Rosenberg, Klein & Lee
Method for manufacturing knockdown safety soft floor tile
 A method for manufacturing knockdown safety soft floor tiles. The method includes steps of cleaning up an oil layer on the surface of the EVA board, using photography to print a predetermined picture on transfer printing paper, attaching the transfer printing paper with the picture to the surface of the EVA board, rolling and compressing the transfer printing paper with a high temperature roller, tearing away the transfer printing paper and leaving the picture on the EVA board and cutting the EVA board to have predetermined dimensions defining a floor tile. 
Y B
Y10T B44C
additional inventional
Wen-Lung
Wang