A method and apparatus are disclosed for fabricating an anti-fatigue mat that employs a layer of resilient gel material. The method employs a frame assembly that receives a flexible sheet to form the base sheet of the mat. In one embodiment, the frame assembly includes a movable frame member having an...http://www.google.es/patents/US7754127?utm_source=gb-gplus-sharePatente US7754127 - Method for fabricating an anti-fatigue mat