Reinforced cellular floor covering

Claim 1

A CUSHION TYPE OF FLOOR COVERING WHICH MAINTAINS ITS DIMENSIONAL STABILITY AND RESISTS DELAMINATION COMPRISING: A FLEXIBLE WEARING SURFACE LAYER IN THE FORM OF A SHEET OF PLASTICIZED POLY (VINYL CHLORIDE) RESIN; A FLEXIBLE CUSHION BACKING LAYER IN THE FORM OF A SHEET OF PLASTICIZED CELLULAR POLY(VINYL CHLORIDE) RESIN POSITIONED BENEATH AND SUBSTANTIALLY CO-EXTENSIVE IN AREA WITH THE WEARING LAYER; AN IMPROVED ADHESIVE LAYER CONSISTING ESSENTIALLY OF A PLASTICIZED FILM OF A VINYL CHLORIDE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLY(VINYL CHLORIDE) AND VINYL CHLORIDE-VINYL ACETATE COPOLYMER AND CONTAINING A PLASTICIZER FOR THE VINYL CHLORIDE POLYMER IN AN AMOUNT OF 20% TO 65% BY WEIGHT OF THE VINYL CHLORIDE POLYMER DISPOSED BETWEEN THE FLEXIBLE WEARING SURFACE LAYER AND THE FLEXIBLE CUSHION BACKING LAYER AND ADHERED DIRECTLY TO SUBSTANTIALLY THE ENTIRE CONFRONTING FACES THEREOF SO AS TO STRONGLY BOND THE WEARING SURFACE AND CUSHION BACKING LAYERS TOGETHER IN A MANNER TO RESIST DELAMINATION; AND A SUPPORTING OPEN MESH GLASS FIBER FABRIC SCRIM LAYER HAVING A NUMBER OF ENLARGED OPENINGS PER UNIT AREA AND BEING SUBSTANTIALLY CO-EXTENSIVE IN AREA WITH SAID OTHER LAYERS AND OF LESSER THICKNESS THAN AND EMBEDDED IN SAID ADHESIVE BONDING LAYER, SAID ADHESIVE LAYER HAVING A THICKNESS IN THE RANGE OF 110% TO 200% OF THE THICKNESS OF SAID SCRIM, THE VINYL CHLORIDE POLYMER MATERIAL EXTENDING FREELY THROUGH THE OPENINGS IN THE SCRIM AND EXTENDING INTEGRALLY ACROSS THE SPACE BETWEEN THE CONFRONTING FACES AND INTO CONTACT THEREWITH AND COMPLETELY SURROUNDING AND ENBEDDING SAID SCRIM WHEREBY SAID GLASS FABRIC SCRIM IS CONFINED IN FIXED POSITION RELATIVE TO SAID OTHER LAYERS AND SERVES TO MAINTAIN THE DIMENSIONAL STABILITY OF THE FLOOR COVERING.