Improvements in Apparatus for Use in the Manufacture of Built-up Articles, such as Wheels for Railway Vehicles.
Year: 1894

page_text: Date of Application, 27th Jan., 1894
Complete Specification Left, 29th Oct., 1894-Accepted, 1st Dec., 1894
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Use in the Manufacture of Built-up
Articles, such as Wheels for Railway Vehicles.
We, JOSEPH MITCHELL, of The Mining Offices, Regent Street, Barnsley, in
the County of York, Civil and Mining Engineer, and FREDERICK GONNER
WORTH, of 12 Upper Phillimore Place, Kensington, in the County of London,
Gentleman, do hereby declare the nature of this invention to be as follows :-
This invention has reference to a construction of apparatus with adjustable
burners adapted to heat simultaneously to a welding temperature the juxta-posed
spoke ends, portions of rim and filling piece or glut preparatory to connecting
together and to the rim by welding, one pair of spokes or a double or other spoke
or the parts necessary for similarly connecting each of several pairs or double
spokes together and to the corresponding portion of wheel rim, the arrangement
being such that the same apparatus can be used for heating the parts of wheels or
like built-up articles of various sizes as will be hereinafter described.
Apparatus for this purpose according to this invention, comprises a vertically
adjustable support or carrier adapted to support the article or compound parts,
portions of which are to be heated, a bed or slide having the form of an arc of a
circle, arranged in a vertical plane or approximately so this being supported by
suitable standards or supports and mounted so as to be capable of adjustment upon
the said bed or slide in a circular direction, and of being fixed in any desired
position, a movable saddle or saddles, on which or each of which is mounted in
suitable guides, (whereof the centre line forms a radial line to the centre of the
circular bed or slide) an adjustable carriage provided with three or other required
number of burners or sets of burners or gas fires and adapted to be moved towards
or from the centre of the circular bed or slide in order to suit wheels or articles of
various diameters. The arrangement when using three or more burners or sets of
burners or fires is such that the flame from one burner or set of burners or fire on
the adjustable carriage (or each of them if there be more than one) can be caused
to impinge directly onto the peripheral portion of the partly formed wheel and
filling or glut piece, whilst the flames from other burners or gas fires are directed
against opposite sides or other parts of the partially formed wheel acting on the
spoke ends filling or glut piece, and portions of rim.
To enable the partially formed wheel or article to be got into and out of heating
position the burner or burners or fires for heating the one side are so mounted that
they can be turned out of the way; in our arrangement each of these burners or
sets of burners or fires is caused by a lever pivoted or otherwise applied to the
carriage that carries the other burners or sets of burners or fires for acting on the
same parts of the wheel, a counterweight being provided on such lever.
Means may be provided to ensure that the gas supply to the burners or fires
shall automatically be wholly or partially cut off, when the swinging burners or
fires are moved out of position for use, and again turned on when the said burners
or fires are returned into position for use. This may be effected by suitably
connecting the before mentioned levers with the gas supply cocks so as to operate
these cocks in the desired manner when the levers are moved.
Dated this 97th day of January 1894

page_text: Improvements in Apparatus for Use in the Manufacture of Built-up
Articles, such as Wheels for Railway Vehicles.
.
We, JOSEPH MITCHELL, of The Mining Offices, Regent Street, Barnsley, in
the County of York, Civil and Mining Engineer, and FREDERICK GONNER
WORTH, of 12 Upper Phillimore Place, Kensington, in the County of London,
Gentleman, 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 has reference to a construction of apparatus with adjustable
burners adapted to heat simultaneously to a welding temperature the juxtaposed
spoke ends, portions of rim, and filling piece or glut preparatory to connecting
together and to the rim by welding, one pair of spokes or a double or other spoke
or the parts necessary for similarly connecting each of several pairs or double
spokes together and to the corresponding portion of wheel rim, the arrangement
being such that the same apparatus can be used for heating the parts of wheels or
like built-up articles of various sizes as will be hereinafter described.
