Meltblown die having a reduced size
US6972104B2 · kind B2 · utility
4Cited by
71References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/017
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a meltblown die which has a considerable smaller width in the machine direction of the meltblowing process compared to conventional and commercially used meltblown dies. The meltblown die of the present invention has a. a die body; b. a die tip mounted to the die body; c. a first air plate mounted to the die body; and d. a second air plate mounted to the die body. In addition, the small size of the meltblown die of the present invention provides advantages over conventional meltblown die, including improved air entrainment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.