US1890220A - Liquid composition for preserving materials, particularly timber - Google Patents

Liquid composition for preserving materials, particularly timber Download PDF

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Publication number
US1890220A
US1890220A US452816A US45281630A US1890220A US 1890220 A US1890220 A US 1890220A US 452816 A US452816 A US 452816A US 45281630 A US45281630 A US 45281630A US 1890220 A US1890220 A US 1890220A
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US
United States
Prior art keywords
liquid composition
bitumen
naphthalene
preserving materials
asphalt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US452816A
Inventor
Hill Frederick Arthur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
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Publication of US1890220A publication Critical patent/US1890220A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B27K3/50—Mixtures of different organic impregnating agents
    • 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
    • B27K3/02—Processes; Apparatus
    • B27K3/0242—Processes; Apparatus using melt impregnation
    • 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
    • B27K3/38—Aromatic compounds
    • 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
    • B27K3/44—Tar; Mineral oil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/907—Resistant against plant or animal attack
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24545—Containing metal or metal compound
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31815—Of bituminous or tarry residue

Definitions

  • This invention comprises improvements in or relating to liquid compositions for preserving materials particularly timber.
  • Oreosote is used in large quantities for preserving railway sleepers and other timher, and one object of the present invention is to provide a substitute for creosote which shall be less expensive but nevertheless substantially as effective as regards its preserva tive properties.
  • composition provided according to this invention comprises a mixture of crude oil, bituminous material, and a small tiroportion of naphthalene or other preservative adapted to prevent insect attack.
  • the basis of the composition is fuel oil (otherwise known as Diesel oil) that is to say, the petroleum product from which the lighter constituents such as naphtha and the greater part of the illuminating oils and kerosenes have been separated.
  • fuel oil otherwise known as Diesel oil
  • Diesel oil the petroleum product from which the lighter constituents such as naphtha and the greater part of the illuminating oils and kerosenes have been separated.
  • bituminous material is used to include natural and artificial asphalt, tar, pitch and the like and also mixtures of these substances.
  • bitumen of the type artificially prepared from petroleum, such as Mexican asphalt is employed.
  • the composition was prepared in the following way.
  • Mexican asphalt was first liquefied by heat and there was then mixed with the molten asphalt a proportion of liquid naphthalene prepared by melting crystals.
  • the molten mixture of bitumen and naphthalene was then added to a main body of fuel oil and thoroughly incorporated therewith by agitation in a mixer.
  • the resulting composition contained 85% fuel oil, 10% asphalt and 5% naphthalene.
  • bitumen may be varied within comparatively wide limits without departing from the scope of the invention.
  • One function of the bitumen is to act as a pore-fillingmaterial, and the proportion of bitumen in the composition will naturally vary with the nature of the timber to be treated. For example with a soft wood it may be desirable to have a comparatively high proportion of bitumen in the composi- Application filed May 15, 1930, Serial No. 452,816, and in Great Britain March 14, 1930.
  • Some crude oils have as a natural constituent a substantial bitumen content. When such oils are employed in the present invention, it might not be necessary to add a further proportion of bitumen, and in any case the proportion of added bitumen would be less than the case where fuel oil is used.
  • One advantage of this invention is that,
  • a process for the manufacture of a liquid composition for preserving timber which consists in preparing a molten mixture of asphalt and naphthalene in the proportions of about 2 parts asphalt to 1 part of naphthalene, and thoroughly incorporating this mixture with a main body of fuel oil in proportions of about 15 parts asphalt-naphthalene mixture to 85 parts fuel oil.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

Patented Dec. 6, 1932 UNITED STATES PATENT OFFICE FREDERICK ARTHUR HILL, OF EALING, LONDON, ENGLAND No Drawing.
This invention comprises improvements in or relating to liquid compositions for preserving materials particularly timber.
Oreosote is used in large quantities for preserving railway sleepers and other timher, and one object of the present invention is to provide a substitute for creosote which shall be less expensive but nevertheless substantially as effective as regards its preserva tive properties.
The composition provided according to this invention comprises a mixture of crude oil, bituminous material, and a small tiroportion of naphthalene or other preservative adapted to prevent insect attack.
Preferably the basis of the composition is fuel oil (otherwise known as Diesel oil) that is to say, the petroleum product from which the lighter constituents such as naphtha and the greater part of the illuminating oils and kerosenes have been separated.
The term bituminous material is used to include natural and artificial asphalt, tar, pitch and the like and also mixtures of these substances. Preferably in carrying; out the invention bitumen of the type artificially prepared from petroleum, such as Mexican asphalt, is employed.
In one example according to the invention the composition was prepared in the following way. Mexican asphalt was first liquefied by heat and there was then mixed with the molten asphalt a proportion of liquid naphthalene prepared by melting crystals. The molten mixture of bitumen and naphthalene was then added to a main body of fuel oil and thoroughly incorporated therewith by agitation in a mixer. The resulting composition contained 85% fuel oil, 10% asphalt and 5% naphthalene.
The proportions given above may be varied within comparatively wide limits without departing from the scope of the invention. One function of the bitumen is to act as a pore-fillingmaterial, and the proportion of bitumen in the composition will naturally vary with the nature of the timber to be treated. For example with a soft wood it may be desirable to have a comparatively high proportion of bitumen in the composi- Application filed May 15, 1930, Serial No. 452,816, and in Great Britain March 14, 1930.
accompany any increase in the proportion of bitumen with a corresponding increase in the proportion of the naphthalene.
Some crude oils have as a natural constituent a substantial bitumen content. When such oils are employed in the present invention, it might not be necessary to add a further proportion of bitumen, and in any case the proportion of added bitumen would be less than the case where fuel oil is used.
One advantage of this invention is that,
on account of the part played by the'bitumen, the cheaper and softer woods, which have hitherto been found unsatisfactory for the manufacture of railway sleepers, may now be used for that purpose.
I claim:
A process for the manufacture of a liquid composition for preserving timber which consists in preparing a molten mixture of asphalt and naphthalene in the proportions of about 2 parts asphalt to 1 part of naphthalene, and thoroughly incorporating this mixture with a main body of fuel oil in proportions of about 15 parts asphalt-naphthalene mixture to 85 parts fuel oil.
In testimony whereof I affix my signature.
FREDERICK ARTHUR HILL.
QTI
US452816A 1930-03-14 1930-05-15 Liquid composition for preserving materials, particularly timber Expired - Lifetime US1890220A (en)

Applications Claiming Priority (1)

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GB1890220X 1930-03-14

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774676A (en) * 1951-12-31 1956-12-18 Meyer Karl Aqueous bitumen dispersions and a process of making them
US3515526A (en) * 1966-11-28 1970-06-02 Sun Oil Co Liquid smudge fuel compositions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774676A (en) * 1951-12-31 1956-12-18 Meyer Karl Aqueous bitumen dispersions and a process of making them
US3515526A (en) * 1966-11-28 1970-06-02 Sun Oil Co Liquid smudge fuel compositions

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