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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0612841 (1984-05-22) |
우선권정보 | GB-0014209 (1983-05-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 20 인용 특허 : 5 |
Joints and leaks in pipelines or mains are sealed by injecting into the joint or leak a sealant by means of an expandible tubular pig which is moved endwise through the pipeline or main. The sealant is in the form of an anaerobically curable monomer which cures in the relatively air free conditions
A method for sealing a joint or leak in a pipeline or main, the method comprising forming within the pipeline or main a space which is as free as possible of any fluid and which communicates with the joint or leak, injecting into the joint or leak by way of the space an anaerobically curable liquid
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