发明名称 WEDGE THREAD WITH HIGH-ANGLE METAL SEAL
摘要 A threaded connection includes a pin member providing a single external thread comprising a first external portion and a second external portion, a box member providing a single internal thread comprising a first internal portion and a second internal portion, and a radial metal-to-metal seal to seal between the pin member and the box member, wherein the first and second internal portions threadably correspond with the first and second external portions, and wherein the first internal and external portions are characterized by a first wedge ratio and the second internal and external portions are characterized by a second wedge ratio, wherein the first wedge ratio is less than the second wedge ratio.
申请公布号 CA2654254(C) 申请公布日期 2014.07.22
申请号 CA20072654254 申请日期 2007.05.23
申请人 HYDRIL COMPANY 发明人 REYNOLDS, HARRIS A., JR.;MALLIS, DAVID LLEWELLYN
分类号 F16L33/02;F16L33/035 主分类号 F16L33/02
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