Compound for Closing Punctures in Pneumatic Tires. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
WILLIAM L. LYMAN, OF EAGLE PASS, TEXAS.
COMPOUND FOR CLOSING PUNCTURES IN PNEUMATIC TIRES.
SPECIFICATION forming part of Letters Patent No, 587,982, dated August 10, 1897.
Application filed October 11, 1895 Serial No, 565,384, (No specimens,)To all whom, it mnay concern: ,:
Be it known that I, WVILLIAM L. LYMAN, of
Eagle Pass, in the county of Maverick and
State of Texas, have invented a certain new
5 and useful Compound for Closing Punctures
in Pneumatic Tires; and I do hereby declare
the following to be a full, clear, and exact de-
scription of the invention, such as will enable
others skilled in the art to which it pertains
ro to make and use the same.
My invention relates to a liquid compound
for closing punctures in inflated wheel-tires.
The ingredients of which the compound is
composed are boracic acid, dextrine, gelatin,
15 gum-arabic, gum-mesquit, caramel, and wa-
ter. For about one quart of compound I pre-
fer to use five grains of boracic acid, one
ounce of dextrine, one ounce of gelatin, one
ounce of gum-arabic, seven ounces of gum-
20o mesquit, one-quarter ounce of caramel, and
sixteen ounces of soft water. I mix the in-
gredients in a quart-bottle and then let the
compound stand for twenty-four or thirty-six
hours until all the ingredients are dissolved,
25 whereupon the liquid is strained, after which
it is ready for use.
The application of liquid is as follows: The
liquid is injected into the tire by means of a
syringe through the valved hole with which
30 the tire is provided. A pump can be used in
place of a syringe. I would recommend the
injection of three ounces of the fluid into a
tire, and the valve is then replaced and the
tire inflated to its fullest extent, whereupon
35 the wheel to which the tire is attached is
turned round three or four times to afford a
good chance for the liquid to cover the inter-
nal surfaces of the tubular tire. When the
tire receives a puncture, the force or pressure
40 of air within the tire drives the fluid that
the tire contains into the puncture, and the
fluid thus driven into the puncture closes the
puncture.
The fluid is not volatile, and hence it will
45 remain in a fluid form nine or ten months,
and the fluid, should it become too thick, can
be brought to the proper state by adding
thereto one or two ounces of water.
I would here remark that the proportions
50 of the ingredients of the compound may bevaried more or less without departing from
the spirit and purpose of my invention that
comprises, broadly, a compound composed of
boracic acid, dextrine, gelatin, gum-arabic,
gum-mesquit, caramel, and suitable water, 55
mixedin approximately the proportions speci-
fled. I would also remark that a good com-
pound suitable for closing minute or small
punctures is formed by the substitution of
a suitable gummy substance-such, for in- 60
stance, as gum-arabic, dextrine, gelatin, and
gum-mesquit-for the gummy elements in-
cluded in the compound hereinbefore de-
scribed.
My improved liquid compound is elastic 65
after drying, will assist in the preservation
of the tire, and prevents the tire from harden-
ing. It does not stick to metal, and hence
will not stick or gum valves. Although the
compound dries and hardens to a certain ex- 70
tent upon its exposure to atmosphere and
light, the process of drying is very slow as
long as the compound is confined in darkness
within the chamber in the tire; but the elas-
ticity of the compound after drying prevents 75
cracking of the dried compound entering a
puncture and renders the compound particu-
larly well adapted for the work indicated.
The accompanying drawing shows a quan-
tity of the compound a within an inflated tire 80
b, that is shown in central section.
What I claim is-
1. A compound consisting of the following
ingredients and proportions: five grains of
boracic acid, one-quarter ounce caramel, six- 85
teen ounces water, and ten ounces of a gummy
substance, such, for instance, as dextrine,
gelatin, gum-arabic and gum-mesquit.
2. A compound composed of boracic acid,
dextrine, gelatin, gum-arabic, gum-mesquit, 90
caramel and suitable water, approximately in
the proportions specified.
In testimony whereof I sign this specifica-
tion, in the presence of two witnesses, this
18th day of September, 1895.
WILLIAM L. LYMAN.
Witnesses:
W. A. MITCHELL,
C. D. HARTUP.
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Lynman, William L. Compound for Closing Punctures in Pneumatic Tires., patent, August 10, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174694/m1/2/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.