US 9,809,935 B2
Rail of a drainage channel
Arne Meincke, Osdorf (DE); Jan Mieze, Hamburg (DE); and Michael Sieber, Timmaspe (DE)
Assigned to ACO SEVERIN AHLMANN GMBH & CO. KG, Budelsdorf (DE)
Appl. No. 14/649,046
Filed by ACO SEVERIN AHLMANN GMBH & CO KOMMANDITGESELLSCHAFT, Büdelsdorf (DE)
PCT Filed Dec. 4, 2013, PCT No. PCT/EP2013/075446
§ 371(c)(1), (2) Date Jun. 2, 2015,
PCT Pub. No. WO2014/086808, PCT Pub. Date Jun. 12, 2014.
Claims priority of application No. 10 2012 111 960 (DE), filed on Dec. 7, 2012.
Prior Publication US 2016/0194837 A1, Jul. 7, 2016
Int. Cl. E02D 29/14 (2006.01); E01C 11/22 (2006.01); E03F 3/04 (2006.01); E03F 5/06 (2006.01)
CPC E01C 11/227 (2013.01) [E02D 29/14 (2013.01); E02D 29/149 (2013.01); E03F 3/046 (2013.01); E03F 5/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A rail for a drainage channel or a manhole on which a cover for a channel and/or a manhole can be placed, having a horizontal bearing surface running in a longitudinal direction of the drainage channel or the manhole and having a rail edge essentially perpendicular to the former, wherein the cover can be placed on an inner surface of the rail or the rail edge, and a surface covering can be applied to an outer surface of the rail,
characterized in that
the outer surface is provided with beads over the entire length of the rail that run perpendicular to the longitudinal direction and thus vertically, and
the inner surface is provided with beads that run parallel to the longitudinal direction.