US2645332A - Picnic box - Google Patents

Picnic box Download PDF

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Publication number
US2645332A
US2645332A US236362A US23636251A US2645332A US 2645332 A US2645332 A US 2645332A US 236362 A US236362 A US 236362A US 23636251 A US23636251 A US 23636251A US 2645332 A US2645332 A US 2645332A
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United States
Prior art keywords
compartment
shell
lock
outer body
cover
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Expired - Lifetime
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US236362A
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Martin Nora Bridges
Eric K Lotthammer
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MARTIN
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MARTIN
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    • 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
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20—Lunch or picnic boxes or the like
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/081—Devices using cold storage material, i.e. ice or other freezable liquid using ice cubes or crushed ice
    • 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
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/084—Position of the cold storage material in relationship to a product to be cooled
    • F25D2303/0845—Position of the cold storage material in relationship to a product to be cooled below the product
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers

Definitions

  • the sandwich compartment thereby being more remote from the ice compartment.
  • Fig. 1 is a perspective View of a picnic box embodying the features of the present invention.
  • Fig. 2 is a vertical sectional View of the picnic box taken on line 2-2 of Fig. l.
  • Fig. 3 is an enlarged fragmentary view of the locking device for thehinged top cover.
  • Fig. 4 is a vertical sectional view of the locking device taken on line 4--4l of Fig. 3.
  • Fig. 5 is a fragmentary transverse sectional view taken on line 5-5 of Fig. ⁇ 4.
  • Fig. 6 is an enlarged fragmentary sectional view showingthe details ofthe means for locking the base of the picnic box in place.
  • Fig. 7 is a fragmentary transverse sectional View taken on line 'I-l ⁇ of Fig 6.
  • Fig. 8 is an exploded perspective view of the compartments with portion broken away from one of such compartments to show the interior construction thereof.
  • I represents an outer body shell having an integral side wall I9 with an inwardly turned rim fiange I5 at the bottom and an integral inwardly turned rim I9 at the top.
  • Shell I is provided with a removable bottom 2 and an inner 3 ⁇ secured to the shell 2.
  • the inner surface of the outer base shell 2 is provided with shoulders 32 adapted to resiliently engage the edges of inner base shell 3 and also to prevent horizontal displacement of the same.
  • a layer of insulation I2 is inserted between the outer base shell 2 and the inner base shell 3.
  • Releasable means are provided for locking the outer base shell 2 to the lower horizontal rim I5 consisting of four lock lugs 4, which respectively extend through openings 33 located in each corner of the outer base shell 2.
  • the lower horizontal rim I5. is provided with correspondingly locatedlug seats I6 adapted to engage lock jacket ⁇ lugs 4 when the same are in. the engaging position. Slots cut in the heads of the lock lugs 4 allow them to be turned by the insertion of By rotating the lock lugs 4 a quarter of a turn in either direction, the lugs 4 are disengaged and the base shells 2 and 3 can be removed.
  • the lock lugs 4 also serve as feet which keep the basket ⁇ proper from contacting the ground.
  • the large compartment 6 is fitted into the shell body and is retained therein by the upper and lower rims I9 and I5.
  • the central glass compartment 6 is insulated from the shell body I by insulation I3. ⁇
  • the inner central body v thus extends substantially the whole length of the shell body I and is retained by the rims.
  • a removable lower glass compartment 5 rests on the upper surface of the inner cover shell 3 when the same is in place on the shell body I.
  • This lower glass compartment 5 is filled with ice cubes or Dry Ice before insertion Vin the picnic glass box and serves to cool the central glass compartment 6.
  • a removable upper glass compartment 'I is fitted in the upper partof the central compartment B and rests upon the shoulder 20 thereof. This compartment serves to contain sandwiches and such foods which do f not ⁇ require the cooling that is.
  • VA layer of insulation I 4 is inserted between the outer cover shell 8 and the inner cover shell 9.
  • the underside of inner cover shell 9 has cemented thereto a rubber gasket 31, said gasketserving as a heat insulator and also to hold the uppery glass compartment 1 in position.
