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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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