US895738A - Solid insulating compound. - Google Patents

Solid insulating compound. Download PDF

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Publication number
US895738A
US895738A US38135907A US1907381359A US895738A US 895738 A US895738 A US 895738A US 38135907 A US38135907 A US 38135907A US 1907381359 A US1907381359 A US 1907381359A US 895738 A US895738 A US 895738A
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United States
Prior art keywords
gum
insulating compound
solid insulating
compound
oil
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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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US38135907A
Inventor
Jerome W Frank
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STANDARD VARNISH WORKS
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STANDARD VARNISH WORKS
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Publication date
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Priority to US38135907A priority Critical patent/US895738A/en
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Publication of US895738A publication Critical patent/US895738A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D193/00—Coating compositions based on natural resins; Coating compositions based on derivatives thereof
    • 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

Definitions

  • My invention relates to an insulating compound and particularly to an insulating compound capable of use. in insulating transformer coils intended for use immersed in oil.
  • the object is to provide a compound hay-- ingggood insulating properties and a high degree of penetration and an added function of retaining its ability to be liquefied after repeated heatings.
  • My invention consists of a solid insulating compound composed of castor oil, a resinous g-uni from a coniferous tree, such, for instance, as colophony, a fossil gum, such for instance, as the New Zealand gum known commercially as gum kauri, or the Dutch,
  • the gum hauri and colophony are first melted and then the east-or oil is added and the mixture boiled until the ingredients are thoroughiv united. After cooling, this compound is ready for use.
  • a solid insulating compound composed of castor oil, a fossil gum and a resinous gum from a coniferous-tree combined in the proportions substantially as specificd.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Insulating Of Coils (AREA)
  • Housings And Mounting Of Transformers (AREA)

Description

UNITED STATES PATENT OFFICE.
JEROME W. FRANK,
OF NEW YORKLN. Y., AssIeNoR 'ro STANDARD VARNISH WORKS, NEW YORK, N. Y., ACORPORATION or NEW YORK.
SOLID INSULATING COMPOUND.
' tion.
My invention relates to an insulating compound and particularly to an insulating compound capable of use. in insulating transformer coils intended for use immersed in oil.
. The object is to provide a compound hay-- ingggood insulating properties and a high degree of penetration and an added function of retaining its ability to be liquefied after repeated heatings. My invention consists of a solid insulating compound composed of castor oil, a resinous g-uni from a coniferous tree, such, for instance, as colophony, a fossil gum, such for instance, as the New Zealand gum known commercially as gum kauri, or the Dutch,
lliast India copal gums known commercially .a's Manila gum and Pontiniac gum.
.T he several ingredients may be practically combined in the following proportions lOO pounds gum kauri, 25 pounds eolophony, 5 gallons castor oil,
The gum hauri and colophony are first melted and then the east-or oil is added and the mixture boiled until the ingredients are thoroughiv united. After cooling, this compound is ready for use.
The proportions may be varied within reasonable limits to suit special requirements.
In stating the l'ormula I have taken gum kauri, colophony and cast-or oil as samples of the various classes of ingredients which I Specificationof Letters Patent.
Patented Aug. 11, 1908.
Application filed June 28, 1907. Serial No. 381,359.
have mentioned, it being understood that I do not limit myself to the specific ty es mentionedv The material thus formed a ter being liquefied under heat is especially well adapted foijimpregnat-ing in vacuum fabriccovered wires Wound into coils of various forms for the purpose of filling the interstices and insulating saidcoils and providing a filler and coating impervious to mineral oil.
It is an oil resisting insulating filler and covering suitable for insulating transformer coils which operate in a cooling. bath of oil, the colophony serving to revent the compound after'repeated heatings from becoming a pasty mass without penetrating properties and incapable of being liquefied below a temperature in' excess of that which would destroy the fabric covering of the wires in the coils and moreover render the compound valueless'as an insulator and filler for transformer coils.'
What I claim is:'
1. A solid insulating compound composed of castor oil, a fossil gum and a resinous gum from a coniferous-tree combined in the proportions substantially as specificd.
2. A solid insulating compound composed of castor oil, gum'kauri and eolophoirv (011)- bined in the proportions substantiallr as specified.
In testimony, that I claim the foregoing as my invention, I have signed my name in resence of two witnesses, this 22nd da ol iiune, 1907.
. JEROME W. FRANK.
IYitnesss:
W. H. S'rnT'r, R. CmssoN.
US38135907A 1907-06-28 1907-06-28 Solid insulating compound. Expired - Lifetime US895738A (en)

Priority Applications (1)

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US38135907A US895738A (en) 1907-06-28 1907-06-28 Solid insulating compound.

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US38135907A US895738A (en) 1907-06-28 1907-06-28 Solid insulating compound.

Publications (1)

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US895738A true US895738A (en) 1908-08-11

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US38135907A Expired - Lifetime US895738A (en) 1907-06-28 1907-06-28 Solid insulating compound.

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