| 摘要 |
The present invention relates to a resilient member (FIG. 7b) and combination of resilient members into resilient devices. Particular embodiments of the present invention relate to a bio film reactor comprising a stack of bio film discs formed as a resilient member thereby allowing the stack of bio film discs to be self compensative at least partially for expansion of the stack as a result of e.g. changes in temperature. Furthermore, the resilient member and device according to the present invention provide a great flexibility as to the actual choice of material for the member and device. The male protrusions (4) of one resilient member (1) are introduced into the voids (5) of the female protrusions (3) of a similar or identical member (1). Male protrusions (4) of a second kind do not abut the bottom of the voids (5).
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