Improvements in Apparatus for Squirting Heated Metals.
Year: 1899

page_text: Date of Application, 4th Sept., 1899
Complete Specification Left, 5th June, 1900-Accepted, 14th July, 1900
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Squirting Heated Metals.
I, ALFRED KIRBY HUNTINGTON, of King's College, Strand, in the County of
London, Professor of Metallurgy, do hereby declare the nature of this invention
to be as follows:-
Some metals require to be maintained at a high temperature while they are
being squirted through a die by means of a plunger acting in a cylinder con-
taining the heated metal. As this cylinder must itself be internally heated to a
high temperature, its walls must have certain freedom to allow for expansion.
The object of the present invention is to contruct a cylinder for metal squirting
in such a manner that while it has the necessary strength to withstand the internal
pressure, it has also sufficient freedom to allow for expansion.
For this purpose, around the cylinder, which is preferably provided with an
internal lining, I place a series of annular plates having holes through them.
these plates being all bolted together to form a complete cylinder wall. The
plates are so placed relatively to each other that their holes face each other and
therefore constitute continuous longitudinal passages in the cylinder wall, these
passages serving, if required, as ducts for heating or cooling fluids or other media
so that the temperature of the cylinder wall can be controlled throughout. Pre-
ferably the annular plates are enclosed within an outer cylindrical casing which
may be provided with trunnions for inversion of the cylinder when required.
The cylinder is fitted in the usual way with a plunger attached to the plunger
of a hydraulic press, this being provided with a draw back cylinder of ordinary
arrangement. Also the mouth of the cylinder is fitted in the usual way with the
squirting die with means for removing it for the purpose of charging the
cylinder.
Dated this 4th day of September 1899.
ABEL & IMRAY,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Squirting Heated Metals.
I, ALFRED KIRBY HUNTINGTON, of King's College, Strand, in the County of
London, Professor of Metallurgy, 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:—
Some metals require to be maintained at a high temperature while they are
being squirted through a die by means of a plunger acting in a cylinder con-
taining the heated metal.

page_text: As this cylinder must itself be internally heated to a high temperature, its
walls must have certain freedom to allow for expansion.
The object of the present invention is to construct a cylinder for metal squirt-
ing in such a manner that while it has the necessary strength to withstand the
internal pressure, it has also sufficient freedom to allow for expansion.
For this purpose, as shewn in vertical section Fig. 1 and in sectional plan
Fig. 2, around the cylinder, which is provided with an internal lining a, I place
a series of annular plates 6 having holes through them, these plates being all
bolted together to form a complete cylinder wall, The plates are, so placed
relatively to each other that their holes face each other and therefore constitute
continuous longitudinal passages in the cylinder wall, these passages serving, if
required, as ducts for heating or cooling fluids or other media so that the tem-
perature of the cylinder wall can be controlled throughout. Preferably the
annular plates are enclosed within an outer cylindrical casinge which may be
provided with trunnions d for inversion of the cylinder when required, and may
be strengthened by winding it with wire.
Cover rings e perforated like the rings 6 are secured at each end by bolts and
nuts the bolts being passed through some of the holes.
A cylinder thus constructed has to be fitted in the usual way with a plunger
attached to the plunger of a hydraulic press, this being provided with a draw
back cylinder of ordinary arrangement. Also the mouth of the cylinder has to
be fitted in the usual way with the squirting die with means for removing it for
the purpose of charging the cylinder, but as these fittings form no part of my
invention I do not farther describe nor shew them..
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 what
I claim is -
A cylinder for squirting heated metals consisting of an inner cylindrical lining
surrounded by perforated annular plates and an outer cylindrical casing; the per-
forations of the plates being alligned to form continuous channels from end to
end, substantially as and for the purpose set forth.
Dated this 5th day of June 1900.
ABEL & IMRAY,
Agents for the Applicant.