Profile sections for plate-like composite elements

DETAILED DESCRIPTION OF THE DRAWINGS The drawings depict, diagrammatically, some exemplary embodiments of the profiles according to the invention and of the composite elements produced therewith; specifically, FIG.
1 shows a cross-section through a U-shaped border profile FIG.
2 shows a cross-section through the border part of a composite element fitted with a U-shaped border profile FIG.
3 shows a cross-section through a composite element with insert profile FIG.
4 shows a cross-section through the edge part of a composite element with a Z-shaped border profile FIG.
5 shows a cross-section through the border part of a composite element with a top layer bent around the outer edge of the border profile FIG.
6 shows a cross-section through the border part of a composite element with a fastening groove made in the border profile FIG.
7 shows a cross-section through the arrangement for bonding the components of a composite element FIG.
8 shows a perspective diagram of the components of a composite element.
FIG.
9 shows a perspective diagram of the components of another composite.
BRIEF DESCRIPTION OF THE INVENTION FIG.
1 shows the cross-section through an essentially U-shaped border profile having two arms 1, 2 whose outsides serve as bearing surfaces for the top layers and define the planes 1', 2', having a bearing surface 3 with borders 5, 6 for the core layer, having a connecting crosspiece 4, two spacers 41, two open channels 7, 8, and slots 9 made in the bearing surfaces.
FIG.
2 shows the same border profile as FIG.
1, but in the installed state with the top layers 11, 21 and the core layer 31.
At the open channels 7, 8 it is possible to see the interspaces between the top layers 11, 21 and the borders 5, 6 of the bearing surface 3 for the core layer 31.
FIG.
3 shows, in cross-section, an insert profile in the installed state.
The profile has two opposing bearing surfaces 3 for in each case one core layer 31 and is covered over by the top layers 11, 21, so that in a plan view onto the composite element it is out of sight