US1382103A - Process of treating wood - Google Patents

Process of treating wood Download PDF

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Publication number
US1382103A
US1382103A US335470A US33547019A US1382103A US 1382103 A US1382103 A US 1382103A US 335470 A US335470 A US 335470A US 33547019 A US33547019 A US 33547019A US 1382103 A US1382103 A US 1382103A
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US
United States
Prior art keywords
wood
substance
moisture
treating wood
treating
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Expired - Lifetime
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US335470A
Inventor
Leonidas N Lyon
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Individual
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Individual
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Priority to US335470A priority Critical patent/US1382103A/en
Application granted granted Critical
Publication of US1382103A publication Critical patent/US1382103A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/005—Drying solid materials or objects by processes not involving the application of heat by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/34—Organic impregnating agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/16—Wood, e.g. lumber, timber

Definitions

  • wood is intended to cover the substances usually designated 'as timber, lumber, poles, post's, etc.
  • the process relates primaril to the drying and preservation of the wood? but it contemplates, also, the treating of the wood with an'insecticide of some kind.
  • one object of this invention is to provide a novel process whereby when the moisture' has been driven out of the wood, the moisture will not be absorbed again by the wood.
  • Carryin out the process contemplates a container lled with a substance the precise composition of which may be varied, asoccasion may demand.
  • the substance may be a wax, such as mineral parafiin or,itmay' be tar, pitch or asphaltum. It may be an oil such as creosote oil, castor oil, or a combination of oils, a combination of waxes, a wax and one or more oils, or an oil and one or Specification of Letters Patent. Patented Jun 21 1921 Application filed November 3, 1919. Serial No. 385,470.
  • the substance has a specific gravity greater than that of steam, the flaming point of said substance belng above the vaporizing point of water.
  • Heat is applied to the container until the substance therein is brought to a higher temperature than the boiling point of water
  • the heated substance in the container serves as an efl'ective seal or barrier. resins in the wood will be heated and diffused through the wood, the result being that the wood will be preserved.
  • the wood When the wood is removed from the container, the wood retains for a period of'time, a telniperature approximately that of the heate substance from which the wood has been withdrawn. As a consequence, much of the heated substance will drain off the wood. If it is desired to retain .a given amount of the material in or on the wood,
  • the wood may be boiled in 'an insecticide, the flaming point of which is above the boiling point of water: or, if desired, an insecticide may be mixed with a wax orwaxes, an

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

UNITED STATES 'ATENT. OFFICE.
LEONIDAS N. LYON, OF SAN ANTONIO, TEXAS.
rnocnss or TREATING WOOD.
I o Drawing.
To-all whom it may concern: 1
Be it known that I, LEONIDAS N. LYON, a citizen of the United States, residing at San Antonio, in' the county of Bexar and State of Texas, have invented a new and useful Process of Treating Wood, of which the following is a specification.
It is the object of this invention to provide a novel method for treating wood. The word wood is intended to cover the substances usually designated 'as timber, lumber, poles, post's, etc.
As to the treating, the process relates primaril to the drying and preservation of the wood? but it contemplates, also, the treating of the wood with an'insecticide of some kind.
By way of explanation it may be stated that under the present practice, wherein wood is dried in a kiln, the moisture in the wood is converted into steamby the application of heat up to a certain point, beyond which it is unsafe to heat the wood lest conflagration occur. The steam thus produced collects to a greater or less de ee within the kiln chamber, and condens tion takes place, the moisture being again absorbed by the wood, to be reexpelled by the application of heat. It is obvious that a procedure of the kind mentioned is time-consuming. The foregoing being understood, it may be stated that one object of this invention is to provide a novel process whereby when the moisture' has been driven out of the wood, the moisture will not be absorbed again by the wood.
In known processes, the wood is dried in kilns, and the wood comes from the kiln with its pores open and ready to take in more moisture whenever the occasion presents itself. The processes hereinafter-described aim to overcome this dlfficulty.
. Carryin out the process contemplates a container lled with a substance the precise composition of which may be varied, asoccasion may demand. The substance may be a wax, such as mineral parafiin or,itmay' be tar, pitch or asphaltum. It may be an oil such as creosote oil, castor oil, or a combination of oils, a combination of waxes, a wax and one or more oils, or an oil and one or Specification of Letters Patent. Patented Jun 21 1921 Application filed November 3, 1919. Serial No. 385,470.
more waxes. In any event, the substance has a specific gravity greater than that of steam, the flaming point of said substance belng above the vaporizing point of water.
Heat is applied to the container until the substance therein is brought to a higher temperature than the boiling point of water,
densation cannot be reabsorbed by the wood,
for the reason that the heated substance in the container serves as an efl'ective seal or barrier. resins in the wood will be heated and diffused through the wood, the result being that the wood will be preserved.
When the wood is removed from the container, the wood retains for a period of'time, a telniperature approximately that of the heate substance from which the wood has been withdrawn. As a consequence, much of the heated substance will drain off the wood. If it is desired to retain .a given amount of the material in or on the wood,
Further, some of the oils and this result can be secured by quickening the I cooling of the wood in any suitable way.
It may be desirable to apply an insecticide to the wood and when this result is desired, the wood may be boiled in 'an insecticide, the flaming point of which is above the boiling point of water: or, if desired, an insecticide may be mixed with a wax orwaxes, an
oil or oils, or a combination -of those sub-v the below the flaming point of the medium; im-- mersing the wood, in a natural state, in the medium, maintaining the Wood immersed my own, I have hereto aflixed my signature until the moisture in the Wood converted in the presence of tWo Witnesses. into steam and rises throng t 6 medium, and Withdrawing the Wood from the me- LEONIDAS LYON 5 dium leaving the Wood sealed by the medium Witnesses:
to prevent 'a reabsorption of moisture. -GEo. M. CLIFTON,
In testimony that I claim the foregoing as J. MITCHELL DAVIS.
US335470A 1919-11-03 1919-11-03 Process of treating wood Expired - Lifetime US1382103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US335470A US1382103A (en) 1919-11-03 1919-11-03 Process of treating wood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US335470A US1382103A (en) 1919-11-03 1919-11-03 Process of treating wood

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928677A (en) * 1972-12-08 1975-12-23 Firewood Inc Process of treating wood
US4026847A (en) * 1975-05-13 1977-05-31 Universidad Tecnia Federico Santa Maria Method of partially converting wood into a lignin plastic polymer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928677A (en) * 1972-12-08 1975-12-23 Firewood Inc Process of treating wood
US4026847A (en) * 1975-05-13 1977-05-31 Universidad Tecnia Federico Santa Maria Method of partially converting wood into a lignin plastic polymer

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