Rain grating without up-spurting air
A rain grate and gas channeling technology, applied in waterway systems, drainage structures, water supply devices, etc., can solve problems such as environmental disharmony and odor of underground pipes.
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[0009] As shown in Figure 1, a sealing rubber strip 8 is provided at the edge around the back of the grate body 1. This rubber strip can ensure that the turbid air under the grate body 1 does not escape through the four frames of the grate body and the contact surface of the grate seat. The strips can be bonded or embedded in the processed groove; the sealing sheet 5 is a thin sheet corresponding to the hole 6 on the grate to be blocked, which can block all the holes on the entire grate in a single piece. Corresponding seals can also be set for one row, several rows, one column, several columns or every two rows, one or several holes in a column, and around one or more holes corresponding to the seals on the back grate. Adhesive strip 8 is provided, and this adhesive strip can also be installed on the sealing sheet, which can ensure that the turbid air does not escape from the drain hole 6; in order to increase the strength of the sealing sheet, a rib-shaped object or Stamping...
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