Patent ID: 7686350
Filing Date: 2010-03-30
Classification: F16L

Abstract:
1. A threaded connection comprising: a pin member comprising a pin thread having a pin crest, a pin root, a pin load flank having a pin load flank profile and oriented at a pin load flank angle, and a pin stab flank having a pin stab flank profile and oriented at a pin stab flank angle; and a box member comprising a box thread having a box crest, a box root, a box load flank having a box load flank profile and oriented at a box load flank angle, and a box stab flank having a box stab flank profile and oriented at a box stab flank angle; wherein the pin thread and the box thread are wedge threads; wherein the pin and box load flank profiles are mismatched and the pin and box stab flank profiles are mismatched; and wherein the pin crests and box roots are matched such that the pin crests and box roots are configured to form a substantially gapless engagement therebetween; and wherein the pin roots and box crests are matched such that the pin roots and box crests are configured to form a substantially gapless engagement therebetween.