Acoustic article
Assignee3M Innovative Properties Company
InventorsKeisuke Sawamoto, Daigo Yasuda, Hideyuki Okada, Tadahiro Takashina
Life of this patent
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Assignee3M Innovative Properties Company
InventorsKeisuke Sawamoto, Daigo Yasuda, Hideyuki Okada, Tadahiro Takashina
Estimating the term…
Object Provided are acoustic article s that take into account the frequency dependence of acoustic performance due to high bulk density and laminated structure. Solution Means The acoustic article s include a first member 2 in sheet form made of a porous material, a first skin member 4 provided on a first primary surface of the first member on one side in the thickness direction, a second member 3 in sheet form made of a porous material. and a second skin member 6 provided on a second primary surface of the second member 3 on the other side in the thickness direction. The first member and the second member are laminated, with the first member and the second member secured to each other at least partially in the planar direction.
An acoustic article comprising:
A method for manufacturing an acoustic article comprising:
Dependencies are inferred from the claim text.