发明名称 |
Composite pipe |
摘要 |
A composite reinforced plastic pipe and method of making the same are disclosed wherein a resin impregnated surfacing mat is formed into a tubular inner liner on a mandrel or the like, a plurality of resin impregnated continuous fiberglass strands are helically wound upon the inner liner to form an inner layer, a sand-resin composition is applied onto the inner layer to form a tubular core, and an outer layer of resin impregnated continuous fiberglass strands are helically wound upon the tubular core whereafter the composite pipe is cured to provide a pipe having high resistance to internal and external pressures.
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申请公布号 |
US4243075(A) |
申请公布日期 |
1981.01.06 |
申请号 |
US19790008471 |
申请日期 |
1979.02.02 |
申请人 |
CLOW CORPORATION |
发明人 |
MCPHERSON, ALEX L.;TRIESTRAM, DOUGLAS E.;LAWRENCE, JR., JAMES E. |
分类号 |
B29C53/60;F16L9/14;(IPC1-7):F16L9/04 |
主分类号 |
B29C53/60 |
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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