Thin film
US-2024352668-A1 · Oct 24, 2024 · US
Waterproof sound-permitting sheet, method of manufacturing same, and electronic device provided with waterproof sound-permitting sheet
US10132004B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10132004-B2 |
| Application number | US-201414540308-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 13, 2014 |
| Priority date | May 18, 2012 |
| Publication date | Nov 20, 2018 |
| Grant date | Nov 20, 2018 |
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Abstract
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Provided is a waterproof sound-permitting sheet, including: a porous substrate having a plurality of pores; and a porous nanoweb, which is stacked on the porous substrate, has a plurality of pores, and is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby improving waterproofing performance and sound penetration performance by forming on a porous substrate, such as non-woven fabric, the porous web having the black or the different color by using the electrospinning method, and can shorten a production process by eliminating a pigment coating step by means of adding the pigment to the polymer material when manufacturing the porous nanoweb according to the electrospinning method.
First claim
Opening claim text (preview).
What is claimed is: 1. A waterproof sound-permitting sheet comprising: a porous substrate layer having a plurality of first pores; a porous nanoweb layer, which is stacked on a first surface of the porous substrate layer, has a plurality of second pores, and is formed by electrospinning a polymer material to which a color pigment is added, and the porous nanoweb layer is formed of accumulation of ultra-fine fiber strands having a diameter in a range of 0.3-1.5 urn by electrospin…
Assignees
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Classifications
- D01D5/0007Primary
Textiles & Paper · mapped topic
Electricity · mapped topic
- D01D5/0084Primary
Textiles & Paper · mapped topic
Textiles & Paper · mapped topic
- D04H1/728Primary
Textiles & Paper · mapped topic
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Frequently asked questions
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- What does patent US10132004B2 cover?
- Provided is a waterproof sound-permitting sheet, including: a porous substrate having a plurality of pores; and a porous nanoweb, which is stacked on the porous substrate, has a plurality of pores, and is formed by electrospinning a polymer material to which a black or a different color pigment is added, thereby improving waterproofing performance and sound penetration performance by forming on…
- Who is the assignee on this patent?
- Amogreentech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification D01D5/0007. Mapped technology areas include Textiles & Paper.
- When was this patent published?
- Publication date Tue Nov 20 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).