Double screen former

D - Textiles – Paper – 21 – F

Patent

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Details

92/17.7

D21F 1/80 (2006.01) D21F 1/00 (2006.01) D21F 1/48 (2006.01) D21F 9/00 (2006.01)

Patent

CA 2036445

A double screen former for the manufacture of a paper web has two continuous screens forming together a double screen zone. The one screen runs in the double screen zone across rigid laths that are arranged on the dewatering box at a mutual spacing. Additionally, the other screen runs in the double screen zone across several laths which are supported by means of flexible elements and can be forced on the screen at a selective force. The space between the flexibly supported laths is at least approximately twice as large as the space between the rigid laths.

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