| 摘要 |
Device for saving gas by reorienting and concentrating the flame of the gas range burners, this being useful in all type of ranges. The device includes 2 conical-shaped stainless steel pieces for the inner and outer portion of the device, the inner portion of the cone being made of fibreglass, mineral wool or any other temperature-retaining thermal material. With the particularity that the opposite bases (figure 1, d, e) act as closing and complementary means of the device, which define the circular windows concentric the bases of the cone in the close position. In order to prevent the pieces (figure 1, d, e) from falling during the base opening manoeuvre, said pieces are welded.
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