Method of determining warp status for corrugated board
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United States of America Patent
Stats
-
Sep 7, 2021
Grant Date -
Dec 6, 2018
app pub date -
Feb 23, 2016
filing date -
Dec 4, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A warp determination device for a corrugated cardboard sheet manufacturing device is provided with: displacement value measurement method for measuring displacement values of a plurality of corrugated cardboard sheet pieces on the downstream side of a slitter scorer and on the upstream side of a sheet stacking unit; and warp status determination means for dividing a measurement range of the displacement value measurement method according to a width dimension of the plurality of corrugated cardboard sheet pieces, allocating the divided measurement ranges to each of the plurality of corrugated cardboard sheet pieces, and determining a warped status of the corrugated cardboard sheet pieces for each of the plurality of corrugated cardboard sheet pieces on the basis of measurement values from the displacement value measurement method in the allocated measurement ranges.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- B31F Class
- 111 Applications Filed
- 77 Patents Issued To-Date
- 69.37 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B31F Class
- 0 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 7, 2025 |
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| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 7, 2033 |
