Improvements in and relating to Stages or Supports for Submarine Boring, Blasting, Pile-driving, Block-setting and like Operations.

摘要

16,374. Piercy, R. A. A S. July 8. Subaqueous boring.-Relates to improvements on the invention described in Specifications 3688/08 and 26,828/08, and consists in making one or more of the frames a, b, c constituting the staging non- rigid, for example by means of hinged joints d. Auxiliary rollers e, f are provided in addition to the main rollers g, h to assist distortion of the non- rigid frames.