公开(公告)号：US20240417209A1

公开(公告)日：2024-12-19

申请号：US18703585

申请日：2022-10-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： ELIZABETH A. CRAWLEY ,  Garth V. Antila ,  Andy J. Murphy

IPC: B65H75/10 ,  B65H75/26 ,  B65H75/50

Abstract: A winding core covering (10) comprising a backing (45), the backing (45) having an adhesive layer (40) and a support layer (30) in contact with the adhesive layer (40), and a web contact layer (20) in contact with the backing (45), the web contact layer (20) including a thermoplastic polymer, where the outer surface (27) of the web contact layer (20) has a structured surface comprising a plurality of protrusions (25) having an average height (H) of 50 μm to 600 μm. A winding core (41) including the disclosed winding core covering (10).