Twin-wire former for producing a fibrous web

The filters (4, 5) are formed under a wedge-shaped material, which passes from the end of the returning element (6, 8), where the element (8) has a wide stretched device (20), which is arranged into the filter direction. The device is a broad cogging roller/controller screened return (CSR) roller is...

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Bibliographische Detailangaben
Hauptverfasser: JASCHINSKI, THOMAS, SCHMIDT-ROHR, VOLKER, RUEHL, THOMAS
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The filters (4, 5) are formed under a wedge-shaped material, which passes from the end of the returning element (6, 8), where the element (8) has a wide stretched device (20), which is arranged into the filter direction. The device is a broad cogging roller/controller screened return (CSR) roller is arranged before the returning element. The direction of the molder exhibits a wedge shaped, which is formed by shoe last and border element is arranged oppositely and the filter having a vertically double sieve-strain (12) with a vacuum zone. The returning elements are rollers and dug machine are formed within the stretched filters, and the filters are formed at the end of the elements in the direction of the stretched filter. The molder having fiber suspension (3) is led over to the rollers, two filters and dug machine. In the molder, the operating speed is greater than 1,500 m/minutes.