公开(公告)号：US3576698A

公开(公告)日：1971-04-27

申请号：US3576698D

申请日：1968-09-16

Applicant: MONSANTO CHEMICALS

Inventor： CHIDGEY RONALD W ,  DOLEMAN JACK

IPC: D06N7/00 ,  E01C13/08 ,  A41G1/00 ,  D04H11/00

CPC classification number: E01C13/08 ,  D06N7/0076 ,  D06N7/0081 ,  D06N7/0086 ,  D06N2201/02 ,  D06N2201/0254 ,  D06N2201/0263 ,  D06N2201/085 ,  D06N2203/042 ,  D06N2203/048 ,  D06N2203/061 ,  D06N2203/065 ,  D06N2203/068 ,  D06N2205/04 ,  D06N2209/106 ,  D06N2209/1628 ,  D06N2209/1692 ,  D06N2213/063 ,  Y10T428/23979 ,  Y10T428/31696

Abstract: MOLDED, THERMOPLASTIC, THREE-DIMENSIONAL SYNTHETIC SOD IS PROVIDED WHICH COMPRISES A MATRIX HAVING OPENINGS, PROJECTIONS EXTENDING FROM THE MATRIX TO SIMULATE BLADES OF GRASS AND AN OPEN MESH, METALLIC SCREEN BONDED TO THE UNDER SIDE OF THE MATRIX. THE BACKING SERVES TO PROVIDE DIMENSIONAL STABILITY TO THE SOD AGAINST TEMPERATURE CHANGES. ADDITIONALLY, THE UNDER SIDE OF THE MATRIX MAY HAVE A POROUS, FIBROUS, SYNTHETIC FIBRIC BONDED THERETO THROUGH THE OPENINGS IN THE METALLIC SCREEN. THE FABRIC SERVES TO PREVENT WEED GROWTH AND EROSION.