Improvements in or relating to Tyres for Cycles, Motor Cars, and other Road Vehicles.
Year: 1896

page_text: Date of Application, 4th Dec., 1896
Complete Specification Left, 4th Oct., 1897-Accepted, 6th Nov., 1897
PROVISIONAL SPECIFICATION.
Improvements in or relating to Tyres for Cycles, Motor Cars, and
other Road Vehicles.
I, ALICE DENTON of Newbold, near Chester, in the County of Chester, do
hereby declare the nature of this invention to be as follows:-
This invention relates to tyres for the wheels of cycles and other road vehicles,
and has for its object to avoid the defect so objected to in pneumatic tyres,
namely, that they are liable to be punctured by nails, thorns and other sharp
articles met with on the surface of the road, and thus become for the time being
useless. The means hitherto adopted for endeavouring to prevent puncture of
the air tube are defective, in so far that they do not prevent the outer tread
or cover of the tyre from being cut or mutilated. My invention avoids this
defect.
In carrying the invention into effect, I provide a circumferential metallic rim
or cover, which, while being strong enough to resist puncture and the usual wear
and tear, is preferably flexible. This circumferential rim or cover is adapted
to go completely round the periphery of the wheel rim, leaving a space between
the two into which I insert a circumferential pneumatic cushion. This cushion
may be similar to the ordinary pneumatic tyres, or it may be simply an inflated
air tube, or a pneumatic tyre of any suitable kind, or springs may be used instead
of a pneumatic cushion. The outer circumferential tread or cover may be secured
in place by being fastened or coupled to the wheel rim, or the spokes might be
bifurcated and prolonged so as to hold it in place.
In use, the wheel revolves on the outer metallic circumferential tread or cover,
and the resilience is secured by inflating the pneumatic cushion or tyre which
is located between the cover and the rim, inflation being effected by means of a
pump and valve in the usual manner, thus securing the necessary resilience to
absorb vibration in riding the vehicle along a road, or where springs are em-
ployed, this inflation will of course not be necessary as a permanent resilient
tyre is provided without inflating at all. Should it be found that the outer
metallic cover or tread, when in use, causes any noise, it may be provided with a
slight coating of soft resilient substance, but I do not think this will be
necessary.
I have described the above way of carrying the invention into effect, but I
wish it to be understood that I do not confine myself to the exact details described.
Thus, for example, instead of making the outer cover or tread of metal, it may
be of celluloid or other suitable material combining lightness with the property
of being incapable of puncture.
Dated this 3rd day of December 1896.

page_text: Improvements in or relating to Tyres for Cycles, Motor Cars, and
other Road Vehicles.
I, ALICE DENTON of Newbold, near Chester, in the County of Chester, do
hereby declare the nature of this invention and in. what manner the same is
to be performed, to be particularly described and ascertained in and by the
following statement:
This invention relates to tyres for the wheels of cycles and other road vehicles,
and has for its object to avoid the defect so objected to in pneumatic tyres,
namely, that they are liable to be punctured by nails, thorns and other sharp
articles met with on the surface of the road, and thus become for the time being
useless. The means hitherto adopted for endeavouring to prevent puncture of
the air tube are defective, in so far that they do not prevent the outer tread
or cover of the tyre from being cut or mutilated. My invention avoids this
defect.
In carrying the invention into effect, I provide a circumferential rim
or cover, which, while being strong enough to resist puncture and the usual
wear and tear, is flexible. This circumferential rim or cover is adapted
to go completely round the periphery of the wheel rim, leaving a space between
the two into which I insert a circumferential pneumatic cushion. This cushion
may be similar to the ordinary pneumatic tyres, or it may be simply an inflated
air tube, or a pneumatic tyre of any suitable kind, or springs may be used instead
of a pneumatic cushion. The outer circumferential tread or cover may be secured
in place by being fastened or coupled to the wheel rim, or the spokes might be
bifurcated and prolonged so as to hold it in place.
In use, the wheel revolves on the outer circumferential tread or cover,
and the resilience is secured by inflating the pneumatic cushion or tyre which
is located between the cover and the rim, inflation being effected by means of a
pump and valve in the usual manner, thus securing the necessary resilience to
absorb vibration in riding the vehicle along a road, or where springs are em-
ployed, this inflation will of course not be necessary as a permanent resilient
tyre is provided without inflating at all.
The circumferential rim or cover may be of resilient metal or it may be
celluloid, leather, or other suitable material combining lightness with the pro-
perty of being incapable of puncture.
In the drawings,
Figure 1 is a cross section of my tyre, the outer cover in this case being
leather.
Figure 2 a front view of a segment thereof.
In these A is the outer circumferential rim or cover, B the wheel rim, C inner
air tube, D the spokes and E lacing whereby the cover is laced to the wheel
rim, and held in place thereon.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what I
claim is:
1. A pneumatic tyre having a flexible non-puncturable outer circumferential
rim or cover of leather, flexible metal, celluloid or the like adapted to form the
wheel tread and resist puncture.
2. A pneumatic tyre formed of a metal wheel rim, an outer cover of leather,

page_text: flexible or resilient metal, celluloid or the like, laced or otherwise fastened to
the wheel rim, and an inner inflatable air tube substantially as described.
Dated this 2nd day of October 1897.
WM. P. THOMPSON & Co.,
Of Liverpool, Manchester, Birmingham, and London, Patent Agents.