| 摘要 |
1507165 Purification of I.C. exhaust ENGELHARD MINERALS & CHEMICALS CORP 23 May 1975 [10 June 1974] 22741/75 Addition to 1484933 Heading B1F Apparatus for purifying gases, e.g. for catalytic conversion of I.C. exhaust, comprises a ceramic honeycomb 28, a flange 44 bridging the space between casing 22 and honeycomb 28, and either a bimetallic washer member 48a, Fig. 2, or a pleated, hollow gas filled thin metal shell gasket member 52, Fig 4, positioned under compression to provide a resilient connection between flange 44 and honeycomb 28. Member 48a may be a Belleville spring.
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