Supporting structure of plastic construction for a formwork panel

Abstract

A supporting structure of plastic construction for a formwork panel, comprising a supporting structure and a formwork skin which is positioned on the front side of the supporting structure and attached to the supporting structure, wherein the supporting structure has two longitudinal edge supports and two transverse edge supports,characterized in that the supporting structure comprises a main body made of plastic, to which the two longitudinal edge supports and the two transverse edge supports belong, and, in the region of the front sides of the two longitudinal edge supports and/or of the two transverse edge supports, has an edge protection provided for protecting at least part of the edge of the formwork skin after attachment thereof to the supporting structure, wherein the edge protection is made of a material different from the material of said supports of the supporting structure and has a portion projecting forward from the respective said support; and/orin that the supporting structure has a main body made of plastic, to which the two longitudinal edge supports and the two transverse edge supports belong, and, in the region of the front sides of the two longitudinal edge supports and/or of the two transverse edge supports, and/or in the region of the rear sides of the two longitudinal edge supports and/or of the two transverse edge supports, has a reinforcement made of a material different from the material of said supports of the supporting structure.

1 . A supporting structure of plastic construction for a formwork panel comprising a supporting structure and a formwork skin positioned on the front side of the supporting structure and attached to the supporting structure,
 wherein the supporting structure has two longitudinal edge supports and two transverse edge supports,   characterized in   that the supporting structure has a main body made of plastic, to which the two longitudinal edge supports and the two transverse edge supports belong, and, in the region of the front sides of the two longitudinal edge supports and/or of the two transverse edge supports, has an edge protection provided for protecting at least part of the edge of the formwork skin after attachment thereof to the supporting structure, wherein the edge protection is made of a material different from the material of said supports of the supporting structure and has a portion projecting forward from the respective said support; and/or   that the supporting structure comprises a main body made of plastic, to which the two longitudinal edge supports and the two transverse edge supports belong, and in the region of the front sides of the two longitudinal edge supports and/or of the two transverse edge supports, and/or in the region of the rear sides of the two longitudinal edge supports and/or of the two transverse edge supports, has a reinforcement made of a material different from the material of said supports of the supporting structure.   
     
     
         2 . The supporting structure according to  claim 1 ,
 characterized in that the edge protection and/or the (respective) reinforcement includes a plurality of material strips.   
     
     
         3 . The supporting structure according to  claim 1  or  2 ,
 characterized in that the edge protection and/or the (respective) reinforcement has the shape of a rectangular frame. 
 
     
     
         4 . The supporting structure according to any one of  claims 1  to  3 ,
 characterized in that the edge protection—as seen in a cross-sectional plane perpendicular to the longitudinal extension of the respective support—has a first leg substantially parallel to the front side of the respective support and a second leg projecting forward from the first leg. 
 
     
     
         5 . The supporting structure according to any one of  claims 1  to  4 ,
 characterized in that the respective reinforcement has a horizontal rectangular cross-section—as seen in a cross-sectional plane perpendicular to the longitudinal extension of the respective support. 
 
     
     
         6 . The supporting structure according to any one of  claims 1  to  5 ,
 characterized in that the edge protection and/or the (respective) reinforcement is made of metal or of long fiber reinforced plastic. 
 
     
     
         7 . The supporting structure according to any one of  claims 1  to  6 ,
 characterized in that the edge protection and/or the (respective) reinforcement has a plurality of holes, and the respective support has a plurality of extensions on its front side and/or on its rear side, each of which projects into one of the holes. 
 
     
     
         8 . The supporting structure according to any one of  claims 1  to  7 ,
 characterized in that the edge protection and/or the (respective) reinforcement is at least partially embedded in the plastic material of the respective support. 
 
     
     
         9 . The supporting structure according to any one of  claims 1  to  8 ,
 characterized in that the main body thereof comprises the two longitudinal edge supports, the two transverse edge supports and a plurality of transverse intermediate supports. 
 
     
     
         10 . The supporting structure according to any one of  claims 1  to  9 ,
 characterized in that the main body thereof is an integral plastic part. 
 
     
     
         11 . The supporting structure according to any one of  claims 1  to  10 ,
 characterized in that the two longitudinal edge supports and/or the two transverse edge supports are formed as double walls with two partial walls and with first connecting walls therebetween, which have planes of extension transverse to the longitudinal extension direction of the respective support. 
 
     
     
         12 . The supporting structure according to any one of  claims 1  to  11 ,
 characterized in that the two longitudinal edge supports and/or the two transverse edge supports are formed as double walls with two partial walls and with a second connecting wall therebetween on the front side of the double wall or with a third connecting wall therebetween on the rear side of the double wall. 
 
     
     
         13 . The supporting structure according to any one of  claims 9  to  12 ,
 characterized in that at least a partial number of the transverse intermediate supports comprises two partial walls that are spaced further apart from one another on the side closer to the front side of the supporting structure than on the side further away from the front side of the supporting structure. 
 
     
     
         14 . The supporting structure according to any one of  claims 9  to  13 ,
 characterized in that at least a partial number of the transverse intermediate supports—as measured perpendicular to the front side of the supporting structure—is of lesser height than the supporting structure and, on the side further away from the front side of the supporting structure, terminates at a distance from the rear side of the supporting structure. 
 
     
     
         15 . The supporting structure according to any one of  claims 9  to  14 ,
 characterized in that, on its front side, there is a supporting plane for the formwork skin, to which regions on the front sides of the two longitudinal edge supports, regions on the front sides of the two transverse edge supports and regions on the front sides of the transverse intermediate supports contribute. 
 
     
     
         16 . A formwork panel,
 characterized in that it comprises a supporting structure according to any one of  claims 1  to  15  and a formwork skin positioned on the front side of the supporting structure and attached to the supporting structure.   
     
     
         17 . The formwork panel according to  claim 16 ,
 characterized in that the formwork skin is made of plastic.   
     
     
         18 . The formwork panel according to  claim 16  or  17 ,
 characterized in that the edge protection and/or the reinforcement provided in the region of the front sides of the respective supports is positioned in sandwich-like manner between the front sides of the respective supports of the supporting structure and the formwork skin, and in that, by fastening of the formwork skin to the supporting structure, there is formed at the same time a fastening of the edge protection and/or the reinforcement to the formwork panel. 
 
     
     
         19 . The formwork panel according to any one of  claims 16  to  18 ,
 characterized in that the formwork skin has clip extensions formed on its rear side, by means of which it is fastened to the supporting structure. 
 
     
     
         20 . The formwork panel according to any one of  claims 16  to  19 ,
 characterized in that the formwork skin has extensions formed on its rear side; and in that the formwork skin is fastened to the supporting structure by means of screws which are threadedly engaged in at least a partial number of these extensions from the rear side of the supporting structure. 
 
     
     
         21 . The formwork panel according to  claim 20 ,
 characterized in that at least a partial number of said screws each extends through a hole of the reinforcement provided in the region of the rear sides of the respective supports, whereby said reinforcement is fastened to the formwork panel.   
     
     
         22 . A method of manufacturing a supporting structure according to any one of  claims 1  to  15 ,
 characterized in that the edge protection is at least partially and/or the reinforcement is at least partially positioned in an injection mold and is at least partially embedded in the plastic of the supporting structure by overmolding when the supporting structure is injection molded.