专利内容由知识产权出版社提供
专利名称：Threaded joint for steel pipe发明人：Kunio Goto,Ryuichi Imai,Yasuhiro
Ogawa,Junichi Minami
申请号：US11547067申请日：20050405公开号：US07866706B2公开日：20110111
专利附图：
摘要：A threaded joint for a steel pipe comprises a pin and a box with a contactsurface having a threaded part and a unthreaded metal contact part, wherein a solidlubricating film containing one or more kinds of lubricating powders selected from
graphite, mica, calcium carbonate and kaolin, a copper powder, and a binder is formed onat least one contact surface of the pin and the box. An object of the present invention isto provide a threaded joint for a steel pipe which allows for repeated fastening andloosening of a threaded joint without adversely influencing on a human body andenvironment, and is excellent in galling resistance, rust preventing property and gastightness.
申请人：Kunio Goto,Ryuichi Imai,Yasuhiro Ogawa,Junichi Minami
地址：Osaka JP,Osaka JP,Tokyo JP,Tokyo JP
国籍：JP,JP,JP,JP
代理机构：Clark & Brody
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