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Patent Searching and Data


Title:
DIAPHRAGM DOME
Document Type and Number:
WIPO Patent Application WO/2021/128118
Kind Code:
A1
Abstract:
The present invention provides a diaphragm dome, comprising: a foaming material layer; a carbon fiber unidirectional belt layer at least provided in the direction of one side of the foaming material layer; and a reinforcing layer at least provided on one side of the carbon fiber unidirectional belt layer, wherein the material of the reinforcing layer is one of or a combination of multiple of felt materials or screen cloth materials. The strength of the carbon fiber unidirectional belt layer in each direction is improved, so that the carbon fiber unidirectional belt layer having strength in only one direction is not prone to break, the structural mechanical property of the dome is improved, and the dome is lighter, thinner, more attractive, not prone to layer, and not prone to break.

Inventors:
DI XUN (CN)
CHEN MINMIN (CN)
ZHAO BIN (CN)
Application Number:
PCT/CN2019/128542
Publication Date:
July 01, 2021
Filing Date:
December 26, 2019
Export Citation:
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Assignee:
AAC TECHNOLOGIES PTE LTD (SG)
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
International Classes:
H04R7/12; B32B5/26; H04R9/06
Foreign References:
CN208540152U2019-02-22
CN104703100A2015-06-10
CN109862482A2019-06-07
CN110944271A2020-03-31
CN109788404A2019-05-21
JPS6119298A1986-01-28
Attorney, Agent or Firm:
SHENZHEN HUASHENG ZHIHUI INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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