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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0414989 (1982-09-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 4 |
A tool having opposed cleaning heads for sequentially engaging and cleaning the opposed threaded ends of pipe joints. A pipe end is engaged and cleaned by a brush located on one of the cleaning heads. The pipe is moved longitudinally to position the remaining threaded end near the other cleaning hea
A tool for cleaning threads located on the opposed marginal ends of a pipe, comprising: a main framework (22), a horizontal shaft (91, 98) having opposed ends, a first and second opposed plate member (84, 85) having the central axis thereof attached to said horizontal shaft ends, means (83) for impa
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