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1. (WO1997018881) REVERSIBLE FLOW FILTER BASIN WITH DRAINAGE PIPES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1997/018881 International Application No.: PCT/CH1996/000356
Publication Date: 29.05.1997 International Filing Date: 09.10.1996
Chapter 2 Demand Filed: 05.03.1997
IPC:
B01D 24/24 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
24
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
02
with the filter bed stationary during the filtration
20
the filtering material being provided in an open container
24
Downward filtration, the container having distribution or collection headers or pervious conduits
Applicants:
CT UMWELTTECHNIK AG [CH/CH]; Hegifeldstrasse 10 CH-8404 Winterthur, CH
Inventors:
KUHN, Hans; CH
VESCOLI, Daniel; CH
Agent:
SULZER MANAGEMENT AG; KS/Patente/0007 Zürcherstrasse 12 CH-8401 Winterthur, CH
Priority Data:
95810715.317.11.1995EP
Title (DE) RÜCKSPÜLBARES FILTERBECKEN MIT DRAINAGEROHREN
(EN) REVERSIBLE FLOW FILTER BASIN WITH DRAINAGE PIPES
(FR) CUVETTE DE FILTRATION A RETROLAVAGE AVEC TUYAUX DE DRAINAGE
Abstract:
(DE) Das rückspülbare Filterbecken (1) enthält Drainagerohre (2), die im wesentlichen parallel angeordnet auf dem Boden (10) des Filterbeckens aufliegen. Die Drainagerohre sind zumindest paarweise durch Verbindungsplatten (4), die auf dem Boden des Filterbeckens aufliegen, miteinander verbunden.
(EN) The invention concerns a reversible flow filter basin (1) containing drainage pipes (2) which lie in a substantially parallel arrangement on the bottom (10) of the filter basin. The drainage pipes are interconnected at least in pairs by connection plates (4) lying on the bottom of the filter basin.
(FR) L'invention concerne une cuvette de filtration (1) rétrolavable qui contient des tuyaux de drainage (2) disposés de manière sensiblement parallèle sur le fond (10) de ladite cuvette de filtration. Les tuyaux de drainage sont interconnectés au moins par deux, par l'intermédiaire de plaques d'assemblage (4) situées sur le fond de la cuvette de filtration.
Designated States: CN, KR, PL, RU, TR
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: German (DE)
Filing Language: German (DE)