IMPROVEMENTS IN ANNEALING PLATES OF IRON USED IN THE MANUFACTURE OF TIN OR TERNE PLATE AND FOR OTHER PURPOSES, AND KNOWN AS BLACK PLATE
Year: 1876

page_text: LETTERS PATENT to Rees Taylor, of Llantrissant, Glamorganshire, South Wales,
for the Invention of " IMPROVEMENTS IN ANNEALING PLATES OF IRON USED
IN THE MANUFACTURE OF TIN OR TERNE PLATE AND FOR OTHER PURPOSES,
AND KNOWN AS BLACK PLATE."
ealed the 7th November 1876, and dated the 10th May 1876.
PROVISIONAL SPECIFICATION left by the said Rees Taylor at the Office of
the Commissioners of Patents on the 10th May 1876.
REES TAYLOR, of Llantrissant, Glamorganshire, South Wales.
"IMPROVEMENTS
IN ANNEALING PLATES OF IRON USED IN THE MANUFACTURE OF TIN OR TERNE
PLATE AND FOR OTHER PURPOSES, AND KNOWN AS BLACK PLATE.""
This Invention relates to improvements in annealing sheets or plates of iron
used in the manufacture of tin or terne plate or other sheets or plates of
metal, and whether coated with other substance or otherwise, and consists more
particularly of improvements on the annealing pot ordinarily in use.
The ordinary annealing pot consists of a box of cast or wrought iron closed at
the top, the bottom being closed by resting on a removable stand, having an
uprising flange surrounding the lower part of the box when in position, the space
between the flange and the box being filled with sand or fine dust so as to prevent
the air getting into the interior of the box during the process of the annealing of
the plates contained therein, which takes place in what is known as the annealing
furnace, as the action of air with the fire would injure the plates. It is found in
practice that the plates thus treated are more or less liable to get overheated,
especially at the top, thus causing great waste from what is known as "blister"
and other well understood imperfections.
Now my improvements consist in surrounding the upper part of the annealing
pot with an open frame made of cast or wrought iron or other suitable material,
and of such size as to leave an annular space between it and the pot, the frame
resting at the bottom on a ledge secured to or formed on the pot and rising above
the pot for two inches, more or less, there being also distance pieces between the
pot and frame to prevent the latter getting out of its place. The space thus
[ Price Gd

page_text: formed round and above the pot is filled with sand or fine dust, thus protecting tho
upper part of the pot, and preventing the plates within getting burned.
Instead of forming the space around and above the pot by a moveable frame the
pot and the surrounding frame may be formed in one.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by the
said Rees Taylor in the Great Seal Patent Office on the 10th November
1876.
"IMPROVEMENTS
IN ANNEALING PLATES OF IRON USED IN THE MANUFACTURE OF TIN OR TERNE
PLATE AND FOR OTHER PURPOSES, AND KNOWN AS 'BLACK PLATE""
REES TAYLOR, of Llantrisant, Glamorganshire, South Wales.
This Invention relates to improvements in auncaling sheets or plates of iron used
in the manufacture of tin or terne plate or other sheets or plates of metals, and
whether coated with other substances or otherwise, aud consists inore particularly
of improvements in the construction of the annealing pot ordinarily used.
The ordinary annealing pot consists of a rectangular or other shaped box of cast
or wrought iron closed at the top, the bottom being closed by resting on a
removable stand having an uprising flange surrounding the lower part of the box
when in position, the space between the Hange and the box being filled with sand
or fine dust so as to prevent the air getting into the interior of the box during the
process of the annealing of the plates contained therein (which takes place in what
is known as the annealing furnace), as the action of air with the fire would injure
the plates. It is found in practice that the plates thus treated are more or less
liable to get overheated, especially towards the top of the box, and are thus rendered
difficult of being sufficiently or properly cleaned by the usual process of pickling
without being made liable to a great increase in the number of washers caused by
what is known as "blister" and other well understood imperfections in the plates
resulting from overheating or burning.
Now my improvements consist in so protecting the upper part of the annealing
pot from the direct action of the fire of the annealing furnace that this over-
heating or burning of the plates cannot take place. At the same time the annealing
pot is rendered more durable.
And in order that my Invention may bo clearly understood and readily carried
into effect I will proceed to describe the same with the aid of the accompanying
Drawings, reference being had to the letters and figures marked thereon, and in
which Figures 1 and 2 illustrate a way of carrying out my Invention; and Figures 3
and 4 a modification thereof, Figure 1 being a transverse sectional view taken at line
c, d, Figure 2, which latter is a sectional plan view taken at the line a, b, Figure 1;
Figure 3 is an end view partly in section; and Figure 4, a plan view. The same
letter indicates the same or like parts in the several Figures.
I surround the upper part of the annealing pot A with a frame B, open at the top,
and resting at bottom on a ledge C formed on or attached to pot A. This frame A
is of cast or wrought iron or other suitable material. It is of such size and form as
to leave an annular space of, say, two inches (more or less) between it and the pot A
when in position, and it reaches above the pot some two inches (more or less).
Between frame B and pot A are also distance pieces H to guide and keep the frame
in position. The space thus formed around and also above pot A'is filled with sand or
powder or dust of any suitable description, thus protecting the upper part of the
pot from the direct action of the fire of the annealing furnace, and preventing the
plates within the pot from getting overheated or burned. D is a stand (for pot A)
of ordinary construction. If desired frame B may cover the whole of the upper
part of the pot above the stand.
In the modified form illustrated in Figs. 3 & 4, instead of frame BI stud the

page_text: upper part of the pot A with projections or inequalities of surfaces E, and then apply
over and between same and over the top of the pot a suitable thickness (say, two
inclies, more or less) of fire-clay or other fire resisting material (, the object of the
studs E being to form a good holding surface for the fire-clay. The studs 'or
projections E may be cast with the pot, or be screwed or be otherwise attached
thercto.
Sometimes also I cover frame B with firo-clay to render it more durable. This is
illustrated in Figs. 1 and 2, in which G represents the fire-clay.
Having thus particularly described and ascertained the nature of my said Inven-
tion, and the manner in which the same is to or may be performed, I claim as iny
Invention to be secured by the herein-before in part recited Letters Patent, tho
improvements in annealing plates of iron used in the manufacture of tin or terno
plate and for other purposes, and known as black plate," substantially as hercin-
before set forth and described, and illustrated in the accompanying Drawings.
"
In witness whereof, I, the said Rees Taylor, have hereunto set my hand and
scal, this Ninth day of November, in the year of our Lord One thousand
eight hundred and seventy-six.