SOUND-INSULATING ROLL MATERIAL Russian patent published in 2001 - IPC

Abstract RU 2170310 C1

FIELD: construction engineering. SUBSTANCE: sound-insulating and heat-insulating material used for noise suppression in residential construction and industrial buildings is made in the form of multilayer foam foil base structure. High-density plastic materials in the form of loose material, mainly of granules, sawdust, small balls, etc, and in the form of metal sheet made of lead or annealed copper are used for the purpose. EFFECT: reduced energy of acoustic vibrations due to improved sound- insulation of any desired level. 6 cl, 2 dwg

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RU 2 170 310 C1

Authors

Machnev V.Ju.

Stepanov V.B.

Shilov N.D.

Chudnovskij A.I.

Jusupov K.Kh.

Dates

2001-07-10—Published

2000-12-20—Filed