US 11,754,457 B2
Breathable waterproof sheet
In-Yong Seo, Seoul (KR)
Assigned to AMOGREENTECH CO., LTD., Gimpo-si (KR)
Filed by AMOGREENTECH CO., LTD., Gimpo-si (KR)
Filed on Feb. 19, 2021, as Appl. No. 17/179,553.
Application 17/179,553 is a continuation of application No. 16/314,834, granted, now 10,962,435, previously published as PCT/KR2017/006982, filed on Jun. 30, 2017.
Claims priority of application No. 10-2016-0086632 (KR), filed on Jul. 8, 2016.
Prior Publication US 2021/0255051 A1, Aug. 19, 2021
Int. Cl. G01L 19/14 (2006.01); B32B 3/26 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); H04M 1/03 (2006.01); H04R 1/44 (2006.01); H04R 1/02 (2006.01); H04M 1/18 (2006.01); H04R 1/08 (2006.01)
CPC G01L 19/145 (2013.01) [B32B 3/26 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); H04M 1/03 (2013.01); H04M 1/18 (2013.01); H04R 1/02 (2013.01); H04R 1/08 (2013.01); H04R 1/44 (2013.01); B32B 2307/724 (2013.01); B32B 2307/7265 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A breathable waterproof sheet, comprising:
a waterproof air-permeable layer formed of a film;
a support layer having a plurality of air-permeable holes formed therethrough and disposed above the waterproof air-permeable layer; and
an adhesive layer interposed between the waterproof air-permeable layer and the support layer to be adhered to the support layer,
wherein the plurality of air-permeable holes are formed in an area that is not adhered with the adhesive layer, and
wherein a portion of the support layer in the area that is not adhered with the adhesive layer is spaced apart from the waterproof air-permeable layer to form a spacing space between the waterproof air-permeable layer and the portion of the support layer.