Core for use in injection molding plastic articles
US6547553B2 · kind B2 · utility
13Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2001 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | May 31, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A plastic article is formed in an injection mold by injecting molten plastic into the injection mold at an elevated temperature, cooling the plastic from the molten condition to a solid condition, and crystallizing a portion of the plastic by slowing down the cooling of said portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.