Improvements in Ingot m
Year: 1894

page_text: Date of Application, 30th June, 1894
Complete Specification Left, 30th Mar., 1895-Accepted, 4th May, 1895
Improvements in Ingot m
I, CHARLES OXLEY of The Union Foundry, Mowbray Street, in the City of
Sheffield, Iron Founder, do hereby declare the nature of my invention to be as
follows:-
66
This invention of improvements in ingot moulds refers particularly to such moulds
as are used for casting what are known as plated" and "gated" ingots, that is
ingots having a hard steel face and softer back, or a body of inferior steel with one
corner of best steel, and other like combinations of two qualities of steel, or of iron
and steel.
I propose to construct an ingot mould for a plated ingot for example, as follows.
I make one half or part of the mould in the ordinary manner and form, and the
other half or part usually called the lid or cover 1 make in two parts, divided
longitudinally down a central strengthening rib. Two or more cross ribs are also
cast upon it with holes through thein longitudinally for the passage of releasing
bolts and projecting lugs are cast on each side to engage with the ends of special
hoops for holding the two parts of the mould together.
I also propose to make a separate base for the mould of steel, or chilled cast iron,
so that this part of the mould which is usually the first to give way and become
useless will be rendered quite as durable as the body of the mould, and I propose
to bolt or otherwise to secure it to the first described part of the mould.
The divided lid is held together by two bolts (usually) which pass through the
two parts from side to side, they are furnished at one end with a screwthread and
a nut, and at the other with a slot and a gib or headed cotter, so that it cannot fall
out of the slot when loose.
The nut serves as a head to the bolt, and also as a means for adjustment, and an
auxiliary means for releasing the two parts of the lid.
The hoops which are usually made to encircle the two parts of the mould, and
hold them together by means of wedges driven between them and the mould,
I propose to make in the form of double hooks the returned ends being arranged to
engage with projecting lugs before mentioned on the sides of the lid, wedges being
also used in the ordinary manner.
The dividing plate for separating the space for the best quality steel, from that
for the common quality fits across the mould between the sides of the lid or cover,
and has distance ribs cast upon its back which bear against the opposite side of
the mould, and is provided with means by which it may be lifted out of the mould.
When the molten steel is poured into the mould the heat expands the dividing
plate rather more than the mould, and consequently it is liable to be gripped by
the mould; to release it instantly so that it may be withdrawn at the required
moment it is only necessary to knock back the two gibs allowing a slight separation
of the two halves of the lid or cover, which instantly releases the plate so that it
can be withdrawn and the other quality of molten metal poured into the mould.
For gating at the corner of the ingot, I cast a rib upon the face of the dividing
plate, in the position required to space off the corner.
Dated the 29th day of June 1894.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.

page_text: Improvements in Ingot Moulds.
I, CHARLES OXLEY, Union Foundry, Mowbray Street, in the City of Sheffield,
Ironfounder and Engineer, do hereby declare the nature of this invention and in
what manner the same has to be performed, to be particularly described and
ascertained in and by the following statement :-
This invention relates to improvements in the construction of ingot moulds, and
refers more particularly to such moulds as are used for the casting of ingots
technically known as "plated" and "gated" ingots, that is ingots having a hard
steel face upon a softer back, or having a body of inferior or softer steel with an
edge of best steel, or other similar combinations of different qualities of steel, or
steel and iron.
My invention as applied to an ingot-mould for producing plated ingots is
illustrated in the annexed sheet of drawings, similar letters of reference indicating
similar parts in any of the several figures.
Fig. 1, represents a side elevation of an improved mould.
Fig. 2, a plan of same.
Fig. 3, front elevation, without the cramping irons.
Fig. 4, back elevation of same without the cramping irons.
Fig. 5, elevation of a division plate.
I construct a mould such as that shown in the drawings as follows:
It consists of the following parts, a base A, a solid part or half of the body B, a
front part commonly called the cover, in two parts C, and C2, a division plate D,
two bolts E, and E2, and two cramping irons F, and F2.
The solid part or half of the body B, is made as heretofore and is preferably
bolted to the base plate A, by the bolts A².
The divided front plate has its division made down the centre of a rib C³ and
the two parts C, and C2, are held firinly together by the bolts E, and E².
The two halves of the body of the mould are held together by means of cramping
irons F, and F2, which engage with angular lugs G, cast upon each side of the
parts C, and C2, and are tightened so as to draw the two halves of the mould
together at their junction by being forced up two inclined planes B2, and B3, on the
back of the part B.
The division plate D, as before mentioned is only one form out of the many that
may be used with the mould, the ribs D2, and D³, are to regulate and fix the
distance of the face, from the face of the mould, the space between the two
representing the required thickness of one of the qualities of steel, preferably the
superior quality.
I propose to cast the baseplate A, as a separate part, and either of steel, or as a
chilled casting for the purpose of rendering this part (which is usually the first to
become worn and useless) as durable as the body of the mould.
The two parts C, and C², are held together by bolts E, and E, provided at one
end with a screwthread and nut H, and at the opposite end with a slotted hole and
a gib, or headed cotter I, to prevent it falling out when loosened.
The nut H, serves both as a head to the bolt, and also as a means for adjustment,
also as an auxiliary means for releasing the two parts of the cover C, and C³.
When molten steel is poured into the space J, between the face of the division
plate D, and the parts C, and C2, the heat causes the plate D, to expand rather
more than the body of the mould and consequently it is very liable to be gripped
by the mould, and if a ready means is not adopted for its instant removal wheu
required there is the greatest risk that there will be an imperfect weld of the two
qualities of steel.

page_text: In my improved mould this is accomplished by knocking back the two gibs I,
which allows a slight separation of the two parts C, and C2, which instantly releases
the plate, so that it can be withdrawn by means of the handle or cross bar K, to permit
the second pouring of molten steel or iron.
.
For "gating" at the corner I make a rib upon the face of the division plate D,
in the position required to space off the corner as will be well understood by those
in the trade.
Extra plates may be placed at the back of the division plate to reduce the space
between the face of the plate and that of the mould.
I am aware that moulds are used with division plates of various kinds, and that
divided moulds are in common use, and I therefore make no broad claim for such.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim, is-
1. An ingot mould, constructed, arranged and operating, substantially as herein-
before described, and shown in the accompanying drawings.
2. In an ingot mould for the purpose specified making one half of the mould in
two or more parts C, and C2, such parts being held together by bolts and cotters
or by other equivalent means by which the two or more parts may be quickly and
slightly separated from each other as herein before described, and with reference
to the drawings.
3. In an ingot mould of two or more parts, and as a means for rapidly securing
and releasing such parts, one or more cramping irons F, having their extreme ends
returned either horizontally or vertically and engaging with corresponding lugs G,
upon the sides of the mould, in combination with wedges, or inclined planes, B2, B3,
as hereinbefore described, and shown.
Lennr 114110TIT
10
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.