Patent ID: 8499887

Claim:
A wall element for a cabin, comprising: at least one sandwich element, at least one insulation package, and at least one microperforated absorber plane element that, on the outside, follows on from the insulation package; wherein the sandwich element comprises at least one core layer, a first cover layer and a second cover layer, with the first cover layer and the second cover layer each being arranged on one side of the core layer and wherein at least the first or the second cover layer is a microperforated layer; wherein the sandwich element is configured for sound absorption; and wherein the sandwich element is further configured to possess a shear rigidity configured to exhibit at least one coincidence boundary frequency determined by the shear rigidity, wherein at least one of the at least one coincidence boundary frequency is below 500 Hz; and wherein the shear rigidity of the sandwich element is sufficient for said sandwich element to be used as an interior lining.