Method for producing corrugated board products having an oblique flute profile
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 2019
Grant Date -
Sep 7, 2017
app pub date -
May 23, 2017
filing date -
Jul 5, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method and an apparatus for the production of a corrugated cardboard product. The apparatus comprises a first single facer and a second single facer which are provided in each case with a press-down belt and with a first and a second grooving roller respectively. The first and the second grooving roller are designed for embossing a wave profile onto a first and a second paper web respectively. The press-down belts, together with the respective grooving rollers, for connecting the first and the second paper webs in each case to a non-corrugated web for the production of a first and a second single-flute corrugated cardboard web respectively. The first single facer is equipped with a first oblique guide roller, the axis of rotation of which is inclined at a vertical inclination angle between side margins of the first paper web.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2017 Application Filing Year
- B31F Class
- 116 Applications Filed
- 92 Patents Issued To-Date
- 79.32 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B31F Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 5, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 5, 2031 |
