USRE3358E - Improved lard-cooler - Google Patents

Improved lard-cooler Download PDF

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Publication number
USRE3358E
USRE3358E US RE3358 E USRE3358 E US RE3358E
Authority
US
United States
Prior art keywords
vessel
lard
tank
shaft
arms
Prior art date
Application number
Other languages
English (en)
Inventor
And J. L. Cassaed
Original Assignee
F Geoege Oaeleton Oassaed
Publication date

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  • Figure 2 is a horizontal section through the lille :c :t of fig. 1.
  • Figure 3 is a detached view of one of the sorapers, ,with the spring by which it is supported.
  • the object of this invention is to enable lard to be rapidly cooled in large quantities, by machinery, in such a vmanner that it shall not grannlate, thereby improving its qnality.
  • a A' represent the supporting frame, preferably of wood, the table upon which the tank rests being designated by the letter A, and that part of the frame which projects above saidtable, to support the shaft# ing and gearing, being represented by A'.
  • a vessel, C of sheet-mctal-or cast-iron, the walls of which are cylindrical and vertical, its bottom being funnel-shaped to help convey the lard to the discharge-pipe, and terminating at its centre or lower extremity in a discharge-pipe, D, provided with a cock, E.
  • the side walls of the vessel O project slightly above the walls of the tank B, in order that any accidental overflow of the tank may not pass into the vessel.
  • the top or most contracted portion of the tank fits closely against the vessel all around it, but below that point, the walls of the tank recede from the vessel, leaving a space, F, between them.
  • the bottom of the vessel C rests upon' the bottom of the tank, leaving an extension of-the space F all around and under the bottom of the enclosed vessel.
  • Pipes G H pass through the wall of the tank, and connect with this space, in Order to enable the operator to fill it .with cold water, or a current'of cold air,
  • the tankand vessel C being thus constructed and arranged, I hang a vertical shaft, I,- (which is made Vhollow if for air connection,) in the centre of -the vessel C, attaching it by boxes 'i i to the frame A', and providing collars, i t', above and below the boxes, to prevent the shaft from working up and down.
  • This shaft is connected, to the line-shaft J, by any kind of suitable gearing, as shown at K K;
  • each arm when hollow, having a series of Openings, a a a, along its side.
  • the lower end I', of the vertical shaft, below the lorizontal arms, is always made solid.
  • I" is a tube, inserted intohe upper end of the tubular shaft I, through which air may be forced into the shaft, and from the latter through the arms L L and the holes c tinto the vessel C.
  • the arms L L and P P serve to support a set of upright wooden slats, m m.
  • n yn is attached to the cross-heam A overhead, and projects down into the vessel O, nearly to the hollow arms.
  • the slats m m are carried round, passing between the othe1's,1tn, and thoroughly .agit-ating the liquid contents of the vessel.
  • I attach a set of inclined rwooden Scrapers, yr lr, by means of bent springs s s, to the under side of the arms P P, and the outer side of the standards P'P', arranging the scrapers so that, as the central shaft rotates on its vertical axis, they will be drawn around upon the bottom and against theside walls of the vessel, thoroughly scraping the lard from the inner surface of the vessel, and preventing a deposit, or accumulation of cold lard upon that surface, while the lard at other points remains warm andfliquid.
  • the melted lard is introduced into the vessel O, filling the latter, as shown by the broken red lines of fig.l
  • the central lard-discharge D when used in a lard-cooler, substantially as ⁇ and for the purpose set forth.

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