US1006076A - Process of preserving wood. - Google Patents
Process of preserving wood. Download PDFInfo
- Publication number
- US1006076A US1006076A US1910561172A US1006076A US 1006076 A US1006076 A US 1006076A US 1910561172 A US1910561172 A US 1910561172A US 1006076 A US1006076 A US 1006076A
- Authority
- US
- United States
- Prior art keywords
- wood
- impregnating
- oil
- preserving
- cresate
- 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
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- 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
- the present invention relates to a process of preserving wood, which constitutes an improvement on another process of preserving wood described in U. S. Patent No. 937,802, dated October 26, l909, granted to me and VVerther A. G. von Heidenstam as joint inventors.
- a layer of carbonate of lime is formed in the outer layers of the Wood after the wood has been impregnated with a water solution of calcium cresate, which layer of carbonate prevents to a certain degree the washing out and decom position of the impregnating substance.
- the objectof the present invention is to provide a .more reliable protection against washing out and decomposition of the impregnating substance than that aii'orded by the layer of carbonate of lime alone.
- the essential feature of the invention accordingly consists in impregnating the wood with solutions of combinations of phenols with. alkali earths and successively impregnating the wood with an oil.
- the oil may be introduced into the wood and then the wood maybe exposed to the action of atmospheric air or a gaseous mixture containlng carbonic acid gas; or the Sub ecting of the wood to the action of the atmospheric air or carbon EliOXld-COIltfilZlllig gas mixture may immediately follow the impregnation of the wood with the phenol combination,
- the wood to be preserved is placed in an impregnation vessel or apparatus of the usual form, into which a water'solution of calcium cresate, for instance, is introduced; the said solution of calciu a cresate may be forced into the wood by the employment of a suitable pressure.
- the solution may contain from 4 to 5 per cent. of calcium cresate, and to each cubic foot of wood about 1%;
- WVhat I do claim is "1.
- the process of preserving wood which consists in first impregnating the wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the Wood with an oil, substantially as and for the purpose set forth.
- the process of preserving wood which consists in first impregnating the wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the outer layers of the wood with creosote oil, substantially as and for the purpose set forth.
Description
concgm;
No'Di'aiwing.
lSe itknown that. l', KARL LOUIS FE IX rmanmiais; "a""subject of the King of Sweden, residin fat Stockholm, Sweden,
have invented certainnew and useful Improvements in Processes for "Preserving Wood, of which the following is'y'a' specification.
The present invention relates to a process of preserving wood, which constitutes an improvement on another process of preserving wood described in U. S. Patent No. 937,802, dated October 26, l909, granted to me and VVerther A. G. von Heidenstam as joint inventors. By the process described in the said patent, a layer of carbonate of lime is formed in the outer layers of the Wood after the wood has been impregnated with a water solution of calcium cresate, which layer of carbonate prevents to a certain degree the washing out and decom position of the impregnating substance.
The objectof the present invention is to provide a .more reliable protection against washing out and decomposition of the impregnating substance than that aii'orded by the layer of carbonate of lime alone.
The essential feature of the invention accordingly consists in impregnating the wood with solutions of combinations of phenols with. alkali earths and successively impregnating the wood with an oil.
After the wood has been impregnated with combinations of phenols with alkali earths,
the oil may be introduced into the wood and then the wood maybe exposed to the action of atmospheric air or a gaseous mixture containlng carbonic acid gas; or the Sub ecting of the wood to the action of the atmospheric air or carbon EliOXld-COIltfilZlllig gas mixture may immediately follow the impregnation of the wood with the phenol combination,
and the oil may be introduced into the wood last. I
I will now proceed to give a specific example of the manner in which my invention may be carried into practice.
