发明名称 |
SYSTEM FOR COATING A WELDED PIPE JOINT WITH WEIGHTING MATERIAL |
摘要 |
A system for coating a welded joint in butt-welded pipes, comprising the following stages: feeding a first component constituted by a mixture of modified polyurethane resins premixed with a high-density inert material of well defined particle size to the hopper of a screw feeder by way of a regulator valve which meters its throughput; conveying said first component in the form of a slurry by means of said screw feeder into a blade mixer where it is carefully mixed with a second component constituted by a liquid hardening catalyst in a suitable mixing proportion by means of a metering pump and by way of a heat exchanger; and finally filling a form surrounding said joint with the catalyzed mixture leaving said blade mixer. |
申请公布号 |
AU2064683(A) |
申请公布日期 |
1984.05.31 |
申请号 |
AU19830020646 |
申请日期 |
1983.10.27 |
申请人 |
SAIPEM S.P.A., N.I.C.C. LTD. |
发明人 |
GIORGIO BENEDINI;ANTHONY EDWARD JOHN STRANGE |
分类号 |
B05D7/14;B05D7/24;B29B7/42;B29C70/74;E02B9/06;E02F5/10;F16L1/038;F16L59/20 |
主分类号 |
B05D7/14 |
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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