DE1288220B - Thread lubricant - Google Patents
Thread lubricantInfo
- Publication number
- DE1288220B DE1288220B DEA42916A DEA0042916A DE1288220B DE 1288220 B DE1288220 B DE 1288220B DE A42916 A DEA42916 A DE A42916A DE A0042916 A DEA0042916 A DE A0042916A DE 1288220 B DE1288220 B DE 1288220B
- Authority
- DE
- Germany
- Prior art keywords
- oxide
- composition
- graphite
- cadmium oxide
- lubricant
- 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.)
- Pending
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
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- C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
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Description
Die Verwendung der einzelnen Verbindungen als Schmiermittelzusätze ist bereits bekannt. Aus der USA.-Patentschrift 2 736 700 ist aber auch die Kombination solcher Verbindungen als Trockenschmiermittel, nicht dagegen in Mischung mit einem Mineralöl bekannt.The use of the individual compounds as lubricant additives is already known. From the US Pat. No. 2,736,700 is also the combination of such compounds as dry lubricants, however, not known in a mixture with a mineral oil.
Es wurde nun gefunden, daß eine Schmiermittelpaste, bestehend aus einem Mineralöl, MoS2, Graphit, Bornitrid, Talk, oder Kupferpulver und gegebenenfalls einem Lösungsmittel, dadurch gekennzeichnet, daß sie zusätzlich noch Cadmiumoxyd, Bleioxyd, Bleisulfid, Indiumoxyd, Zinkoxyd, Strontiumoxyd, Kupferoxyd, Silbersulfat oder Natriumsulfat enthält, ausgezeichnete Eigenschaften als getriebe- und abriebverhindernde Schmiermittel aufweist. . isIt has now been found that a lubricant paste consisting of a mineral oil, MoS 2 , graphite, boron nitride, talc or copper powder and optionally a solvent, characterized in that it also contains cadmium oxide, lead oxide, lead sulfide, indium oxide, zinc oxide, strontium oxide, copper oxide , Silver sulphate or sodium sulphate, has excellent properties as a lubricant to prevent gear and wear. . is
Auf der einen Seite werden Molybdändisulfid, Bornitrid, Talk, Kupferpulver oder bevorzugt Graphit verwendet. Der Graphit kann Naturgraphit oder Elektrographit sein, der vorzugsweise eine Oberfläche von. 1 bis 500 m2, insbesondere 10 bis 150 m\ pro ao Gramm aufweist.On the one hand, molybdenum disulfide, boron nitride, talc, copper powder or, preferably, graphite are used. The graphite can be natural graphite or electrographite, which preferably has a surface of. 1 to 500 m 2 , in particular 10 to 150 m \ per ao gram.
Auf der anderen Seite werden bevorzugt Cadmiumoxyd oder Bleioxyd, Bleisulfid, Indiumoxyd, Zinkoxyd, Strontiumoxyd, Kupfer(I)-oxyd, Silbersulfat oder Natriumsulfat verwendet. Diese Substanzen sollten vorzugsweise eine geringe Teilchengröße aufweisen, wobei eine durchschnittliche Teilchengröße von nicht mehr als 10 μ bevorzugt wird. Im Fall von Cadmium- ; oxyd beispielsweise ist ein Material mit einer durchschnittlichen Teilchengröße von 0,5 bis 2 μ besonders 30-brauchbar. On the other hand, preference is given to cadmium oxide or lead oxide, lead sulfide, indium oxide, zinc oxide, Strontium oxide, copper (I) oxide, silver sulfate or sodium sulfate are used. These substances should preferably have a small particle size, with an average particle size of not more than 10μ is preferred. In the case of cadmium; Oxyd, for example, is a material with an average Particle size of 0.5 to 2 microns particularly useful.
- Als,. Mineralöl wird_ein Kohlenwasserstofföl..von hohem Siedepunkt, z. B. auch ein Wachs, verwendet, wodurch die Paste, nachdem sie der Atmosphäre ---'■' ausgesetzt ist, plastisch bleibt. Gegebenenfalls können auch niedrigsiedende Lösungsmittel, z. B. Lackbenzin, Solventnaphtha, Toluol und Xylol, zugesetzt werden.- As,. Mineral oil becomes a hydrocarbon oil with a high boiling point, e.g. B. also a wax is used, whereby the paste remains plastic after it is exposed to the atmosphere --- '■'. Optionally, low-boiling solvents such. B. mineral spirits, solvent naphtha, toluene and xylene are added.
