US2458113A - Freezing and dehydrating tray - Google Patents

Freezing and dehydrating tray Download PDF

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Publication number
US2458113A
US2458113A US693263A US69326346A US2458113A US 2458113 A US2458113 A US 2458113A US 693263 A US693263 A US 693263A US 69326346 A US69326346 A US 69326346A US 2458113 A US2458113 A US 2458113A
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Prior art keywords
tray
freezing
screen
binding
dehydrating
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Expired - Lifetime
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US693263A
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Glenn W Stevens
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/14—Chambers, containers, receptacles of simple construction
    • F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves

Definitions

  • This invention relates generally to freezing and dehydrating arts, and particularly to a tray and method of forming same.
  • the first object of this invention is to provide an exceedingly simple and efficient form of light weight metal tray, in which the cost is kept to a minimum, and the need for an intermediate brace is entirely eliminated.
  • the second object is to produce a tray which will be sanitary to the extent that there will be no inaccessible Voids within which foreign substances may lodge.
  • Fig. 1 is a perspective view of a tray.
  • Fig. 2 is a fragmentary plane showing one corner of the tray.
  • Fig. 3 is a section taken along the line 3-3 in Fig. 2.
  • Fig. 4 is a section taken along the line 4-4 in Fig. 3.
  • a rectangular frame of angle bar construction in which the legs Ill are substantially vertical and the legs H are substantially horizontal when the tray is inuse, the sides of the tray being preferably joined by welding to make same smooth and strong at the corner joints.
  • Any convenient metal may be employed, but I prefer to use an aluminum alloy which is readily pierced for reasons which will be explained later.
  • the tray itself consists of a screen, which may be of any clesired mesh or kind of material, but I prefer to use galvanized steel screen owing to its low cost and relative rigidity.
  • 2 is cut to a size enabling its edge' to be turned backwardly to form a selvage on the under side of the main body of same, and the metal binding
  • the binding M is also of a material which is readily pierced.
  • the next step in the construction of the tray is to place a layer of plastic material
  • This plastic may be either one of those having a Wood base or a rubber base, or any other suitable material into which the wires of the edge iii? may be imbedded when forced downwardly, by pressure on the top side i of the screen
  • Staples lt are now forced through the binding 14 and legs H and the ends II clinched as shown in Fig. 4. It will be noted that in Figs. 3 and 4, the voids between the binding Ill and the legs ll are entirely filled with plastic, thereby removing any tendency for materials to accumulate thereunder.
  • a tray of the class described consisting of an angle bar having a layer of plastic disposed upon one leg thereof on the inner side of said bar, in combination with a screen having an inturned edge adapted to rest upon said bar and a binding strip within said inturned edge, together with staples extending through said screen binding strips and angle bar support.

