Method and apparatus for generating and depositing adhesives and other thermoplastics in swirls
US5102484A · kind A · utility
40Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Jun 26, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/1209
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A nozzle assembly and method for delivering swirls of a thermoplastic melt to a substrate operate on the principle of contacting a thermoplastic spun filament with swirling air to impart a circular swirling expanding cone pattern to the filament. The swirling filament is deposited on a substrate or collector as circular beads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.