Title:
WATERPROOF SOUND-TRANSMITTING SHEET FOR FACILITATING VISION INSPECTION
Document Type and Number:
WIPO Patent Application WO/2020/106094
Kind Code:
A1
Abstract:
Proposed is a waterproof sound-transmitting sheet for facilitating vision inspection, which facilitates vision inspection by forming a waterproof layer having an achromatic color by radiating a polymer material and a pigment in a blended state, wherein the waterproof sound-transmitting sheet is made to be thin and light and has improved water repellency. The proposed waterproof sound-transmitting sheet for facilitating vision inspection comprises an acoustic layer interposed between an upper waterproof layer and a lower waterproof layer, wherein at least one of the upper waterproof layer and the lower waterproof layer is composed of a colored porous membrane.
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Inventors:
SEO INYONG (KR)
Application Number:
PCT/KR2019/016111
Publication Date:
May 28, 2020
Filing Date:
November 22, 2019
Export Citation:
Assignee:
AMOGREENTECH CO LTD (KR)
International Classes:
B32B5/26; B32B5/08
Foreign References:
| KR20130129104A | 2013-11-27 | |||
| KR101721993B1 | 2017-03-31 | |||
| KR20140075629A | 2014-06-19 | |||
| KR20140075632A | 2014-06-19 | |||
| KR20110063492A | 2011-06-10 |
Attorney, Agent or Firm:
KIM, Churchill (KR)
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