Method of making retroreflective sheeting and slot die apparatus
US7410604B2 · kind B2 · utility
29Cited by
29References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2003 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Dec 8, 2023 |
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.