发明名称 PROCEDE DE REALISATION D'UN PANNEAU D'HABILLAGE ET/OU DE PROTECTION ACOUSTIQUE
摘要 The invention concerns a method comprising the following steps: providing a hot pressing mould, said mould comprising a die (2) and a punch (3) defining a moulding cavity (4) sealed by closing said mould, said punch or said die having a face (5) provided with graining; arranging, between said die and said punch, stacked in sequence, a permeable coating layer (6), a permeable structural and sound absorption layer (7) capable of being moulded by hot pressing and a sealed thermoplastic film (8), said coating layer being turned towards said face, said layers being at a temperature at which they can be moulded; closing said mould in such a way as to seal said cavity; applying a pressurised gas at the side of said film, in such a way as to press said film against said structural layer in order to compress it and in such a way as to press said coating layer against said face in order to provide it with graining; after cutting around the periphery, demoulding the obtained panel (1).
申请公布号 FR3032374(B1) 申请公布日期 2017.03.24
申请号 FR20150052275 申请日期 2015.03.19
申请人 CERA APS 发明人 POTHIER MARC;DREZET DAVID;BLOM CHRISTOPHE
分类号 B29C43/18;B60R13/08 主分类号 B29C43/18
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