Multi-component bristle having components with different oral care additives, and oral care implement comprising the same
US10299580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2013 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Feb 1, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An oral care implement (100) including at least multi-component bristle. The oral care implement (100) comprises a handle (120); a head (110) coupled to the handle (120); at least one bristle tuft extending from the head, the at least one bristle tuft comprises at least one multi-component bristle (200) comprising coextruded core (210) and sheath components (220), the sheath component (220) surrounding a first portion (215) of the core component (210), and a second portion (216) of the core component (210) protruding from the sheath component (220) at a tip portion (230) of the multi-component bristle (200); the sheath component (220) comprises a first plastic and a first oral care additive; the core component (210) comprises a second plastic and a second oral care additive, wherein the first oral care additive is different than the second oral care additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.