Apparatus for this purpose according to this invention, comprises a vertically
adjustable support or carrier adapted to support the article or compound parts,
portions of which are to be heated, a bed or slide having the form of an arc of a
circle, arranged in a vertical plane or approximately so, this being supported by
suitable standands or supports, and mounted so as to be capable of adjustment upon
the said bed or slide in a circular direction, and of being fixed in any desired
position, a movable saddle or saddles, on which, or each of which, is mounted in
suitable guides, (whereof the centre line forms a radial line to the centre of the
circular bed or slide) an adjustable carriage provided with three or other required
number of burners or sets of burners or gas fires and adapted to be moved towards
or from the centre of the circular bed or slide in order to suit wheels or articles of
various diameters. The arrangement when using three or more burners or sets of
burners or fires is such that the flame from one burner or set of burners or fire on
the adjustable carriage (or each of them if there be more than one) can be caused
to impinge directly onto the peripheral portion of the partly formed wheel and
filling or glut piece, whilst the flames from other burners or gas fires are directed
against opposite sides or other parts of the partially formed wheel acting on the
spoke ends, filling or glut piece, and portions of rim.
To enable the partially formed wheel or article to be got into and out of heating
position, the burner or burners or fires for heating the one side, are so mounted
that they can be turned out of the way; in one arrangement each of these burners
or sets of burners or fires is carried by a lever pivoted or otherwise applied to the
carriage that carries the other burners or sets of burners or fires for acting on the
same parts of the wheel, a counterweight being provided on such lever.
Means may be provided to ensure that the gas supply to the burners or fires
shall automatically be wholly or partially cut off, when the swinging burners or
fires are moved out of position for use, and again turned on when the said burners
or fires are returned into position for use. This may be effected by suitably
connecting the before mentioned levers with the gas supply cocks so as to operate
these cocks in the desired manner when the levers are moved.
In the accompanying illustrative drawings,
Fig. 1 shows in front elevation, an apparatus according to this invention
furnished with two adjustable carriages, each provided with three burners;
Fig. 2 is a side elevation of the same with one of the carriages in its highest

page_text: position, the other carriage and its appurtenances being
bed or slide on which the adjustable carriages and their saddles are mounted, being
shown in section ;
Fig. 3 is a detail view hereinafter referred to;
Fig. 4 is a longitudinal vertical section, and
Fig. 5 a plan, showing to a larger scale, one of the burners, hereinafter called
for distinction the top burners, when in the position shown in Fig. 2;
Fig. 6 is a horizontal section, and
Fig. 7 a side elevation, showing also to a larger scale, one of the burners
hereinafter called for distinction the side burners.
On a foundation plate 1 are fixed by means of tee-headed bolts 2, that are
movable in tee-shaped grooves 3, in the plate 1, two metal blocks 4, the upper
surfaces of which are inclined and serve as supports for carrying the partly formed
wheel 5, which is shown in position for being heated, the arrangement being such
that by suitably moving the said blocks or supports longitudinally on the base
plate, they are adapted to adjust wheels or wheel centres of various diameters in a
vertical direction in order to support the same centrally with regard to the circular
bed or slide 6. Or a single block or support that is itself capable of being
adjusted vertically may be used, but the arrangement shown is preferred as being
simpler.
The circular bed or slide 6 (hereinafter called the slide) is carried on standards
or supports 7 secured to the foundation plate 1 by bolts 8.
On the slide are mounted two saddles 9 that are provided with guides 10 and
are capable of being fixed in any desired position on the slide by bolts that pass
through separate plates 11, which can thereby be tightened upon projecting guide
portions 12 of the slide 6, so as to firmly hold the saddles in place. To enable
each saddle to be readily moved along the slide 6, after the corresponding plates 11
have been loosened, the slide 6 is provided with holes 13 for the reception of pinch
or crow bars which can then be caused to bear upon the saddle and force it into
the desired position. Each saddle 9 is provided with guides 14, the centre line
between which forms a radial line to the centre of the circular slide 6, and on which
is mounted a carriage 15 that is capable of being moved towards or away from the
wheel 5 as required, by a screw 16 and of being fixed in position by bolts 17. On
the face of each carriage 15 is secured a burner 18 (hereinafter called the top
burner) the flame from which is adapted to impinge on the peripheral portions of
the partly formed wheel 5 and the filling piece or glut 19, (hereinafter called, for
brevity, the glut).
The carriage 15 also carries a burner 20 (Fig. 2) (hereinafter called the back
burner) adapted to heat the rear sides of the wheel rim and glut; and also a front
burner 21 for heating the front portions of the rim and glut the back burner being
secured to the rear side of the top burner, and the front burner being mounted on
a bent lever 22 provided with a counterweight 23 and pivoted on a stud 24
projecting from a bracket 25 secured to the carriage 15, so as to permit of the
front burner being turned down out of the way to enable the partly formed wheel
to be got into and out of heating position. The bolts for securing the front
burner 21 to the lever 22, pass through slots 25 (see Fig. 6) in the former in order
to render it adjustable across the lever 22 to suit various widths of wheel rims.
