US347174A - Milk-can - Google Patents

Milk-can Download PDF

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US347174A
US347174A US347174DA US347174A US 347174 A US347174 A US 347174A US 347174D A US347174D A US 347174DA US 347174 A US347174 A US 347174A
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Prior art keywords
milk
tube
air
cover
same
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits

Definitions

  • MILK JAN.
  • IJV VEJV' TOR W MM Attorney 1
  • Figure l is a side view of my improved can.
  • Fig. 2 is a plan view of the same .with the cover removed.
  • Fig. 3 is avertical central;
  • the invention relates to improvements in milk-cans, the object beingto cause a circulation of air through the can by means of the a'ni-' mal heat of the new milk, and, by means of the current thus produced, to aid in cooling the milk.
  • the invention consists, essentially, in a can provided with a central vertical air-tube running therethrough, and connected at its lower end with a similar tube which risesoutside the can, so that the air in the first tube, being heated by the warm milk, will rise and cause an ascending air-current till the milk is cool.
  • A designates a milk-can supported on the feet a, for convenience in fitting the necessary tubmg.
  • 'B is acentral vertical tube rising from the bottom of the can to a point above its upper edge, as shown.
  • said cover rises and converges toward its oen- E is a tube rising along the side of the can to a point above the upper edge of the same, and having preferably a piece of tubing, e, bent into two elbows, slipped into its upper end.
  • the object of this double elbow, which has its mouth downward when in place, is to prevent dirt or, dust from entering the tube E.
  • the lower part, e, of the tube E is bent horizontally and passes beneath the can. Its end then is bent upward and communicates through the bottom of the can with the lower end of the tube 13.
  • the tube E is held to the body of the can by one or more stay-pieces, e", as shown.
  • the tubeB is preferably of larger diameter than the tube E, to increase the cooling-surface,and so that a larger amount of cool air will be drawn in the can and upward therefrom; but, if desired, the tubing may all have the same caliber, so that a tube may be run through the bottom of and fitted to a can of ordinary construction.
  • the can may have two bottoms, and the bend of the pipe E run through its side between the same, as shown in Fig. 3.
  • the milk while warm is poured into the can and surrounds the tube B.
  • the natural heat of the milk warms the air in said tube and causes an ascending current,which is kept up as long as the milk is warm by air flowing in through the tube E.
  • the perforations in the cap of the cover allow the air to pass out of the can, so that there is no interference with the circulation.
  • the cover having a larger diameter than the can, and being supported above the edge of the same, also permits an outflow of air.
  • the cover is made of considerably larger diameter than the can, and is supported by the lugs, so that the outfiow of air can go on, while the cover protects the milk. By these means not only is the milk more rapidly cooled, but all odors are conveyed away with the outfiowing air,and the milk rendered more sweet and palatable.
  • the outflowing current also prevents the milk from absorbing gases from the surrounding air and being spoiled thereby.
  • the can sets In practice the can sets .in an ice-vessel of cold water, and all water condensed on the cover will flow down the sides thereof and drop into the ice-vessel or outside of the can, so that the milk is not diluted by the same.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dairy Products (AREA)
  • Confectionery (AREA)

Description

(No Model.)
v O. L. HALL.
MILK (JAN.
Patented Aug. 10, 1886.
IJV VEJV' TOR W MM Attorney 1|. PETERS. Photo-WW", Wuhinglom n. c.
UNITED STATES PATENT OEEIGE.
GASSIUS' L. HALL, OF YPSILANTI, MICHIGAN.
MILK-CAN.
SPECIFICATION forming part of Letters Patent No. 347,174, dated August 10, 1886.
Application filed December 19, 1885. Serial No. 186,177. (No model.)
nying drawings, and to the letters of refer-' ence marked thereon, which form part of this specification, in which Figure l is a side view of my improved can. Fig. 2 is a plan view of the same .with the cover removed. Fig. 3 is avertical central;
section of the can. p
The invention relates to improvements in milk-cans, the object beingto cause a circulation of air through the can by means of the a'ni-' mal heat of the new milk, and, by means of the current thus produced, to aid in cooling the milk.
The invention consists, essentially, in a can provided with a central vertical air-tube running therethrough, and connected at its lower end with a similar tube which risesoutside the can, so that the air in the first tube, being heated by the warm milk, will rise and cause an ascending air-current till the milk is cool.
' Referring to the accompanying drawings, A designates a milk-can supported on the feet a, for convenience in fitting the necessary tubmg.
'B is acentral vertical tube rising from the bottom of the can to a point above its upper edge, as shown.
b bare lugs on the outside of the can, adjacent to its upper edge, and arranged to support the rim or flange c of the cover 0. The
said cover rises and converges toward its oen- E is a tube rising along the side of the can to a point above the upper edge of the same, and having preferably a piece of tubing, e, bent into two elbows, slipped into its upper end. The object of this double elbow, which has its mouth downward when in place, is to prevent dirt or, dust from entering the tube E. The lower part, e, of the tube E is bent horizontally and passes beneath the can. Its end then is bent upward and communicates through the bottom of the can with the lower end of the tube 13. The tube E is held to the body of the can by one or more stay-pieces, e", as shown. The tubeB is preferably of larger diameter than the tube E, to increase the cooling-surface,and so that a larger amount of cool air will be drawn in the can and upward therefrom; but, if desired, the tubing may all have the same caliber, so that a tube may be run through the bottom of and fitted to a can of ordinary construction.
If desired, the can may have two bottoms, and the bend of the pipe E run through its side between the same, as shown in Fig. 3.
The milk while warm is poured into the can and surrounds the tube B. The natural heat of the milk warms the air in said tube and causes an ascending current,which is kept up as long as the milk is warm by air flowing in through the tube E.
The perforations in the cap of the cover allow the air to pass out of the can, so that there is no interference with the circulation. The cover, having a larger diameter than the can, and being supported above the edge of the same, also permits an outflow of air. The cover is made of considerably larger diameter than the can, and is supported by the lugs, so that the outfiow of air can go on, while the cover protects the milk. By these means not only is the milk more rapidly cooled, but all odors are conveyed away with the outfiowing air,and the milk rendered more sweet and palatable. The outflowing current also prevents the milk from absorbing gases from the surrounding air and being spoiled thereby.
In practice the can sets .in an ice-vessel of cold water, and all water condensed on the cover will flow down the sides thereof and drop into the ice-vessel or outside of the can, so that the milk is not diluted by the same.
Having" described my invention, I clui1nl. The combination, with the milk-can A, provided with a cover, 0, having a cap, 0, the sides of which are of perforated metal or \viregauze, of the central vertical tube,l3, and the tube E, opening into the lower end thereof, substantially as described.
2. In a milk-can, the combination of the cover 0, provided with a periorated cap, 0, having a larger diameter than the body of the can and resting upon the lugs b I), secured to said body in such manner that air can pass between the cover and body, the tube B, rising vertically in the can to a point above the upper edge of the same, and the tubing E, rising on the outside of the can and communicating with the lower end efthe tube B, substau-- tially as specified.
3. As an article of manufacture, the milkean composed of the body A, the cap 0, of
(JASSIUS L. HALL.
\Vi tn esScS:
1G. 1. ALLEN, JOHN H. Fox.
US347174D Milk-can Expired - Lifetime US347174A (en)

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