This invention discloses a flexible pipe suitable for use as a drill string. The construction of the pipe is such that it will withstand high internal and external pressures, will sustain a substantial longitudinal load, and a substantial torque.
This application is a continuation-in-part of our copending applications Ser. No. 648,039, filed June 22, 1967, now abandoned and Ser. No. 712,163, filed Mar. 11, 1968, now Pat. No. 3,499,668.
