| 摘要 |
The patent proposes a new design of screener frame. It includes a round screener frame. There is protuberant component on the lower of screener frame to fix and connect with screener. There is protuberant sealing step on the upper of screener frame. At least one annular trough is in the middle of the screener frame ektexine and one lock-up ring for screen cloth installed in each annular trough. At the double end of lock-up ring, a special lock-up setting is connected. The new design has sealing step and annular trough in the upper and middle of screener frame ektexine. It tightens and fixes screener cloth on the frame with at least one lock-up ring. As a result, it not only has the advantage of handiness and economy, but also improves the speed to install and replace screener cloth. The most important is that the strain intensity of screener cloth has been greatly improved and accordingly the screener cloth is not easy to relax.
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