Improvements relating to Pneumatic Tyres for Vehicle Wheels.
Year: 1892

page_text: Date of Application, 19th Nov., 1892.
Complete Specification Left, 18th Aug., 1893-Accepted, 23rd Sept., 1893
PROVISIONAL SPECIFICATION.
Improvements relating to Pneumatic Tyres for Vehicle Wheels.
We, CHARLES KINGSTON WELCH, The Hollies, Eaton Road, Coventry, in the
County of Warwick, Engineer, and HARVEY DU CROS Chairman of the
Pneumatic Tyre and Booth's Cycle Agency Limited of Oriel House, Westland
Row, Dublin in the County of Dublin, Ireland, do hereby declare the nature of
this invention to be as follows:-
Our invention relates to pneumatic tyres for vehicle wheels, and has for its object
to prevent what is known as "side slip" of such tyres.
It is known that a band of webbing or canvas secured longitudinally on the
outer circumference of the tread portion of the tyre will reduce side slip but the
lapped or butt joint at the end of the strip causes trouble inasmuch as there is a
great tendency for the strip to gradually separate from the tyre.
The chief feature of our invention relates to the provision of an endless band or
strip of canvas or the like secured to the outer circumference of the tyre in any
suitable manner.
According to one method of carrying our invention into practice, we form a
woven tube of canvas or other suitable fabric of the same diameter as the cycle
wheel on which the strip is to be fitted. This tube we then coat with india-rubber
solution and after the solution has dried we cut it transversely so as to form endless
rings of rubber-coated canvas of suitable width. It will be seen that the weft of
the fabric forms the longitudinal threads of the endless strip or ring, the warp
forming the short transverse threads. The edges of the strip are prevented from
unravelling by means of the india-rubber with which the said strip is coated. The
strip is secured to the periphery of the wheel by means of solution or by other
suitable means.
For instance we sometimes arrange that the endless strip shall be
a little smaller than the periphery of the wheel when the tyre is inflated, and
secure the same thereto by first deflating the tyre and placing the strip in position
thereon, and then gradually inflating the tyre which expands against the strip until,
when the tyre is fully inflated, the strip is held quite firmly. In attaching a strip
to a tyre by this latter method we sometimes use india-rubber solution to render it
more secure. We sometimes vulcanize the endless strip to the outside of the
tyre cover.
The endless strip which we use may be made otherwise than by the method of
first weaving a tube as herein above mentioned, but we generally prefer to make it
in the manuer described.
A tyre fitted with an endless strip as above indicated slips very little and is less
liable to puncture. Moreover since the strip is woven endless there is no tendency
for the same to unravel or become detached from the tyre even when the brake is
applied.
Dated this 10th N-1000
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicants.
COMPLETE SPECIFICATION..
Improvements relating to Pneumatic Tyres for Vehicle Wheels.
We, CHARLES KINGSTON WELCH, The Hollies, Eaton Road Coventry, in the
County of Warwick, Engineer, and HARVEY DU CROS Chairman of the
Pneumatic Tyre and Booth's Cycle Agency Limited of Oriel House, Westland

page_text: Row, Dublin, in the County of Dublin, Ireland, 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 :-
.
Our invention relates to pneumatic tyres for vehicle wheels, and has for its object
to prevent what is known as "side slip" of such tyres.
It is known that a band of webbing or canvas secured longitudinally on the outer
circumference of the tread portion of the tyre will reduce side slip but the lapped
or butt joint at the end of the strip causes trouble inasmuch as there is a great
tendency for the strip to gradually separate from the tyre.
.
The chief feature of our invention relates to the provision of an endless band or
strip of canvas or the like secured to the outer circumference of the tyre in any
suitable manner.
In the accompanying drawings,
Figure 1 shows a wheel provided with our improvement.
Figure 2 shows the endless band of woven fabric hereinafter described.
In carrying our invention into practice, we form a woven tube of canvas or other
suitable fabric of the same diameter as the tyre A of the cycle wheel B on which
the strip is to be fitted. This tube we then coat with india-rubber solution and
after the solution has dried we cut it transversely so as to form endless rings or
bands C of rubber coated canvas of suitable width, one such ring being shown in
Figure 2. It will be seen that the weft of the fabric forms the longitudinal threads
of the endless strip or ring, the warp forming the short transverse threads. The
edges of the strip are prevented from unravelling by means of the india-rubber
with which the said strip is coated. The strip is secured to the periphery of the
tyre by means of solution or by other suitable means. We sometimes arrange that
the endless strip C shall be a little smaller than the periphery of the tyre when the
said tyre is inflated, and secure the same thereto by first deflating the tyre and
placing the strip in position thereon, and then gradually inflating the tyre which
expands against the strip until, when the tyre is fully inflated the strip is held quite
firmly. In attaching a strip to a tyre by this latter method we sometimes use
india-rubber solution to render it more secure. We sometimes vulcanize the
endless strip to the outside of the tyre cover. A tyre fitted with an endless strip
as above indicated slips very little and is less liable to puncture. Moreover since
the strip is woven endless there is no tendency for the same to unravel or come
detached from the tyre even when the brake is applied.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is
-
In a wheel, the combination of a pneumatic tyre, and an endless ring made of a
woven fabric secured to the outside of said tyre and forming the tread portion
thereof, and with or without a coating of india-rubber solution for said woven
fabric, substantially as described for the purpose specified.
Dated this 18th day of August 1902
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicants.