Apparatus for applying glue to regions of paper or plastic webs or paper or plastic web-sections and a method for producing the same
US8904953B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 2011 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Aug 14, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1798
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for applying glue to regions of paper or plastic webs or paper or plastic web-sections for the production of paper sacks includes a nozzle unit having a plurality of glue outlet openings and glue supply lines and a plurality of glue valves via which the glue supply lines can be provided selectively with glue. Each glue valve includes at least one tappet having a sealing head and at least one counter element, with which the sealing head can make sealing contact. The apparatus includes a glue chamber via which glue can be provided. The counter element is disposed in, or in close vicinity to, the glue chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.