Toothbrush comprising elastomeric cleaning elements over-molded with a harder plastic and method for producing the same
US9635928B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 23, 2013 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Aug 23, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush is disclosed. The toothbrush includes a brush head including one or more cleaning elements; a handle; and a neck connecting the brush head and the handle. The one or more cleaning elements include at least one or more elastomeric cleaning elements having a first plastic material and one or more bristle tuft cleaning elements. The at least one or more cleaning elements are embedded into a second plastic material by over-molding. The Shore hardness of the second plastic material is greater than the Shore hardness of the first plastic material and the brush head is formed from the second plastic material during over-molding of the one or more cleaning elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.