Nozzle unit
US7040555B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2003 |
| Grant date | May 9, 2006 |
| Priority date | — |
| Expiry date | Dec 31, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C44/461
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A nozzle unit for the spreading of foamed glue onto a flat surface in the production of wood-based sheets, wherein the nozzle unit has a feeder canal (1) for directing glue into the nozzle unit, a row of nozzles (5) for directing glue from the nozzle unit onto a flat surface and also a distribution canal network between the feeder canal and the nozzles for distributing glue evenly to the nozzles. According to the invention, the area of the distribution canal network has a compensation canal (9) closed to/from external, that forms a free flow channel between the branches of the distribution canal network leading to the nozzles (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.