Air and gas is supplied to the burners of each carriage 15 through two separate
mains 26 and 27 which are each provided with three branches 26 and 27*
respectively; one of the branches 26ª of one of the air pipes 26, communicates
through a flexible pipe (not shown) with the air-inlet pipe, 28, (Fig. 4) of the
corresponding top burner 18, another with the air-inlet pipe 29 of the back
burner 20 (Fig. 2), and the third with the air-inlet pipe 30 of the front burner 21,
(Figs. 2 and 6), and the branches 27" of the gas main communicate similarly with
the gas-inlet branches 31, 32, and 33 of the top, the back, and the front burners
respectively. In the gas and the air mains 26 & 27 there are inserted in suitable

page_text: positions, shut off cocks 34 (Fig. 1) each of which is provided with an arm 35 fixed
on the squared end of its plug and connected by a link 36 with the corresponding
bent lever 22, the arrangement. being such that when a front burner, 21 is in the
position shown at the left-hand portion of Fig. 1 the corresponding air and gas
cocks 34 are closed but that movement of the burner 21 from this position into
that shown at the right-hand portion of Fig. 1 will cause the said cocks to open
simultaneously and allow air and gas to pass to the corresponding burners.
Each top burner comprises, as shown in Figs. 4 and 5, external metallic plates 37
secured at their upper ends to a metallic box that forms with a cover plate 38 an
air chamber 39 to which air is supplied from the corresponding air main 26 through
the inlet pipe 28 and from which such air passes into a mixing chamber 40 through
short tubes 41. Secured to the cover plate 38 is a gas box 42, the interior of
which communicates with the corresponding gas main 27 by the pipe 31 and with
the mixing chamber 40 by pipes 43 which pass through the tubes 41. The sides 44,
the top 45 & the bottom 46 of the mixing chamber 40 are composed of suitable
refractory material such as firebrick, and are held in position by a metal frame or
holder 47 which is secured to the plates 37 by angle irons 48. The bottom
portion 46 of the mixing chamber is made bell-mouthed or conical at its lower
side 49 as shown, in order to better concentrate the heat and is provided with an
aperture 50 for the escape of the mixed air and gas from the mixing chamber.
The front burner 21 comprises, as shown in Figs. 6 and 7, a casing 51 of metal
provided with a horizontal partition 52 and which forms with a cover 53 and a
refractory block 52, a mixing chamber 55 and a receiving chamber 56 which are in
communication with each other through holes 57 in the partition 52. The cover 53
is provided with a hollow boss 58 through which passes the gas inlet pipe 33; and
the air-inlet pipe 30 is secured in the side of the hollow boss. The receiving
chamber 56 is preferably made of taper or conical form to receive the refractory
block 54 which is provided with a centrally arranged exit hole 59 and is secured to
a flange 60 of the casing 51 by bolts 61, which pass through lugs projecting from a
clip 62 fastened tightly upon the block 54. The face of this block is made
bell-mouthed or conical like that of the top burner.
The construction of the back burner 20 is similar to that of the front burner 21.
In order to expedite the heating of the juxtaposed spoke ends, the portions of
rim, and filling piece or glut it is advantageous to use in connection with each set
of burners, two heat retaining bricks 63 of refractory material which are arranged,
when in operative position, on opposite sides of the spoke ends within the rim, and
in close proximity to the place where the heat is to be applied as shown in Fig. 1.
The bricks 63 are each secured by means of a washer 64 and cotter 65, on a
stud 66 which is adjustably fixed in a slot 67 formed in the end of an arm 68
(Fig. 3) secured on a shaft 69 (Figs. 1 and 2) mounted in a bearing on the
corresponding back burner 20. By means of a handle 70, secured on the shaft 69
and carrying a balance-weight 71, the bricks 63 can be readily moved into and out
of operative position, as required.
