Co-layer preform having an infrared energy absorbing material added to the inner layer to effect preferential heating
US6602568B2 · kind B2 · utility
14Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2001 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Jun 1, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A co-layer stretch blow molding preform comprises an outer plastic preform and an inner plastic preform, wherein the inner plastic preform includes an infrared energy absorbing material which is absent from the outer plastic preform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.