Abstract: A screen forming apparatus and method comprises a long pipe of predetermined length floatable in the water, a pump for conveying the water through the pipe, a pipe connecting the pipe with the pump, an air-water device provided with the pipe for mixing the water with air, a number of nozzles disposed along the longitudinal direction of the pipe at predetermined intervals for injecting the water in the form of screen, and a device for producing air curtains flowing along the front and the rear surfaces of the screen in order to maintain the screen substantially uniform in thickness.
Type:
Grant
Filed:
April 12, 1989
Date of Patent:
December 4, 1990
Assignee:
Ishikzwajima-Harima Heavy Industries Co., Ltd.