Construction board

Details Construction board Construction board

E - Fixed Constructions

04

C

20/38.1

E04C 2/00 (2006.01) E04C 2/292 (2006.01)

Patent

CA 2005501

Abstract The invention relates to a longitudinal laminate board (1) of binder fixed mineral wool, which is suitable as a core of a sandwich element having surface layers of e.g. thin sheet me- tal. The laminate board consists of adjacently disposed longi tudinally oriented rods (2), whose fibre plane form a right angle to the plane of the laminate board. The rods are shor- ter than the laminate board and jointed to each other. The joints are distributed over the laminate board 80 as to eli- minate their weakening effect on the resistance of the board. The total joint surfaces of the laminates form, within an in- terval a of the board, in which a depends on the length of the board and the number of laminates in the width, maximally one third of the cross-section of the board. As to areas of the length a next to the end faces and next to the support lines of multi-field boards, higher requirements of absence of joints are posed than on interposed areas. Figure 1

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