Sound-and/or vibration-damping coating, element provided with sa

Details Sound-and/or vibration-damping coating, element provided with sa Sound-and/or vibration-damping coating, element provided with sa

1989-03-02

1991-07-23

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Mechanical vibration attenuator

181209, 181294, 83835, F16F 1500

Patent

active

050335790

ABSTRACT:
A sound- and/or vibration-damping coating, which comprises a layer of a relatively hard substance (2) having pores, interstices, cavities (3) and/or hollows (12) containing a material (4) which has a higher plasticity or elasticity than said substance (2), and an element provided with said coating. This coating may be applied on said element by applying to the surface of the latter a surface treatment ensuring the adhesion of the layer of relatively hard substance (2), by applying this layer to the so treated surface by projection of said substance in the at least molten state and as droplets, by using known per se techniques, and by entering said material (4) into cavities (3) formed between coagulated droplets of said substance (2).

REFERENCES:
patent: 2216728 (1940-10-01), Brenner et al.
patent: 3496973 (1970-02-01), Ballard
patent: 3895143 (1975-07-01), Tarlow
patent: 3982359 (1976-09-01), Elbel et al.
patent: 4010818 (1977-03-01), Westley
Patent Abstract of Japan, vol. 8, No. 9 (M-268) (1446), Jan. 14, 1984.
JP-A-58 171 262, 4/1982.

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