Title:
WATERPROOF SOUND-TRANSMITTING SHEET
Document Type and Number:
WIPO Patent Application WO/2017/196101
Kind Code:
A2
Abstract:
Disclosed is a waterproof sound-transmitting sheet comprising a waterproof layer made of a nonporous material and a support layer made of a porous material, thereby maintaining waterproof performance and sound-transmitting performance at a hydraulic pressure of approximately 10 atm. The disclosed waterproof sound-transmitting sheet comprises: a waterproof layer formed in a film shape and made of a nonporous material; a first adhesive layer of which one surface is bonded to one surface of the waterproof layer; and a support layer formed in a film shape and made of a porous material, and of which one surface is bonded to the other surface of the adhesive layer, wherein the support layer can be made of metal mesh or nonwoven fabric.
Inventors:
SHIN KANG-SIK (KR)
SEO IN-YONG (KR)
YOO BA-WOOL (KR)
SEO IN-YONG (KR)
YOO BA-WOOL (KR)
Application Number:
PCT/KR2017/004886
Publication Date:
November 16, 2017
Filing Date:
May 11, 2017
Export Citation:
Assignee:
AMOGREENTECH CO LTD (KR)
International Classes:
B32B5/18; B32B5/24; B32B7/02; B32B7/12; B32B27/12; D04H1/728
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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