US1035527A - Process for the manufacture of incandescent mantles. - Google Patents
Process for the manufacture of incandescent mantles. Download PDFInfo
- Publication number
- US1035527A US1035527A US66622611A US1911666226A US1035527A US 1035527 A US1035527 A US 1035527A US 66622611 A US66622611 A US 66622611A US 1911666226 A US1911666226 A US 1911666226A US 1035527 A US1035527 A US 1035527A
- Authority
- US
- United States
- Prior art keywords
- mantles
- manufacture
- salts
- fibrous material
- compounds
- 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 8
- 238000004519 manufacturing process Methods 0.000 title description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 21
- 150000003839 salts Chemical class 0.000 description 13
- 239000002657 fibrous material Substances 0.000 description 11
- 150000003891 oxalate salts Chemical class 0.000 description 9
- 235000006408 oxalic acid Nutrition 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 150000002823 nitrates Chemical class 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 150000004677 hydrates Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 2
- 150000002927 oxygen compounds Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AAJSVCGZFYUUNN-UHFFFAOYSA-M C(C(=O)[O-])(=O)[O-].[NH4+].[Th+] Chemical compound C(C(=O)[O-])(=O)[O-].[NH4+].[Th+] AAJSVCGZFYUUNN-UHFFFAOYSA-M 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
- F21H1/00—Incandescent mantles; Selection of imbibition liquids therefor
Definitions
- This invention relates to an improved process for the manufacture of incandescent mantles and has for its object to obtain the illuminating salts in the form of oxalates on the fibrous material previous to incinerating the mantles. It has been found that by this means mantles can be obtained of excellent quality both as regards elasticity and firmness against tension and shock.
- the nitrates of the illuminating salts are converted into hydroxids, peroxids or their hydrates by treating with suitable alkalis or with hydrogen peroxid, or the like in the usual manner.
- the hydroxids, peroxids, or their hydrates are then converted into oxalates by subsequent treatment with a solution of oxalic acid.
- the fibrous material may, as usual, be firstly treated with ammonium oxalate so as to give thorium-ammonium-oxalate and thereafter treated with oxalic acid to yield the ordinary oxalates.
- Mantles prepared in the foregoing manner yield, at incandescent heat, an ash structure which possesses exceptionally good characteristics and is of excellent tenacity.
- the fibrous material constituting the mantles is firstly saturated, in known manner, with soluble illuminating salts or nitrates and is thereupon treated in known manner with alkaline solutions, such as ammonia so as to convert the salts into the corresponding hydroxids.
- alkaline solutions such as ammonia so as to convert the salts into the corresponding hydroxids.
- the ammoniacal precipitation may be replaced by the well known hydrogen peroxid precipitation so as to convert the salts into the corresponding peroxids or their hydrates.
- Ammonium oxalate may also be added, if desired, to the precipitant in order to form double oxalates at this stage.
- the mantles are then washed to remove the soluble salts and are thereupon immersed in a moderately concentrated Specification of Letters Patent.
- I claim 1 A process for the manufacture of incandescent gas mantles from fibrous material, which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding oxygen compounds and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said oxygen compounds with a solution of oxalic acid.
- a process for the manufacture of incandescent gas mantles from fibrous material which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding hydroxid compounds, and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said hydroxid compounds with a solution of oxalic acid.
- a process for the manufacture of incandescent gas mantles from fibrous material which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding hydrated pcroxid compounds and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said compounds with a solution of oxalic acid.
- a process for the manufacture of incandescent gas mantles from fibrous material which consists in impregnating the fibrous material with illuminating nitrates, treating the nitrates with a de-nitrating agent and converting the resulting compounds of the illuminating nitrates into the corresponding oxalates by treating with a solution of oxalic acid previous to incinerating the mantles.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
UNITED STATES PATENT OFFICE.
WALDEMAR BRUNO, 0F BERLIN, GERMANY.
PROCESS FOR THE MANUFACTURE OF INGANDESCENT MANTLES.
No Drawing.
