发明名称 Threads with perturbations
摘要 A threaded connection including a pin member and a box member, and methods for manufacturing and forming said threaded connection. The pin member has a pin thread with a pin thread crest, a pin thread root, a pin load flank, and a pin stab flank. The box member has a box thread with a box thread crest, a box thread root, a box load flank, and a box stab flank. At least one of the pin thread crest, the pin load flank, the pin stab flank, the box thread crest, the box load flank, and the box stab flank has at least one perturbation formed thereon. Upon a selected make-up of the pin member with the box member, an increased contact stress exists between the pin thread and the box thread at the at least one perturbation.
申请公布号 US7458616(B2) 申请公布日期 2008.12.02
申请号 US20040027014 申请日期 2004.12.30
申请人 HYDRIL COMPANY 发明人 REYNOLDS, JR. HARRIS A.
分类号 F16L15/00 主分类号 F16L15/00
代理机构 代理人
主权项
地址