Method of manufacturing of brushes, in particular, tooth brushes
US5458400A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1994 |
| Grant date | Oct 17, 1995 |
| Priority date | — |
| Expiry date | Apr 6, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The method of manufacturing brushes, in particular, tooth brushes, includes injection molding of the brush body, together with the brush head having a plurality of openings for receiving bristle bundles and a recess defining a back surface of the brush head, inserting into the opening finished bristle bundles and fusing the ends of the bristle bundles projecting from the back surface of the brush head, and filling thereafter the brush head recess with a plastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.