DEVICE FOR REPAIR OF HOLES IN SHIP'S UNDERWATER HULL

摘要

FIELD: shipboard damage control aids. SUBSTANCE: threaded bush of telescopic stop is provided with additional thread over which cylindrical sleeve with round nut and handles moves. Cylindrical sleeve has holes for passage of water. Secured on step bearing of inner pipe is rigid patch whose sizes do not exceed sizes of sleeve. EFFECT: enhanced reliability. 1 dwg