Device and method for the production of tubes or sections of tubes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 29, 2014
Grant Date -
Dec 8, 2011
app pub date -
Jun 2, 2011
filing date -
Jun 2, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for the production of tubes or sections of tubes having at least one paper layer, from which paper bags can be manufactured, includes an unwinder device for unrolling at least one material web from a material web roll, a device for the provision of at least one edge region of each material web with glue, and a tube forming device via which the edge region provided with glue can be inverted onto, and attached to, a second edge region. The tubes or sections of tube can be provided with air-permeable channels in the device. The device for providing at least one edge area of each material web with glue has glue application valves, with at least two glue application valves being functionally assigned to each material web, and with noncontinuous glue tracks being produced with the glue application valves such that interruptions therein form the air-permeable channels.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- B31C Class
- 24 Applications Filed
- 12 Patents Issued To-Date
- 50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B31C Class
- 0 % this patent is cited more than
- 11 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 29, 2026 |
