US1121643A - Preserved wood and method of making same. - Google Patents
Preserved wood and method of making same. Download PDFInfo
- Publication number
- US1121643A US1121643A US86812214A US1914868122A US1121643A US 1121643 A US1121643 A US 1121643A US 86812214 A US86812214 A US 86812214A US 1914868122 A US1914868122 A US 1914868122A US 1121643 A US1121643 A US 1121643A
- Authority
- US
- United States
- Prior art keywords
- wood
- bath
- ducts
- naphthalene
- pores
- 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
Links
- 239000002023 wood Substances 0.000 title description 72
- 238000004519 manufacturing process Methods 0.000 title description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 36
- 238000000034 method Methods 0.000 description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 239000011148 porous material Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 15
- 239000011343 solid material Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 12
- 239000004215 Carbon black (E152) Substances 0.000 description 10
- 239000005909 Kieselgur Substances 0.000 description 10
- 229930195733 hydrocarbon Natural products 0.000 description 10
- 150000002430 hydrocarbons Chemical class 0.000 description 10
- 125000003118 aryl group Chemical group 0.000 description 9
- 241000065695 Teredo Species 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000001066 destructive effect Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002198 insoluble material Substances 0.000 description 6
- HTSABAUNNZLCMN-UHFFFAOYSA-F paris green Chemical compound [Cu+2].[Cu+2].[Cu+2].[Cu+2].[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.CC([O-])=O.CC([O-])=O HTSABAUNNZLCMN-UHFFFAOYSA-F 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 241000233866 Fungi Species 0.000 description 4
- 230000000749 insecticidal effect Effects 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- -1 'gasolene Chemical class 0.000 description 1
- WHRZCXAVMTUTDD-UHFFFAOYSA-N 1h-furo[2,3-d]pyrimidin-2-one Chemical compound N1C(=O)N=C2OC=CC2=C1 WHRZCXAVMTUTDD-UHFFFAOYSA-N 0.000 description 1
- 241000206761 Bacillariophyta Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000006173 Larrea tridentata Nutrition 0.000 description 1
- 244000073231 Larrea tridentata Species 0.000 description 1
- 241000337552 Limnoria Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229960002126 creosote Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
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
- B27K3/38—Aromatic compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
-
- 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
Definitions
- ood is immersed in a bath contaming a mixture of parafiin and naphthalene and diatomaceous .earth,'to which other preservatives may or may not be added asdesired, while saigd bath is at a temperature somewhat above the boiling point of water, a temperature of near 240 F. being preferred. The temperature should not becarried very much above this point, since at higher temperatures the strength of the wood may be impaired.
- the air and moisture in the ducts of the wood are driven'out by the action of the naphthalene in the bath, and the melted mixture, carrying the'diatomaceous earth, rapidly enters and takes its place, and thoroughily encysts the pores and ducts of the woo 4
- the bath is preferably composed of the materials in the following proportions (by weight) although the invention is not limited thereto, parafiin, 100 parts, naphthalene,
- any variety of wood may be thoroughly permeated by sure process, using hot creosote, except very superficially, and moreover several kinds of wood maybe treated simultaneously in the same bath, and the wood may be in either a horizontal or vertical or inclined position.
- encysting mixture may be stood up on end, in a tank containing the encysting mixture, which latter will thoroughly permeate the wood of the length actually immersed, and. some distance-beyond, being carried up some distance, within the wood, above the surface of the bath. Bent samples of the various hard and. soft woods, both green and dry, have been treated, with only a part of the bent portion im mersed; the encysting mixture thoroughly impregnates the wood where immersed and is carried up considerable distance toward eachend.
- either green or seasoned wood may be treated, and the impregnation, when using greenwood is not only as complete as when using dry wood, but it takes place in a shorter time, and both green and dry wood may be treated together, in the same bath.
- the apparatus preferably used, in carrying out my process is-an open tank with heatingmeans, such as steam coils therein, and it isunnecessary to employ vacuum or pressure in-carrying out the process, which also effects a great saving in the process.
