公开(公告)号：US20210000248A1

公开(公告)日：2021-01-07

申请号：US16980276

申请日：2019-03-08

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： James L. Erickson ,  Samad Javid ,  Lijun Zu

IPC: A46B3/00 ,  A47L13/16 ,  A46B13/00 ,  A47L11/40 ,  A46B7/04

Abstract: A brush assembly comprising a cushion pad and a plurality of brushes secured to the cushion pad. The cushion pad has a 25% compressibility within the range of 6.9 kPa (1 psi) to 2413 kPa (350 psi). At least one of the plurality of brushes comprises: a brush base, and bristles, the bristles comprising moldable polymeric material and abrasive particle additives.