rotating drum.
Process for the manufacture of a composite product obtained by the association of glass threads and of a thermoplastic organic material in the filamentary state, which consists:
Process according to any of the preceding claims, characterized in that the glass threads and the material which are deposited are exclusively in the form of at least one strip of fabric and/or of knit formed at least partially by commingled threads.
Process according to any one of the preceding claims, characterized in that the weight of glass which is deposited represents at least half of the total weight of material deposited onto the conveyor.
Dependencies are inferred from the claim text.