A honeycomb panel includes multiple rows having parallel cells extending transversely of the rows and with the cells of adjacent rows of cells staggered longitudinally of the rows relative to each other. Panels with two, three, four and five cell rows are disclosed. The panels are formed by folded strips...http://www.google.es/patents/US6319586?utm_source=gb-gplus-sharePatente US6319586 - Honeycomb insulating panel
