Gas Research Institute

Robert T Hsiung

Bruce B Gamble

Richard M Wiesman

Edward E Fischer

Richard R Fontana

Steven J Kozminski

A cornering pipe traveler includes a tractor having a pair of carriages, a leading carriage and a trailing carriage, each carriage including a clamping device for positively engaging the inner surface of the pipe, and structure for propelling the carriage along the pipe; interconnected between the pair of carriages there is a device for exerting a curling force between the two carriages for mechanically compelling the lead carriage to curl and enter a turn in the pipe; also included is structure for aligning the lead carriage so that the curling force compels the pipe traveler to enter a selected turn to be made.

Growing community of inventors

Brookline, MA, United States of America

Robert T Hsiung