Self-cleaning nozzle for applying adhesive to a moving web
US9050617B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Nov 3, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/555
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A nozzle for applying a liquid adhesive to a web moving continuously in a travel direction has a body having a passage forming an outlet opening generally transversely to the direction immediately adjacent the moving web at a face of the body so that the liquid adhesive flows through the passage and out the outlet end onto the moving web. Structure on the face of the body forms immediately upstream of the outlet a porous region. Air is fed through the structure and out of the face to form between the region and the web an air cushion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.