Patent ID: 11879189
Assignee: BALL FABRICS, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  E | IPC D  E

Claim 10:
11. A method of making a visual barrier windscreen, the method comprising:
forming a first series of monofilament threads in pillar stitches extending in a longitudinal direction;
forming a second series of monofilament threads in zig-zag stitches binding adjacent pillar stitches; and
forming a third series of monofilament threads in zig-zag stitches binding adjacent pillar stitches;
wherein a pattern of wind-passage holes are formed by a cooperation of the pillar stitches and zig-zag stitches;
wherein at least a 75-80% visual block is attained with the cooperation of the pillar stitches and zig-zag stitches;
wherein the first, the second, and the third series of monofilament threads comprise Ultraviolet (UV) stabilized high density polyethylene;
wherein the cooperation of the pillar stiches and zig-zag stitches achieve an air flow permeability that is greater than 755 cfm/ft2.