Die erfindungsgemäße Paste kann auch noch andere übliche Schmierölzusätze, z. B. ein Dispersionsmittel, Füllstoffe und/oder Verdickungsmittel, Hochdruck-Schmiermittel enthalten.The paste according to the invention can also contain other conventional lubricating oil additives, e.g. B. a dispersant, Contain fillers and / or thickeners, extreme pressure lubricants.
.B.ei spiel 1 GewindeschmiermittelE.g. for example 1 thread lubricant
4545
100 g Graphit (Oberfläche = 100 m2/g), 71 g Cadmiumoxyd (Teilchengröße zwischen- 0^5 und"-2,0 μ-'-5ο: Durchmesser), 10,4 g amorphe Kieselsäure (Oberfläche= etwa 175m2/g), 3,4 g eines Materials aus 50 bis 54 Gewichtsprpzent__des Natriumsalzes ypn_ Petroleumsulfonat mit einem Molekulargewicht von 450,5 Gewichtsprozent" Wasser, .0,5 Gewichtsprozent.55: anorganischen Feststoffen, Rest Mineralöle und 35 g Bleipulver (Teilchengröße 0,05 mm) wurden in eine Mischvorrichtung gegeben und 88 g Kohlenwasserstofföl (Lösungsmittelneutralöl 500) zusammen mit so viel Lackbenzin zugesetzt, daß sich eine geeignete Paste ergibt. Dann wird 4 Stunden lang mastifiziert. Anschließend wird im Mischer mit so viel Lackbenzin verdünnt, daß sich ein Produkt von geeigneter Konsistenz für das Mischen in einem hochtourigen Mischer ergibt. Dann wird das Material in einen hochtourigen Mischer übergeführt und 2 Stunden geschlagen. Im Mischer wird dann mit Lackbenzin auf 50% Feststoffgehalt verdünnt.100 g graphite (surface = 100 m 2 / g), 71 g cadmium oxide (particle size between- 0 ^ 5 and "-2.0 μ -'- 5ο : diameter), 10.4 g amorphous silica (surface = about 175 m 2 / g), 3.4 g of a material consisting of 50 to 54 percent by weight of the sodium salt ypn_ petroleum sulfonate with a molecular weight of 450.5 percent by weight "water, .0.5 percent by weight. 55: inorganic solids, the remainder mineral oils and 35 g lead powder (particle size 0, 05 mm) were placed in a mixer and 88 g of hydrocarbon oil (solvent neutral oil 500) were added together with enough mineral spirits to produce a suitable paste. Then it is masticated for 4 hours. Then it is diluted with so much mineral spirits in the mixer that a product of suitable consistency for mixing in a high-speed mixer results. Then the material is transferred to a high-speed mixer and beaten for 2 hours. In the mixer, the mixture is then diluted to 50% solids with mineral spirits.
"Äbriebverhindernäes Schmiermittel
(Hochdruckschmiermittel)"Anti-abrasion lubricant
(High pressure lubricant)
Die Rezeptur dieser Zusammensetzung ist genau wie im Beispiel 1, jedoch unter Zugabe von 22 g chloriertem Wachs. Es wird so viel Lackbenzin bei der endgültigen Verdünnung im Mischer verwendet, daß sich eine geeignete Konsistenz für das Aufpinseln ergibt, und nach dem Schlagen im Mischer wird wieder Lackbenzin zugesetzt, um eine Zusammensetzung geeigneter Konsistenz zu ergeben.The formulation of this composition is exactly as in Example 1, but with the addition of 22 g of chlorinated Wax. There is so much mineral spirits used in the final dilution in the mixer that a results in a suitable consistency for brushing on, and after whipping in the mixer, white spirit is used again added to give a composition of suitable consistency.
