DUCTWORK

WIPO Patent Application WO/2012/059106

A3

Ductwork (1) for arranging at least one pipe through an opening (2) in a partitioning (3), including a flange (4) having an outer periphery area (5) and a central area (7) which is formed with a guide opening (8) for every pipe, the flange (4) being provided with a number of mounting apertures (11), the flange (4) having an inner side (9) and an outer side (10) opposite the inner side (9), where the inner side (9) is adapted for bearing against one side (6) of the partitioning,wherein the ductwork (1) further includes a connecting arrangement mounted in each mounting aperture (13), the connecting arrangement including force transmission means (15) with an operating member (22) disposed over the outer side (10) of the flange, and with a shank (17) extending through the mounting aperture (11), a clamping means (23) disposed on the shank (17) of the force transmission means and which is displaceable around and/or along the shank (17) by actuating the operating member (22), and an engagement arrangement (19) disposed between the inner side (9) of the flange and the clamping means (23), and which is adapted with contact surfaces (23) interacting with contact surfaces (18) on the clamping means (23), and engaging faces (20) that may be displaced radially relative to the orientation of the shank by actuating the operating member (22).

LOHMANN HANS (DK)

PCT/DK2011/050413

August 23, 2012

November 02, 2011

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BLUECHER METAL AS (DK)
LOHMANN HANS (DK)

F16L5/08; F16B13/06; F16B13/08

DE202005007846U1	2006-09-21
US5810400A	1998-09-22
US3841673A	1974-10-15
US20020159829A1	2002-10-31
EP0496356A1	1992-07-29

PATRADE A/S (Aarhus C, DK)

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