Glass-ceramic cooking surface protecting device, has flexible mat, which is made of silicone or polytetrafluoroethylene, with alphanumeric symbols and symbols or silkscreen shapes, where flexible mat has contour with extra thickness

摘要

The device has a flexible mat (1), which is made of transparent silicone or polytetrafluoroethylene (PTFE), where the flexible mat has a contour (2) with extra thickness. The flexible mat includes alphanumeric symbols, symbols or silkscreen shapes and an armed structure. The contour constitutes a hermetic obstruction zone.