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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0082529 (1987-08-07) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
The threaded connection between a graphite shaft and a metal shaft, such as is used to drive a rotating nozzle in the refining of aluminum, is strengthened by coating the graphite surface that contact the flange portion of the metal shaft prior to the fastening of the shafts together. The coating co
In a graphite shaft with a female thread adapted for threaded connection with a metal shaft having a male thread driven so as to tighten the joint between the shafts, said graphite shaft having an end surface, a portion of which comes into contact with a seating surface of a flange portion of said m
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