US1894671A - Method of coating articles - Google Patents
Method of coating articles Download PDFInfo
- Publication number
- US1894671A US1894671A US369351A US36935129A US1894671A US 1894671 A US1894671 A US 1894671A US 369351 A US369351 A US 369351A US 36935129 A US36935129 A US 36935129A US 1894671 A US1894671 A US 1894671A
- Authority
- US
- United States
- Prior art keywords
- compound
- acid
- coating
- wire
- insulating
- 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
- 238000000034 method Methods 0.000 title description 11
- 239000011248 coating agent Substances 0.000 title description 10
- 238000000576 coating method Methods 0.000 title description 10
- 150000001875 compounds Chemical class 0.000 description 15
- 239000004020 conductor Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 235000021313 oleic acid Nutrition 0.000 description 6
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 5
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 5
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 5
- 239000005642 Oleic acid Substances 0.000 description 5
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- QMTFKWDCWOTPGJ-KVVVOXFISA-N (z)-octadec-9-enoic acid;tin Chemical compound [Sn].CCCCCCCC\C=C/CCCCCCCC(O)=O QMTFKWDCWOTPGJ-KVVVOXFISA-N 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000000899 Gutta-Percha Substances 0.000 description 1
- 101100504379 Mus musculus Gfral gene Proteins 0.000 description 1
- 240000000342 Palaquium gutta Species 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000001243 acetic acids Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- MNJVRJDLRVPLFE-UHFFFAOYSA-N etoricoxib Chemical compound C1=NC(C)=CC=C1C1=NC=C(Cl)C=C1C1=CC=C(S(C)(=O)=O)C=C1 MNJVRJDLRVPLFE-UHFFFAOYSA-N 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 150000004674 formic acids Chemical class 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229920000588 gutta-percha Polymers 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 150000002889 oleic acids Chemical class 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- 150000002943 palmitic acids Chemical class 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- 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
- Y10S118/00—Coating apparatus
- Y10S118/22—Wire and cord miscellaneous
Definitions
- This invention relates to a method of coating articles, and more particularly to a meth- 0d of treating wire to promote adherence thereto of an insulating coating.
- An object of the invention is to provide a simple and efficient method of treating articles to promote the adherence thereto of a coating material.
- the article to be coated is subjected to a bath of an organic acid, and a coatmg of insulating compound is subsequently applied to the article. Due to the action of the acid a firm bond is formed therebetween which is substantially integral with both the coating and the article.
- FIG. 1 is a fragmentary plan view of an apparatus which may be employed in practicing the invention
- gig. 2 is a fragmentary elevation thereof, an
- Fig. 3 is an enlarged cross sectional view of an insulated copper wire formed in accordance with the invention.
- the apparatus shown consists of an extruding head 10 which is secured by bolts 11 to an insulation extruding machine 12 (shown broken away) of any well known type, wherein the materials comprising the insulation are macerated, heated, and mixed into a warm, homo eneous mass.
- a nozzle 14 projects outwar ly from the extruding head 10 and is adapted to receive at one end a tinned copper wire 15 travelling in a horizontal path and, as the wire passes from the other end of the nozzle, to extrude upon it a cylindrical coating 16 of insulating compound.
- tinned copper wire is referably used, the invention is also applicale to all substances which react with an organic acid to form salts soluble in coating materials such as hydrocarbons and .exudations.
- the basin portion contains a supply of oleic acid 23 which saturates a sponge 24 resting therein, the latter being of sufiicient size to protrude above the sides of the container 18 and be maintained at all times in contact with the moving wire 15.
- the nozzle 14 is fitted at the receiving end thereof with a gland 26 which is of such construction as will permit it to bear upon the periphery of the wire 15 and remove therefrom the excess of acid, which drips into the drain. 20 and is thereby returned to the su ply 23.
- he insulating compound extruded uponv the wire may be composed; for example, of
- the compound include a substantial proportion of a substance which will dissolve metallic salts such as tin oleate.
- metallic salts such as tin oleate.
- examples of such materials are gutta percha, paraflins, and other hydrocarbons, and certain m exudates useful as insulators, such as be ata.
- the method of insulating an electrical conductor which consists in wetting the conductor with oleic acid, depositing upon the acid covered conductor a rubber compound while in a plastic state, and thereafter vulcanizing the compound to the conductor.
Description
Jan. 17, 1933. cox 1,894,671
METHOD OF COATING ARTICLES Filed June 8, 1929 mvema/ 7/70/7745 /f. 60%
Patented Jan. 17, 1933 UNITED STATES PATENT OFFICE THOIAS KING COX, OF CHICAGO, ILLINOIS, ASSIGNOR TO WESTERN ELECTRIC COK- PANY, DVCORPORATED, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK METHOD OF COATING ARTICLES Application filed. Jnne'8, 1929. Serial No. 888,351.
This invention relates to a method of coating articles, and more particularly to a meth- 0d of treating wire to promote adherence thereto of an insulating coating.
An object of the invention is to provide a simple and efficient method of treating articles to promote the adherence thereto of a coating material.
