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Uwe Bairischer Phones & Addresses

  • Londonderry, NH
  • Litchfield, NH

Publications

Us Patents

Filter Means With Fabric Insert

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US Patent:
59807431, Nov 9, 1999
Filed:
Aug 5, 1997
Appl. No.:
8/906759
Inventors:
Uwe Bairischer - Londonderry NH
Assignee:
Brita Wasser-Filter-Systeme GmbH - Taunusstein
International Classification:
B01D 2702
US Classification:
210266
Abstract:
A filter means for liquids with a filter cup (2) filled with filter material (1), the base (3) of which has at least one sieve-like outlet aperture (4) for the liquid, and with a lid (7) which is provided with at least one sieve-like inlet aperture (13) for the liquid, and is joined in a liquid-tight manner to the filter cup (2). In a preferred embodiment a fabric insert (9) is provided between the filter cup (2) and the lid (7). The fabric insert (9) is provided with at least one fabric piece (19) projecting into the filter cup (2) which fabric insert has a pore spacing sufficiently small to prevent passage of particles larger than 200. mu. m.

Filter Cartridge With A Sieve In An Outlet Aperture

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US Patent:
60997281, Aug 8, 2000
Filed:
Aug 7, 1997
Appl. No.:
8/910964
Inventors:
Uwe Bairischer - Londonderry NH
Assignee:
BRITA Wasser-Filter-Systeme GmbH - Taunusstein
International Classification:
B01D 2708
US Classification:
210266
Abstract:
A filter cartridge which can be filled with granular filter material, approximately in the shape of a cup open at the top which can be closed with a lid. This filter cartridge has a base (1) with at least one outlet aperture (2), has a sieve means (12) and side walls (3) and is for filtering liquids, in particular water. In order that even small granulate particles of, for example,. ltoreq. 200. mu. m wide cannot pass through the outlet apertures (2) in the base (1), and nevertheless good through flow of the liquid to be purified is ensured, it is provided according to the invention that 1-64 outlet apertures (2) are provided, each with a fabric insert (12) with plastics frames (11), with a pore size in the fabric of 50. mu. m to 300. mu. m, preferably 80 to 200. mu. m.
Uwe Clemens Bairischer from Londonderry, NH, age ~58 Get Report