发明名称 |
METHOD AND DEVICE FOR FORMING FLANGE TO HOLLOW BODY OF THERMOPLASTIC RESIN MATERIAL |
摘要 |
A process and an apparatus for forming a flange on the wall portion of a hollow body of thermoplastic material with an opening at one end provides that the end part of the wall portion which defines the opening is heated and contracted by means of a force acting on the end portion from the outside thereof over the periphery thereof, whereupon the contracted end part is subjected to a pressing operation to form a flange extending around the contracted end part. |
申请公布号 |
JPS63227317(A) |
申请公布日期 |
1988.09.21 |
申请号 |
JP19880040912 |
申请日期 |
1988.02.25 |
申请人 |
KRUPP KOOPOPURASUTO MAS GMBH |
发明人 |
PEETAA ARUPUREHITO;ADORUFU ATSUPERU;KAARU HAINTSU BARUKOU;KURAUSU HORUBUEEGE;UORUFUGANGU REIMAN;PIITAA ROOZU;KURAUSU FUOOGERU;BUARUTAA BUIIDENFUERUTO |
分类号 |
B29C51/02;B29C57/00;B29K101/12;B29L22/00;B29L31/00 |
主分类号 |
B29C51/02 |
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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