- dibles are, composed essentially of. carbonate of lime (av material much softer than the silica of which the diatoms are composed).
- the paraflin acts to prevent the entrance of moisture, fungi, spores, and acts as a pre ence to treated Woods.
- the action ofthe naphthalene is something. more than a preservative, as it acts to carry the paraflin and other material into the pores of the wood. This may be due tions stated above. of such a. bath-being also as stated above.
- naphthalene is somewhat volatile, and in starting to' vaporizeit; drives out the moisture, or. air in the Wood,
- the naphthalene cleans out the tissue ducts of the timber, to make it possible for the mixture.
- Wood when encysted according to my present process, will effectually resist. any form of wood destroying fungus, insect, Worm, or any form of decay.
- non-volatile materials which are insoluble in water, and which are capable of being melted, and which whenso melted will form thin'liquids of' a mobile nature, at the-temperatures mentionedfherein.
- Various equivalents for the diatomaceous earth, and for the Paris green may also be used.
- a process of preserving wood which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having a melting point. not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and a solid material in. a sufiiciently finely divided condition to be carried into. the pores and ducts of the Wood, said solid materialjbeing suificiently hard to prevent. the boring action ofthe teredo and similar destructive agents.
- A. process of preserving wood which comprises immersingsaid'wood in a bath containing paraflin; a somewhat volatile hydrocarbon of the aromatic series; and a condition to be carried intothepores and ducts of the wood, said solid material being solid material in a sufiiciently finely divided i,121,eae
- a process of, preserving wood which comprises immersing said wood in a bath containing a nonvolatile, water-insoluble material having a melting point not over 212 F.; naphthalene; and a solid material in a sufficiently finely divided condition to be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents.
- Aprocess of preserving wood which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and diatomaceous earth.
- a process of preserving wood which comprises immersing said wood ina bath containing a non-volatile, water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; anda solid material in a sufliciently finely divided condition to t be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents, and a solid insecticidal body.
- a process of preserving wood which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having-a melting-point'not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and a solid material in a sufficiently finely divided condition to be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents; and Paris gree 7. .A process of preserving wood, which comprL'es immersing said wood in a bath containing parafiin', naphthalene and diatomaceous earth.
- a process of preserving wood which. comprises immersing said wood 1n a bath a.
- somewhat volatile hydrocarbon comprises immersing said wood in a bath containing a non-volatile, water-insolublev material having a meltmg point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and a solid-material in a sufliciently finely divided condition to be carriedinto the pores and ducts of the wood, said solid material being sufliciently' hard to prevent the boring action of the teredo and similar destructive agents','said bath being maintained at a temperature between about 212" 1 and about 2-10 F.
- a process of preserving wood which comprises immersing said wood in a bath containing paraflin, naphthalene and dia tomaceous earth; said bath being maintained at a temperature somewhat above the boiling point of water.
- a process of preserving wood', wh1ch comprises immers ng sald wood 1n a bath containing paraiiln, naphthalene, maceous earth and Paris green; said bath being maintainedat' a temperature some-' what above the boiling point of water.
- a product consisting of wood, the pores,'ducts and. cells of which are encysted with a mixture comprising a non-volatile,
- water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon-of the aromatic series; and a solid material in a suliiciently finely divided condition tobe carried into the pores and diatoductsof the wood, said solid material beingsuiiiciently hard to prevent the boring acf tion of theteredo and similar destructive agents, said wood having a coating comprising an insecticidal compound.
- pores, ducts and cellsof which are encysted with a mixture comprising naphthalene, parafiin, and finely divided silica.
- a process of preserving wood, WhIGh ia-wee comprises immersing said Wood in a bath containing parafin, naphthalene, a silicious material and. Paris green ;.said bath being 15 maintained at a temperature somewhat above the boiling point of Water: Signed at Norfolk Va, this 7th day of February 1913.
