公开(公告)号：US20120074690A1

公开(公告)日：2012-03-29

申请号：US13310241

申请日：2011-12-02

Applicant: David Llewellyn Mallis ,  Gary W. Ward

Inventor： David Llewellyn Mallis ,  Gary W. Ward

IPC: F16L15/06 ,  B23P11/00 ,  F16L15/04

CPC classification number: B23P11/00 ,  E21B17/0423 ,  F16L15/002 ,  F16L15/06 ,  Y10T29/49826 ,  Y10T29/49881

Abstract: A threaded connection includes a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, and box wedge threads disposed on each of the first and second box steps, wherein an axial separation of the first and second pin steps differs from an axial separation of the first and second box steps.

公开(公告)号：US07690696B2

公开(公告)日：2010-04-06

申请号：US09977746

申请日：2001-10-15

Applicant: David Llewellyn Mallis ,  Harris Allen Reynolds

Inventor： David Llewellyn Mallis ,  Harris Allen Reynolds

IPC: F16L25/00

CPC classification number: F16L15/004 ,  E21B17/0423 ,  Y10T29/49881

Abstract: A threaded pipe connection including a pin member having an external thread increasing in width in one direction, the external thread including load and stab flanks, a box member having an internal thread increasing in width in the other direction so that complementary internal and external threads move into engagement upon make-up of the connection, the internal thread comprising load and stab flanks, a positive stop torque shoulder, and wherein the width of the internal thread and external thread are selected to provide a selected clearance at least between the internal load and stab flanks and the external load and stab flanks upon initial engagement of the positive stop torque shoulder is disclosed.

Abstract translation: 一种螺纹管连接件，其包括具有在一个方向上宽度增加的外螺纹的销构件，所述外螺纹包括负载和刺入侧面;箱构件，其具有在另一方向上宽度增加的内螺纹，使得互补的内部和外部螺纹移动 通过连接构成接合，内螺纹包括负载和刺爪侧面，正止动扭矩肩部，并且其中内螺纹和外螺纹的宽度被选择为提供至少在内部负载和 公开了在正止动扭矩肩部的初始接合时的侧面以及外部负载和胫骨侧面。

公开(公告)号：US06626471B2

公开(公告)日：2003-09-30

申请号：US09922825

申请日：2001-08-06

Applicant: David Llewellyn Mallis

Inventor： David Llewellyn Mallis

IPC: F16L2500

CPC classification number: F16L15/004

Abstract: A threaded tubular connection has a box member including an internal thread, a pin member including an external thread engageable with the internal thread of the box member, and a protruding sealing surface disposed in the box member such that the pin member flexes radially inward upon passing the protruding sealing surface during make-up. The threaded tubular connection also has a recessed seal cavity disposed in the box member and a reverse angle shoulder at the pin nose that forces the pin member to flex radially outward into the recessed seal cavity of the box member upon final make-up. A method of forming a double flex seal for a tubular connection includes engaging an internal thread of a pin member with an external thread of a box member and flexing a pin nose of the pin member radially inward by passing the pin nose over a protruding sealing surface of the box member during make-up. The method also includes flexing the pin nose radially outward when a reverse angle shoulder of the pin nose comes into contact with a reverse angle shoulder of the box member during make-up and completing the double flex seal by finally making up the connection such that the pin nose of the pin member seats in a recessed seal cavity disposed in the box member.

Abstract translation: 螺纹管状连接件具有包括内螺纹的盒构件，包括可与盒构件的内螺纹接合的外螺纹的销构件以及设置在箱构件中的突出密封表面，使得销构件经过径向向内弯曲 化妆时突出的密封面。 螺纹管状连接件还具有设置在盒构件中的凹形密封腔和销尖处的倒角肩部，其在最终化妆时迫使销构件径向向外弯曲成盒构件的凹形密封腔。 形成用于管状连接的双柔性密封件包括将销构件的内螺纹与箱构件的外螺纹接合，并且通过使销头通过突出的密封表面而使销构件的销头径向向内径向向内弯曲 化妆品盒成员。 该方法还包括在组装期间当销尖的倒角肩部与盒构件的倒角肩部接触时，径向向外弯曲销尖，并且通过最终构成连接来完成双挠性密封，使得 销构件的销头位于设置在箱构件中的凹形密封腔中。