  • the outer cover shell 8 is provided with a handle 2l for carrying, hingesI for attaching lit to the outer body Vshell I on one side thereof,
  • each of the lock assemblies comprises an upper lock arm 25 permanently fastened to the outer surface of the outer cover shell in 'conventional manner, a lower lock arm 2G connected at its upper edge to the upper lock arm 25 by means of a hinge, the lower lock arm 26- being provided with lug seats 21, a lock knob 28 adapted at the inner edges thereof to engage the lug seats 21, the lock knob 28 containing on its inner surface a guide pin 219 permanently connected at its inner ends to the outer body shell I in conventional manner, the lock knob 28 also containing on the inner surfacerthereof a flanged spring shell 3E) resiliently connected at the outer end to the lock Vknob 28 and adapted on its inner edge to move horizontally upon the guide pin 29, and the helical spring 3i closed within the flanged spring shell 28.
  • concentric with the guide pin 29 and the hanged spring shell 3D, keeps the lock knob 28 in normal engagement with the lug seats 21.
  • the lock arm 28 is Ypulled outwardly disengaging same from the lug seats 21.
  • the lock knob 28 is then given a quarter of a ⁇ turn in either direction to allow the inner edges of the lock knob to be swung away from the lug seats 21.
  • the cover may now be swung open permitting access to the upper glass compartment 1.
  • the upper glass compartment 1 is provided with a central partition 23, having a slot 2li therein.
  • the slot 24 provides a handle, permitting removal of the upper compartment 1, and access to the central glass compartment 6.
  • the centtral glass compartment 6 is provided with a partition 22. This partition provides an auxiliary compartment in which butter and other dairy products may be kept separate from the soda.
  • novel picnic box having various accessible insulated food andV soda compartments which are kept in cooled condition by the cooling action of ice cubes or Dry Ice, said picnic box having an insulated cooling compartment containing ice cubes or Dry Ice and which is readily removable by the user. Further, there is provided a novel picnic box having a readily removable uppercompartment 4 leaving access to the central soda containing compartment.
  • said outer body shell comprising four lock lugs located in each corner of said outer base shell, the lower horizontal rim of said outer body shell being provided with lug seats engaging said lock lugs, said lock lugs havingheads provided with slots, a removable lower glass compartment resting on said inner base shell in nesting relationship to said outer body shell, said lower compartment having a rubber seal on the upper edges thereof and a central glass compartment receiving the upper edges of said lower compartment in nesting relationship to said outer body shell, the lower Walls of said central compartment extending beyond the bottom thereof and surrounding said lower compartment and further extending downwardly to rest on the lower horizontal rim of said outer body shell, the upper walls of said central compartment extending upwardly to the top of said outer body shell, a layer of insulation inserted between said central compartment and said outer body shell, a' removable upper glass compartment in said central compartment in nesting relationship thereto, a removable cover for said outer body shell, said cover comprising inner and outer
  • a picnic boX comprising an outer body shell, the upper and lower portions of said body shell being turned inwardly at substantially right angles forming upper and lower horizontal ends, a removable. base for said outer body shell, said base comprising inner and outer base shells and a layer of insulation inserted between said inner and outer base shells, releasable means for locking said base to said outer body shell and comprising four lock lugs located in each corner of said outer base shell, the lower horizontal rim of said outer body shell being provided with lug seatsengaging said lock lugs, said lock lugs having heads provided with slots, a removable lower glass compartment on said inner basev shell in nesting relation to said outer body shell, said lower compartment having a rubber seal on the upper edges upper horizontal rim of said outer body shell,
  • said upper walls being provided on the inner edges thereof with a shoulder, a layer of insulation inserted between said central compartment and said outer body shell, a removable upper glass compartment resting on the shoulder of said central compartment in nesting relationship thereto, a removable cover for said outer body shell, said cover comprising inner and outer cover shells, a layer of insulation inserted between said inner and outer cover shells, and a rubber gasket cemented to the under side of said inner cover shell, said gasket contacting the upper edges of said upper compartment whereby to seal same, and means for releasably securing said cover to said outer body shell comprising hinges rotatably securing said outer cover shell to said outer body shell on one side thereof, and lock assemblies releasably securing said outer cover shell to said outer body shell on the opposite side thereof, each of said lock assemblies comprising an upper lock arm fastened to the outer surface of said outer cover ⁇ shell, a lower lock arm connected at its upper edge to said upper lock arm by means of a hinge, said lower lock arm being provided with lug seats
  • a picnic box according to claim 1, wherein the central glass compartment is provided with partitions dividing same into inner compartments, the upper removable glass compartment being provided with partitions dividing same into compartments, the central partition of said upper compartment having provided therein a slot whereby said central partition may be gripped like a handle to effe-ct removal of same from the lunch box.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Description

July 14, 1953 N. B. MARTIN E-rAL PICNIC BOX NORA MART/N Bf( ERIC K- LOTTHAMHER v Il 4 Filed July 12, 1951 Patented July 14,M 1953 PICNIC BOX Nora Bridges Martin, Chicago, Ill., and Eric K. Lotthammer, Jamaica, N. Y.; said Lotthammer assignor to said Martin i Application July 12, 1951, Serial No. 236,362