Description
,- prns'rn rs a r ore ROBERT A. MAB/R, OF ORFOLK, VIRGINIA, ASSIGNOB TO AMERICAN WOOD ENCYSTING (10., INCORPORATED, OF .NORFOLK, VIRGINIA, A CORPORATION OF VIRGINIA.
PRESERVED ,WOOD AND METHOD OF -MAKING SAME.
Specification of Letters Patent.
Patented Dec. 22, 1914.
No Drawing. Application filed February 8, 1913, Seria1 No.'747,'169. Renewed October-22, 1914. Serial No.868,122. I
' 16, 1912, I have described a process which consists essentially inthat the wood to be treated is first soaked in a volatile hydrocarbon, such as 'gasolene, after which it is immersed in a bath maintained at a temperaturbelow 212 F., said bath containing melted parafiin, and diatomaceous earth, which mixture enters the pores, ducts and cells of the timber. and thoroughly permeates and encysts these. In my other Patent No, 1,023,78&, dated April 16, 1912, I
have'described a process in which timber is immersed in a bath containing molten parafiin and naphthalene, said bath being maintained at a temperature below 212 F.-, andthe materials enter and encyst the pores, ducts and sap channels of the wood.' The process of the present application combines certain features of both these processes, and
is carried out preferably in the following manner. ood is immersed in a bath contaming a mixture of parafiin and naphthalene and diatomaceous .earth,'to which other preservatives may or may not be added asdesired, while saigd bath is at a temperature somewhat above the boiling point of water, a temperature of near 240 F. being preferred. The temperature should not becarried very much above this point, since at higher temperatures the strength of the wood may be impaired.
The air and moisture in the ducts of the wood are driven'out by the action of the naphthalene in the bath, and the melted mixture, carrying the'diatomaceous earth, rapidly enters and takes its place, and thoroughily encysts the pores and ducts of the woo 4 The bath is preferably composed of the materials in the following proportions (by weight) although the invention is not limited thereto, parafiin, 100 parts, naphthalene,
parts, to which may be added 110 to'25 parts, diatomaceous earth 2 to 5 Paris green of commerce, 1 part.
In carrying out this process any variety of wood may be thoroughly permeated by sure process, using hot creosote, except very superficially, and moreover several kinds of wood maybe treated simultaneously in the same bath, and the wood may be in either a horizontal or vertical or inclined position.
lVhen it is desired to treat a part only of the length of a stick, for example a pile, it
may be stood up on end, in a tank containing the encysting mixture, which latter will thoroughly permeate the wood of the length actually immersed, and. some distance-beyond, being carried up some distance, within the wood, above the surface of the bath. Bent samples of the various hard and. soft woods, both green and dry, have been treated, with only a part of the bent portion im mersed; the encysting mixture thoroughly impregnates the wood where immersed and is carried up considerable distance toward eachend.
It is to be noted that either green or seasoned wood may be treated, and the impregnation, when using greenwood is not only as complete as when using dry wood, but it takes place in a shorter time, and both green and dry wood may be treated together, in the same bath.
substantially completely removed, sincecreosote, even hotand under heavy pressure can 'not pass through this inner bark or skin, as has been repeatedly demonstrated in the use of the various vacuum and pressure processes.
The use of above the boiling point of water, in place of a temperature-56f somewhat somewhat below, as in my processes in the patents above referred to, makes-the action take place 11 very much less time, and consequently saves time and money in the opadditions of the materials to the bath, from It is easy to' see when the impregnation and encystingtime to time, as necessary.
is complete, as no more bubbles are given off from the surface of the wood. If itis desired to s'upersaturate. the" treated material and leave the main ducts and pores completely filled av drop in temperature is preferable, or the timber may be immersed inanother similar hath at a lower tempera- 'ture. r The apparatus preferably used, in carrying out my process is-an open tank with heatingmeans, such as steam coils therein, and it isunnecessary to employ vacuum or pressure in-carrying out the process, which also effects a great saving in the process. The diatomaceous earth-is'Ta'n extremely finely divided material, of which over 90% will pass through the meshes of asieve, or bolting cloth having 40,000 meshes per.
square inch, and this is carried by the melted para-flin into the interior of the wood. The function of this, .as inmy prior patent,- is to leave a hardsolid material in the interstices of the wood Whichwill prevent the action of teredo, limnoria, etc.,jwhose man:
dibles are, composed essentially of. carbonate of lime (av material much softer than the silica of which the diatoms are composed).
