Improvements in and relating to Pneumatic Tyres.
Year: 1893

page_text: Date of Application, 2nd Nov., 1893
Complete Specification Left, 31st July, 1894-Accepted, 8th Sept., 1894
PROVISIONAL SPECIFICATION.
Improvements in and relating to Pneumatic Tyres.
I, VIVIAN BOLTON DOUGLAS COOPER, of 5 Victoria Street, Westminster, in
the County of London, Electrical Engineer, do hereby declare the nature of
this invention to be as follows:-
My invention relates to an. improved construction of pneumatic tyre, and it
consists in forming in the outer face of a tubular cover for a pneumatic tyre one
or moro longitudinal slots or slits and in closing and covering the said slots or
slits with a band, the object being to provide a simple and ready means of gaining
access to the air tube and at the same time obviate the risks of puncture and side
slip.
I attain this end in the manner following:-I take a tubular cover made of
rubber reinforced with canvas in the well-known manner and I form at or about
the centre of its outer or running face one or more longitudinal slots or slits giving
access to the air tube within the covor, the said air tube being of the usual
construction either continuous or with closed ende.
Over the cover of the tyre I place a continuous band to close and seal the slots
or slits in the cover. This band may be made of rubber or leather or of a
combination of both. If it is made of rubber it is reinforced and rendered
circumferentially unstretchable by being backed with. strong canvas or by, having
an insertion of any suitable material. The band is preferably made of a slightly
smaller diameter than the cover of the tyre so that it has a slight restricting
action which causes it to closely grip the cover. The band may either be placed
over the outer face of the cover in which case it is preferably slightly shaped, or
the cover may be made with a recess to receive the band. The band. either
be entirely loose or it may be cemented or otherwise fixed to the cover between
the slots or slits, only such lengths heing left loose as will allow the band being
pushed aside when the tyre is deflated to expose the slots or slits in the cover..
may
To close the slots or slits in the cover they may either be Inced up in which
case the band may be plain, or the edges of the slots or slits may be made to
engage with the baud in any convenient manner to prevent the tyre spreading, at
the points where the slots or slits are cut or formed. I do not limit myself to any
particular size or length for the slots or slits as the most suitable, size and length
can only be determined by trial.
I prefer to make the encircling band of such an exterior shape as will best
overcome side slipping, and I also prefer to make it of such a material or
combinations of materials as will render it puncture-proof.
Dated this 27th day of October 1893.
.ROBT. ED. PHILLIPS, M.I.M.E.,
Consulting Engineer and Patent.Agent,
Chancery Lane, London, W.C., Agent for the Applicant.

page_text: Improvements in and relating to Pneumatic Tyres.
I, VIVIAN BOLTON DOUGLAS COOPER, of 5, Victoria Street, Westminster, in
the County of London, Electrical Engineer, 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 :-
My invention relates to an improved construction of pneumatic tyre and it
consists in forming in the outer face of a tubular cover for a pneumatic tyre one
or more longitudinal slots or slits and in closing and covering the said slots or
slits with a band, the object being to provide a simple and ready means of gaining
access to the air tube and at the same time obviate the risks of punctures and
side slip.
I attain this end in the mauner shown by the accompanying drawing in
which :-
Figure is a view in transverse section of a pneumatic tyre constructed
according to one form of my invention, and Figure 2 is a broken view in plan
thereof with the band removed.
.
Figure 3 is a view in transverse section of a pneumatic tyre showing another
form my invention may assume, and Figure 4 is a broken view in plan thereof with
the band removed.
Figures 5 and 6 are views in transverse section of other forms my invention may
assume.
Throughout the view similar parts are marked with like letters of reference.
In carrying my invention into practical effect I take a tubular cover A made
of rubber reinforced with canvas in the well-known manner, and I form at or
about the centre of its periphery or running face one or more longitudinal slots
or slits a giving access to the interior of the cover and therefore to the air tube B
within it, the said air tube being of the usual construction either continuous or
with closed ends.
Over the cover A on the periphery thereof is placed a continuous band C
preferably in the form of a ring to close and seal the slots or slits a in the cover.
This band may be made of rubber or leather or of a combination of both. If it
is made of rubber it is reinforced and rendered cirumferentially unstretchable by
being backed with canvas or other textile fabric, or by having an insertion D.of
any suitable material such as a steel band. The band C is preferably made of a
slightly smaller diameter than the outside of the cover A so that it has a slight
restricting action which causes it to closely grip the cover. The cover A may be
of the usual shape in case the band C is shaped to fit it as shown by Figure 1, or
it is made with a recess to receive the band as shown by Figures 3, 4, 5 and 6.
The band C may either be entirely loose or it may be cemented or otherwise fixed
to the cover A between the slots or slits a, only such lengths being left loose as
will allow the band being pushed aside when the tyre is deflated to expose the said
slots or slits in the cover.
To close the slots or slits in the cover they may either be laced up as shown
by Figure 1, or the edges of the slots or slits may be made to engage with the
band in any convenient manner to prevent the tyre spreading at the points
where the slots or slits are cut or formed: A convenient method of doing this is
to mount a series of small studs or hooks c on the insertion D in the band C and
to form eyelet holes al in the cover A on each side of the slots or slits a for the
said studs or hooks to engage with as shown by Figures 3 and 5, in which case a
flap a² of canvas or the like is provided on the inside of the cover to prevent the
heads of the said studs or hooks from chafing the air tube. As a modification

