Improvements in and relating to the Construction of Glass Melting Pots.
Year: 1889

page_text: Date of Application, 20th Aug., 1889-Accepted, 21st Sept., 1889
COMPLETE SPECIFICATION.
Improvements in and relating to the Construction of Glass
Melting Pots.
I, ASA GEORGE NEVILLE, residing at Lazearville, in the County of Brooke and
State of West Virginia, one of the United States of America, Manufacturer, 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 glass melting pots which are especially designed to be used
in furnaces, and has for its object to produce a pot that will fill a long felt want, and
which can be used as a closed or open pot as required, and in which the temperature of
the mass or batch can be regulated by controlling the hot and cold blast. The escape
flue will communicate with the pot at different levels to draw the flame down on the
surface of the batch, and the hot blast will extend through the roof or crown of
the pot at several places to ensure its coming in contact with the entire surface of
the batch.
The improvement consists of the novel features which will be hereinafter more
fully described and claimed and which are shown in the annexed drawings, in
which―
Figure 1, is a perspective view, parts being broken away, of a pot of my
invention.
Figure 2, a section about on the line, x, x, of Figure 1, looking to the left, and
Figure 3, a section about on the line, y, y, of Figure 1.
The pot, A, is of convenient size and shape, and is provided with the glory-hole, a,
and with the opening, B, in its crown opposite the glory-hole, a.
The opening, B, when desired, is closed when filled by the stopper, 6'. The glory-
hole is surrounded by the hood, C, and is closed by the stopper, D.
The air passages, d, and, d¹, communicate with the interior of the pot near the rear
and the front thereof, and are designed to supply the air necessary for supporting
combustion. The air passage, d, leads into the opening, B, and the air passage, d²,
terminates in the front side of the pot near the glory-hole.
The escape flues, E, and, E', extend through the front side of the pot and com-
municate therewith at different points, the flue, E, terminating near the crown of the
pot, and the flue, E', at some point below the end of the flue, E. The hot blast
passage, F, branches near its inner end to form the two branches, f, and, f¹, which
extend through the roof of the pot and communicate with its interior at different
points.
The material is
In using my pot it is built for a furnace in the usual manner.
placed in the pot through the glory-hole which is closed by stopper, D, during the
reduction of the said material to a molten or plastic condition.
The flame enters the opening, B, and is drawn over and down upon the material
in the pot by the draft through the flues, E, and, E. When the material is first
placed in the pot it is loose and nearly fills it, and when fused or partially so it is
considerably reduced in bulk. In the first instance the draft is through flue, E, and
in the latter instance it is through flue, E'. The process of fusion is accelerated by
the blast through the passage, F. The air for supporting the combustion or pro-
moting the same is supplied through the passages, d, and, d¹.
For my glass melting pot I claim the following advantages
First: It can be made nearly as cheap as a closed pot.
Second: The pots will last much longer because they contract only one half the
heat in the back.
Third: They will make a superior quality of glass to that made in tanks, and
equally as good glass as is made in the covered pots now in use, with a much

page_text: cheaper batch and less soda, which is one of the costliest articles in the glass
making art.
Fourth It melts in about one third to one half less time than the pots now in use.
Fifth It can be used as an open or closed pot.
:
Sixth It can be used in a furnace, using for fuel natural gas, oil, or fuel gas.
Seventh There is nothing about it to get out of order and it can be constructed
by any pot maker skilled in the art of making pots for glass-house purposes.
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-
1st. The herein described glass melting pot having an opening as, B, for the
purpose described, and having a passage for the entrance of air to support combustion.
2nd. The herein described glass melting pot having an opening for the entrance of
the flame, and having two air passages which communicate with the front and the
rear of the pot, substantially as and for the purposes specified.
3rd. The herein described glass melting pot having an opening for the entrance
of the flame, and having one or more air passages, which air passages communicate
with the said flame opening, substantially as and for the purposes specified.
4th. The herein described glass melting pot having one or more openings for the
entrance of the flame, and having one or more escape flues communicating therewith
at different levels, or on either side of the pot mouth, substantially as and for the
purposes specified.
5th. The herein described glass melting pot having escape flues communicating
therewith at different levels substantially as and for the purposes specified.
6th. The herein described glass melting pot having a hot blast passage or flue
communicating therewith at several points, substantially as and for the purposes
specified.
7th. The herein shown and described glass melting pot having a glory-hole, an
opening for the entrance of the flame, a series of air supplying passages, a series of
escape flues communicating with the pot at different levels, and a hot blast flue
having communication with the pot at several points, substantially as described for
the purposes specified.
ugust 2009.
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.