Description

Jan- 4, 1949. G. w. sTEvr-:Ns
FREEZING AND DEHYDRATNG. TRAY Filed Aug. 27, 1946 vi T 4 JNW A f.
Patented Jan. 4, 1949 mam UNITED sTATEs reNT oFFlcE FREEZING AND DEHYDRATING TRAY Glenn W. Stevens, Salem, Oreg.
Application August 27, 1946, Serial No. 693,263
1 Claim. l
This invention relates generally to freezing and dehydrating arts, and particularly to a tray and method of forming same.
The first object of this invention is to provide an exceedingly simple and efficient form of light weight metal tray, in which the cost is kept to a minimum, and the need for an intermediate brace is entirely eliminated.
The second object is to produce a tray which will be sanitary to the extent that there will be no inaccessible Voids within which foreign substances may lodge.
I accomplish these and, other objects in the manner set forth in the following specifications, as illustrated in the accompanying drawing in which:
Fig. 1 is a perspective view of a tray.
Fig. 2 is a fragmentary plane showing one corner of the tray.
Fig. 3 is a section taken along the line 3-3 in Fig. 2.
Fig. 4 is a section taken along the line 4-4 in Fig. 3.
Similar numbers of reference refer to the same or similar parts throughout the several views.
Referring in detail to the drawing, there is shown a rectangular frame of angle bar construction, in which the legs Ill are substantially vertical and the legs H are substantially horizontal when the tray is inuse, the sides of the tray being preferably joined by welding to make same smooth and strong at the corner joints.
Any convenient metal may be employed, but I prefer to use an aluminum alloy which is readily pierced for reasons which will be explained later.
The tray itself consists of a screen, which may be of any clesired mesh or kind of material, but I prefer to use galvanized steel screen owing to its low cost and relative rigidity.
The screen |2 is cut to a size enabling its edge' to be turned backwardly to form a selvage on the under side of the main body of same, and the metal binding |4 placed between the inturned edge I3 and the main screen portion 12. The binding M is also of a material which is readily pierced.
Assuming that the screen |2 had been formed to shape and provided with the binding |4, the next step in the construction of the tray is to place a layer of plastic material |5, upon the upper side of the legs Il. This plastic may be either one of those having a Wood base or a rubber base, or any other suitable material into which the wires of the edge iii? may be imbedded when forced downwardly, by pressure on the top side i of the screen |2.
Staples lt are now forced through the binding 14 and legs H and the ends II clinched as shown in Fig. 4. It will be noted that in Figs. 3 and 4, the voids between the binding Ill and the legs ll are entirely filled with plastic, thereby removing any tendency for materials to accumulate thereunder.
It will be observed that by this construction there can be no weakening between the staples lt, and therefo-re all of the wires in the screen 12 remain under full tension, rendering unnecessary the use of an auxiliary support as shown in my previously filed application, Serial Number 589,823, filed April 23, 1945, now abandoned.
While I have thus illustrated and described my invention, it is not my desire to be limited to the precise form shown herein, but I intend to cover such forms and modifications of the invention as fall fairly within the appended claim.
I claim:
A tray of the class described, consisting of an angle bar having a layer of plastic disposed upon one leg thereof on the inner side of said bar, in combination with a screen having an inturned edge adapted to rest upon said bar and a binding strip within said inturned edge, together with staples extending through said screen binding strips and angle bar support.
GLENN W. STEVENS.
REFERENCES CITED The following references are of record'in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,207,850 Bried Dec, 12, 1916 1,749,485 Kastead Mar. 4, 1930 1,934,763 Julien Nov. 14, 1933 2,127,39'7 Freedlander Aug. 16, 1938 2,274,104 Stanley Feb. 24, 1942
US693263A 1946-08-27 1946-08-27 Freezing and dehydrating tray Expired - Lifetime US2458113A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530170A (en) * 1948-03-15 1950-11-14 Midwest Game Co Inc Shipping crate for animals
US2677198A (en) * 1951-02-23 1954-05-04 Read Standard Corp Bread cooling tray
US2734283A (en) * 1956-02-14 Conveyor trays
US2745554A (en) * 1956-05-15 Filtering system for screening irrigation water
US4417978A (en) * 1979-09-24 1983-11-29 Guth Karl V L Centrifugal screening device
US20170059249A1 (en) * 2013-12-10 2017-03-02 Taiyo Wire Cloth Co., Ltd. Heat treatment jig and heat treatment jig assembly apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1207850A (en) * 1915-08-23 1916-12-12 Julien A Bried Screen-frame.
US1749485A (en) * 1929-02-11 1930-03-04 Kastead Rose Drier
US1934763A (en) * 1932-06-20 1933-11-14 Benjamin E Gallaspy Railway crossing
US2127397A (en) * 1937-03-08 1938-08-16 Dayton Rubber Mfg Co Strainer
US2274104A (en) * 1939-11-25 1942-02-24 Alco Fabricating Corp Drying frame or tray

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1207850A (en) * 1915-08-23 1916-12-12 Julien A Bried Screen-frame.
US1749485A (en) * 1929-02-11 1930-03-04 Kastead Rose Drier
US1934763A (en) * 1932-06-20 1933-11-14 Benjamin E Gallaspy Railway crossing
US2127397A (en) * 1937-03-08 1938-08-16 Dayton Rubber Mfg Co Strainer
US2274104A (en) * 1939-11-25 1942-02-24 Alco Fabricating Corp Drying frame or tray

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734283A (en) * 1956-02-14 Conveyor trays
US2745554A (en) * 1956-05-15 Filtering system for screening irrigation water
US2530170A (en) * 1948-03-15 1950-11-14 Midwest Game Co Inc Shipping crate for animals
US2677198A (en) * 1951-02-23 1954-05-04 Read Standard Corp Bread cooling tray
US4417978A (en) * 1979-09-24 1983-11-29 Guth Karl V L Centrifugal screening device
US20170059249A1 (en) * 2013-12-10 2017-03-02 Taiyo Wire Cloth Co., Ltd. Heat treatment jig and heat treatment jig assembly apparatus

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