The wood to be preservedis placed in an impregnation vessel or apparatus of the usual form, into which a water'solution of calcium cresate, for instance, is introduced; the said solution of calciu a cresate may be forced into the wood by the employment of a suitable pressure. The solution may contain from 4 to 5 per cent. of calcium cresate, and to each cubic foot of wood about 1%;
rnoo'nss or rnnsnnvme wo'on.
aspjeci fication of Letters Patent: Application-filed May 13, 1910. Serial No. 561,172. i
LATENT O .vlt i 'eiiif gallons of-the solution maybdem *loyed; hen the wood has been impregnated-*with said solution the remainder' o'f the latter is drawn oil from the apparatusia vacuum may then be established in the*apparatus for a short period of time',f-whereupon the oil used according to the invention, which should be an oil either-only slightly soluble or insoluble in water, for instance creosote oil, is forced into the wood in a manner similar to the application of the solution of calcium cresate. The quantity of oil may be varied at will, and only the outer layers of the wood need be impregnated therewith.
\Vhen the wood thus impregnated is exposed to the action of the atmospheric air the phenols in the outer layers of the wood will be freed from their combinations with the alkali earths by the carbonic acid gas contained in the air. The layer of carbonate of lime formed by this reaction constitutes, together with the oil layer, an excellent. protection against the washing out or decomposition of the calcium cresate contained in the inner portions of the wood.
I am aware that it has been proposed to use mixtures of an oil with one or more preserving substances such as sulfate of copper, slaked lime, and the like for preserving wood, and I therefore do not broadly claim the use of an oil. in connection with another preserving substance, but
WVhat I do claim is "1. The process of preserving wood, which consists in first impregnating the wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the Wood with an oil, substantially as and for the purpose set forth.
2. The process of preserving wood, which consists in first impregnating the wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the outer layers of the Wood with an oil, substantially as and for the purpose set forth.
The process of preserving wood, which consists in first impregnating the wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the outer layers of the wood with creosote oil, substantially as and for the purpose set forth.
4; The process of preserving wood, which consists in first impregnating the wood with a Water solution of calcium cresate, alone,
and then impregnating the wood with an Oll, substantially as and for the purpose set forth.
5. The process of preserving wood, which consists in first impregnating the wood with a water solution of calcium cresate alone, and then impregnating the outer layers of the wood with creosote oil, substantially as and for the purpose set forth.
6. The process of preserving wood, which consists in first impregnating the, wood with solutions of combinations of phenols with alkali earths alone, and then impregnating the wood with an oil and subjecting the impregnated wood to the influence of a gas mixture containing carbonic acid, substantially as and for the purpose set forth.
7. The process of preserving wood, which consists in first impregnating the wood with a water solution of calcium cresate alone, then impregnating the wood, with an oil, and then subjecting the wood to the influence of atmospheric air, substantially as and for the purpose set forth.
8. The process of preserving wood, which coiisists in first impregnating the Wood with a water solution of calcium cresate alone, then impregnating the outer layers of the wood-with creosote oil, and then subjecting the wood to the influence of atmospheric air,
substantially as and for the purpose set forth.
In testimony WhereofI atfix my signature in presence of two witnesses.
KARL LOUIS FELIX FRIEDEMANN. Witnesses FELIX STERN, C. HEYMANN.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1910561172 US1006076A (en) | 1910-05-13 | 1910-05-13 | Process of preserving wood. |
US633135A US1006077A (en) | 1910-05-13 | 1911-06-14 | Process of preserving wood. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1910561172 US1006076A (en) | 1910-05-13 | 1910-05-13 | Process of preserving wood. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1006076A true US1006076A (en) | 1911-10-17 |
Family
ID=3074390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1910561172 Expired - Lifetime US1006076A (en) | 1910-05-13 | 1910-05-13 | Process of preserving wood. |
Country Status (1)
Country | Link |
---|---|
US (1) | US1006076A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2655454A (en) * | 1952-02-12 | 1953-10-13 | Timber Engineering Co | Wood treating process and composition |
-
1910
- 1910-05-13 US US1910561172 patent/US1006076A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2655454A (en) * | 1952-02-12 | 1953-10-13 | Timber Engineering Co | Wood treating process and composition |
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