Universal dispensing system for air assisted extrusion of liquid filaments
US7559487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Mar 19, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C5/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A system for dispensing liquid material with different configurations of air assisted fiberization or filament movement (e.g., meltblowing, controlled fiberization). In particular, front access for mounting a selected nozzle only requires adjustment of one lever and one fastener. Features of the lever and nozzle allow assisted ejection of the nozzle, even when the nozzle has become adhered to a die body through use. In addition, a nozzle mounting surface of the die body provides a universal interface to the various types of nozzles. An air cavity in the die body and air troughs in selected types of nozzles balance and adjust air flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.