Eine Zusammensetzung wird nach der gleichen Rezeptur wie im Beispiel 1 zusammengestellt, mit der Ausnahme, daß Cadmiumoxyd weggelassen wird und 97 g Bleioxyd (PbO) von einer Teilchengröße zwischen 0,5 und 2,0 μ Durchmesser an dessen Stelle eingebracht werden.A composition is put together according to the same recipe as in Example 1, with the Exception that cadmium oxide is omitted and 97 g of lead oxide (PbO) with a particle size between 0.5 and 2.0 μ diameter can be introduced in its place.
Eine- Zusammensetzung wird nach der gleichen Rezeptur wie im Beispiel 1 zusammengestellt, mit der Ausnahme, daß Cadmiumoxyd weggelassen wird und 28 g Natriumsulfat yon einer Teilchengröße zwischen 0,5 und 2,0 μ Durehmesser an dessen Stelle eingebracht werden.A composition is based on the same Recipe as compiled in Example 1, with the exception that cadmium oxide is omitted and 28 g of sodium sulphate of a particle size between 0.5 and 2.0 μm diameter knife were introduced in its place will.
B ei spiel 5Eg game 5
Eine.Zusammensetzung wird nach der Rezeptur des „Beispiels 1 zusammengestellt, mit den Ausnahme, daß Cadmiumoxyd weggelassen wird und 20 g Bleisulfid von einer Teilchengröße: zwischen 0,5 uü'd 2,0 μ Durchmesser an dessen Stelle eingebracht werden.A composition is put together according to the recipe of "Example 1, with the exception that cadmium oxide is omitted and 20 g of lead sulfide with a particle size : between 0.5 and 2.0 μ diameter are introduced in its place.
B ei spiel 7Example 7
Eine Zusammensetzung wird nach der Rezeptur des Beispiels 1 zusammengestellt, mit der Ausnahme, daß Graphit weggelassen wird und ,20 g teilchenförmiges Molybdändisulfid mit einer Oberfläche von 10 bis :30 m2/g an dessen Stelle eingebracht werden.A composition is put together according to the recipe of Example 1, with the exception that graphite is omitted and 20 g of particulate molybdenum disulfide having a surface area of 10 to : 30 m 2 / g is introduced in its place.
VersuchsberichtTest report
. Der überraschende technische Fortschritt ist aus nachfolgenden Vergleichsbeispielen ersichtlich.
"■- Die nachstehenden Schmiermittelpasten wurden wie folgt hergestellt:. The surprising technical progress can be seen from the following comparative examples.
"■ - The following lubricant pastes were produced as follows:
* "■ Zusammensetzung 1
a) Lediglich auf Graphit beruhend* "■ Composition 1
a) Based solely on graphite
lOOj Elektrographit (Oberfläche.. IiL bis. 20 m2/g), iÖO g Kohlenwasserstofföl (500 solvent neutral oil), 50 g.-.Schmierfettbäse, bestehend aus 10% feinverteiitem Siliciumdioxyd in einem Kohlenwasserstofföl (150 solvent neutral oil)..lOOj electrographite (surface .. IiL up to. 20 m 2 / g), iÖO g hydrocarbon oil (500 solvent neutral oil), 50 g .-. grease oil, consisting of 10% finely divided silicon dioxide in a hydrocarbon oil (150 solvent neutral oil) ..
Die Bestandteile werden in eine Mischvorrichtung gebracht und 30 Minuten lang innig vermischt.The ingredients are placed in a blender and mixed intimately for 30 minutes.
b) Auf Graphit und Cadmiumoxyd beruhendb) Based on graphite and cadmium oxide
68 g Elektrographit (Oberfläche 10 bis 20 m2/g), 119 g Cadmiumoxyd (Teilchendurchmesser zwischen 0,5 und 2,0 μ),68 g electrographite (surface 10 to 20 m 2 / g), 119 g cadmium oxide (particle diameter between 0.5 and 2.0 μ),
110 g Kohlenwasserstofföl (500 solvent neutral oil), 50 g Schmierfettbase, bestehend aus 10% Iei&- verteiltem Siliciumdioxyd in einem Kohlenwasserstofföl (150 solvent neutral oil).110 g hydrocarbon oil (500 solvent neutral oil), 50 g grease base, consisting of 10% Ie i & - distributed silicon dioxide in a hydrocarbon oil (150 solvent neutral oil).
