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UNITED STATES PATENT OFFICE
EDWARD S. MARSHALL AND ROBERT W. SAVAGE, OF TYLER, TEXAS.
LUBRICANT.
5PECIFICATION forming part of Letters Patent Nc. 339,200, dated April 6, 1886.
Application filed January , 1886. Serial No. 187,41561 (o specimens.)To all wzhom, it m7ay concern:
Be it known that we, EDWARD S. MAIR-
SHIALL and ROBERT W. SAVAGE, both citizens
of the United States, residing at Tyler, in the
5 county of Smith and State of Texas, have in-
vented certain new and useful Improvements
in Lubricants, and in the process of obtaining
the same; and we do hereby declare that the
following is a clear and full description there-
1o of, sufficient to allow those skilled in the art
to which it appertains to make and use the
same.
The lubricant obtained by us by the herein-
described process consists, first, of a gelatinous
15 and fibrous material intermixed with crude or
refined animal, mineral, or vegetable oils, and
forming a substantially homogeneous mass
suitable without the addition of waste or other
foreign material for use as a "dope" or
20 " packing," so called, in railway-journals or
packing-boxes and other like purposes; and,
second, of a gelatinous material intermixed
with crude or refined animal, mineral, or
vegetable oils, forming a lubricant to be used
25 in the ordinary manner.
The process by which we obtain the above-
named lubricants is, first, the cactus-plant,
from which we obtain that portion of our im-
proved lubricant above referred to in the
30 terms "gelatinous" and "fibrous," is freed
from its thorns by the application of heat, or,
if preferred, by the use of acids or alkalies;
second, the stalk and branches of said cactus-
plant are sliced or cut into small pieces or
35 portions, (or it may be crushed by passing it
through rollers;) third, the crushed or cut
cacti are placed in a tub or vat containing
either an animal, mineral, or vegetable oil. It
is immaterial whether the animal or vegetable
40 oil contained in said tubs or vats before the
introduction or placing therein of the cut or
crushed cacti is in a crude or refined condi-
tion, solong as said animal and vegetable oils
are suitable by themselves to be used as a ln-
45 bricant for the purpose desired.
For railway purposes we prefer to use vege-
table or mineral oil in its crude condition in
the manufacture of our lubricant; but the kind
of oil used and its condition,whether crude or
So refined, is not a material part of our process of
manufacturing such lubricant, the main pur-pose of the use of oil therein being to preserve
for a longer time than could be done without
such oils the gelatinous and fibrous material
from decay or other injurious change, and 55
therefore the quality of the oil used, the kind,
and its condition is a matter controlled entire-
ly by the purpose and use to which our lubri-
cant is intended to be adapted, any and all
oils, either mineral, vegetable, or animal, in a Co
crude or refined condition, being adapted to a
greater or less extent to act as such preserva-
tive, and any of said oils used by us being also
and further adapted to act as a lubricant.
The cnt or crushed cacti are allowed to re. 65
main in the tubs or vats a sufficient length of
time to reduce the whole mass into a homo-
geneous mass, or substantially so, when the
same is ready for use.
If the lubricant obtained by us in our here- 70
in-described process is desired for immediate
use, the gelatinous and fibrous material ob-
tained from the cut or crushed cacti may'e
placed in a tub and allowed to remain until
the same has become sufliciently homogeneous 75
before the addition of the oil thereto, and the
length of time required for such cut or crushed
cacti to become such intermixed fibrous and
gelatinous mass is controlled to a considera-
ble extent by the temperature of the place or Eo
room containing said tubs and contents, after
which the oil is added thereto. It is not es-
sential that any given amount of either of the
ingredients of our improved lubricant be used
therein, or that anygiven proportion of said 85
ingredients be so intermixed, as described.
To produce a lubricant consisting of the
gelatinous product named herein and oil, an
additional step is required-naely, to sepa-
rate by pressure the gelatinous and fibrous 90
materials heretofore named obtained from the
said cacti; and when it is desired to secure
such lubricant so freed from the fibrous por-
tion of said cacti we prefer to separate the
fibrous and gelatinous portions thereof before 95
the addition or mixture of the oil thereto. It
is evident that it will be necessary, when the
lubricant is to be free from the fibrous portion
of said cut or crushed cacti, to allow the said
cacti to remain in said tubs or vats until the oo
said products of said eactii have become suffi-
ciently separated the one from the other, and
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Marshall, Edward S. & Savage, Robert W. Lubricant, patent, April 6, 1886; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth171229/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.