APPARATUS FOR PUSHING INGOTS FROM THEIR MOULDS
Year: 1882

page_text: APPARATUS FOR PUSHING INGOTS FROM THEIR MOULDS." A communication
from abroad by Thomas James, of Braddocks, Pennsylvania, in the United
States of America.
COMPLETE SPECIFICATION filed by the said John Imray at the Office of
the Commissioners of Patents on the 3rd January 1882.
JOHN IMRAY, of No. 28, Southampton Buildings, Chancery Lane, in the County
of Middlesex. "A NEW OR IMPROVED APPARATUS FOR PUSHING INGOTS FROM
THEIR MOULDS." A communication from abroad by Thomas James, of Braddocks,
Pennsylvania, in the United States of America.
Heavy ingots, such as those for making rails, girders, and the like, are
usually cast in iron inoulds, from which they are removed by hoisting the mould,
allowing the ingot to drop out. Often however, especially when the moulds have
become roughened by use, it is necessary to have recourse to the blows of a heavy
sledge to loosen the ingot. This is apt to injure the mould, and involves labour
and loss of time, which is a serious evil when an extensive plant has to be kept in
action.
This Invention relates to apparatus of a simple and inexpensive character, which
is readily applied to ingot moulds, and which in the act of hoisting the moulds
serves at the same time to push out the ingots from them, as will be understood on
reference to the accompanying Drawings and to the figures and letters marked
thereon. Fig. 1 is a side view, partly in section, shewing the arrangement in
duplex form applied to a pair of ingot moulds; Fig. 2 shews it applied to a single
mould. A is the ingot mould, to one of the loops a of which is attached one end
of the short chain b, the other end being attached to a lever C near its middle.
The lifting chain B is attached to one end of the lever C, the other end of which is
made as a fork, with a pin c engaging one or other of a set of inclined notches in a
stem D, which may be a uniform bar, or may have an enlarged base d, as shewn.
The pin c of the lever C may engage in a notch on the opposite side of D, as shewn

page_text: in Fig. 2, and in that case a pin c is inserted in the lever to prevent it from
becoming disengaged. The apparatus is worked as follows:-The mould being
booked to the chain b, the plunger D resting on the top of the ingot has one of
its notches engaged by the pin c, so that the lever C lies nearly horizontal. The
crane being then worked so as to strain the hoisting chain B, this strain acts with
leverage, pressing down the ingot and tending to raise the mould, which as soon as
the ingot becomes detached can be rapidly lifted. The arrangement shewn in
Fig. 1 is the more convenient because the plunger disengages itself as the mould
rises, and is ready to be used elsewhere.
Having thus described the nature of this Invention, and in what manner the
same is to be performed, as communicated to me by my foreign correspondent, I
claim,―
First. For pushing ingots from their moulds the use of a lever introduced in the
hoisting tackle, this lever being so connected to the mould and to a plunger bearing
on the ingot that the hoisting strain tends to move the mould and the ingot in
opposite directions, substantially as described.
Second. The combination of the chain b, lever C, and plunger D with the mould
and hoisting chain, substantially as described.
Third. The combination with the mould and hoisting chain of the chain b, the
lever C forked at the end and provided with pin c engaging in one of the several
inclined notches in the stem D, substantially as described.
In witness whereof, I, the said John Imray, have hereunto set my hand and
seal, this Third day of January, in the year of our Lord One thousand
eight hundred and eighty-two.