Patent ID: 6957932

Claim:
A benthic screen for controlling aquatic plant growth comprising: a. a sheet of flexible material; b. a plurality of spaced apart elongated, metal retaining rods that are transversely positioned across the width of the surface of said sheet and are attached thereto; and c. a tubular collar for attaching each elongated metal retaining rod to the sheet, said tubular collar being comprised of a hollow cylindrical shaft having an inner surface, an outer surface and a slit which passes through the shaft wall and is coextensive with the length of the shaft; each of said rods being positioned inside of the corresponding tubular collar's hollow cylindrical shaft with a portion of said sheet being positioned so that it extends through the slit in the shaft wall, and another portion of said sheet being positioned between each rod and the inner surface of the corresponding tubular collar's hollow cylindrical shaft.