Improvements in the Manufacture of Wheel Tire Bars and Apparatus therefor.
Year: 1887

page_text: Date of Application, 12th Mar., 1887.
Specification Accepted, 26th Apr., 1887
COMPLETE SPECIFICATION.
Improvements in the Manufacture of Wheel Tire Bars and
Apparatus therefor.
I, WILLIAM Fox, of 98 Caledonian Road, Leeds, in the County of York, Engineer,
do hereby declare the nature of this invention, and in what manner the same is to he
performed to be particularly described and ascertained in and by the following
statement.
My invention has for object the production by rolling, of a wheel tire-bar having at
both sides or edges thereof lateral projections and undulations such as referred to in
the Specification of a former Patent granted to me the 18th day of February 1886.
No. 2875. For this purpose I provide a short roll or plate upon each of two roll
axles, of cam-like configuration and so mounted that when the tire bar is to have a
serpentine configuration, the longer radii of one roll will as the rolls are rotated come
opposite to the shorter radii of the other roll of the pair, and at the respective ends of
these short rolls guides are provided which according to one arrangement are in the
form of dises of larger diameter than the roll located between them and are adjustable
as to their distance apart, but in some cases it may be found desirable to make such
guides or one of them and the roll as one piece.
The arrangement is such that a strip of metal of suitable width and thickness, for
the production of the required tire bar will by being caused to pass between the rolls
and guides whilst at a sufficiently high temperature he converted into a developed tire
bar of the required shape and thickness.
The rolls or cam-like rolling plates are changeable to suit the various breadths and
thicknesses of tire bars required to be produced, and any convenient number of
them with guides may be used in a single mill.
They may either be placed between a pair of housings of the mill or be arranged to
overhang as may be the more convenient.
Referring to the appended drawings Fig. 1. illustrates in front elevation (partly in
section) the application of my invention to a rolling mill, in other respects of ordinary
type. Fig. 2. is a transverse vertical section at line 1. 1. of Fig. 1. shewing in face
view a pair of cam-like rolls and two guide discs and illustrates the action of said rolls
upon a plain bar in producing my improved corrugated tire bar: a, is the foundation
D

page_text: or harness plate, b, b, are the housings, e, the roll axles each shown with a collar
at c², c', against which the guide dises and rolls are secured, d, d, the short cam-like
rolls between the guide discs, said rolls are made with paris d', of greater radius
so that their peripheries are of suitable configuration for producing the required form
of tire bar the parts d', of one roll being caused to travel opposite the parts d², of
the other.
For securing the respective rolls d, d, and guide discs e, upon their axles in such
manner that they may be readily changed to suit different tire bars to be produced
the following arrangement is adopted in the example illustrated. The roll axles e, are
each provided with two key grooves and the guide discs and rolls with corresponding
grooves, into these are inserted gib-ended keys, which not only act for driving the
dises and rolls, but being furnished with nuts, draw each set of discs and rolls into
close contact with each other and also against the collars on the respective axles
and determine their relative positions with each other. Fig. 3. shows the relative
positions of the cam-like rolls d,d, when it is required to produce a fire bar with
projections on one side opposite projections on the other the paris d' of one roll being
caused to travel opposite the parts d' of the other.
When is is required to change said discs and rolls the nuts g, are unturned, the gib-
keys taken out, the discs and rolls taken off, and replaced by others, is the bar of
metal under treatment.
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 whai l'claim is.
1. In apparatus for rolling wheel tire-bars with lateral projections and indentations
at the edges, a roll of cam-like configuration with paris d or greater radius than
other parts d², said roll being mounted upon an axle e, in combination with guides or
dises e, between which a strip or bar of metal can enter so as to have produced at its
edge by the operation of said roll an undulated form substantially as hercinabove
described.
2. In apparatus for rolling wheel tire bars with lateral projections and indentations
at both edges, the combination of two axles means for rotating same, and on each axle
a cam-like roll about equal in length to the thickness of tire bar to be rolled, and
having paris d, of greater radius than other parts d², a pair of guides or discs ., one
at each side of said roll, and means for securing said guides or discs and rolls together,
and upon their axles substantially as described for the purpose specified.
3. In apparatus for rolling wheel tire bars with lateral projections and indentations
at both edges, the combination of a rolling mill of ordinary type with double grooved
roll axles c, c, with collars e, the cam-like rolls d, guide discs, gib ended key-bolts
and nuts g, all substantially as described for the purpose specified.
Uatol this 19th IL 1887