3 Claims. (Cl. 20G- 4) This invention relates to picnic boxes.
It is an object of the present invention to provide a portable picnic box having various insulated food and soda compartments which are kept in a cooled conditionV by the cooling action of ice cubes or dry ice and to prevent sandwiches from spoiling while at the same time maintaining soft drinks and dairy products in a cooled condition. Y
It is another object of the invention to provide in a picnic box an assembly of trays or compartments wherein one of the trays may contain the cooling medium, such as Dry Ice and the other compartment will contain a soda bottle or drinks, the ice compartment being beneath the cold drink compartment to afford maximum cooling for the soda drinks and the third compartment being engageable with the principal compartment over the soda `water compartment and adapted to contain sandwiches which do not require the cooling that the soda drink requires. The sandwich compartment thereby being more remote from the ice compartment.
It is another object of the present invention to provide a picnic box having an insulated cooling compartment containing ice cubes or Dry Ice and which is readily removable by the user.
It is a further object of the invention to provide a picnic box having readily removable external parts to permit access to the top and bottom compartments and wherein access to the intermediate or soda water compartment is effected by the removal of one of the outer compartments.
Other objects of the invention are to provide a picnic box which is of simple construction, easy to assemble, inexpensive to manufacture, sturdy and rugged, compact, of pleasing appearance and efficient in operation.
For a better understanding of the invention, reference may be had to the following detailed description taken in connection with the accompanying drawing, in which:
Fig. 1 is a perspective View of a picnic box embodying the features of the present invention.
Fig. 2 is a vertical sectional View of the picnic box taken on line 2-2 of Fig. l.
Fig. 3 is an enlarged fragmentary view of the locking device for thehinged top cover.
Fig. 4 is a vertical sectional view of the locking device taken on line 4--4l of Fig. 3.
Fig. 5 is a fragmentary transverse sectional view taken on line 5-5 of Fig.` 4.
Fig. 6 is an enlarged fragmentary sectional view showingthe details ofthe means for locking the base of the picnic box in place.
a coin thereinto.
Fig. 7 is a fragmentary transverse sectional View taken on line 'I-l `of Fig 6.
Fig. 8 is an exploded perspective view of the compartments with portion broken away from one of such compartments to show the interior construction thereof.
Referring now particularly to Figs. 1 and 2, I represents an outer body shell having an integral side wall I9 with an inwardly turned rim fiange I5 at the bottom and an integral inwardly turned rim I9 at the top. Shell I is provided with a removable bottom 2 and an inner 3` secured to the shell 2.
The inner surface of the outer base shell 2 is provided with shoulders 32 adapted to resiliently engage the edges of inner base shell 3 and also to prevent horizontal displacement of the same. A layer of insulation I2 is inserted between the outer base shell 2 and the inner base shell 3.
Releasable means are provided for locking the outer base shell 2 to the lower horizontal rim I5 consisting of four lock lugs 4, which respectively extend through openings 33 located in each corner of the outer base shell 2. The lower horizontal rim I5.is provided with correspondingly locatedlug seats I6 adapted to engage lock jacket `lugs 4 when the same are in. the engaging position. Slots cut in the heads of the lock lugs 4 allow them to be turned by the insertion of By rotating the lock lugs 4 a quarter of a turn in either direction, the lugs 4 are disengaged and the base shells 2 and 3 can be removed. The lock lugs 4 also serve as feet which keep the basket `proper from contacting the ground.
The large compartment 6 is fitted into the shell body and is retained therein by the upper and lower rims I9 and I5. The central glass compartment 6 is insulated from the shell body I by insulation I3.` The inner central body vthereby extends substantially the whole length of the shell body I and is retained by the rims. A removable lower glass compartment 5 rests on the upper surface of the inner cover shell 3 when the same is in place on the shell body I. This lower glass compartment 5 is filled with ice cubes or Dry Ice before insertion Vin the picnic glass box and serves to cool the central glass compartment 6. A removable upper glass compartment 'I is fitted in the upper partof the central compartment B and rests upon the shoulder 20 thereof. This compartment serves to contain sandwiches and such foods which do f not` require the cooling that is. required by the bottled or liquid goods which are disposed in the Y adapted to resiliently engage the inwardly turned flange 36 of the outer cover shell 8. VA layer of insulation I 4 is inserted between the outer cover shell 8 and the inner cover shell 9. The underside of inner cover shell 9 has cemented thereto a rubber gasket 31, said gasketserving as a heat insulator and also to hold the uppery glass compartment 1 in position.
