发明名称 METHOD OF MANUFACTURING FOAMED MOLDED ARTICLE AND MOLDING DIE
摘要 PROBLEM TO BE SOLVED: To provide a method of manufacturing a foamed molded article that can facilitate removing burrs in a short time, by not preventing occurrence of the burrs but by forming easily removable burrs, and to provide a molding die.SOLUTION: A lot of projections 8 are formed along a parting line P that is a peripheral edge part of a cavity 4 at the die matching surface of an upper die 1 and a lower die 2. After the foamed resin stock solution is injected in a cavity 5 of the lower die 2, a through-hole 12 is formed in a burr 11 formed in the periphery of the foam molded article by die matching, heating, and foaming the foamed resin stock solution. After release the mold, the burr 11 can be easily removed along these through-holes 12.
申请公布号 JP2013237243(A) 申请公布日期 2013.11.28
申请号 JP20120113188 申请日期 2012.05.17
申请人 HOWA KASEI CO LTD 发明人 OIKE HIDEKAZU;NAKAYAMA ATSUYA
分类号 B29C39/26;B29C39/22;B29K105/04 主分类号 B29C39/26
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