Patent ID: 11892105
Assignee: 925599 ALBERTA LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  E | IPC E  F

Claim 20:
21. A method of connecting a first pipe with a second pipe using power tongs having a die length, the method comprising:
providing an interference fit threaded connector comprising:
an elongate body extending between a first end and a second end;
a first connection portion on an inside surface of the body proximate the first end having interference fit threading for connecting with the first pipe;
a second connection portion on the inside surface proximate the second end having interference fit threading for connecting with the second pipe;
a gripping surface extending along an outside surface of the body intermediate the first connection portion and the second connection portion for a gripping length at least as long as the die length, the gripping surface comprising a recessed gripping surface, the recessed gripping surface adapted for gripping by the power tongs, wherein at least the portion of the body defining the recessed gripping surface comprises metal; and
a reinforced portion of the body intermediate the first connection portion and the second connection portion for resisting deformation of the body when a connection is made up with the connector,
wherein the body has a first outside diameter along at least one of the first and second connection portions, and a second outside diameter along the recessed gripping surface, the first outside diameter being larger than the second outside diameter;

tonging on to the gripping surface and on to the first pipe with a power tong;
rotating the connector relative to the first pipe to connect the connector to the first pipe at a torque value with the power tong;
tonging on to the gripping surface and on to the second pipe with the power tong; and
rotating the second pipe relative to the connector to connect the connector to the second pipe at the torque value with the power tong.