page_text: hooks.a' may be fixed to the edges of the slots or slits in the cover to engage
with hooks c.formed on or fixed to the insertion D. in- the band C, as shown.
by Figure 6.
I do not limit myself to any particular size or length for the slots or slits a, and
if desired one only may be used extending completely round the periphery of the
cover.
I prefer to make the band C with one or more ridges c' as shown by Figure 5 to
prevent side-slip and as a modification both the band C and the cover A may be
formed with ridges as shown by Figure 6.
To prevent puncture I prefer to make the insertion D in the band C take the
form of a thin flexible steel band.
The air tube B is provided with any suitable type of valve for inflation and
deflation.
The cover A of the tyre is fixed to an ordinary crescent shaped wheel rim by
cement in the well-known manner.
By lining the cover A with good rubber and by cementing or solutionizing the
band C on to the cover, the air tube B may be dispensed with, the valve for
inflation and deflation being attached directly to the cover A.
I wish it to be particularly understood that 1 do not limit myself to the precise
details of construction hereinbefore described and shown by the accompanying
drawing, but that I hold myself at liberty to make such changes and alterations as
fairly fall within the spirit and scope of my invention.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. The improved pneumatic tyre, substantially as hereinbefore described and
illustrated by the accompanying drawing.
2. A cover of a pneumatic tyre having one or more slits running longitudinally
round its periphery adapted to be closed by a band encircling the said cover, as set
forth.
3. A cover of a pneumatic tyre having one or more slits running circum-
ferentially round the periphery and having eyelet holes on each side thereof and
a band adapted to encircle the said cover and carrying studs or hooks to engage
with the eyelet holes therein, as and for the purposo set forth.
4. In a pneumatic tyre, the combination of the cover A having one or more
slits a in its periphery the edges of which are adapted to be laced together, and of
a band C adjusted to lie on the periphery of the cover and to cover the slit or slits
therein, as and for the purpose set forth.
5. In a pneumatic tyre, the combination of the cover A having-one or more
slits a in its periphery the edges of which are adapted to be laced together, of an
air tube B, and of a band C adapted to lie on the periphery of the cover and to
cover the slit or slits therein, as and for the purpose set forth.
6. In a pneumatic tyre, the combination of the cover A having one or more
slits a iu its periphery, and of a band C adapted to lie over the periphery of the
cover and engage with the sides of the slit or slits therein as and for the purpose
set forth:
7. In a pneumatic tyre, the combination of the cover A having one or more
slits a in its periphery, of an air tube B, and of a band C adapted to lie over the
periphery of the cover and engage with the sides of the slit or slits therein, as and
for the purpose set forth.
8. In the cover of a pneumatic tyre having one or more slits therein, the use of
a band such as C having a. puncture proof insertion such as D, as and for the
purpose set forth.
9. In the cover of a pneumatic tyre having one or more slits therein; the use of
a band such as C having a ridge such as c¹ running circumferentially round it, as
and for the purpose set forth.

page_text: 10. In the cover of a pneumatic tyre having one or more slits therein, the use of
a band such as Chaving a ridge such as and a puncture-proof insertion such
as D, as and for the purpose set forth.
Dated this 31st day of July 1894.
ROBERT E. PHILLIPS, M.I.M.E.,
70, Chancery Lane, London, W.C.,
Consulting Engineer and Patent Agent.