E - Fixed Constructions – 02 – C
Patent
E - Fixed Constructions
02
C
61/31
E02C 1/06 (2006.01) E02C 1/00 (2006.01)
Patent
CA 2009660
A lock using lock chambers and lock gates capable of reducing the water consumption in the operations of raising or lowering the boat passing through the lock from one level to another. The lock includes flexible air chambers capable of being inflated with air, located on bases of the lock chambers which are connected by a pipe equipped with a valve for controlling a flow of air between the air chambers.
Foundation Of River & Basin Integrated Communications Japan
Gowling Lafleur Henderson Llp
Omachi Toshikatsu
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