Die for producing meltblown multicomponent fibers and meltblown nonwoven fabrics
US7150616B2 · kind B2 · utility
6Cited by
49References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2003 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Dec 22, 2023 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D5/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A die tip adapted for extruding a plurality of meltblown multicomponent filaments that includes at least two series of conduits that extend and converge in to the interior of the die tip to convey a multicomponent thermoplastic structure in to the interior of the die tip to a series of capillaries that extend to a series of die opening for extruding multicomponent filaments is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.