发明名称 |
Method and apparatus for blow molding plastic |
摘要 |
The invention disclosed is for a method and apparatus for blow molding foam walled plastic using a quadrisectional mold. A parison of foamed plastic may be blow molded to assume the contour of the closed mold, after which the molded shape is severed into two portions and ejected. Desirably, cellular plastic is blow molded to form hot drink cups.
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申请公布号 |
US4028034(A) |
申请公布日期 |
1977.06.07 |
申请号 |
US19750550017 |
申请日期 |
1975.02.14 |
申请人 |
COSDEN OIL & CHEMICAL COMPANY |
发明人 |
HAHN, GRANVILLE J. |
分类号 |
B29C49/04;B29C49/48;B29C49/50;(IPC1-7):B29D23/04 |
主分类号 |
B29C49/04 |
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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