Die Bestandteile werden in eine Mischvorrichtung gebracht und 30 Minuten lang innig vermischt.The ingredients are placed in a blender and mixed intimately for 30 minutes.
Zusammensetzung; 2 . . .
a) Lediglich auf Graphit beruhend 'Composition; 2. . .
a) Based solely on graphite '
100 g Elektrographit (Oberfläche 10 bis 20 m2/g), 150 g Testbenzin.100 g electrographite (surface 10 to 20 m 2 / g), 150 g white spirit.
Der Graphit wurde in einen Mischer eingespeist und eine zur Bildung einer steifen Paste ausreichende Menge Testbenzin hinzugegeben. Nach 15minütigem Rühren wurde das restliche Testbenzin hinzugegeben.The graphite was fed into a mixer and sufficient to form a stiff paste Amount of white spirit added. After stirring for 15 minutes, the remaining white spirit was added.
b) Auf Graphit und Cadmiumoxyd beruhendb) Based on graphite and cadmium oxide
68 g Elektrographit (Oberfläche 10 bis 20m2/g), 119 g Cadmiumoxyd (Teilchendurchmesser zwischen68 g of electrographite (surface 10 to 20m 2 / g), 119 g of cadmium oxide (particle diameter between
0,5 und 2,0 μ),
200 g Testbenzin.0.5 and 2.0 μ),
200 g white spirit.
Der Graphit und das Cadmiumoxyd wurden in ao einen Mischer eingespeist und eine zur Bildung einer steifen Paste ausreichende Menge Testbenzin hinzugegeben. Nach 15minütigem Rühren wurde das restliche Testbenzin hinzugegeben.The graphite and cadmium oxide were fed into ao mixer and one to form a Sufficient amount of white spirit is added to the stiff paste. After stirring for 15 minutes, the remaining White spirit added.
c) Lediglich auf Cadmiumoxyd beruhendc) Based solely on cadmium oxide
119 g Cadmiumoxyd (Teilchendurchmesser zwischen119 g cadmium oxide (particle diameter between
0,5 und 2,0 μ),
200 g Testbenzin.0.5 and 2.0 μ),
200 g white spirit.
Die Herstellung erfolgt, wie in Zusammensetzung 2, b) beschrieben.The production takes place as in composition 2, b) described.
Zusammensetzung 3
a) Lediglich auf Graphit beruhendComposition 3
a) Based solely on graphite
3535
120 g Elektrographit (Oberfläche 100 m2/g),
10,4 g amorphes Siliciumdioxyd (Oberfläche annähernd 175 ma/g),120 g electrographite (surface 100 m 2 / g),
10.4 g of amorphous silicon dioxide (surface area approximately 175 m a / g),
3,4 g Gemisch A (ein Material aus 50 bis 54 Gewichtsprozent des Natriumsalzes von Petroleumsulf onat mit einem Molekulargewicht von 450,5 Gewichtsprozent Wasser, 0,5 Gewichtsprozent anorganischen Feststoffen, Rest Mineralöl). Die vorgenannten Materialien wurden in eine Mischvorrichtung gegeben und 40 Gewichtsprozent reines Paraffinöl wurde zusammen mit einer zur Bildung einer steifen Mischpaste ausreichenden Menge Testbenzin hinzugegeben. Nach 4stündigem Mischen wurde ausreichend Testbenzin hinzugegeben, um im Endprodukt einen Feststoffgehalt von 50°/0 zu erhalten.3.4 g of mixture A (a material of 50 to 54 percent by weight of the sodium salt of petroleum sulfonate with a molecular weight of 450.5 percent by weight water, 0.5 percent by weight inorganic solids, the remainder mineral oil). The foregoing materials were placed in a blender and 40 weight percent pure paraffin oil was added along with an amount sufficient to form a stiff blend paste. After 4 hours mixing white spirit was sufficiently added to 0 to obtain a solids content of 50 ° / in the final product.
