Wide casting belt, method for manufacturing a wide film, and wide film
US8784725B2 · kind B2 · utility
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1References
3Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 4, 2009 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a wide casting belt, and more particularly, to a wide casting belt used for manufacturing a film in a gel state by casting dope used during the manufacture of a polarizing plate for a liquid crystal display, and an optical compensation film, etc. The present invention also relates to a method for manufacturing a wide film using the wide casting belt, and to a wide film manufactured with said wide casting belt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.