| 摘要 |
<p>1484044 Accessories for aeration plant REED INTERNATIONAL Ltd 26 Nov 1975 [6 Dec 1974] 52901/74 Heading B1C A support for supporting a porous diffuser 2 over a gas discharge opening of a gas supply pipe 1, comprises a diffuser supporting body 3, which: (a) is adapted to locate the periphery of said diffuser so that a gas chamber is defined between the diffuser and said supporting body, (b) is adapted to locate with said gas discharge opening of said gas supply pipe whereby gas can be supplied from said gas discharge opening to said chamber, and (c) has downwardly extending limbs 27, 28 which are adapted to straddle said gas supply pipe, said limbs being provided with means 29 which are adapted to positively locate with said gas supply pipe. As shown the locating means provided on said limbs comprise projections 29 which are adapted to locate in holes or recesses 30 in the wall of said gas supply pipe.</p> |
