Foaming method and device
US7132023B2 · kind B2 · utility
3Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2003 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Sep 10, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method and a device for foaming glue for the production of wood-based sheets. Gluing substance and gas are fed (1,2) into the foaming device through nozzles (3,4), which are directed to mix the gluing substance and gas to be fed to form an essentially homogenous mixture prior to foaming. After this the gluing substance is foamed mechanically in the foaming chamber (5) with the aid of gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.