CERTAIN IMPROVE- MENTS IN SOIL PANS
Year: 1853

page_text: PROVISIONAL SPECIFICATION left by Thomas Smith at the
Office of the Commissioners of Patents, with his Petition, on the
8th January 1853.
(Void by reason of notice to proceed not having been given within the
time prescribed by the Act.)
I, THOMAS SMITH, of Lambeth, in the County of Surry, Potter, do
hereby declare the nature of the said Invention of "CERTAIN IMPROVE-
MENTS IN SOIL PANS" to be as follows:-
This improvement consists in forming a "fan" or "spreader" of
carthenware which shall be firmly affixed by the adhering of the clay
itself before baking at its upper portion, but having no studs or blocks
of support elsewhere, so that the flush of water may not be impeded in
its escape into the pan, and thus flush or cleanse it at every part.
Figure I. represents a section of such a pan; d, d, the pan, which may
be of any approved shape; b, is the fan or spreader in section; at C, it
joins on to the main body of the pan, leaving the aperture or space below
for the passage of the water.
Figure 2, represents the back portion of a soil pan in view or elevation,
showing the spreader as it appears when seen from the front, the dotted
lines representing the position of the pipe or inlet for the water behind

page_text: the "fan," and the line of junction between the substance of the "fan
and the pan.
The method of manfacturing or preserving this spreader or fan in its
proper position, and insuring the proper and entire space for the flush of
water, is thus accomplished:-When the pan is moulded, a piece of
paper, cut so as to cover the requisite space, is placed over the inlet hole
of a pau, when a piece of clay, moulded to the shape of the spreader
or fan, is placed over this, so that its upper portion being above and
overlapping the paper will unite or adhere to the clay of the pan (as at
C, Fig. 1.) It is evident then that the clay of the fan will be held and
kept.from the pan by the paper, and to the distance according to the
thickness of the paper or other like substance which might be used.
When, however, the pan is placed in the kiln for baking, and has arrived
at a red heat, the paper will. be. consumed and leave a space equal to
its own thickness, the clay having by that time become firm and im-
moveable. Thus will the proper and desired position of the fan be
the "fan," and the line of junction between the substance of the "fan
and the pan.
The method of manfacturing or preserving this spreader or fan in its
proper position, and insuring the proper and entire space for the flush of
water, is thus accomplished:-When the pan is moulded, a piece of
paper, cut so as to cover the requisite space, is placed over the inlet hole
of a pau, when a piece of clay, moulded to the shape of the spreader
or fan, is placed over this, so that its upper portion being above and
overlapping the paper will quite or adhere to the clay of the pan (as at
C, Fig. 1.) It is evident then that the clay of the fan will be held and
kept. from the pan by the paper, and to the distance according to the
thickness of the paper or other like substance which might be used.
When, however, the pan is placed in the kiln for baking, and has arrived
at a red heat, the paper will. be. consumed and leave a space equal to
its own thickness, the clay having by that time become firm and im-
moveable. Thus will the proper and desired position of the fan be
CLAIMS.
I do not claim the exclusive use of a clay. fan or spreader, as that
may have been used before, but I do claim the exclusive use of a clay
fan, without studs, or other supports than the junction at its top, as
described. And I claim the method, as described, of manufacturing the
same, that is to say, the insertion before baking of a piece of paper or
other material of like nature, or that is capable of either burning or
melting out in the process of baking for the nuruose of leaving the.