AT48996B - Process for the production of elastic, cellular or spongy masses for filling wheel tires, cushions and the like. - Google Patents
Process for the production of elastic, cellular or spongy masses for filling wheel tires, cushions and the like.Info
- Publication number
- AT48996B AT48996B AT48996DA AT48996B AT 48996 B AT48996 B AT 48996B AT 48996D A AT48996D A AT 48996DA AT 48996 B AT48996 B AT 48996B
- Authority
- AT
- Austria
- Prior art keywords
- elastic
- cushions
- cellular
- production
- wheel tires
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- 230000001413 cellular effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940074391 gallic acid Drugs 0.000 description 2
- 235000004515 gallic acid Nutrition 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Description
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anderes Gas oder Gase in den Kessel gepumpt, bis der Druck je nach Bedarf 5 bis 50 Atmosphären erreicht. Durch diese Mittel wird die sclummige Masse wieder nahezu auf ihr ursprüngliches Volumen zusammengepresst. Das Umrühren wird unter Druck fortgesetzt, bis die Masse wieder ein zäher Schaum wird, der von Blasen von Luft unter hohem Druck erfüllt ist.
Da der Sauerstoff der Luft an dem folgenden chemischen Prozess teilnimmt, ist es möglich. sowohl die Geschwindigkeit, mit der die Oxydation vor sich geht, als auch deren Ausdehnung
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dieaon Zweck ist ca vorteilhaft, statt bloss Luft unter Druck ein komprimiertes Gemisch von Luft und einem neutralen Gas wie Kohlendioxyd oder Stickstoff zum Aufschaumen der Masse zu verwenden. Soll andererseits ein höherer Grad von Oxydation erzielt werden, so kann der Sauerstoff in bekannter Weise mit der Pressluft gemischt werden.
Das Mass des Umrührens muss
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wird, die Masse nicht zu lange unter hohem so Drucke verbleibt, da sie in diesem Falle etwas oxydiert oder den Sauerstoff vielleicht lösen würde, Hydrochinon, Tannin, Pyrogallussäure. dass sich die folgenden Gerboperationen in einem nicht beherrschbaren Masse vollziehen würden. Ist Schaum von richtiger Konsistenz entstanden, so wird ein gerbendes oder härtendes Agens eingeführt. Es ist wohl bekannt, dass einige Substanzen wie Gallussäure, die äh' 'eit haben, in Gegenwart von Sauerstoff. Gelatine in Wasser eingiessbar und unlöslich zu nu L Im vorliegenden Falle ist Pyrogallussäure mit Rücksicht auf ihre grosse Löslichkeit das geeignetste Mittel.
Eine starke
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beträgt der Zusatz von Gelatine vorteilhaft 20% des Gewichtes der Lösungsflüssigkeit der Gerb- masse. Die Gerblösung ist in ninem Zylinder angeordnet, der mit dem Kessel mittels eines geeigneten Hahnes verbunden und hinten mit einem Kolben verschlossen ist, dessen andere
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Da der Gerhprozess ungeachtet der Beimischung eines neutralen oder mildernden Gases zur Luft in der schaumigen Masse bei manchen Arten von Gelatine unvorteilhaft schnell fois- schreit''t. ist es oft wünschenswert, der Gerblösung einen Verzögerer zuzusetzen, bevor sie in den Kessel eingeführt wird. Für diesen Zweck ist ein Reduziermittel wie Natriumsulfit oder Zitronensäure geeignet. Dr sich die Wirkung der Pyrogallussäure am besten in einem alkalischen oder neutralen Medium äussert, kann die Gerbung durch Beimischung einer sauren Substanz verzögert werden.
Kohlendioxyd wirkt sowohl als milderndes Gas wie als saurer Verzögerer. Kbenso können auch andere Säuren, wie Gallussäure (die gleichfalls ein Gerbmittel ist) oder schweflige Säure verwendet werden. Ein Bisuiät wie Natriumbisulfit vereinigt die Vorteile eines Reduziermittels mit jenen einer schwachen Säure.
PATENT-ANSPRÜCHE : L Verfahren zur Herstellung von elastischen, zeitigen oder schwammigen Massen zum Füllen von Radreifen. Kissen und dergl., bei welchem ein erhitztes Glyzerin-Gelatinegemisch mit einem Gas durch Umrühren oder Schlagen in Schaum verwandelt und dieser mit einem in Gegenwart von Sauerstoff gerbenden Stoff behandelt wird, dadurch gekennzeichnet, dass die Wirkung des Gerbstoffes durch Zusatz eines neutralen Gases oder eines reduzierenden oder sauren
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
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other gas or gases are pumped into the boiler until the pressure reaches 5 to 50 atmospheres as needed. By means of these means, the sluggish mass is compressed almost to its original volume. Stirring is continued under pressure until the mass becomes a viscous foam again, filled with bubbles of air under high pressure.
Since the oxygen in the air takes part in the following chemical process, it is possible. both the rate at which the oxidation takes place and its extent
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The purpose of this is to use a compressed mixture of air and a neutral gas such as carbon dioxide or nitrogen to foam the mass instead of just air under pressure. If, on the other hand, a higher degree of oxidation is to be achieved, the oxygen can be mixed with the compressed air in a known manner.
The amount of stirring must be
EMI2.3
the mass does not remain under high pressure for too long, as in this case it would oxidize something or perhaps dissolve the oxygen, hydroquinone, tannin, pyrogallic acid. that the following tanning operations would take place to an uncontrollable extent. When foam of the correct consistency has been formed, a tanning or hardening agent is introduced. It is well known that some substances such as gallic acid, uh, have time in the presence of oxygen. Gelatine can be poured into water and is insoluble to nu L In the present case, pyrogallic acid is the most suitable agent given its high solubility.
A strong
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the addition of gelatin is advantageously 20% of the weight of the dissolving liquid of the tanning mass. The tanning solution is arranged in a cylinder, which is connected to the boiler by means of a suitable cock and closed at the rear with a piston, the other one
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Since, regardless of the admixture of a neutral or mitigating gas with the air in the foamy mass, the whitening process takes place unfavorably quickly in some types of gelatine. it is often desirable to add a retarder to the tanning solution before it is introduced into the kettle. A reducing agent such as sodium sulfite or citric acid is suitable for this purpose. Before the effect of pyrogallic acid is best expressed in an alkaline or neutral medium, tanning can be delayed by adding an acidic substance.
Carbon dioxide acts as both a mitigating gas and an acidic retarder. Other acids such as gallic acid (which is also a tanning agent) or sulphurous acid can also be used. A bisulfite such as sodium bisulfite combines the advantages of a reducing agent with those of a weak acid.
PATENT CLAIMS: L Process for the production of elastic, temporary or spongy masses for filling wheel tires. Pillows and the like., In which a heated glycerine-gelatin mixture with a gas is converted into foam by stirring or beating and this is treated with a substance tanning in the presence of oxygen, characterized in that the effect of the tanning agent by adding a neutral gas or a reducing or acidic
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB48996X | 1909-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT48996B true AT48996B (en) | 1911-07-25 |
Family
ID=9785968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT48996D AT48996B (en) | 1909-05-12 | 1910-04-11 | Process for the production of elastic, cellular or spongy masses for filling wheel tires, cushions and the like. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT48996B (en) |
-
1910
- 1910-04-11 AT AT48996D patent/AT48996B/en active
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