. And the magma adds strength and resili- The paraflin acts to prevent the entrance of moisture, fungi, spores, and acts as a pre ence to treated Woods.-
The Paris green while a fine powder, is much coarser than the diatomaceous earth, and consequently does 'not enter the Wood to any great extent, but remains as a coating on the surface of the wood, and may impregnate the surface portions 'of the wood.
a This will effectually prevent the action of wood-destroying insects, also most forms of wood destroying fungi, since, as well known,
it is a poison to both insect life and fungi.
servative to the timber, since wood can not decay in the absence. of water.
. The action ofthe naphthalene is something. more than a preservative, as it acts to carry the paraflin and other material into the pores of the wood. This may be due tions stated above. of such a. bath-being also as stated above.
to the fact that the naphthalene is somewhat volatile, and in starting to' vaporizeit; drives out the moisture, or. air in the Wood,
and then the paraflin enters. Moreover the naphthalene cleans out the tissue ducts of the timber, to make it possible for the mixture.
to enter.- The wood when treated according l to this process is also stronger and heavier than before treatment, which is also a valuable feature of the process.
Wood, when encysted according to my present process, will effectually resist. any form of wood destroying fungus, insect, Worm, or any form of decay.
It is obvious that in place of naphthalene, I can employ other aromatic hydrocarbons of this type, which are somewhat volatile,-
such as'homologues of naphthalene, maybe employed; Also in place of parafiin, other:
non-volatile materials, which are insoluble in water, and which are capable of being melted, and which whenso melted will form thin'liquids of' a mobile nature, at the-temperatures mentionedfherein. Various equivalents for the diatomaceous earth, and for the Paris green may also be used.
For certain purposes, I find that a bath .consisting of parafiin, naphthalene and Paris green may be' employed, these materials preferably being used in about the propor- The conditions of use This-modification isclaimed in my copending application, Serial No. 811,914, filed January 13, 1914. The strength and resiliency of the wood, are in all cases increased, the reason probably being that the silica forms-with the paraflin, a magma,
which upon cooling solidifies within the ducts of the Wood to produce a supporting cylinder therein.
The impregnation of certain light varieties of wood, with mixtures similar to that used herein, is specifically claimed in my copending applications, Serial Nos. 811,909 and 811,910, filed January 13, 1914.
1. A process of preserving wood, which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having a melting point. not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; anda solid material in. a sufiiciently finely divided condition to be carried into. the pores and ducts of the Wood, said solid materialjbeing suificiently hard to prevent. the boring action ofthe teredo and similar destructive agents.
2. A. process of preserving wood, which comprises immersingsaid'wood in a bath containing paraflin; a somewhat volatile hydrocarbon of the aromatic series; and a condition to be carried intothepores and ducts of the wood, said solid material being solid material in a sufiiciently finely divided i,121,eae
sufliciently hard to prevent the boring action of the teredo and similar destructive agents. 1
, 3. A process of, preserving wood, which comprises immersing said wood in a bath containing a nonvolatile, water-insoluble material having a melting point not over 212 F.; naphthalene; and a solid material in a sufficiently finely divided condition to be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents.
- 4. Aprocess of preserving wood, which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and diatomaceous earth. -5. A process of preserving wood, which comprises immersing said wood ina bath containing a non-volatile, water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; anda solid material in a sufliciently finely divided condition to t be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents, and a solid insecticidal body.
- 6. A process of preserving wood, which comprises immersing said wood in a bath containing a non-volatile, water-insoluble material having-a melting-point'not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and a solid material in a sufficiently finely divided condition to be carried into the pores and ducts of the wood, said solid material being sufficiently hard to prevent the boring action of the teredo and similar destructive agents; and Paris gree 7. .A process of preserving wood, which comprL'es immersing said wood in a bath containing parafiin', naphthalene and diatomaceous earth.
