Blow molded article with visual effects
US10994886B2 · kind B2 · utility
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20References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 12, 2018 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Oct 9, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blow molded article obtained by blow molding of a preform made via parallel flow coinjection, having a wall formed by 3 layers in at least a region wherein the outside layer is transparent and the inner layer comprises an effect pigment visible through the transparent layer. Articles according to the invention have an improved gloss, low haze and higher resistance to delamination than previous articles. The invention relates also to preforms for making articles as described and to methods for making preforms and articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.