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    LIQUID-PERMEABLE FLOOR COVERING
    33.
    发明专利
    LIQUID-PERMEABLE FLOOR COVERING 未知

    公开(公告)号：CA2258718A1

    公开(公告)日：1997-12-18

    申请号：CA2258718

    申请日：1997-06-12

    Applicant: FLEISCHHACKER GERHARD

    Inventor： FLEISCHHACKER GERHARD

    IPC: E01C5/20 ,  E01C5/00 ,  E01C11/22 ,  E04F15/00 ,  E01C9/00

    Abstract: Liquid-permeable floor covering for floors that can be walked or driven on, and the like, made of two or more layers (1, 2), joined over the whole surface, of a cellular elastic plastic, with each floor-side layer (1) being considerably thicker than each surface-side layer (2), with the side of the covering in contact with the floor having in the corresponding floor-side layer liquid-drainage channels (3, 3') running in parallel and spaced apart formed in it, with further channels (4) branching off from these channels at intervals and running through the or each floor-side layer, these further channels (4) being cut or shaped into the or each floor-side layer (1) and opening downwards.

    Covering for a sewer manhole
    34.
    发明专利
    Covering for a sewer manhole 未知

    公开(公告)号：AU1916497A

    公开(公告)日：1997-10-10

    申请号：AU1916497

    申请日：1997-03-18

    Applicant: FLEISCHHACKER GERHARD

    Inventor： FLEISCHHACKER GERHARD

    IPC: E02D29/14 ,  E03F5/06 ,  E03F5/14 ,  E01C11/22

    Abstract: PCT No. PCT/AT97/00057 Sec. 371 Date Nov. 16, 1998 Sec. 102(e) Date Nov. 16, 1998 PCT Filed Mar. 18, 1997 PCT Pub. No. WO97/35076 PCT Pub. Date Sep. 25, 1997A cover for a sewage shaft comprising a shaft lid (1) including apertures (2) for the passage of sewage, a filtering element (3) spanning the region of the apertures (2) being arranged at the lower side of this lid, wherein the filtering element (3) projects into the apertures (2) and, at its upper side, ends substantially flush with the upper side of the shaft lid (1).

    FILTER ELEMENT
    37.
    发明专利
    FILTER ELEMENT 未知

    公开(公告)号：SK26799A3

    公开(公告)日：2000-03-13

    申请号：SK26799

    申请日：1997-09-02

    Applicant: FLEISCHHACKER GERHARD

    Inventor： FLEISCHHACKER GERHARD

    IPC: E01C11/22 ,  E03F1/00 ,  E03F5/06

    Abstract: A filter element (1) for liquid permeable floor area fastening (17), a floor covering plate (15), a manhole cover (15), a sewage cavity or the like, with at least one pre-filtering layer (3) in the direction of the through-flow (2) and at least one following filter layer (4,4'), wherein the free through-flow sections (a, b, b') of each layer (3, 4, 4') increase from layer to layer in the direction of the through-flow. The filter also comprises a housing (5) which surrounds the filter layers (4,4') in a framelike manner and maintains them, wherein each filter layer (4,4') is formed from granular material and the grains are available in loose form or linked to each other by a weak binding agent.

    COVERING FOR A SEWER MANHOLE
    39.
    发明专利
    COVERING FOR A SEWER MANHOLE 未知

    公开(公告)号：HU9901743A2

    公开(公告)日：1999-09-28

    申请号：HU9901743

    申请日：1997-03-18

    Applicant: FLEISCHHACKER GERHARD

    Inventor： FLEISCHHACKER GERHARD

    IPC: E02D29/14 ,  E03F5/06 ,  E03F5/14 ,  E01C11/22

    Abstract: PCT No. PCT/AT97/00057 Sec. 371 Date Nov. 16, 1998 Sec. 102(e) Date Nov. 16, 1998 PCT Filed Mar. 18, 1997 PCT Pub. No. WO97/35076 PCT Pub. Date Sep. 25, 1997A cover for a sewage shaft comprising a shaft lid (1) including apertures (2) for the passage of sewage, a filtering element (3) spanning the region of the apertures (2) being arranged at the lower side of this lid, wherein the filtering element (3) projects into the apertures (2) and, at its upper side, ends substantially flush with the upper side of the shaft lid (1).

    40.
    发明专利
    未知

    公开(公告)号：BR9711665A

    公开(公告)日：1999-08-24

    申请号：BR9711665

    申请日：1997-09-02

    Applicant: FLEISCHHACKER GERHARD

    Inventor： FLEISCHHACKER GERHARD

    IPC: E01C11/22 ,  E03F1/00 ,  E03F5/06

    Abstract: A filter element (1) for liquid permeable floor area fastening (17), a floor covering plate (15), a manhole cover (15), a sewage cavity or the like, with at least one pre-filtering layer (3) in the direction of the through-flow (2) and at least one following filter layer (4,4'), wherein the free through-flow sections (a, b, b') of each layer (3, 4, 4') increase from layer to layer in the direction of the through-flow. The filter also comprises a housing (5) which surrounds the filter layers (4,4') in a framelike manner and maintains them, wherein each filter layer (4,4') is formed from granular material and the grains are available in loose form or linked to each other by a weak binding agent.

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