US Patent: 26,693
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| Lubricating Compound
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Patentee:
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| John B. McMunn (exact or similar names) - Port Jervis, Orange County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 03, 1860 |
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Joel Havens
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Description: |
| Abstract:
The nature of my invention consists in making a lubricating composition to be applied to the preventing of the rolling and sliding frictions in railroad-cars, steam-engines, and machinery of all kinds, and which, while it will economize power by so doing, will not gum, but keep the journals and axles clean and cool. The alkaline base of the composition is a solution of the carbonate of potassa in water, which unites and forms combinations with oleine and stearine the proximate acid principles of animal and vegetable oils and fats and tallow and with cerine-the acid principle of beeswax and myrtle-wax. In the process the oil and beeswax are first decomposed by being dissolved in the alkaline solution, which, being a strong base, displaces and sets free the glycerine the weaker natural base of oils, &c. and probably the myricine—the base of bees-wax—by the process of simple elective affinity, the result of which is that the alkali and the acids combine with one another in such pro- portions as they unite at the temperature of about 2000) Fahrenheit, and form a uniform saponaceous-like compound, which after standing in repose a few days, separates into two parts, one of which is a watery liquid known as under lye and contains the separated basis of the oil and some free potassa. This part subsides, and leaves the other as a homogeneous slippery feeling mass, consisting of the saline compounds of potassa and the ceric and fat acids in a state of thick solution. As the under lye is incompatible with the superincumbent mass, and will not readily unite with it without again separating, it is therefore rejected by being drained off or otherwise got rid of. The residual compound is then susceptible of being mixed with water, and may be thereby reduced to a thinner consistency, as desired for practical use |
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