Importance

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Abstract

A threaded union highly resistant to overtorque and compression that includes a threaded member in its internal surface--called female--that joins a threaded member in its external surface--called male--. The union between the male extreme and the female is produced through the threaded surface. When the members are fully assembled, one axially oriented surface in the free extreme of one of the members--called nose--presses against a corresponding surface in the other member--called shoulder of torque. This shoulder is comprised of two surfaces, a first one coincidentally oriented to the corresponding nose of the first member, and a second one truncated and conical in shape with an angle B and with the axis of the pipe located between the first surface and the internal cylindrical surface of the female member. This geometry increases the resistance of same to overtorque action, without having to increment the net contact surface between the annular surface axially directed of the nose and the corresponding surface of the shoulder of the second member.

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First Claim