Process of injection molding composite articles and toothbrush obtainable thereby
US7297303B2 · kind B2 · utility
44Cited by
1References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2001 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/425
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection moulding process for making a moulded article particularly a toothbrush consisting partly of a hard first plastics material by providing a first injection mould introducing a component into the cavity adjacent to the surface; injecting a plastics material into the cavity so that the plastic material is fixed to the component and the component forms part of the outer surface of the article. In a second moulding operation another material such as an elastomer may be injected. A toothbrush product made by this process is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.