发明名称 |
PROCESS AND DEVICE FOR CONNECTING TOGETHER BY HEATED-TOOL BUTT-WELDING A CYLINDRICAL DRUM BODY OBTAINED BY EXTRUSION AND A VESSEL LID |
摘要 |
Process and device for connecting together an extruded plastic cylindrical vessel body (2) with a plastic lid (1) by means of butt-welding of edges (4,5) heated with a heated plate (12) the said lid being deformed elastically to a larger diameter prior to butt-welding, the device for expanding the lid (1) having a conical expansion element (9), a supporting ring (10) and locking elements (11) holding the expanded lid at a diameter corresponding to the edge diameter of the body (2). |
申请公布号 |
IN165423(B) |
申请公布日期 |
1989.10.14 |
申请号 |
IN517CA1986 |
申请日期 |
1986.07.11 |
申请人 |
KONINKLIJKE EMBALLAGE INDUSTRIE VAN LEER B.V. |
发明人 |
KEIMPEMA GERRIT JAN VAN;LOOS BERNARD JOHAN DE;FARRINGTON EDWARD JAMES |
分类号 |
B29C65/02;B29C65/00;B29C65/18;B29C65/20;B29C65/78;B29L22/00;H01J9/02;H01J9/14;H01J61/073 |
主分类号 |
B29C65/02 |
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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