E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/82 (2006.01) E04B 1/86 (2006.01) E04F 15/20 (2006.01) E04B 1/84 (2006.01)
Patent
CA 2133821
An integral structural element having improved sound and/or vibration dampening capacity and being composed of two support plates (1, 2) having therebetween spaced layers (3) of a viscoelastic material formed by a liquid synthetic elastomeric ma- terial having good adhesive properties and having a temperature resistance high enough to stand the temperature rise occuring due to the internal friction of the material while subjected to vibrations. The viscoelastic material between said two support plates (1, 2) is formed as strings of elastomeric material which are spaced from each other by a distance of 50-500 mm leaving an air space between the two support plates (1, 2) in the areas between adjacent strings of viscoelastic material (3). Each string (3) of dampening material has a material thickness of 1-5 mm, and a width of 10-50 mm. The structural element may, at the surface thereof to be mounted on a structural base, carry a mat of a natural or synthetic felt fibre material, having a product weight of 300-1200 g/m2 and having a thickness of 3-10 mm.
Munir Hussain
Ecomax Acoustics Ltd.
Ridout & Maybee Llp
LandOfFree
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