Improvements in and in the Manufacture of Cast Metal Spittoons.
Year: 1892

page_text: Date of Application, 19th Mar., 1892
Complete Specification Left, 19th Dec., 1892-Accepted, 18th Feb., 1893
PROVISIONAL SPECIFICATION.
Improvements in and in the Manufacture of Cast Metal Spittoons.
I, HAROLD HOLCROFT, of Ettingshall Foundry, Wolverhampton in the County
of Stafford, Iron Founder, do hereby declare the nature of this invention to be as
follows:-
--
Spittoons, as heretofore made, are narrower at the mouth than in the interior,
and cannot consequently be moulded up for casting without coring out the interior
which is an expensive method of moulding. The shape of the spittoons also
renders it inconvenient to clean them in the inside.
Now, the object of this invention is to form the spittoons of such shape that
they may be readily moulded without coring, and allow of the interior being
cleaned much more conveniently than heretofore.
According to this invention, each spittoon is made with a pan or receiver which
is cast with an exterior flange or rim which passes down from the top edge of such
pan and is preferably of a moulded or ornamental shape. This flange or rim
either slants outwardly or is otherwise shaped, as will be understood, so that the
pattern will readily leave the mould. The circular side wall of the pan may be
vertical with a slight lead for moulding, but such wall preferably slants outwards
towards the top edge; and the junction between such wall and the top of the flange
or rim may conveniently be formed as a quick curve in transverse section. The
bottom of the pan is preferably somewhat above the bottom edge of the flange so
that the spittoon will rest entirely upon the hottom edge of the flange when placed
upon the floor. The shape of the combined pan and flange readily admits of the
pattern used in moulding them being drawn out of the sand and leaving a complete
mould, and the moulding is effected, according to this invention, entirely in green
sand without the use of a core. The pan also, having no interior enlargement,
but preferably reducing in diameter towards its bottom, may be readily
cleaned out.
If it is desired to provide the spittoon with a loose plate having a hole in the
centre, such as is frequently used in the better class of spittoons, suitable provision
to receive the edge of such plate may be formed in the casting.
Dated this 18th day of March 1892.
STEPHEN WATKINS,
Wolverhampton, Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in and in the Manufacture of Cast Metal Spittoons.
I, HAROLD HOLCROFT, of Ettingshall Foundry, Wolverhampton in the County
of Stafford, Iron Founder, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement :-
Spittoons, as heretofore made, are narrower at the mouth than in the interior,
and cannot consequently be moulded up for casting without coring out the interior,
which is an expensive method of moulding. The shape of the spittoons also
renders it inconvenient to clean them in the inside.
Now, the object of this invention is to form the spittoons of such shape that they
may be readily moulded without coring, thus effecting great economy in their
manufacture, and be more conveniently cleaned out than heretofore.
A spittoon, manufactured in accordance with this invention, is illustrated by the

page_text: drawings berewith, of which Figure 1 is a transverse section through the middle,
and Figure
a plan. It consists of a pan or receiver A and an exterior flange or
rim B which passes down from the top edge of the pan and is, preferably, of a
moulded or ornamental shape. The bottom a of the pan is, preferably, somewhat
above the level of the bottom edge of the flange or rim B, so that the spittoon will
rest entirely upon such edge when placed upon the floor. The pattern used in
preparing the sand mould corresponds exactly with the spittoon itself, indeed a
spittoon casting cleaned up may be used as a pattern. The pan A is formed
widening in diameter upwards so that the portion of the mould which shapes out
the interior thereof will readily part or draw from the pattern; and the annular
space C between the exterior of the pan and the inside of the flange or rim is
formed widening downwards, the flange or rim being formed, both for convenience
in moulding and for the sake of appearance, to slant or curve outwards, as shewn.
The pan and rim join into one another at the top preferably by a curved portion D,
as seen in transverse section; and it is preferred, also, to round off the inside
bottom corner of the pan as shewn. It is preferred that the sides of the pan A
shall slant considerably outwards, as shewn, and that the flange or rim B shall have
also a considerable outward slant as shewn, but both the sides of the pan and the
flange or rim (or either of them) may be vertical or at any rate have only sufficient
slant or lead for the pattern to properly part from the mould.
The shape of the combined pan and Hange or rim readily admits of their being
moulded up in green sand, from a pattern which corresponds in shape to the
spittoon, without the use of a core. The pan also, having no interior enlargement,
but preferably reducing in diameter towards its bottom, and having a considerably
rounded corner inside, may be very readily cleaned out. The spittoon is much
improved in appearance also over those of the usual construction.
A spittoon constructed according to this invention may, of course, be moulded up
from what is known as a "card" pattern, or
on what is known as the
"block" system, instead of from a pattern which corresponds exactly with the
intended casting; but in either case the mould is made in green sand without
coring.
If it is desired to provide the spittoon with a loose plate having a hole in the
centre, such as is frequently used in the better class of spittoons, suitable provision to
receive the edge of such plate may be formed in the casting.
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 improvements in the construction and manufacture of cast metal spittoons,
substantially as described.
D-417 DL1000
STEPHEN WATKINS,
Wolverhampton, Agent for the Applicant.