发明名称 Process and device for manufacturing, by rotomoulding, containers provided with an opening having an internal (female) thread, and containers produced
摘要 The invention relates to a process and a device for manufacturing, by rotomoulding, containers provided with an opening having an internal thread, and extends to the containers produced. According to the invention, a mould (1a) is used which includes a removable mould-cavity-carrying part having a cylindrical segment (7) carrying the mould cavity for the thread, and around this cylindrical section (7) is placed a rigid ring (12) which is held so that the said ring is embedded, during the rotomoulding, in the wall thickness of the container on the perimeter of the opening of this container. <IMAGE>
申请公布号 FR2688441(A1) 申请公布日期 1993.09.17
申请号 FR19920002930 申请日期 1992.03.10
申请人 TRAITEMENT EAUX STE NALE 发明人 PERE CLAUDE
分类号 B29C33/12;B29C41/04;B29C70/70 主分类号 B29C33/12
代理机构 代理人
主权项
地址