Sound-absorbing piece and preparation method thereof

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United States of America Patent

PATENT NO 11437007
APP PUB NO 20190035375A1
SERIAL NO

16073632

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Abstract

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The present invention discloses a sound-absorbing piece and a preparation method thereof. The preparation method of the sound-absorbing piece comprises: preparing perforated sound-absorbing cotton matched with a preset cavity in shape; mixing sound-absorbing material powder with a solvent and a template agent to prepare a sound-absorbing slurry; impregnating the perforated sound-absorbing cotton with the sound-absorbing slurry for a preset period; and drying the perforated sound-absorbing cotton impregnated with the sound-absorbing slurry to remove a liquid in the perforated sound-absorbing cotton.

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Patent Owner(s)

Patent OwnerAddress
GOERTEK INC261031 NO 268 DONGFANG ROAD HI TECH INDUSTRIAL DEVELOPMENT ZONE SHANDONG WEIFANG WEIFANG CITY SHANDONG PROVINCE 261031

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Xiaodong Weifang, CN 55 817

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