According to the general features of the invention, the article to be coated is subjected to a bath of an organic acid, and a coatmg of insulating compound is subsequently applied to the article. Due to the action of the acid a firm bond is formed therebetween which is substantially integral with both the coating and the article.
i The invention will be readily understood from the following specification when read in conjunction with the accompanying drawing, in which Fig. 1 is a fragmentary plan view of an apparatus which may be employed in practicing the invention;
gig. 2 is a fragmentary elevation thereof, an
Fig. 3 is an enlarged cross sectional view of an insulated copper wire formed in accordance with the invention.
The apparatus shown consists of an extruding head 10 which is secured by bolts 11 to an insulation extruding machine 12 (shown broken away) of any well known type, wherein the materials comprising the insulation are macerated, heated, and mixed into a warm, homo eneous mass. A nozzle 14 projects outwar ly from the extruding head 10 and is adapted to receive at one end a tinned copper wire 15 travelling in a horizontal path and, as the wire passes from the other end of the nozzle, to extrude upon it a cylindrical coating 16 of insulating compound. Although tinned copper wire is referably used, the invention is also applicale to all substances which react with an organic acid to form salts soluble in coating materials such as hydrocarbons and .exudations. I Mounted upon the extruding head 10 by bolts 17 in such manner as to be located beneath the wire 15 before its passage into the nozzle 14 is a container 18, composed gral projecting drain 20 having a bottom inclined to direct into the basin portion liquid deposited thereon. The basin portion contains a supply of oleic acid 23 which saturates a sponge 24 resting therein, the latter being of sufiicient size to protrude above the sides of the container 18 and be maintained at all times in contact with the moving wire 15. The nozzle 14 is fitted at the receiving end thereof with a gland 26 which is of such construction as will permit it to bear upon the periphery of the wire 15 and remove therefrom the excess of acid, which drips into the drain. 20 and is thereby returned to the su ply 23.
he insulating compound extruded uponv the wire may be composed; for example, of
25% reclaimed rubber, 20% smoked sheet 7 ance with establishedpractice dependingupon 75 the character of insulation desired. It is essential, however, that the compound include a substantial proportion of a substance which will dissolve metallic salts such as tin oleate. Examples of such materials, in addition to the compound described above, are gutta percha, paraflins, and other hydrocarbons, and certain m exudates useful as insulators, such as be ata. A
After treatment in accordance with the step described above, it has been observed that the wireupon receiving a deposition of insulating material will, upon subsequent vulcanization thereon of the insulating material, be found tobe securely bonded to such insulation. Although it is diflicult to observe exactly the progress of the reactions producing this bond, it is robably due to the fact that the action of t e acid u on the metal surface of the wire'forms a of salts of tin, or tin oleate. These salts, being soluble in the warm compound, create a film 27 between .the metal and the com ound which is essentially integral with bot U on cooling after vulcanization the hon will be 1 found to resist strongly strains such as would normally stri' insulation applied in the old method there rom.
In addition to oleic acid, advantageous results ma be secured by the use, in lieu thereof, of other organic acids having a high molecular weight such as palmitic and stearic acids. It is also possible to employ organic acids having lower molecular weights, such as acetic acid and formic acid. In the latter cases, however, it is desirable to allow a lon eri time for completion of the reaction descri e The foregoing describes but one embodiment of the method of securing a firm adherence or a coating to an article. The invention is capable of many other embodiments not mentioned above, and it is therefore desired that the scope of the invention be not limited except by the scope of the appended claims.
What is claimed is:
1. The method of securing the adhesion of a rubber compound to a metallic body which consists in depositing thereon a film of an acid of the organic class consisting of formic, acetic, oleic and palmitic acids, applying thereon the compound while in a plastic state, and thereafter vulcanizing the compound to the metallic body.
2. The method of insulating-an electrical conductor which consists in depositing thereon oleic acid to form a film, subsequently depositing upon the film a hydrocarbon compound containing sulphur, and thereafter vulcanizing the compound to the conductor= 3. The method of insulating an electrical conductor which consists in wetting the conductor with oleic acid, depositing upon the acid covered conductor a rubber compound while in a plastic state, and thereafter vulcanizing the compound to the conductor.
4. The method of securing the adhesion of a rubber compound to a tinned metallic body which consists in depositing thereon a quantity of oleic acid, applying the compound to said metallic body while in a plastic state, and thereafter vulcanizing the compound to said metallic body.
In witness whereof, I hereunto subscribe my name this 28th day of May A. D., 1929.
THOMAS KING COX.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US369351A US1894671A (en) | 1929-06-08 | 1929-06-08 | Method of coating articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US369351A US1894671A (en) | 1929-06-08 | 1929-06-08 | Method of coating articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1894671A true US1894671A (en) | 1933-01-17 |
Family
ID=23455104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US369351A Expired - Lifetime US1894671A (en) | 1929-06-08 | 1929-06-08 | Method of coating articles |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1894671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978357A (en) * | 1958-06-17 | 1961-04-04 | Dalmine Spa | Process of protectively coating tubular elements, structural shapes and the like with at least one thermoplastic resin sheath |
-
1929
- 1929-06-08 US US369351A patent/US1894671A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978357A (en) * | 1958-06-17 | 1961-04-04 | Dalmine Spa | Process of protectively coating tubular elements, structural shapes and the like with at least one thermoplastic resin sheath |
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