公开(公告)号：US11459752B2

公开(公告)日：2022-10-04

申请号：US16447621

申请日：2019-06-20

申请人： ARMSTRONG WORLD INDUSTRIES, INC.

发明人： Peter J Oleske ,  Robert C. Garman ,  Jacob D. Peterson ,  Stephen G. Mearig

IPC分类号： E04B9/00 ,  E04B1/86 ,  E04B1/84

摘要： Described herein is an acoustic ceiling panel comprising: a first air-permeable body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the first body having an NRC value of at least 0.5 as measured between the first and second major surfaces of the first body; and an attenuation coating applied to the second major surface of the body and the side surface of the body, whereby the attenuation coating seals at least a portion of the second major surface and the side surface of the body.

公开(公告)号：US11808037B2

公开(公告)日：2023-11-07

申请号：US17899268

申请日：2022-08-30

申请人： ARMSTRONG WORLD INDUSTRIES, INC.

发明人： Peter J Oleske ,  Robert C. Garman ,  Jacob D. Peterson ,  Stephen G. Mearig

IPC分类号： E04B9/00 ,  E04B1/86 ,  E04B1/84

CPC分类号： E04B9/001 ,  E04B1/86 ,  E04B2001/8461

摘要： Described herein is an acoustic ceiling panel comprising: a first air-permeable body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the first body having an NRC value of at least 0.5 as measured between the first and second major surfaces of the first body; and an attenuation coating applied to the second major surface of the body and the side surface of the body, whereby the attenuation coating seals at least a portion of the second major surface and the side surface of the body.