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Reducing defects in kiln drying lumber

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专利汇可以提供Reducing defects in kiln drying lumber专利检索,专利查询,专利分析的服务。并且A method of pretreating lumber to be kiln-dried wherein the lumber is first immersed in a cold aqueous solution containing black walnut pellicle extract, rich in hydrolyzable tannins, until the wood has absorbed part of the extract by diffusion. The lumber is subsequently frozen prior to entering the kiln. The presoaking treatment, when combined with prefreezing, has a synergistic effect that reduces shrinkage and collapse of the lumber while also allowing an accelerated drying schedule in the kiln.,下面是Reducing defects in kiln drying lumber专利的具体信息内容。

  • 2. The method of claim 1 wherein said solution has a temperature of from 4* C. to 20* C.
  • 3. The method of claim 1 wherein said lumber is immesed for a period of 24 hours.
  • 4. In a method of treating lumber to reduce kiln-drying defects that includes freezing of the lumber prior to kiln-drying, the combination with said freezing of the following preliminary step: a. immersing the lumber in a cold aqueous solution containing black walnut pellicle extract until said lumber has absorbed a portion of said extract through diffusion.
  • 5. The method of claim 4 wherein said solution has a temperature of from 4* C. to 20* C.
  • 6. The method of claim 4 wherein said lumber is immersed for a period of 24 hours.
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