Improvements in Stoppers for Ladles used for Casting Steel and similar Metals.
Year: 1893

page_text: Date of Application, 2nd Jan., 1893
Complete Specification Left, 12th Aug., 1893-Accepted, 23rd Sept., 1393
PROVISIONAL SPECIFICATION.
Improvements in Stoppers for Ladles used for Casting Steel and
similar Metals.
I JAMES STRANAGHAN of 10 Eldon Street Tatton Street Salford in the County
of Lancaster, Weighman, do hereby declare the nature of this invention to be as
follows :-
This invention relates to such stoppers for ladles used for casting steel or iron as
are so made that they can be secured to the stopper without any external hole
through which molten metal can penetrate.
For this purpose I form the socket in the sleeve (through which the end of the
swan neck passes) much deeper than usual and I am thus able to carry the upper
end of the stopper further up into this sleeve.
This prolonged part of the stopper is tubular and receives the end of the "swan
neck" which is by preference reduced in diameter and to which it is fixed by a
cotter pin or otherwise, and thus it will be seen that the lower end of the stopper
may be quite solid and the connection at the upper end is perfectly protected by
the sleeve in the socket of which it is enclosed.
When a pin is cottered, or screwed into the end of the swan neck I provide the
said pin at its lower end with a worm or screw thread of such a length and depth
that when it is screwed into a corresponding socket formed in the upper end of the
stopper it will be firmly attached thereto and the said stopper will thus be secured
without any external hole through which molten metal can penetrate.
The stopper is prevented from turning and becoming detached from the pin of
the swan neck by a peg which is passed through the said pin and through that part
of the stopper which projects into the socket of the sleeve, and which need not be
made so long as in the case first above described.
Dated this 21st day of Doombox 1902
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Stoppers for Ladles used for Casting Steel and
similar Metals.
I JAMES STRANAGHAN of 10 Eldon Street Tatton Street Salford in the County
of Lancaster, Weighman, 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 relates to such stoppers for ladles used for casting steel or iron as
are so made that they can be secured to the swan-neck without any external hole
through which molten metal can penetrate and for which I have applied for
Letters Patent No. 14570 dated August 12th 1892.
The said invention will be readily understood from the following description on
reference to the accompanying drawings.
Figs. 1 and 2 are elevations of stoppers made according to my present invention,
Fig. 3 is a plan view of Fig. 2 and Fig. 4 a modified form of the end of the swan
neck hereafter described.
According to my invention I form the socket a¹ in the sleeve a (through which
the end of the swan neck b passes) much deeper than usual see Fig. 1 and I am
thus able to carry the upper end c¹ of the stopper e further up into this sleeve a.
[Price 8d1

page_text: This prolonged part c¹ of the stopper e is tubular and receives the end of the
"swan-neck" which is by preference reduced in diameter as shown and to which
it is fixed by a cotter d or a pin or otherwise, and thus it will be seen that the
lower end of the stopper c may be quite solid and the connection at the upper end
is perfectly protected by the sleeve a in the socket a' of which it is enclosed.
When a pine is cottered (Fig. 2) or screwed (as seen at Fig. 4) into the end of
the swan neck I provide the said pin e at its lower end with a worm or screw
thread e' of such a length and depth that when it is screwed into a corresponding
socket formed in the, upper end of the stopper c (see Fig. 2) it will be firmly
attached thereto and the said stopper e will thus be secured without any external
hole through which molten metal can penetrate; or the reduced end of the swan
neck may be formed with a screw thread for the same purpose.
с
The stopper c is by preference prevented from turning and becoming detached
from the pin or end of the swan neck by a peg f (see also Fig. 3) which is passed
through the said pin e (or the end of the swan neck) and through that part c' of
the stopper which projects into the socket a' of the sleeve a, or along a groove in
the upper side of the part which need not be made so long as in the case first
above described.
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 :-
The improved means. substantially as hereinbefore described for securing the
stopper to the swan neck of ladles used for casting steel or similar metals.
Dated this 11th day of August 1893.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant