Method of making retroreflective sheeting and slot die apparatus
US7364421B2 · kind B2 · utility
3Cited by
29References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2005 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Dec 23, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0091
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.