High speed, no stringing, hot melt adhesive dispensing head
US6105832A · kind A · utility
10Cited by
5References
6Claims
0Family size
Inventor
Key dates
| Filing date | May 7, 1999 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | May 7, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C11/1039
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
It is therefore an object of the present invention to provide a valve assembly of the general class aforedescribed having the capability of drawing-back the flow of product from the nozzle after valve closing, in a more accurate and precise manner, requiring few moving parts, without the need of external sources for moving any of the parts, and in a manner which automatically closes the discharge and thereafter creates the suck-back flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.