公开(公告)号：US12220289B2

公开(公告)日：2025-02-11

申请号：US17470137

申请日：2021-09-09

Applicant: GC CORPORATION

Inventor： Masaru Nakamura ,  Kumiko Yokonuma ,  Youko Suda ,  Aki Sato

IPC: A61C15/04

Abstract: Provided is a dental floss that keeps cleaning performance thereof on one hand, and that is easy to handle because of a high rigid portion thereof on the other hand. Dental floss includes: a floss part that is formed by twisting a plurality of filaments together but not tying up the filaments; and tied-up parts that are provided continuously with the floss part, and are formed by tying up the plurality of the filaments, wherein each of the tied-up parts is formed in such a manner that filaments are covered with a contour part in a cross section thereof.