Method for producing a steel tube including cleaning of the inner tube wall
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United States of America Patent
Stats
-
Dec 12, 2017
Issued Date -
N/A
app pub date -
Mar 11, 2014
filing date -
Mar 18, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for producing a steel tube including the step of the manufacturing a steel tube having an inner tube wall, an outer tube wall, and a free tube cross-section enclosed by the inner tube wall, wherein after the manufacturing, the steel tube includes at least one contaminant on the inner tube wall. After the manufacturing of the steel tube, the inner tube wall is cleaned by introducing liquid or solid CO2 into the free tube cross-section, and of applying the liquid or solid CO2 onto the inner tube wall to remove the contaminant therefrom.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B65H Class
- 28.75 % this patent is cited more than
- 8 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 | Jun 12, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 12, 2029 |
