公开(公告)号：US12109793B2

公开(公告)日：2024-10-08

申请号：US16690519

申请日：2019-11-21

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Brian Kenneth Holland ,  Bruce L Morin ,  Michael Joseph Murphy ,  Steven H. Zysman

IPC: B32B38/10 ,  B24C1/04 ,  B32B3/12 ,  B32B3/26 ,  B32B5/02 ,  B32B37/14 ,  B32B37/18 ,  G10K11/168

CPC classification number: B32B38/10 ,  B24C1/045 ,  B32B3/12 ,  B32B3/266 ,  B32B5/02 ,  B32B37/146 ,  B32B37/18 ,  G10K11/168 ,  B32B2262/101 ,  B32B2262/106 ,  B32B2305/02 ,  B32B2315/00 ,  B32B2419/04

Abstract: A face skin for an acoustic panel may comprise a sheet defining a first surface and a second surface. A plurality of slots may be formed through the face skin using abrasive blasting. Each slot of the plurality of slots may comprise a first semi-circular wall and a second semi-circular wall opposite the first semi-circular wall.