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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0855707 (1986-04-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 7 |
A corrosion coupon holder for inserting and removing a coupon from the interior of a pipeline while under pressure has an elongated housing with a threaded connection at one end and a removable closure device at the other end, the housing connection to be attached to a pipe entry valve which is conn
A test coupon holder for inserting and removing a coupon from the interior of a pipeline comprising: an elongated housing defining a chamber, said housing having connecting means at one end for connecting said housing to a pipe entry valve which is connected as a branch to a pipeline to be tested; a
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