发明名称 Hollow article and its manufacturing method and apparatus thereof
摘要 The present invention is a hollow article with an integral impact absorbing rib and the method of manufacturing the same. The apparatus is a hollow article made of thermoplastic resin and integrally formed by blow molding, comprising a first wall and a second wall confronting across a spacing. There is an integral rib between the first wall and the second wall, wherein the integral rib comprises a flat rib between the walls and one or more hollow ribs adjacent to each of two side ends of the flat rib. The impact absorbing rib is disposed at intervals and in an impact action direction. The rib is uniform in shape, dimensions and wall width, and free from reduction of wall width of the inner rib, yet possessing proper structural support and mechanical strength, and excellent in impact absorbing performance.
申请公布号 US2003071388(A1) 申请公布日期 2003.04.17
申请号 US20020300988 申请日期 2002.11.21
申请人 IWASAKI KENJI 发明人 IWASAKI KENJI
分类号 B29C49/04;B29C49/48;(IPC1-7):B29C49/04 主分类号 B29C49/04
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