Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 27, 2015
0Patent Application Number
140019810
Date Filed
December 15, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided is a waterproof sound-transmitting membrane 1 including: a solid resin film 2 having a plurality of through holes 21 formed therein; and a treatment layer 3 having water repellency and formed on at least one of two surfaces of the resin film 2 that are opposite to each other in the thickness direction. The treatment layer 3 has openings 31 at positions corresponding to the through holes 21. The air permeability of the waterproof sound-transmitting membrane 1 is 100 seconds/100 mL or less in terms of Gurley number.
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