Injection moulding process and apparatus for making articles from two components
US6464920B1 · kind B1 · utility
76Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 12, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Aug 12, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/463
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for making a molded article of two components e.g., plastic material and elastomer, in which internal cores are used to form a hollow toothbrush body, and elastomer is injected to form surface features. The toothbrush body can be made bulky in shape but light by virtue of being hollow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.