摘要:
Coverings for gullies, shafts or similar structures are known, the coverings having a first grating (10) which is manufactured from sheet metal and has slots (11) and webs (12), which have surfaces (13) and respective side surfaces (14, 14') made of sheet metal which is bevelled in relation to the surface. In order to increase the stability, it is proposed to provide at least one second grating (20), the webs (22) of which are inserted into the slots (11) of the first grating (10).
摘要:
A cover grating for a drainage channel (20) or a similar hollow body which can be installed in the ground is presented, comprising at least two longitudinal webs (4) extending on a lower side (3) of the cover grating (1) and inlet slots (8) formed in the cover grating (1) between these longitudinal webs (4), and comprising transverse webs (6) resulting from the slot-forming operation and extending on the lower side (3) of the cover grating (1), wherein the transverse webs (6) are provided at each of their end regions (7) with at least one receiving projection (12) which at least partially engages into a respective complementarily formed receiving slot (9) in the longitudinal web (4). There is also presented a method of producing a cover grating (1), in particular for a drainage channel (20) or a hollow body which can be similarly installed in the ground, from a sheet metal strip (32), comprising the following steps: forming at least one inlet slot (8) between two parallel edge regions (30) of the sheet metal strip (32), with the formation of at least one, in particular bent-over, transverse web (6) which protrudes from a lower side (3) of the sheet, extends parallel to the inlet slot (8) and has in each case at least one receiving projection (12) at the end region (7); forming, in particular stamping out, receiving slots (9) in the two edge regions (30) of the sheet metal strip (32) in a complementary manner to the receiving projections (12) of the transverse web (6) and in an axis with the transverse web (6); folding over the longitudinal webs (4) having the receiving slots (9) from the edge regions (30) such that the receiving projections (12) of the transverse webs (6) at least partially engage in the complementary receiving slots (9) of the longitudinal webs (4).
摘要:
A cover grating for a drainage channel (20) or a similar hollow body which can be installed in the ground is presented, comprising at least two longitudinal webs (4) extending on a lower side (3) of the cover grating (1) and inlet slots (8) formed in the cover grating (1) between these longitudinal webs (4), and comprising transverse webs (6) resulting from the slot-forming operation and extending on the lower side (3) of the cover grating (1), wherein the transverse webs (6) are provided at each of their end regions (7) with at least one receiving projection (12) which at least partially engages into a respective complementarily formed receiving slot (9) in the longitudinal web (4). There is also presented a method of producing a cover grating (1), in particular for a drainage channel (20) or a hollow body which can be similarly installed in the ground, from a sheet metal strip (32), comprising the following steps: forming at least one inlet slot (8) between two parallel edge regions (30) of the sheet metal strip (32), with the formation of at least one, in particular bent-over, transverse web (6) which protrudes from a lower side (3) of the sheet, extends parallel to the inlet slot (8) and has in each case at least one receiving projection (12) at the end region (7); forming, in particular stamping out, receiving slots (9) in the two edge regions (30) of the sheet metal strip (32) in a complementary manner to the receiving projections (12) of the transverse web (6) and in an axis with the transverse web (6); folding over the longitudinal webs (4) having the receiving slots (9) from the edge regions (30) such that the receiving projections (12) of the transverse webs (6) at least partially engage in the complementary receiving slots (9) of the longitudinal webs (4).
摘要:
The aim of the invention is to allow a simultaneously stable and variable design of a drainage structure consisting of a drainage body (11) and a cover (20). This is achieved in that the drainage body (11) and the cover (20) continuously have engagement devices (13, 13'; 14, 14'; 23, 23') when seen in a longitudinal direction of the drainage body (11), whereby the cover connects upper edges (12, 12') of the drainage body (11) to one another transversely to the longitudinal direction in a tension-resistant manner over the entire length of the drainage body. In order to allow the use of different covers (20) for different loads for example while using the same drainage body (11), two types of engagement devices (13, 13'; 14, 14') are provided on the drainage body.