| 发明名称 |
PIPE COATING |
| 摘要 |
<p>Pipe coating is disclosed which has a thermal insulating layer of polymeric material and an outer barrier layer provided with an additional layer intermediate between the two layers to facilitate testing of the latter for discontinuities. The intermediate layer can be electroconductive, smoothsurfaced, or of color contrasting to that of the barrier layer.</p> |
| 申请公布号 |
CA1224428(A) |
申请公布日期 |
1987.07.21 |
| 申请号 |
CA19830425978 |
申请日期 |
1983.04.15 |
| 申请人 |
KENDALL COMPANY (THE) |
发明人 |
THOMAS, SAMUEL J.;ROBICH, JAMES M.;HAYES, ROBERT L. |
| 分类号 |
G01R31/02;G01R31/12;(IPC1-7):H01G7/00 |
主分类号 |
G01R31/02 |
| 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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