Die assembly for a meltblowing apparatus
US6336801B1 · kind B1 · utility
26Cited by
38References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1999 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Jun 21, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D4/025
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an apparatus, including a die, for forming meltblown material. The die may further include a die tip and a heating element positioned proximate to the die tip to maintain the polymer material extruded from the die tip in a molten state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.