An Improvement Applied to Pneumatic Tyres, and Wheel Rims for the same, to Prevent Slip or Creeping.
Year: 1892

page_text: Date of Application, 8th Oct., 1892
Complete Specification Left. 5th July, 1893-Accepted. 26th Aug., 1893
PROVISIONAL SPECIFICATION.
An Improvement Applied to Pneumatic Tyres, and Wheel Rims for
the same, to Prevent Slip or Creeping.
CHARLES THOMAS AUSTEN 2 Craythorn Street Lewisham S.E. in the County
of Kent Cycle Engineer do hereby declare the nature of this invention to be as
follows:-
I claim for my invention, that by corrugating the whole or part of the rim, &
the whole, or part of the inside of the outer covering of tyre, (both of which can
be used together or separately as deemed advisable) or by means equivalent to a
corrugated surface, such as a series of projections, so as to present an uneven
surface to the air tube, so that when the air tube is inflated, the necessary grip is
obtained, thereby preventing the slip or creeping, which at present takes place
through the air tube, & outer covering being snooth & free to slip or creep
against the rim & one another when the twisting strain or propelling force is
applied to the wheel, & the periphery of the wheel meets with the resistance caused
by the contact with the road.
Dated this 7th day of October 1892.
CHARLES THOMAS AUSTEN.
COMPLETE SPECIFICATION.
An Improvement Applied to Pneumatic Tyres, and Wheel Rims for
the same, to Prevent Slip or Creeping.
CHARLES THOMAS AUSTEN of 2 Craythorn Street Lewisham in the County
of Kent, Cycle 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 improvements in pneumatic tyres more particularly to
those consisting of an air tube & outer covering commonly known as a double
tube tyre.
Heretofore such tyres known as double tube pneumatic tyres, have been found
to slip or chafe inside one another and cause unnecessary wear & the outer cover
to creep on the rim thereby also causing chafing.
The object of my invention is 1st to cause the air or inflatable tube when
inflated Fig. 1 G to grip the outer cover and parts where the slip takes place,
these parts I previously line with a corrugated band or lining which may be of
rubber, or canvas woven to the desired form or other suitable flexible material & of
approved form, the corrugations are laid preferably in a transverse direction to
the rim, the air tube when inflated moulding itself to these corrugations. Secondly,
I also place a strip of this corrugated lining around the rim to which I attach it
by suitable means as flexibility is not essential to the corrugated lining around the
I may use steel iron or any other metal or alloy of metal for this lining, but
preferably I use rubber or canvas as heretofore mentioned thereby forming an
additional grip for the air tube, and outer cover, thereby further preventing the
chafing or creeping, if found advisable the corrugations may be rolled in the rim
during the process of manufacture, thereby taking the place of the strip of
corrugated lining placed around the rim.
rim.
In order that my invention and the manner in which I attach it to pneumatic

page_text: tyres and wheel rims for same or form it therewith during the process of con-
structing same may be clearly understood I have appended the accompanying sheet
of drawings.
Fig. 1 is a longitudinal section of part of an ordinary velocipede tyre and rim
fitted or provided with my corrugated strip, band, or lining as fixed or attached
to a finished pneumatic tyre covering. C shows the air tube pressed into the
corrugations of lining when inflated. A is the outer cover. B corrugated lining.
C air tube. D wheel rim. E corrugations in the wheel rim. F spokes of
wheel.
Fig. 2 is also a longitudinal section of part of a velocipede tyre & rim showing
the said corrugated strip band or lining moulded on the inside of covering of tyre in
the process of manufacture.
In carrying my invention into effect.I provide a thin flexible strip band or lining
of suitable width Fig. 1. B with the said corrugated or uneven surface moulded
thereon as fixed or attached to the inside of the outer cover A of a finished tyre,
which may be of rubber canvas woven to present a similar corrugated or uneven
surface or by any known means adapted for the purpose.
In adapting my invention to pneumatic tyres during the process of their con-
struction, as Fig. 2, I cause to be moulded stamped cast or rolled or by pressing
the inside of the outer covering of tyre, whereby the said corrugated or uneven
surface B is produced, or I preferably place, the lining strip or band, with the
corrugated surface moulded thereon on the inside of the outer covering of tyre, and
vulcanize or otherwise incorporate therewith during the process of manufacture,
or adopt any known means for the purpose, whereby the said corrugated or uneven
.surface can be produced. I am perfectly well aware that from experience, that it
is almost impossible to puncture an air tube when my corrugated lining is used
between the outer cover & the air tube.
I do not claim as part of my invention the construction of pneumatic tyres &
rims generally although in Fig. 1 & 2 I have shewn a section of part of a complete
wheel rim & tyre, this being simply to illustrate the application of my corrugated
lining to such tyres & rims.
Having now particularly described and ascertained the nature of my said
invention & in what manner the same is to be performed I declare that what I
claim is
1st. In a new method for preventing slip or creeping in pneumatic tyres the
use & application of a flexible band strip or lining with a corrugated or uneven
surface as attached to a finished tyre Fig. 1 herein described and shewn by the
accompanying drawings.
2nd. In a new method for preventing slip or creeping in pneumatic tyres, the
use & application of a corrugated or uneven surface which I mould on the inside
of the outer covering of tyre during the process of manufacture or preferably a
band strip or lining of corrugated or uneven surface, vulcanized or otherwise
incorporated therewith during the process of manufacture Fig. 2 B for the purpose
herein described and shewn by the accompanying drawings.
Dated this 5th day of July 1893.
CHARLES THOMAS AUSTEN.