T 0 all whom it may concern:
Be it known that I, l/VALDEMAR BRUNO, a subject of the King of Prussia, and resident of 10 Liebenwalderstrasse, Berlin, German Empire, chemist, have invented a new and useful Process for the llanufacture of Incandescent Mantles, of which the following is a specification.
This invention relates to an improved process for the manufacture of incandescent mantles and has for its object to obtain the illuminating salts in the form of oxalates on the fibrous material previous to incinerating the mantles. It has been found that by this means mantles can be obtained of excellent quality both as regards elasticity and firmness against tension and shock.
In carrying out my invention, the nitrates of the illuminating salts are converted into hydroxids, peroxids or their hydrates by treating with suitable alkalis or with hydrogen peroxid, or the like in the usual manner. The hydroxids, peroxids, or their hydrates are then converted into oxalates by subsequent treatment with a solution of oxalic acid. If desired however, the fibrous material may, as usual, be firstly treated with ammonium oxalate so as to give thorium-ammonium-oxalate and thereafter treated with oxalic acid to yield the ordinary oxalates.
Mantles prepared in the foregoing manner yield, at incandescent heat, an ash structure which possesses exceptionally good characteristics and is of excellent tenacity.
In order that the invention may be more clearly understood, the following process is given by way of example :-The fibrous material constituting the mantles is firstly saturated, in known manner, with soluble illuminating salts or nitrates and is thereupon treated in known manner with alkaline solutions, such as ammonia so as to convert the salts into the corresponding hydroxids. If desired however, the ammoniacal precipitation may be replaced by the well known hydrogen peroxid precipitation so as to convert the salts into the corresponding peroxids or their hydrates. Ammonium oxalate may also be added, if desired, to the precipitant in order to form double oxalates at this stage. The mantles are then washed to remove the soluble salts and are thereupon immersed in a moderately concentrated Specification of Letters Patent.
Application filed December 16, 1911.
Patented Aug. 13, 1912.
Serial No. 666,226.
(0. g. a 10 per cent.) solution of oxalic acid. The mantles are then dried and washed. The unburned mantles contain the illuminating salts as pure oxalates and, on incinoration, yield a pseudo-morphous structure, consisting of oxids, of extraordinary elasticity and firmness.
I claim 1. A process for the manufacture of incandescent gas mantles from fibrous material, which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding oxygen compounds and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said oxygen compounds with a solution of oxalic acid.
2. A process for the manufacture of incandescent gas mantles from fibrous material, which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding hydroxid compounds, and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said hydroxid compounds with a solution of oxalic acid.
3. A process for the manufacture of incandescent gas mantles from fibrous material, which consists in impregnating the fibrous material with illuminating salts, converting said salts into the corresponding hydrated pcroxid compounds and thereafter converting said compounds into the corresponding oxalates previous to incinerating the mantles by treating said compounds with a solution of oxalic acid.
4. A process for the manufacture of incandescent gas mantles from fibrous material, which consists in impregnating the fibrous material with illuminating nitrates, treating the nitrates with a de-nitrating agent and converting the resulting compounds of the illuminating nitrates into the corresponding oxalates by treating with a solution of oxalic acid previous to incinerating the mantles.
In witness whereof I have hereunto set my hand in the presence of two witnesses.
WALDEMAR BRUNO.
Witnesses:
HENRY I'IASPER, WOLDEMAR HAUPT.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, D. G."
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66622611A US1035527A (en) | 1911-12-16 | 1911-12-16 | Process for the manufacture of incandescent mantles. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66622611A US1035527A (en) | 1911-12-16 | 1911-12-16 | Process for the manufacture of incandescent mantles. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1035527A true US1035527A (en) | 1912-08-13 |
Family
ID=3103806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US66622611A Expired - Lifetime US1035527A (en) | 1911-12-16 | 1911-12-16 | Process for the manufacture of incandescent mantles. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1035527A (en) |
-
1911
- 1911-12-16 US US66622611A patent/US1035527A/en not_active Expired - Lifetime
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