APPARATUS CAPABLE OF MOVING IN A TUBE, METHOD OF MOVING IN A TUBE, AND SUPPORT MECHANISM

摘要

A method and apparatus for moving a creeper through a pipe or tube is shown and described. At least two support members are moved alternately along the length of the pipe by means of a computer control. The supports alternately support the apparatus, and each support may have two or more support arms which are computer controlled. H:/spec/tomita.rrs