Patent number: 8615956
Abstract: The invention relates to a panel structure, in which structure at least two layer sheets (1,6;12,13;22,23;31,32;41,44,45) are fixed to each other with at least one connection member (2,11,21,33,42,43,46) and the connection member (2,11,21,33,42,43,46) is generated from one of the at least two layer sheets (1,6;12,13;22,23;31,32;41,44,45). At least part of the connection member (2,11,21,33,42,43,46) is diverged from the layer sheets (1,6;12,13;22,23; 31,32;41,44,45) forming at least one opening (8,17,27,35) through the layer sheet (1,6;12,13;22,23;31,32;41,44,45) wherefrom the connection (2,11,21,33, 42,43,46) is generated.
Type:
Grant
Filed:
September 3, 2008
Date of Patent:
December 31, 2013
Assignee:
Outokumpu Oyj
Inventors:
Antonio Valente, Tero Taulavuori, Jukka Säynäjäkangas, Antero Kyröläinen