Non-slip structures

Claim 1

A UNITARY WATER-RESISTANT SHEET ARTICLE HAVING A FLEXIBLKE LONG-WEARING NON-MOLDED NON-ABRASIVE ANTI-SLIP IRREGULARLY-PROTUBERATED EXPOSED SURFACE LAYER WHICH WEARS UNEVENLY AND MAINTAINS AN ANTI-SLIP CHARACTER EVEN AFTER PROLONGED WEAR AND EVEN WHEN COATED WITH A THIN MOBILE FILM AFTER PROLONGED WEAR, SAID LAYER BEING FURTHER CHARACTERIZED BY BEING DEFORMABLE UNDER FOOT PRESSURE AND PROVIDING INCREASED RESISTANCE TO SLIPPAGE AS IT IS DEFORMED UNDER FOOT PRESSURE, AS WELL AS BY PROVIDING CARPET-LIKE COMFORT WHEN WALKED UPON, SAID IRREGULARLYPROTUBERATED LAYER COMPRISING AN ESSENTIALLY-CONTINUOUS, FLEXIBLE READILY-DEFORMABLE, IN-SITU-CURED, RUBBERY ADHESIVE UNDERLYING MATRIX WITHIN WHICH A MULTITUDE OF DISCRETE FLEXIBLE RESILIENT NON-ADHESIVE PARTICLES OF A SIZE RANGE BETWEEN APPROXIMATELY 10 AND 100 MESH ARE RANDOMLY DISTRIBUTED AND BONDED, THE PROTUBERANCES OF SAID IRREGULARLY-PROTUBERATED LAYER BEING NON-MOLDED SMOOTHSURFACED PROJECTIONS CONSISTING OF PARTICLES OF THE AFORESAID TYPE IN THE SIZE RANGE OF 10-6- MESH BONDED TO SAID UNDERLYING MATRIX AND COATED ON THEIR PROJECTING SURFACES WITH A FLEXIBLE, READILY-DEFORMABLE, TOUGH, IN-SITUCURED ADHESIVE COVERSIZE OF MATRIX INTEGRAL WITH SAID UNDERLYING MATRIX, THE INTEGRAL MATRIX OF SAID IRREGULARLYPROTUBERATED LAYER BEING AT LEAST ABOUT TWO TIMES MORE WEAR-RESISTANT THAN THE DISCRETE PARTICLES THEREIN, WHEREBY SAID LAYER EXHIBITS UNEVEN WEAR CHARACTERISTICS, AND THE VOLUME RATIO OF SAID DISCRETE PARTICLES TO THE SOLIDS MATERIAL OF SAID INTEGRAL MATRIX BEING BETWEEN 3:1 AND 0.2:1.