发明名称 |
Extrusion apparatus and method for extruding abrasive pastes |
摘要 |
This invention concerns an improved apparatus for extruding abrasive pastes, especially those which contain ground glass together with polymerizable material, and which comprises a conventional piston and cylinder extrusion apparatus in which the working surfaces are protected by a replaceable lining system consisting of a thin tubular liner and two discs substantially closing its ends and enclosing the paste to be extruded. In the preferred embodiment (FIG. 1) the lining system is made of polypropylene.
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申请公布号 |
US4212840(A) |
申请公布日期 |
1980.07.15 |
申请号 |
US19780940872 |
申请日期 |
1978.09.08 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES LTD |
发明人 |
CLIFF, GEORGE S;WILLOCKS, JACK |
分类号 |
A61C5/06;B29C47/54;(IPC1-7):B28B7/36 |
主分类号 |
A61C5/06 |
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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