| 摘要 |
<p>The drain includes a drain pot (49) made of plastics, a tube (48) connected to the drain pot, and a fire prevention device with a substance (56) that foams at increased temperature. The fire prevention device includes an applicator, such as an adhesive, which holds the substance in a first location, and releases it if the temperature exceeds a threshold, so that it can transfer to a second location, below the first location. In the second location, the substance closes the floor or ceiling opening.</p> |
