Improvements in and relating to Wheel Tyres.
Year: 1894

page_text: Date of Application, 13th Nov., 1894
Complete Specification Left, 12th Aug., 1895-Accepted, 12th Oct., 1895
PROVISIONAL SPECIFICATION.
Improvements in and relating to Wheel Tyres.
I, JAMES ANDREW, of 160 West George Street, in the City and County of
Glasgow, Solicitor, do hereby declare the nature of my invention to be as
follows:-
This invention has reference to an improved construction of wheel tyre suitable
for cycles, cabs, or other road vehicles, and whereby slipping will be obviated, and
greater resiliency and increased speed obtained.
The improvements essentially consist in forming the tyre with one or more layers
or jackets of canvas, rubber or like material, each layer having cemented to it a
series of strips of rubber or like elastic material at short spaced distances apart.
As applied to the pneumatic tyre of a cycle, a layer or jacket of canvas would
by my improvements be cemented on its outer surface with a series of parallel
strips of rubber at short spaced distances apart. These parallel strips would be
placed diagonally or at an angle, and a corresponding series of parallel strips of
rubber would be placed in the opposite direction to diagonally cross the former
series forming as it were diamond or square shaped figures. The rubber strip
surface of the canvas would be cemented to the inner surface of the outer sheet
rubber tread cover, while the inner plain surface would be adjacent to the
pneumatic tube. In forming a stronger or more elastic tyre than the aforesaid,
an inner layer or jacket of canvas may be next the pneumatic tube and have its
outer surface cemented with the strips of rubber of either single diagonal, or double
diagonal to form diamond shape figures, or the outer surface of pneumatic tube may
have these parallel stips cemented to it. An outer or annular layer or jacket of
canvas or sheet rubber would have the parallel strips similarly cemented to it, and
the outer tread cover would be cemented to the latter.
W. R. M. THOMSON & Co.,
96 Buchanan Street, Glasgow, Agents.
COMPLETE SPECIFICATION.
Improvements in and relating to Wheel Tyres.
I, JAMES ANDREW of 160 West George Street in the City and County of
Glasgow, Solicitor, do hereby declare the nature of my invention, and in what
manner the same is to be performed to be particularly described and ascertained
in and by the following statement in writing, that is to say :-
•
This invention has reference to an improved construction of wheel tyres suitable
for cycles, cabs or other road vehicles. Heretofore it has been proposed to mould
or form on the tread part of the outer surface of the' cover of the tyre transverse
projections so as to avoid side slipping and puncturing; but my improvements are
designed to obviate slipping and in addition give great resiliency, and consequent
increased speed.
My improvements essentially consist in forming the tyre with one or more layers
or jackets of canvas, rubber or like material, inside the outer tread cover, each

page_text: layer having cemented to it a series of strips of rubber at short spaced distances
apart.
And in order that my said invention and the manner of performing or carrying
the same into effect or practice may be properly understood, I have hereunto
appended an explanatory sheet of drawings in which
Figure 1 is a longitudinal view in perspective of part of a tyre as constructed in
accordance with my improvements.
Figure 2 is a transverse section corresponding to Figure 1.
Figure 3 is a detached view to an enlarged scale showing duplex diagonal strips
of rubber as cemented to a backing of canvas for the purposes of my invention and
Figure 4 is a transverse section as taken on the line 3-3 of Figure 3.
Figure 5 is a view corresponding to Figure 3 but having a sheet of rubber or
like material cemented on the outer surface of the diagonal rubber strips to form
the cover tread surface of tyre.
Figure 6 is a transverse section as taken on the line 5-5 of Figure 5. While
Figure 7 is a corresponding view, showing the tyre as formed with two layers of
canvas or like material, having the diagonal rubber strips cemented thereto, all
within the outer tread cover.
Referring to these drawings: As applied to the pneumatic tyre of a cycle, as
shown in Figures 1 to 6 a layer or jacket a of canvas would by my improvements
be cemented on its outer surface with a series of parallel strips of rubber at short
spaced distances apart. These parallel strips b would be placed diagonally or at
an angle, and a corresponding series of parallel strips 6' of rubber would be placed
in the opposite direction to diagonally cross the former series b forming as it were
diamond or square shaped figures. The rubber strip surface b b' of the canvas a
would be cemented to the inner surface of the outer sheet rubber tread cover c
while the inner plain surface would be adjacent to the 'pneumatic tube d Figure 2
or alternately these diagonal stripped or diagonal figures bb' may be punched in
one piece or in sections out of a sheet of rubber and be then cemented on to the
canvas backing a.
In forming a stronger or more elastic tyre than the aforesaid, as shown in
Figure 7 an inner layer or jacket a¹ of canvas may be next the pneumatic tube d
and have its outer surface cemented with the strips of rubber of either single
diagonal or double diagonal bb to form diamond shaped figures. The outer
or annular layer or jacket a of canvas or sheet rubber would have the parallel
strips 66 similarly cemented to it, and the outer tread cover c would be cemented
to the latter.
It is found that when the outer layer a of canvas with the rubber strips bb has
a thin sheet of rubber or canvas cemented on the outside to form the tread cover
that these strips will show through and leave their diamond shaped impressions on
the cover to prevent slipping while the elasticity generated by these rubber
strips 66 applied! in the manner described will generate a maximum amount of
elastic or resilient action.
During the period of provisional protection I have also found that these diagonal
rubber strips when cemented on to a sheet of rubber and compressed together will
act as the outer tread part of tyre.
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: :-
First. The forming of wheel tyres with a layer of canvas, rubber or like
material within the outer tread cover having a series of strips of rubber cemented
on same, so as to give a resilient action to the tyre substantially as set forth.
Second. In wheel tyres as described in Claim 1 the forming of two or more
layers of canvas rubber or like material, cach with a series of diagonal or
transverse strips of rubber cemented on same, and all within the outer tread cover
of tyre substantially as set forth,

page_text: Third. The forming of wheel tyres of diagonal strips of rubber cemented and
compressed on to a backing of sheet rubber, substantially as set forth.
Dated the 10th day of August 1895.
W. R. M. THOMSON & Co.,
96 Buchanan Street, Glasgow, Agents.