发明名称 Method and apparatus for producing a seat cushion.
摘要 Foamed articles of at least two different hardnesses, for example seat cushions, are made by pouring a first foamable composition into a heated lower mold (8), forming it into a desired shape using a first upper mold (6); removing the mold (6) and, as the composition reaches its tack-free state, pouring a second foamable composition on to it and shaping that with a second upper mold (7).
申请公布号 EP0242152(A2) 申请公布日期 1987.10.21
申请号 EP19870303192 申请日期 1987.04.13
申请人 TOYO TIRE & RUBBER COMPANY LIMITED 发明人 YAMAZAKI, SHINICHI;KAI, YASUO
分类号 B29C39/12;B29C33/30;B29C39/26;B29C39/38;B29C44/08;B29K105/04;B29L31/58;B68G5/00;B68G5/02 主分类号 B29C39/12
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