发明名称 |
Method of spraying sealing composition to interior walls of storage tank |
摘要 |
This specification describes a process and apparatus for closing leaks and spraying a sealant composition to interior walls of an underground gasoline tank such as is used in retail gasoline service stations. A gas tank suspected of leaks is emptied of stored gas and purged with compressor air applied thru a valve control and pipe conduit threadly inserted in the conventional fill pipe of the tank. The pipe conduit includes a means defining an aperture at the lower extremity of the conduit which extends into the tank interior. An explosion safety level meter is attached to the pipe conduit for providing a humanly detectable signal of the environment within the tank. An excavation enables a craftsperson to cut an access port through the tank wall for entering the tank interior, cleaning-up residue, sandblasting the interior walls, and spraying a sealant composition of thixotropic polyester resin and a catalyst onto the sandblasted walls.
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申请公布号 |
US4022935(A) |
申请公布日期 |
1977.05.10 |
申请号 |
US19750557896 |
申请日期 |
1975.03.12 |
申请人 |
KINNEY, PAUL W.;KIRK, CARL WALTER |
发明人 |
KINNEY, PAUL W.;KIRK, CARL WALTER |
分类号 |
B29C73/00;B65D90/00;C09D133/00;C09K3/12;(IPC1-7):B32B35/00 |
主分类号 |
B29C73/00 |
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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