US623724A - Georg kohl - Google Patents

Georg kohl Download PDF

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US623724A
US623724A US623724DA US623724A US 623724 A US623724 A US 623724A US 623724D A US623724D A US 623724DA US 623724 A US623724 A US 623724A
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glow
kohl
georg
mantle
nitrate
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21HINCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
    • F21H1/00Incandescent mantles; Selection of imbibition liquids therefor

Definitions

  • the upper folded part of the mantle has been painted at the place where ithas been attached, by means of asbestos threads, to the wire hook with a solution of aluminium nitrate, magnesium nitrate, or beryllium nitrate with the object of prevent 2o ing the glow-body from being drawn away from its support.
  • the object of this invention is to strengthen the top of the glow-body, so that it will be neither soft nor brittle, but will be as tenacious as possible, and consequently,
  • the top of the glow-body (which has been impregnated according to any method with the substances that produce the emission of light or also with strengthening substances) is impregnated with a solution produced by dissolving in 1.5 kilograms of water three hundred grams of aluminium nitrate, three hundred grams of magnesium nitrate, two grams Serial No. 687,630. (No model.)
  • the top of the glow-body is only moderately saturated with this solution, and in the subsequent drying operation the glow-body is hung with the top downward for the purpose of preventing the solution from spreading over any 5 5 considerable portion of the light-emitting surface of the mantle, because this solution would diminishtheilluminatingpowerthereof.
  • I claim 1 The method of strengthening mantles or hoods of refractory incandescible material at 7 5 the point where a suspending-wire is applied, which consists in applying to that part of the mantle an aqueous solution of a flux, as alum and borax and of nitrates of aluminium, magnesium, chromium, manganese and calcium, substantially as set forth.
  • a flux as alum and borax and of nitrates of aluminium, magnesium, chromium, manganese and calcium
  • An incandescible mantle having the point where such mantle is to be suspended for use strengthened with a compound consisting of a flux as alum and borax and oXids of aluminium, magnesium, chromium, manganese and calcium, substantially as set forth.

Description

llNrrnn STATES EMU,
ATENT GEORG KOHL, OF VIENNA, AUSTRIA-HUNGARY, ASSIGNOR OF THREE-FIFTHS TO ARMIN BERGL, OF SAME PLACE, AND VICTOR VON THEUMER, OF
MAUER, AUSTRIA-HUNGARY.
GLOW-BODY FOR INCANDESCENT BU RNERS.
SPECIFICATION forming part of Letters Patent No. 623,724, dated April 25, 1899.
Application filed August 3 189 8.
T at whom it may concern.-
Be it known that I, GEORG KOHL, a subject of the Emperor of Austria-Hungary, residing at Vienna, in the Province of Lower Austria,
5 in the Empire of Austria-Hungary, have invented certain new and useful Improvements in the Manufacture of Glow Bodies for Incandescent Burners; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it ap pertains to make and use the same.
In the glow-bodies for incandescent burners heretofore known the upper folded part of the mantle has been painted at the place where ithas been attached, by means of asbestos threads, to the wire hook with a solution of aluminium nitrate, magnesium nitrate, or beryllium nitrate with the object of prevent 2o ing the glow-body from being drawn away from its support. Now all the attempts that have been heretofore made for this purpose have, however, not had the desired success, because the mixtures employed for impreg- 2 5 nating the top of the glow-body become either too hard, and consequently brittle and crumbly, so that the glow-body is broken off by shocks, or the top of the glow-body remains too soft, as when beryllium is employed, and
comes undone, and the mantle consequently is very easily and quickly destroyed.
Now the object of this invention is to strengthen the top of the glow-body, so that it will be neither soft nor brittle, but will be as tenacious as possible, and consequently,
along with a unique elasticity, will have sufficient strength produced by its tenacity when incinerated. According to the method employed for producing this strengthening the top of the glow-body (which has been impregnated according to any method with the substances that produce the emission of light or also with strengthening substances) is impregnated with a solution produced by dissolving in 1.5 kilograms of water three hundred grams of aluminium nitrate, three hundred grams of magnesium nitrate, two grams Serial No. 687,630. (No model.)
of chromium nitrate, two grams of manganese nitrate, 20 grams of calcium nitrate, five grams of alum, and five grams of boraX. The top of the glow-body is only moderately saturated with this solution, and in the subsequent drying operation the glow-body is hung with the top downward for the purpose of preventing the solution from spreading over any 5 5 considerable portion of the light-emitting surface of the mantle, because this solution would diminishtheilluminatingpowerthereof. The solution, which, however, in consequence of the suction does spread in the narrow portion of the mantle next to the top or head, has the result, since it diminishes gradually in the strip, of producing the desired gradual merging of the tough strengthened head into the (after incineration) elastic and simple mantle without aifecting the capacity for emitting light. After drying, which is to be rapidly done, the glow-body is attached in the usual manner to the wire hook and is finally glowed, whereby all the substances with which the glow-body is impregnated are 0011- verted into the corresponding oxids.
I claim 1. The method of strengthening mantles or hoods of refractory incandescible material at 7 5 the point where a suspending-wire is applied, which consists in applying to that part of the mantle an aqueous solution of a flux, as alum and borax and of nitrates of aluminium, magnesium, chromium, manganese and calcium, substantially as set forth.
2. An incandescible mantle having the point where such mantle is to be suspended for use strengthened with a compound consisting of a flux as alum and borax and oXids of aluminium, magnesium, chromium, manganese and calcium, substantially as set forth.
In. testimony that'I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.
' GEORG KOHL.
Witnesses:
HENRY C. CARPENTER, ALVESTO S. HOGUE.
US623724D Georg kohl Expired - Lifetime US623724A (en)

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