发明名称 FLAP VENT PIECE, FLAP VENT PIECE ASSEMBLY AND MOLD FOR MOLDING TIRE
摘要 PROBLEM TO BE SOLVED: To prevent the clogging of a vent hole by tearing the rubber burr of a green tire by a flap vent piece for opening and closing the vent hole formed to a mold for molding a tire. SOLUTION: The flap vent piece 11 opens and closes the vent hole formed to the mold for molding the tire to vent air. This flap vent piece 11 comprises a thin metal sheet material and is formed by bending the thin sheet material and superposing the bent parts one upon another on the back side of the thin sheet material. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004167689(A) 申请公布日期 2004.06.17
申请号 JP20020332667 申请日期 2002.11.15
申请人 NGK INSULATORS LTD 发明人 ISHIHARA YASUYUKI
分类号 B29C33/02;B29L30/00;(IPC1-7):B29C33/02 主分类号 B29C33/02
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