Toothbrush with injection-moulded bristles and method and apparatus for producing the same
US10835025B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Feb 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C17/222
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush having a brush body and a bristle carrier that is produced from a hard material using an injection molding method and having injection-molded bristles that protrude from the bristle carrier. The injection molded bristles are produced from a bristle material using the injection molding method. The bristles have a bristle stem and the bristle carrier has a small carrier plate or is formed by the small carrier plate that is produced from a hard material using the injection molding method and fastened on the brush body. The hard material of the bristle carrier or the hard material of the small carrier plate is harder than the bristle material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.