Preform post-mold cooling method and apparatus
US6488878B1 · kind B1 · utility
12Cited by
31References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2000 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Feb 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/253
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an improved method and apparatus for injection molding and cooling molded articles such as preforms so as to avoid crystallinity. The apparatus and method make use of a take-off plate for removing articles from a mold, which plate may include heat transfer devices for cooling exterior surfaces of the molded articles or preforms, and a system for cooling in a controlled manner interior surfaces of the molded articles or preforms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.