Post-mold cooling method and apparatus
US6461556B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2000 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Mar 21, 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 innovative cooling pin for cooling molded articles, a system which incorporates same, and a method for cooling a molded article which utilizes the cooling pin. The cooling pin of the present invention has a central pin structure with a head portion, a cooling fluid channel within the central pin structure terminating in an outlet in the head portion, and a plurality of fins positioned along the length of the central pin structure. Adjacent ones of the fins are preferably separated by a spacer. Each of the fins is preferably formed from a flexible material such as a flexible plastic material. The fins force and maintain cooling fluid introduced into the interior of the molded article in close proximity to the interior surfaces of the molded article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.