- 8. A process of preserving wood, which. comprises immersing said wood 1n a bath a. somewhat volatile hydrocarbon comprises immersing said wood in a bath containing a non-volatile, water-insolublev material having a meltmg point not over 212 F.; a somewhat volatile hydrocarbon of the aromatic series; and a solid-material in a sufliciently finely divided condition to be carriedinto the pores and ducts of the wood, said solid material being sufliciently' hard to prevent the boring action of the teredo and similar destructive agents','said bath being maintained at a temperature between about 212" 1 and about 2-10 F.
11,- A process of preserving wood, which comprises immersing said wood in a bath containing paraflin, naphthalene and dia tomaceous earth; said bath being maintained at a temperature somewhat above the boiling point of water. 1 1
12. A process of preserving wood', wh1ch comprises immers ng sald wood 1n a bath containing paraiiln, naphthalene, maceous earth and Paris green; said bath being maintainedat' a temperature some-' what above the boiling point of water.
18. A product consisting of wood, the
pores, ducts andcells of which are encysted with a mixture comprising a non-volatile,
water-insoluble, material having a melting.
point not over 212 E; a somewhat volatile hydrocarbon of the aromatic series; and a solid material.in a sufiiciently finelydivide'd condition to be carried into the pores .and ducts of the wood, said solid material being sufliciently hard to prevent the boring aotion of the teredo and similar destructive agents' 14. A product consisting of wood, the
pores, ducts and cells of which are encysted with a mixture comprising naphthalene, paraffin and diatomaceous earth.
15. A product consisting of wood, the pores,'ducts and. cells of which are encysted with a mixture comprising a non-volatile,
water-insoluble material having a melting point not over 212 F.; a somewhat volatile hydrocarbon-of the aromatic series; and a solid material in a suliiciently finely divided condition tobe carried into the pores and diatoductsof the wood, said solid material beingsuiiiciently hard to prevent the boring acf tion of theteredo and similar destructive agents, said wood having a coating comprising an insecticidal compound.
16. A product consisting of wood, the
pores, ducts and cellsof which are encysted with a mixture comprising naphthalene, parafiin, and finely divided silica.
17. A product consisting of wood, the pores, ducts and cells of which are encysted with a mixture comprising. naphthalene, paraiiin and diatomaceous earth; said wood having acoating comprising an insoluble insecticidal body. I i 18. A product consisting of wood, the pores, ducts and cells of which are encysted ticidal body.
comprises immersing said Wood in a bath 19. A process of preserring W00d, Whioh containing a non-volatile, waterrinsoluble material having a melting point not over 1 212 F; a somewhat volatile hydrocarbon of the aromatic series; a silicious material; and an insoluble insecticidal body.
20. A process of preserving wood, WhIGh ia-wee comprises immersing said Wood in a bath containing parafin, naphthalene, a silicious material and. Paris green ;.said bath being 15 maintained at a temperature somewhat above the boiling point of Water: Signed at Norfolk Va, this 7th day of February 1913.
. ROBERT A. MARR. Witnesses:
MAURICE H. DiMMELsoN, C. G. BRoWNE,
J. W. EGGLESTON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86812214A US1121643A (en) | 1914-10-22 | 1914-10-22 | Preserved wood and method of making same. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86812214A US1121643A (en) | 1914-10-22 | 1914-10-22 | Preserved wood and method of making same. |
Publications (1)
Publication Number | Publication Date |
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US1121643A true US1121643A (en) | 1914-12-22 |
Family
ID=3189803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US86812214A Expired - Lifetime US1121643A (en) | 1914-10-22 | 1914-10-22 | Preserved wood and method of making same. |
Country Status (1)
Country | Link |
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US (1) | US1121643A (en) |
-
1914
- 1914-10-22 US US86812214A patent/US1121643A/en not_active Expired - Lifetime
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