Co-layer preform having an infrared energy absorbing material added to the inner layer to effect preferential heating
US6261656A · kind A · utility
24Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1999 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Mar 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.