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Pub. No.:    WO/2018/137960    International Application No.:    PCT/EP2018/050938
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Wed Jan 17 00:59:59 CET 2018
IPC: F16B 5/07
F16B 12/00
Applicants: ETH ZURICH
Inventors: SENN, Cornelius
A self-centering two-panel assembly comprises a pair of cooperating panels (P1; P2), each having a basic connecting edge (e1; e2) with at least one substantially planar, rigid tongue (t11; t21, t22) protruding therefrom and having an inner tongue face (J11; J21, J22) adjacent to and facing towards an inner panel face (I1; I2) of the respective panel at an inclination angle (a), whereby an inner edge (b1; b2) along the basic connecting edge is defined as intersection of the inner tongue face (J11; J21, J22) with the inner panel face (I1; I2). The basic connecting edge (e1; e2) of each panel comprises recess sections (r11, r12; r21) formed to receive a corresponding tongue (t21, t22; t11) of the other panel. At least one of the basic connecting edges (e2) comprises a recess section (r21) disposed between two tongues (t21, t22), and each recess section (r11, r12; r21) extends from the inner edge (b1; b2) into the respective inner panel face (I1; I2) by a recess distance (dr1, dr2) which is equal to or larger than a minimum recess distance, said minimum recess distance being equal to the local panel thickness (D2; D1) of the other one of said cooperating panels (P2; P1) divided by the sine of the inclination angle (α). A self-supporting three-panel assembly comprises a two-panel assembly as disclosed above and a supplementary panel cooperating therewith.