| abstract |
(57) [Summary] [PROBLEMS] To provide a durable, cushioning dust control mat for cleaning footwear of pedestrians. SOLUTION: A core portion and an outer surface portion which are composed of a rubber mat structure including at least a first layer including foam rubber and at least a second layer including solid rubber, and are integrated with the rubber mat structure. Wherein there is at least one protrusion, wherein the core of the at least one protrusion comprises a first layer of foam rubber, and the outer surface of the at least one protrusion comprises a second layer of solid rubber. A rubber floor mat comprising: |