US1083354A - Insulating compound. - Google Patents
Insulating compound. Download PDFInfo
- Publication number
- US1083354A US1083354A US60492611A US1911604926A US1083354A US 1083354 A US1083354 A US 1083354A US 60492611 A US60492611 A US 60492611A US 1911604926 A US1911604926 A US 1911604926A US 1083354 A US1083354 A US 1083354A
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- US
- United States
- Prior art keywords
- compound
- insulating
- asphalt
- insulating compound
- needles
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
Definitions
- My invention relates to insulating compounds and particularlyto that class of such compounds adapted to be applied to the exterior surface of the body which is to be insulated and protected.
- the object of my invention is to produce an insulating compound which may be easily applied to the body to be protected, and which is tough and flexible even at low temperatures, and which does not become soft and sticky until heated considerably above ordinary temperatures.
- tetrachloronaphthalene has the most powerful tendency to crystalam acquainted. Moreover, it crystallizes as a felt of needles which are tough and flexible. By the expression, felt of needles, it is to be understood that I mean needles matted together. I have also found that tetrachloronaphthalene will crystallize when mixed with a large amount of an amphorous substance, such as asphalt. When such a mixture is permitted to crystallize, a large per cent. of the resulting mass is. composed of a felt of needles, the interstices of which are filled with asphalt. The resulting mass or compound is, therefore, "not porous.
- My improved insulating compound may be prepared by melting together suitable quantities of either crude or pure tetrachloronaphthalene and asphalt. "I prefer to use hard Cuban asphalt, but other varleties may be used. I have found that the best results are obtained by combining six parts Patented J an. 6, 1914.
- I preferably dip the articles in the compound while it is in a melted condition, either before it has cooled and solidized, or after it has been reheated, although other methods of applying it may be employed.
- my improved insulating, compound may be applied to any articles for which an insulating or protective covering. is desirable, as for example, trays or containers for storage battery cells, conducting wiries, armatures, and armature and other col 5.
- tetrachloronaphthalene is a trade designation for a product formed by the chlorination of naphthalene, which crystallizes as a felt of flexible, fibrous crystals. It apparently is a mixture of various 'chlorin substitution products of naphthalene, probably the tri-, tetra-, and pentachloronaphthalenes, having substan tially the same average composition as tetra chl'oronaphthalene.
- An insulating compound composed of crystalline needles, the interstices of which are filled with a substance to render said compound non-porous, substantially as described.
- An insulating compound composed of a felt of tough, flexible, crystalline needles, the interstices of which are filled with asphalt to render said compound non-porous, substantially as described.
- An insulating compound composed of a felted mass of tetra-chloro-naphthalene having its interstices filled with a substance to render said compound non-porous, substantially as described.
- An insulating compound containing a halogen derivative of naphthalene and asphalt 9.
- An insulating compound containing a chlorin derivative of naphthalene and asphalt 10.
- An insulating compound composed of a felt of tough, flexible needles crystallized in situ in an amorphous substance, substantially as described.
- An insulating compound composed of a felt of tough, flexible needles crystallized in situ in asphalt, substantially as described.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Nonwoven Fabrics (AREA)
Description
- lize of any organic substance with which I UNITED STATES PA E T F 1 THOMAS A. EDISON, OF LLEWELLYN PARK, ORANGE, NEW JERSEY.
INSULATING ooMPoUivn.
No Drawing.
Specification of Letters Patent.
To all whom it may concern Be it known that I, THOMAS ALNA EDISON, a citizen of the United States, residing at Llewellyn Park, Orange, in the county of Essex and State of New Jersey, have in vented certain new and useful Improvements in Insulating Compounds, of which the following is a description.
My invention relates to insulating compounds and particularlyto that class of such compounds adapted to be applied to the exterior surface of the body which is to be insulated and protected.
The object of my invention is to produce an insulating compound which may be easily applied to the body to be protected, and which is tough and flexible even at low temperatures, and which does not become soft and sticky until heated considerably above ordinary temperatures.
I have found that tetrachloronaphthalene has the most powerful tendency to crystalam acquainted. Moreover, it crystallizes as a felt of needles which are tough and flexible. By the expression, felt of needles, it is to be understood that I mean needles matted together. I have also found that tetrachloronaphthalene will crystallize when mixed with a large amount of an amphorous substance, such as asphalt. When such a mixture is permitted to crystallize, a large per cent. of the resulting mass is. composed of a felt of needles, the interstices of which are filled with asphalt. The resulting mass or compound is, therefore, "not porous.
These needles render the compound very tough, and, What is of great consequence, the compound is not soft or sticky at a temperature as high as 125 Fahr., and is not brittle at a temperature as Iow as 30 below zero Fahr. This remarkable property of retaining its toughness at low temperatures is due to the fact that the compound is felted and that the crystals are still flexible at these low temperatures. -My improved insulating compound also possesses the valuable property that it is not attacked by acids or alkalis, even when the acids or alkalis are hot.
My improved insulating compound may be prepared by melting together suitable quantities of either crude or pure tetrachloronaphthalene and asphalt. "I prefer to use hard Cuban asphalt, but other varleties may be used. I have found that the best results are obtained by combining six parts Patented J an. 6, 1914.
