Furnace-Forming Die Page: 2 of 3
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U NITED STATES PATENT OFFICE.
ROBERT L. WILLIAMS, OF McDADE, TEXAS.
FURNACE-FORMING DIE.Specification of letters Patent, Patented Jan. 17, 1911.
Application fled May 23, 1910. Serial No. 562,992.To all whom it may concern:
Be it known that I, RoBEiT L. WILLIA MS,
a citizen of the United States, residing at
McDade, in the county of Bastrop and State
b of Texas, have invented a new and useful
Furnace-Forming Die, of which the follow-
ing is a specification.
By way of explanation. I will state that it
is customary, in warm climates, to employ,
1 for cooking, for ironing and the like, a sim-
ple furnace, adapted to be used out of doors.
The furnaces are fictile elements, being ordi-
narily fashioned from clay. The furnaces
are provided, at spaced points along their
15 upper edge, with upstanding lugs, the func-
tion of these lugs being to space a pot or the
like from the upper edge of the furnace-
proper, so that there may be a draft between
the upper edge of the furnace and the pot or
20 other article which is resting thereon. The.
fashioning of these lugs has hitherto been a
matter of considerable difficulty. The lugs
have been applied to the completed furnace,
by hand, the operation increasing materially
25 the cost of the furnace, both on account of
the additional labor required, and on ac-
count of the fact that these manually ap-
plied lugs not infrequently crack off when
the furnaces are dried and burned. For the
30 reasons above pointed out, these lugs, al-
though important elements in a furnace of
the character described, have in some cases
been abandoned entirely, and in other cases
so altered in contour that their functions
35 have been materially impaired.
It is the object of this invention to provide
a die, so constructed that it may be employed
in fashioning, in a single operation, a fictile
furnace of the character above mentioned,
40 and the lugs thereon, the furnace and the
lugs being fashioned in one piece, and at a
single operation.
Another object of the invention is to pro-
vide a fictile furnace, having lugs, extended
45 along the inner face of the furnace to rein-
force the side wall of the same, the lugs be-
ing carried across the upper edge of the fur-
nace so as to provide the necessary draft be-
tween the furnace and the article which- is
50 rested thereon.
The drawings show typical embodiments
merely, and it is to be understood that
changes, properly falling within the scope
of what is claimed, may be made, without
55 departing from the spirit of the invention.
In the drawings,-Figure 1 is a side eleva-tion of a furnace forming die constructed in
accordance with my invention; Fig. 2 is a
bottom plan thereof; Fig. 3 is a fragmental
transverse section of the die; and Fig. 4 is a 60
detail perspective showing a portion of a
fictile furnace, as it will appear when com-
pleted by the die disclosed herein.
The die, which is preferably formed from
metal, may be described roughly as being 65
frusto-conical in general outline, the smaller
end of the die being, of course, downwardly
disposed in operation. The die, although
a one-piece structure, may for convenience
in description be divided into a body 1 and 70
a flange 2, the flange outstanding from the
periphery of the body 1 at the upper end
thereof. In the exterior face of the body 1,
there are a plurality of channels 4, disposed
in upright relation, three of these channels 75
being shown, although more or less than that
number may be employed at the option of
the manufacturer. As seen to best advan-
tage in Fig. 3, the channels 4 are carried out-
wardly from the body 1 into the lower face 80
of the flange 2, as denoted by the numeral 5.
Moreover, by referring to Fig. 1 of the
drawings, it will be seen that the side walls
of the channels 4 diverge as at 6, as they ap-
proach the flange 2.' As the side walls of 85
the channels 4 extend inwardly toward the
center of the body 1, the said side walls con-
verge as at 7. Thus, each channel 4 is widest
adjacent its bottom,. and likewise wider at
its front than at its back. By referring to 90
Fig. 1 it will be seen that the form of the
channel hereinbefore referred to is carried
out in that portion of the channel which, as
denoted by the numeral 5, is located in the
lower face of the flange 2; and thus the por- 95
tion 5 of the channel takes the form of an
opening in the lower face of the flange 2,
flaring outwardly and converging inwardly
toward the center of the body 1.
It will be seen that when the die, con- 100
structed as hereinbef ore pointed out, is,
thrust into the clay which is to form the fur-
nace, the die may readily be withdrawn,
without impairing the lugs which are formed
in the channels 4. This ready withdrawal 105
of the die from the fictile mass, results
from the fact that the side walls of the chan-
nels 4 diverge as at 6, and converge as at 7,
the die being withdrawn from the clay, with-
out tearing away any portion of the lugs 110
formed in each of the channels 4. The die
is commonly well oiled upon its exterior, and98 1,731.
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Reference the current page of this Patent.
Williams, Robert L. Furnace-Forming Die, patent, January 17, 1911; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth511556/m1/2/?q=%22%22~1: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.