Blow-Out Guard Page: 2 of 3
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ED STATESPATENT OFFICE.
ALFRED A. HOLLOMIAN, OF DALLAS, TEXAS.
BLOW-OUT GUARD.Specification of Letters Patent. Patented Nov. 3, 1914.
Application filed March 16, 1914. SerIal No. 824,849.To all whom it may concern:
Be it known that I, ALFRED A. HOLLOMAN,
citizen of the United States, residing at Dal-
las, in the county of Dallas and State of
Texas, have invented certain new and useful
Improvements in Blow - Out Guards, of
which the following is a specification.
My invention relates to a new and useful
blow-out guard for double tube tires, and its
object is to provide a split sleeve of suitable
material which may be interposed between
the inner and outer tubes of a pneumatic
tire, to reinforce an apertured or weakened
place in the outer tube or casing, prevent-
ing the inner tube from "blowing out" at
such a point.
It isa further object of the invention to
provide a blow out guard that may be very
quickly applied to the tire without the use
of special tools or mechanical skill, and
which will securely remain in its proper
place in the tire until manually removed.
Finally the object of the invention is to
provide a device of the character described,
that will be strong, durable, simple and effi-
cient and comparatively easy to construct.
With these and various other objects in
view, my invention has relation to certain
novel features of the construction and use,
an example of which is described in the fol-
lowing specification, and is illustrated in
the accompanying drawing, wherein:
Figure 1 is a. view showing in side eleva-
tion the application of my blow out guard
to a double tubed tire, the outer tube or cas-
ing being partially broken away to more
clearly illustrate the blow out guard. Fig.
2 is a view showing in side elevation the
blow out guard alone. Fig. 3 is a transverse
sectional view, taken upon the line x-x of
Fig. 1.
Referring now more particularly to the
drawing, wherein like reference characters
designate similar parts in all the figures, the
numerals 1 and 2 respectively denote the
outer and inner casings of an ordinary
double tube tire, and 3 denotes a split sleeve,
the longitudinal edges of which are slightly
spaced when said sleeve is made to embrace
the casing 2. The material composing the
sleeve 3 will preferably be a combination of
canvasand rubber such as will give great
strength without permitting the passage of
air. Within the sleeve, there is secured to
one of the longitudinal edges thereof a
tongue 4, which when the sleeve is inter-posed between the inner and outer casings
of a. tire extends across the gap between
the adjacent longitudinal edges of the
sleeve 3, counteracting the tendency of so
the inner casing to bulge through said gap
due to air pressure. It is preferred to
thicken the central portion of the tongue 4
as indicated at 4a, since said central portion
is exposed to the greatest pressure by the as
inflated inner tube. The tongue 4 may be
formed of similar material to that compos-
ing the sleeve 3.
Adjacent to one of the longitudinal edges
of the sleeve 3 there is exteriorly secured a 70
strip 5 of flexible material, preferably
leather, a row of stitching 5a being prefer-
ably employed to secure said strip to the
sleeve 3. The strip 5 projects slightly be-
yond the adjacent edge of the sleeve 3, and 75
is formed with a plurality of equidistant
loops 6. To the other longitudinal edge of
the sleeve there is exteriorly secured a strip
7 of flexible material, preferably leather, and
secured to the sleeve 3 preferably by a row so
of stitching 7a. In the strip 7 there are pro-
vided a plurality of slots 8, through which
the loops. 6 may be respectively passed as is
clearly shown in Fig. 1 of the drawing.
To one extremity of the strip 7 there is 85
riveted or otherwise secured a thong 9, which
after the loops 6 have been projected
through the slots 8 will be passed through
all of said loops, thus positively preventing
the withdrawal of the loops from the slots, 90
and holding the inner casing rmly em-
braced within the sleeve 3 when said cas-
ing is inflated.
By the use of the above described device
a weakened outer casing may be so rein- 95
forced that its period of usefulness will be
very much increased. The device can fur-
ther be used to great advantage to tempora-
rily repair a tire subsequent to a blow out,
the inner tube being patched in this case at 100
the point where it has given away, and mT
blow out guard being employed to protect
the patch until the outer casing can be vul-
canized at the weakened point.
The invention is presented as including io5
all such modifications and changes as prop-
erly come within the scope of the device as
claimed.
What I claim is:
1. In a blow out guard for pneumatic iio
tires, a flexible air proof sleeve split lon i-
tudinally, a flexible member folded upon it-1,115,540.
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Holloman, Alfred A. Blow-Out Guard, patent, November 3, 1914; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth857761/m1/2/?rotate=90: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.