5555
b) Auf Graphit und Cadmiumoxyd beruhendb) Based on graphite and cadmium oxide
100 g Elektrographit (Oberfläche 100 ma/g),
71 g Cadmiumoxyd (Teilchendurchmesser zwischen 0,5 und 2,0 μ),100 g electrographite (surface 100 m a / g),
71 g cadmium oxide (particle diameter between 0.5 and 2.0 μ),
10,4 g amorphes Siliciumdioxyd (Oberfläche annähernd 175 m2/g), 3,4 g Gemisch A.10.4 g of amorphous silicon dioxide (surface area approximately 175 m 2 / g), 3.4 g of mixture A.
Die vorgenannten Materialien wurden in eine Mischvorrichtung gegeben, und 40 Gewichtsprozent reines Paraffinöl wurden zusammen mit einer zur Bildung einer steifen Mischpaste ausreichenden Menge Testbenzin hinzugegeben. Nach 4stündigem Mischen wurde ausreichend Testbenzin hinzugegeben, um einen Endfeststoffgehalt von 50% zu erhalten.The foregoing materials were placed in a blender, and 40 percent by weight Pure paraffin oil was added in an amount sufficient to form a stiff blend paste White spirit added. After mixing for 4 hours, sufficient white spirit was added to produce a To obtain final solids content of 50%.
c) Lediglich auf Graphit beruhendc) Based solely on graphite
120 g Elektrographit (Oberfläche; 10 bis 20m2/g),
10,4 g amorphes Siliciumdioxyd (Oberfläche, annähernd
175 m2/g), " .-·_.-;
3,4 g Gemisch A. .120 g of electrographite (surface area; 10 to 20 m 2 / g), 10.4 g of amorphous silicon dioxide (surface area, approximately 175 m 2 / g), ".- · _.-;
3.4 g mixture A.
Die Herstellung erfolgt, wie in Zusammensetzung 3, a) beschrieben.The production takes place as in composition 3, a) described.
d) Auf Graphit und Cadmiumoxyd beruhendd) Based on graphite and cadmium oxide
100 g Elektrographit (Oberfläche 10 bis 20m2/g), 71 g Cadmiumoxyd (Teilchendurchmesser zwischen 0,5 und 2,0 μ),100 g electrographite (surface 10 to 20m 2 / g), 71 g cadmium oxide (particle diameter between 0.5 and 2.0 μ),
10,4 g amorphes Siliciumdioxyd (Oberfläche annähernd 175 m2/g),
3,4 g Gemisch A.10.4 g of amorphous silicon dioxide (surface area approximately 175 m 2 / g),
3.4 g mixture A.
Die Herstellung erfolgt, wie in Zusammensetzung 3, b) beschrieben.The production takes place as in composition 3, b) described.
UntersuchungsverfahrenInvestigation procedure
12,7 · 50,8 mm lange »R« Qualität Whitworth und BSF Sechskantkopfbolzen und Sechskantschrauben werden zu den Untersuchungen bei 4000C verwendet. Untersuchungen bei 5500C (W hitworth) werden unter Verwendung von Materialien ähnlicher Dimensionen aus einer gesetzlich geschützten Stahllegierung durchgeführt. Die Bolzen werden durch Löcher in eine 12,7 mm dicke Stahlplatte eingeführt, und das zu untersuchende Schmiermittel wird auf die offenliegenden Gewindegänge geschmiert. Unterlagscheiben werden auf beiden Seiten mit Schmiermittel behandelt und über die Bolzen gelegt. Die Schrauben werden mit der Hand eingedreht und schließlich mit einem Drehmomentschlüssel auf 50ft/lbs (33,6 m/kg) angezogen, wobei mindestens zwei komplette Gewindegänge oberhalb des Bolzens offengelegt bleiben. Die Untersuchungen werden 100 Stunden bei erhöhten Temperaturen mit freiem überschüssigem Sauerstoff durchgeführt. Das zur Lösung erforderliche Drehmoment wird gemessen, nachdem das Gefüge auf Raumtemperatur abgekühlt ist. Mindestens zweimalige Untersuchungen werden durchgeführt, wobei die nachstehend angegebenen Ergebnisse Mittelwerte darstellen. 12.7 x 50.8 mm long "R" quality Whitworth and BSF hexagon head bolts and hexagon screws are used for the tests at 400 ° C. Studies at 550 0 C (W hitworth) are carried out using materials of similar dimensions from a proprietary steel alloy. The bolts are inserted through holes in a 12.7 mm thick steel plate and the lubricant to be tested is smeared onto the exposed threads. Washers are treated with lubricant on both sides and placed over the bolts. The screws are screwed in by hand and finally tightened to 50ft / lbs (33.6 m / kg) with a torque wrench, leaving at least two complete threads exposed above the bolt. The examinations are carried out for 100 hours at elevated temperatures with free excess oxygen. The torque required for the solution is measured after the structure has cooled to room temperature. Tests are carried out at least twice, the results given below being mean values.
