发明名称 |
Dual parison stacked clamp blow molding method |
摘要 |
A blow molding method including a clamp for clamping two molds in back-to-back relationship, the clamp having first and second movable, inner platens supporting interior sections of two molds; first and second movable outer platens supporting exterior mold sections facing the interior sections; a positioner to move the inner and outer platens between opened and closed positions; an extrusion means to extrude parisons between mold sections, injectors to inject air into the interior of the parisons; and a platen retainer to resiliently position the inner platens between the outer platens to equalize pressure in the two molds.
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申请公布号 |
US5948346(A) |
申请公布日期 |
1999.09.07 |
申请号 |
US19970900938 |
申请日期 |
1997.07.28 |
申请人 |
WILMINGTON MACHINERY, INCORPORATED |
发明人 |
MILLS, JOHN W.;ALLRED, JR., JOHN F. |
分类号 |
B29C33/20;B29C33/30;B29C49/04;B29C49/36;B29C49/56;(IPC1-7):B29C49/04 |
主分类号 |
B29C33/20 |
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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