Improvements in or appertaining to Pneumatic and like Tyres.
Year: 1894

page_text: Date of Application, 3rd Feb., 1894
Complete Specification Left, 3rd Dec.. 1894-Accepted, 5th Jan., 1895
PROVISIONAL SPECIFICATION.
Improvements in or appertaining to Pneumatic and like Tyres.
I, PRESTON DAVIES, of Townmead Works, Wandsworth Bridge Road, Fulham,
in the County of Middlesex, Tyre Manufacturer, do hereby declare the nature of
this invention to be as follows:-
My invention has reference to the restraining or confining medium of the
inflatable tube of a pneumatic or like tyre.
"
In the Specification of former Letters Patent granted to me No. 16,973 dated
6th October 1891 there is described a mode of constructing a "jacket
with a
restraining medium composed of tape, webbing, ribbon or their equivalents
wound in a close flattened spiral form over suitably disposed metallic bands as
therein described, each succeeding turn of such spiral winding overlapping the
preceding one.
In constructing the confining medium of a solid-wall tyre or the restraining
medium of a compound tyre according to my present invention, I, instead of
employing one continuous length of tape or its above mentioned equivalents with
its spiral windings overlapping one another as described in my said Specification,
use several such lengths each separated a suitable distance from the neighbouring
turns resulting in the completed restraining or confining medium being reticulated
or formed with interstitial vacuities.
Between the decussations of tape or its equivalent thus formed I may solution-
not vulcanize-a thin sheet of suitable india rubber or other material and other
sheets of similar material may be solutioned to either one side or both sides of the
tape or its equivalent.
In carrying out my present invention I may form the said spiral windings
simultaneously over rigid metallic bands as described in my said Specification and
to render the same more easy to accomplish and to prevent the several long
lengths of tape or its equivalent employed becoming entangled with one another
I may first wind such tape on reels which are threaded axially and are designed to
revolve upon a spindle. This spindle terminates in suitably formed handles
and the reels may be maintained in position the requisite distance apart and
means may be provided to check or regulate their rate of unwinding. The
operation of winding will then be the same as when only one continuous length of
tape is employed.
Dated this 3rd day of February 1894

page_text: Improvements in or appertaining to Pneumatic and like Tyres.
I, PRESTON DAVIES, of Townmead Works, Wandsworth Bridge Road, Fulham,
in the County of Middlesex, Tyre Manufacturer, 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 has reference to the restraining or confining medium of the
inflatable tube of a pneumatic or like tyre. '
"
In the Specification of former Letters Patent granted to me No. 16,973
lated 6th October 1891 there is described a mode of constructing a "jacket
with a restraining medium composed of tape, webbing, ribbon or their equivalents
wound in a close flattened spiral form over suitably disposed metallic bands as
therein described, each succeeding turn of such spiral winding overlapping the
preceding one.
In constructing the confining medium of a solid-wall tyre or the restraining
medium of a compound tyre according to my present invention, I, instead of
employing one continuous length of tape or its above mentioned equivalents with
its spiral windings overlapping one another as described in my said Specification,
use several such lengths each separated a suitable distance from the neighbouring
turns resulting in the completed restraining or confining medium being reticulated
or formed with interstitial vacuities.
Between the decussations of tape or its equivalents thus formed I may solution-
not vulcanize-a thin sheet of suitable indiarubber or other elastic material and
other sheets of similar material may be solutioned to either one side or both sides
of the tape or its equivalents.
The accompanying drawings illustrate my invention.
I may form the said spiral windings as shown in Figure 1 simultaneously over
rigid metallic bands A as described in my said prior Specification. The drawing
shows five such windings marked with the numerals 1 to 5 but neither wish to
limit myself to that number, nor the pitch of winding, nor the area of interstitial
vacuity shown, as the same may vary considerably. To render the forming of the
spirals more easy and to prevent the several long lengths of tape or its equivalents
employed becoming entangled with one another, I may first wind such tape on
reels which are threaded axially, and designed to revolve, upon a spindle. This
spindle terminates in suitably formed handles and the reels may be maintained
in position the requisite distance apart and means may be provided to check
or regulate their rate of unwinding in any well-known way. The operation of
winding will then be the same as when only one continuous length of tape is
employed.
The band so constructed forms the lining for the usual rubber cover of the
tyre and, the interstitial vacuities being filled in with a film of rubber or other
elastic material, the result in use is similar to when a net-like medium as described
in the Specification of former Letters Patent granted to me No. 11,006 dated
6th June 1893 is used, but my present construction is stronger and adapted for use
where my former invention would be inapplicable.
An alternate and sometimes preferable mode of constructing a restraining or
confining medium such as hereinbefore described is illustrated in Figures 2 and
and consists in producing after the fashion of forming a fabric, a width consisting
of numerous parallel tapes B or their equivalents preferably with weft threads C
only for the purpose of maintaining the tapes in position during manufacture. This
may be carried upon a foundation of rubber or other elastic material. A corner a-b
of the width having been cut off, widths D about double that of the completed
band may be cut off on the bias and folded as shown in Figure 3 either with the

page_text: rubber foundation inside or outside or otherwise so that a lattice is formed. It will
be seen that the result attained is then the same as is described with reference to
Figure 1.
9
When intended to be used for a "wired-on tyre, pockets may be formed with
or inserted in the edges; and for a single tube tyre the width may be formed into a
tube in the well-understood way.
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. For a pneumatic tyre or the like, the manufacture of a restraining or confining
medium with tapes or their equivalents in such manner that interstitial vacuities
for the purposes set forth are formed therein.
2. A restraining or confining medium of a pneumatic tyre and the like consisting
of a series of parallel tapes or their equivalents in combination with a foundation
of rubber or other elastic material folded substantially as and for the purposes set
forth.
Dated this 3rd day of December 1894
A. F. SPOONER,
124, Chancery Lane, W.C., Agent for the Applicant.