Ergebnisse (die angegebenen Zahlen zeigen Mittelwerte des Lösedrehmoments):Results (the figures given show mean values of the loosening torque):
1. Whitworth 4000C:1. Whitworth 400 0 C:
Zusammensetzung 1, a) 31,6 m/kgComposition 1, a) 31.6 m / kg
Zusammensetzung 1, b) 28,5 m/kgComposition 1, b) 28.5 m / kg
Zusammensetzung 2, a) 30,2 m/kgComposition 2, a) 30.2 m / kg
Zusammensetzung 2, b) 27,5 m/kgComposition 2, b) 27.5 m / kg
Zusammensetzung 2, c) 42,0 m/kgComposition 2, c) 42.0 m / kg
2. BSF 400°C:2. BSF 400 ° C:
Zusammensetzung 1, a) 40,3 m/kgComposition 1, a) 40.3 m / kg
Zusammensetzung 1, b) 38,6 m/kgComposition 1, b) 38.6 m / kg
3. Whitworth 55O0C:3. Whitworth 55O 0 C:
Zusammensetzung 3, a) 42,0 m/kgComposition 3, a) 42.0 m / kg
Zusammensetzung 3, b) 40,3 m/kgComposition 3, b) 40.3 m / kg
Zusammensetzung 3, c) 40,3 m/kgComposition 3, c) 40.3 m / kg
Zusammensetzung 3, d) 33,6 m/kgComposition 3, d) 33.6 m / kg
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB15358/62A GB1033735A (en) | 1962-04-19 | 1962-04-19 | Improvements in or relating to lubricant compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1288220B true DE1288220B (en) | 1969-01-30 |
Family
ID=10057760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA42916A Pending DE1288220B (en) | 1962-04-19 | 1963-04-18 | Thread lubricant |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1288220B (en) |
GB (1) | GB1033735A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA35504C2 (en) * | 1999-10-22 | 2001-06-15 | Сергій Миколайович Александров | lubricant composition |
FR2813375B1 (en) | 2000-08-31 | 2003-06-20 | Vallourec Mannesmann Oil & Gas | THREADED ELEMENT FOR TUBULAR THREAD-RESISTANT THREADED JOINT |
WO2003102457A1 (en) | 2002-05-31 | 2003-12-11 | Sumitomo Metal Industries, Ltd. | Screw joint for steel pipe |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736700A (en) * | 1954-03-16 | 1956-02-28 | Jr Charles D Graham | Lubricant for cold drawing of thorium wire |
DE1003385B (en) * | 1955-12-10 | 1957-02-28 | Basf Ag | Lubricants and lubricants |
DE1057269B (en) * | 1953-09-21 | 1959-05-14 | Daimler Benz Ag | lubricant |
DE1090363B (en) * | 1958-09-26 | 1960-10-06 | Trafotherm Physikalische Werks | Mineral lubricating oil |
-
1962
- 1962-04-19 GB GB15358/62A patent/GB1033735A/en not_active Expired
-
1963
- 1963-04-18 DE DEA42916A patent/DE1288220B/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057269B (en) * | 1953-09-21 | 1959-05-14 | Daimler Benz Ag | lubricant |
US2736700A (en) * | 1954-03-16 | 1956-02-28 | Jr Charles D Graham | Lubricant for cold drawing of thorium wire |
DE1003385B (en) * | 1955-12-10 | 1957-02-28 | Basf Ag | Lubricants and lubricants |
DE1090363B (en) * | 1958-09-26 | 1960-10-06 | Trafotherm Physikalische Werks | Mineral lubricating oil |
Also Published As
Publication number | Publication date |
---|---|
GB1033735A (en) | 1966-06-22 |
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