The apparatus hereinbefore described is used as follows:-The saddles 9 with
carriages 15 aud sets of burners are first fixed in the required positions for heating
two of the gluts and adjacent parts of the wheel to be operated upon, these
positions depending on the number of spokes in the wheel, and the supports 4 are
adjusted and then fixed in the correct positions for carrying the wheel in a central
position relatively to the slide 6. The front burners 21, and also the heat retaining
bricks 63, if used, are then moved into their operative positions (shown on the
right-hand side of Fig. 1) as if a wheel were to be heated, thus turning on the gas
and air to the sets of burners carried by the carriages. The escaping gaseous
mixture is then lighted and allowed to burn until the said bricks and the refractory
blocks 46 and 54 projecting from the burners, have attained a white or incandescent
heat after which the front burners 21 are moved back into the position shown on
the left-hand side of Fig. 1, thus shutting off the supply of gas and air, and the

page_text: heat retaining bricks 63 are moved out of the way so as to allow a wheel to be
placed conveniently in position for being heated. The wheel is now placed on the
supports 4 and turned round until the recesses between two pairs of spoke ends,
point or face the apertures 50 in the top burners 18 a glut 19 is placed in each of
the said recesses and the heat retaining bricks 63 are brought into the positions
shown in Fig. 1. The front burners 21 are then moved into the position shown on
the right hand side of Fig. 1, so as to again turn on the supply of air and gas the
issuing mixture of which is ignited by the heat of the bricks in the ordinary way,
thus starting all the burners, which commence to heat the parts of the wheel under
treatment and are allowed to continue to do so until the said parts attain a welding
temperature whereupon the front burners 21 and the heat retaining bricks 63 are
removed as before described the wheel taken to the press, spoke ends, rim portion
of the wheel, and gluts 19 welded together. The wheel is now replaced in the
heating apparatus with two other recesses opposite to the fixed burners 18 and 20
and the operation above described is repeated. This is continued until all the
spokes have been welded together.
The operation hereinbefore described may be varied by heating the spoke ends
and rim portion of the wheel to a welding temperature without the glut, which, in
this case, would be heated in a separate fire and afterwards placed in proper
position between the spoke ends after the wheel has been removed to the press.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed we declare that what we
claim is:-
1. For the manufacture of built up articles such as wheels for railway vehicles,
heating apparatus constructed with a set of burners or gas fires carried by a fixed
support and adjustable in two directions and adapted to simultaneously heat to a
welding temperature the juxtaposed spoke ends, portions of rim and filling piece or
glut of a wheel, or other parts of an article requiring to be afterwards welded
together, the arrangement being such that the same apparatus can be used for
heating the parts of wheels or like built-up articles of various sizes, substantially
as herein described.
2. Apparatus for use in the manufacture of built-up articles such as wheels for
railway vehicles, comprising a support or carrier for the article to be treated, a bed
or slide having the form of an arc of a circle, and a movable saddle or saddles
capable of adjustment upon said bed or slide in a circular direction and of being
fixed thereon in any desired position and provided, or each provided with a carriage
that is furnished with burners or sets of burners or gas fires and is adapted to be
moved in a radial direction towards and from the centre of the bed or slide, the
arrangement being such that the same apparatus can be used for heating the parts
of wheels or like built-up articles of various sizes, substantially as herein described.
3. An apparatus of the kind referred to in the preceding claim in which the
carriage, or each carriage when there is more than one, is provided with three
burners or sets of burners or gas fires so arranged that flame from one of them can
be caused to impinge directly onto the peripheral portion of the article under
treatment whilst the flames from the other burners or gas fires can be directed onto
opposite sides of the said article, one of the side burners being mounted so that it
can be turned out of the way to enable the partly formed article to be readily got
into and out of heating position substantially as herein described.
4. In apparatus of the kind referred to in the preceding claims, mounting one of
the side burners or gas fires on its corresponding carriage so as to be capable of
swinging into and out of heating position and connecting it with means for
controlling the supply of gas to the corresponding set of burners or gas fires in
such a way as to ensure that the gas supply to the burners or fires shall auto-
matically be wholly or partially cut off when the swinging burner or fire is moved
out of position for use and again turned on when the said burner or fire is turned
into position for use substantially as herein described.

page_text: 5. The improved apparatus substantially as herein before described with reference
to the accompanying drawings for heating parts of built-up articles such as wheels
for railway vehicles.
ليهم
1004
For the Applicant,
W. LLOYD WISE,
46, Lincoln's Inn Fields, London, W.C., Chartered Patent Agent.