公开(公告)号：US20200002941A1

公开(公告)日：2020-01-02

申请号：US16447621

申请日：2019-06-20

Applicant: ARMSTRONG WORLD INDUSTRIES, INC.

Inventor： Peter J. OLESKE ,  Robert C. GARMAN ,  Jacob D. PETERSON ,  Stephen G. MEARIG

IPC: E04B9/00 ,  E04B1/86

Abstract: 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：US20220412083A1

公开(公告)日：2022-12-29

申请号：US17899268

申请日：2022-08-30

Applicant: ARMSTRONG WORLD INDUSTRIES, INC.

Inventor： Peter J. OLESKE ,  Robert C. GARMAN ,  Jacob D. PETERSON ,  Stephen G. MEARIG

IPC: E04B9/00 ,  E04B1/86

Abstract: 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：US20210131101A1

公开(公告)日：2021-05-06

申请号：US17089247

申请日：2020-11-04

Applicant: ARMSTRONG WORLD INDUSTRIES, INC.

Inventor： Peter J. OLESKE ,  Stephen G. MEARIG

IPC: E04B9/00 ,  E04B9/04 ,  E04B9/24 ,  E04B9/34 ,  E04B9/18

Abstract: Described herein is a ceiling system comprising: a support grid; a first panel mounted to the support grid, the first panel comprising a first body formed of a fibrous material; a second panel mounted to the support grid, the second panel comprising a second body formed of a sound attenuation material; whereby the first and second panels are supported by the support grid such that a vertical gap exists between the first panel and the second panel such that the first and second panels are not in direct contact.