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Application filed by Grigori LebedinskyfiledCriticalGrigori Lebedinsky
Application grantedgrantedCritical
Publication of AT21147BpublicationCriticalpatent/AT21147B/en
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Claims (1)
PATENT-ANSPRUCH :
Filter für körniges Filtermaterial mit doppelwandiger, in einem feststehenden Behälter drehbar gelagerter, nicht vollständig gefüllter Siebtrommel, gekennzeichnet durch parallel oder winldig zur Achse verlaufende Wellenerhöhungen in der äusseren Siebwand der Trommel, welche bei der Drehung der Trommel behufs Waschung des Schüttgutes das Umtagern des Filtermaterials begünstigen und gleichzeitig die Filterfläche vergrössern.
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PATENT CLAIM:
Filter for granular filter material with a double-walled, not completely filled sieve drum, rotatably mounted in a stationary container, characterized by corrugations in the outer sieve wall of the drum that run parallel or winding to the axis, which when the drum rotates to wash the bulk material favor the day-to-day aging of the filter material and at the same time enlarge the filter area.
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Process for the production of cellulose for the manufacture of paper, textile materials and other purposes from wood or other vegetable material by digestion with the aid of sulfides.