Method for impregnation of wood component with solid paraffin wax, apparatus therefor and wood component so impregnated
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United States of America Patent
Stats
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Feb 23, 2021
Grant Date -
Aug 31, 2017
app pub date -
May 15, 2017
filing date -
May 9, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A method for treating a piece of wood impregnates the piece of wood with a water repellent, wherein the water repellent is solid at ambient temperatures. The method includes the steps of providing a piece of wood to be treated; heating the piece of wood for a predetermined period of time, the piece of wood being heated at a temperature A; subsequently immersing at least a portion of the piece of wood in a bath of liquefied water repellent, the bath being at a temperature B, for a predetermined period of time. Thereafter the piece of wood is removed from the bath and allowed to cool. The temperature A is above 100° C. and the temperature B is below 100° C. but above a liquefying point for the water repellent, and a differential between temperatures A and B is at least 60° C.
First Claim
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Family
International Classification(s)
- 2017 Application Filing Year
- B05C Class
- 597 Applications Filed
- 423 Patents Issued To-Date
- 70.86 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B05C Class
- 0 % this patent is cited more than
- 4 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 | Aug 23, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 23, 2032 |
