Improvements in or relating to Pneumatic Tyres.
Year: 1894

page_text: Date of Application, 25th Apr.. 1894
Complete Specification Left, 25th Jan., 1895-Accepted, 16th Mar., 1995
PROVISIONAL SPECIFICATION.
Improvements in or relating to Pneumatic Tyres.
We, FRANCIS JOHN JOSEPH GLYNN of Saracen's Head Buildings, Snow Hill
in the County of Middlesex, Manager, and THE PALMER TYRE LIMITED of
15 Martineau Street, Birmingham, in the County of Warwick, do hereby declare
the nature of this invention to be as follows:-
This invention relates to pneumatic tyres especially for cycle wheels, the object
sought being to increase the speed and also perhaps to some extent to increase the
puncture-resisting qualities of the tyre. We carry out the invention as follows: —
The tyre may be of substantially ordinary construction say for preference the
well-known Palmer tyre, and upon the tread of this we vulcanise one or more
strips of rubber having secured in or upon them one or more threads or equivalent
the effect when the tread is completed being to provide around the outer circum-
ference of the tyre and as near the ground as possible a series of non-stretchable
threads extending circumferentially around the tread of the tyre so as to prevent
stretching at that part.
These threads may be applied in various ways, for example a single thread may
be lapped round and round the unvulcanised tyre the requisite number of times
and the rubber covering placed upon it and the whole vulcanised. Or the threads
may be applied in groups or sections. Or the threads may be laid direct upon the
tyre with their ends abutting against each other or slightly overlapping, the joints
of say one-third meeting at one part of the tyre, the joints of a second third at
another portion of the tyre and the joints of a third portion at another part of the
tyre. The threads and rubber may be of any suitable description or they may
consist simply of a strip of the well-known fabric of which the Palmer tyres are
commonly made, the fabric consisting of a strip of rubber with the parallel threads
embedded therein.
The above description would apply more particularly to a single wall tyre, but
where a separate air-tube and cover were employed the threads and rubber tread
would be applied to the cover instead of to the air-tube.
Dated this 25th day of April 1894.
W. P. THOMPSON. & BOULT,
Agents for the Applicants.
Improvements in or relating to Pneumatic Tyres.
We, FRANCIS JOHN JOSEPH GLYNN, of Saracen's Head Buildings, Snow Hill
in the County of Middlesex, Manager, and THE PALMER TYRE LIMITED, of
15 Martineau Street, Birmingham, in the County of Warwick, 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 pneumatic tyres especially for cycle wheels, the object
sought being to increase the speed and also perhaps to some extent to increase the
puncture-resisting qualities of the tyre. We carry out the invention in the manner

page_text: illustrated in the accompanying drawing which is a transverse section of one of
our improved tyres.
The tyre A as shown in the drawing may be of substantially ordinary construction
say by preference the well-known Palmer tyre, and upon the tread of this we
vulcanize one or more strips B of rubber (in the drawing we show one) having
secured in or upon them one or more threads or equivalent C the effect when the
tread is completed being to provide around the outer circumference of the tyre A
and as near the ground as possible a series of non-stretchable threads extending
circumferentially around the tread of the tyre so as to prevent stretching at
that part.
These threads may be applied in various ways, for example a single thread may
be lapped round and round the unvulcanized tyre A the requisite number of times
and the rubber covering placed upon it and the whole vulcanised.. Or the threads
may be applied in groups or sections. Or the threads may be laid direct upon the
tyre with their ends abutting against each other or slightly overlapping, the joints
of say one-third meeting at one part of the tyre, the joints of a second third at
another portion of the tyre and the joints of a third portion at another part of the
tyre. The threads C and rubber B may be of any suitable description or they
may consist simply of a strip of the well-known fabric of which the Palmer tyres
are commonly made, the fabric consisting of a strip of rubber with the parallel
threads embedded therein.
The above description would apply more particularly to a single tube tyre such
as shown in the drawing, but where a separate air-tube and cover were employed
the threads and rubber tread B would be applied to the cover instead of to the
air-tube.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed we declare that what
we claim is;-
1. The combination with a pneumatic tyre of one or more threads encircling it
at the exterior of the tread surface substantially as described.
2. The combination with a pneumatic tyre of one or more threads and one or
more strips of rubber encircling it at the exterior of the tread surface substantially
as described.
3. The combination with a pneumatic tyre of two or more threads encircling it
at the exterior of the tread surface the thread joints occurring at different parts of
the circumference substantially as described.
4. The pneumatic tyre substantially as described and illustrated in the
accompanying drawing.
Dated this 24th day of January 1895.