Application filed January 27, 1911. Serial No. 604,926.
weight of crude tetrachloronaphthalene to' one part of asphalt. These proportions may be varied within certain limits, and accord- 1 mg to the characteristics which are desired in the resulting compound.
In order to apply the insulating compound to articles which are to be coated with it, I preferably dip the articles in the compound while it is in a melted condition, either before it has cooled and solidized, or after it has been reheated, although other methods of applying it may be employed.
Upon removing the article from the bath I of melted compound, cooling takes place, and the article is found to be coated with a hard and durable insulating and protect ing compound. I have found that this subinsulating' and protecting coating for the exteriors of metal storage battery cans. These cans may be readily coated with it by dipping them in the melted compound. I have found that this process of dipping the cans may be advantageously carriedon when the melted liquid has a temperature not only as an insulating covering for the storage battery can, but also protects it from rust and from the action of chemicals which may come in contact with its exterior, such stance is particularly adapted for use as an as the electrolytes of acid or alkali storagebatteries.
Obviously, my improved insulating, compound may be applied to any articles for which an insulating or protective covering. is desirable, as for example, trays or containers for storage battery cells, conducting wiries, armatures, and armature and other col 5.
The term tetrachloronaphthalene is a trade designation for a product formed by the chlorination of naphthalene, which crystallizes as a felt of flexible, fibrous crystals. It apparently is a mixture of various 'chlorin substitution products of naphthalene, probably the tri-, tetra-, and pentachloronaphthalenes, having substan tially the same average composition as tetra chl'oronaphthalene.
Havingnow described my invention, what I claim and desire to protect by Letters Patent is as follows 85 of about 270 degrees F. The coating serves v I a felt of tough, flexible,
1. An insulating compound composed of crystalline needles, the interstices of which are filled with a substance to render said compound non-porous, substantially as described.
2. An insulating compound composed of a felt of tough, flexible, crystalline needles, the interstices of which are filled with asphalt to render said compound non-porous, substantially as described.
3. An insulating compound containing tetrachloronaphthalene and a fusible filling substance.
4. An insulating compound containing tetrachloronaphthalene and asphalt.
5. An insulating compound containing tetrachloronaphthalene and asphalt in the proportions by weight of six parts of pure tetrachloronaphthalene to one part of asphalt, substantially as described.
6. An insulating compound composed of a felted mass of tetra-chloro-naphthalene having its interstices filled with a substance to render said compound non-porous, substantially as described.
7. A process of making an insulating compound, which consists in melting together tetrachloronaphthalene and an amorphous substance, substantially as described. 8. A process of making an insulating compound, which consists in melting together tetrachlo-ronaphthalene and asphalt, substantially as described.
9. An insulating compound containing a halogen derivative of naphthalene and asphalt.
the Patent Office.
[snan] tosreeiions in Letters Patent no. 1,083,354.
word amphorous read amorphous; and same page,
10. An insulating compound containing a chlorin derivative of naphthalene and asphalt.
11. The process of making an insulating compound, which consists in melting together a halogen derivative of naphthalene and asphalt, substantially as described.
12. The process of making an insulating compound, which consists in melting together a chlorin derivative of naphthalene and asphalt, substantially as described.
13. An insulating compound composed of a felt of tough, flexible needles crystallized in situ in an amorphous substance, substantially as described.
14. An insulating compound composed of a felt of tough, flexible needles crystallized in situ in asphalt, substantially as described.
15. The process of making an insulating compound. which consists in melting together an amorphous substance, and a substance capable of 'crystallizing as a felt of tough, flexible needles in said amorphous substance, substantially as described.
16. The process of making an insulating compound which consists in melting together asphalt and a substance capable of crystallizing as a felt Of tough, flexible needles in said asphalt, substantially as described.
This specification signed and witnessed this 25th day of January, 1911.
THOMAS A. EDISON.
Witnesses:
DYER SMiTI-I, ANNA R. KLEHM.
It is hereby certified that in Letters Patent No. 1,083,354, granted January 6, 1914, upon the application ofThomas A. Edison, of Llewellyn Park, Orange, New Jersey, for an improvement in Insulating Compounds, errors appear in 7 the printed specification requiring correction as follows: Page 1," line 30, for the line 70, for the word solidized read solidified; and that the said Letters Patent should be read wit these corrections therein that the same may conform to the record of the case in Signed and sealed this 3rd day of February, A. D., 1914.
J. T. nnw'rou,
Acting Commissioner of Patenta.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60492611A US1083354A (en) | 1911-01-27 | 1911-01-27 | Insulating compound. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60492611A US1083354A (en) | 1911-01-27 | 1911-01-27 | Insulating compound. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1083354A true US1083354A (en) | 1914-01-06 |
Family
ID=3151585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US60492611A Expired - Lifetime US1083354A (en) | 1911-01-27 | 1911-01-27 | Insulating compound. |
Country Status (1)
Country | Link |
---|---|
US (1) | US1083354A (en) |
-
1911
- 1911-01-27 US US60492611A patent/US1083354A/en not_active Expired - Lifetime
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