Device-for-Cooling-Milk-or-Butter Page: 2 of 3
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UNITED STATES PATENT OFFICE
JOSEPH L. WILDER, OF MEXIA, TEXAS.
DEVICE FOR COOLING MILK OR BUTTER.
SPECIFICATION forming part of Letters Patent No. 490,005, dated January 17, 1893.
Application filed August 27, 1892. Serial No. 444,272. (No model.)To cll whomn it ya conce:7'7
Be it known that I, JOSEPH L. WILDER, a
citizen of the United States, resid ing at Mexia,
in the county of Limestone and State of Texas,
5 have invented certain new and useful Im-
provements in Devices for Cooling Milk and
Butter; and I do hereby declare that the fol-
lowing is a full, clear, and exact description of
thesame, reference being had to the annexed
to drawings, making a part of this specification,
and to the letters of reference marked thereon.
The present invention has relation to that
class of devices for cooling and preserving
milk, butter and other articles of food by the
15 reduction of the temperature through the
medium of evaporation, and the invention
consists in the details of construction sub-
stantially as shown in the drawings and here-
inafter described and claimed.
20 Figure 1 of the drawings represents a part
sectional elevation of my improved device.
Fig. 2 a detail perspective view of one of the
shelves showing the vertical bars connected
thereto which form the frame of the device.
25 Fig. 3 a modification thereof.
In the accompanying drawings A B C rep-
resent vertical bars which form together the
frame of the device, said bars being of wood
or other suitable material and having con-
30 nected thereto a series of horizontal shelves
D for supporting suitable receptacles which
contain the milk, butter, or other food to be
retained in a cool temperature. The upper
one of the shelves as shown at E is somewhat
35 different in construction and is for the pur
pose of supporting a vat F for containing wa-
ter, said vat being of any suitable size to hold
any amount of liquid as circumstances may
require. If preferred the vat may be of such
40 capacity as will hold a sufficient amount of
water to last at least twelve hours so that it
will not require filling as often as otherwise,
but this may be discretionary with the manu-
facturer, or if desired vats of different sizes
45 may be adapted for use with the device. The
vat as will be seen has a central tubular open-
ing a to admit the screw-eye b which extends
into the tubular opening and has engaging
therewith a suspension rod G, the upper end
50 of said rod being connected to a hook c se-
cured to the ceiling, bracket, or any other
stationary object found most convenient.Around the vertical bars which constitute
the frame of the device is wrapped the jacket
-I of suitable material such as textile or 55
woven fabric or any like absorbent material.
This jacket is gathered at both top and bot-
tom by suitable strings, or any other preferred
means may be employed for drawing the jacket
around the upper and lower ends of the de- 6o
vice after said jacket has been wet with wa-
ter and placed around the same. As will be
seen, the upper end of the jacket rests in the
water contained in the vat and by capillary
action, the water will be thoroughly distrib- 65
uted over the jacket and the drippings at the
bottom thereof will be caught in a pail or
other receptacle placed there for the purpose.
It is the purpose of the invention to secure
a free circulation of cool air around the milk 70
or other food in the receptacles which are
placed upon the shelves, and to successfully
secure this object it will be necessary to have
the air pass into the space from one shelf to
the other. Were there not some means to se- 75
cure this free circulation of the air from top
to bottom of the device and around the shelves
and into the spaces between the same, the
process of preserving and cooling the food
would not be as successfully accomplished. 80o
To secure a passage for the air into the
spaces above and below the shelves, the same
are provided with outlets d, and the recepta-
cles to contain the milk or other food as shown
at I, are held above the shelves by suitable 85
supports e. By this means the air has a free
circulation from top to bottom of the device
and around the receptacles containing the
milk, butter or other food.
In Figs. 1 and 2 I have shown the shelves 90o
as made solid in the shape of a disk, and to
provide an outlet for the air, a central hole
is made through the shelf, and the supports
are in the form of wire staples, but this con-
struction is not necessary to the successful 95
operation of the device, as in place of the
solid shelves above described, the shelves may
be constructed of slats as shown in Fig. 3 and
studs in place of the staples will serve the
same purpose. In such construction however 1oo
it would be found desirable to provide
strengthening hoops K connected as shown in
Fig. 3 which will tend to make the device
more rigid and serviceable and the slatted
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Wilder, Joseph L. Device-for-Cooling-Milk-or-Butter, patent, January 17, 1893; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth173287/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.