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1. (WO2018002433) BOX-TYPE ELEMENT

Pub. No.:    WO/2018/002433    International Application No.:    PCT/FI2017/050479
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Tue Jun 27 01:59:59 CEST 2017
IPC: E04C 2/12
E04B 1/10
E04B 2/06
E04B 1/48
F16B 5/00
E04C 2/38
E04B 1/61
Applicants: HEINONEN, Markku
Inventors: HEINONEN, Markku
According to an exemplary feature of the invention there is provided a box-structure element comprising a first surface panel (1), a second surface panel (4) located at a distance from the first surface panel (1) and a spacer structure (3, 5) joining the first (1) and second (4) surface panel to each other and defining the distance therebetween. The surface panels (1, 4) are lumber panels comprising at least three layers of lumber material glued on top of each other.