The outer cover shell 8 is provided with a handle 2l for carrying, hingesI for attaching lit to the outer body Vshell I on one side thereof,
andlock assemblies for releasably securing the outer cover shell8 to the outer body shellv I Yon the other side thereof.
Referring now more particularly to Figs. 3, 4, and 5, each of the lock assemblies comprises an upper lock arm 25 permanently fastened to the outer surface of the outer cover shell in 'conventional manner, a lower lock arm 2G connected at its upper edge to the upper lock arm 25 by means of a hinge, the lower lock arm 26- being provided with lug seats 21, a lock knob 28 adapted at the inner edges thereof to engage the lug seats 21, the lock knob 28 containing on its inner surface a guide pin 219 permanently connected at its inner ends to the outer body shell I in conventional manner, the lock knob 28 also containing on the inner surfacerthereof a flanged spring shell 3E) resiliently connected at the outer end to the lock Vknob 28 and adapted on its inner edge to move horizontally upon the guide pin 29, and the helical spring 3i closed within the flanged spring shell 28. The enclosed spring 3|, concentric with the guide pin 29 and the hanged spring shell 3D, keeps the lock knob 28 in normal engagement with the lug seats 21. To
:disengage the lock assembly, the lock arm 28 is Ypulled outwardly disengaging same from the lug seats 21. The lock knob 28 is then given a quarter of a `turn in either direction to allow the inner edges of the lock knob to be swung away from the lug seats 21.
The cover may now be swung open permitting access to the upper glass compartment 1.
YReferring now to Fig. 8, it will be seen that the upper glass compartment 1 is provided with a central partition 23, having a slot 2li therein. The slot 24 provides a handle, permitting removal of the upper compartment 1, and access to the central glass compartment 6. The centtral glass compartment 6 is provided with a partition 22. This partition provides an auxiliary compartment in which butter and other dairy products may be kept separate from the soda.
It should now be apparent that there has been provided in the present invention a. novel picnic box having various accessible insulated food andV soda compartments which are kept in cooled condition by the cooling action of ice cubes or Dry Ice, said picnic box having an insulated cooling compartment containing ice cubes or Dry Ice and which is readily removable by the user. Further, there is provided a novel picnic box having a readily removable uppercompartment 4 leaving access to the central soda containing compartment.
While various changes may be made in the detail construction, it shall be understood that such changes shall be within the spirit and scope Vbase to said outer body shell comprising four lock lugs located in each corner of said outer base shell, the lower horizontal rim of said outer body shell being provided with lug seats engaging said lock lugs, said lock lugs havingheads provided with slots, a removable lower glass compartment resting on said inner base shell in nesting relationship to said outer body shell, said lower compartment having a rubber seal on the upper edges thereof and a central glass compartment receiving the upper edges of said lower compartment in nesting relationship to said outer body shell, the lower Walls of said central compartment extending beyond the bottom thereof and surrounding said lower compartment and further extending downwardly to rest on the lower horizontal rim of said outer body shell, the upper walls of said central compartment extending upwardly to the top of said outer body shell, a layer of insulation inserted between said central compartment and said outer body shell, a' removable upper glass compartment in said central compartment in nesting relationship thereto, a removable cover for said outer body shell, said cover comprising inner and outer cover shells, a layer of insulation inserted betweenV said inner and outer cover shells, and a rubber gasket cemented to the underside of said inner cover shell, and means for releasably securing said cover toV said outer body shell.
2. A picnic boX comprising an outer body shell, the upper and lower portions of said body shell being turned inwardly at substantially right angles forming upper and lower horizontal ends, a removable. base for said outer body shell, said base comprising inner and outer base shells and a layer of insulation inserted between said inner and outer base shells, releasable means for locking said base to said outer body shell and comprising four lock lugs located in each corner of said outer base shell, the lower horizontal rim of said outer body shell being provided with lug seatsengaging said lock lugs, said lock lugs having heads provided with slots, a removable lower glass compartment on said inner basev shell in nesting relation to said outer body shell, said lower compartment having a rubber seal on the upper edges upper horizontal rim of said outer body shell,
said upper walls being provided on the inner edges thereof with a shoulder, a layer of insulation inserted between said central compartment and said outer body shell, a removable upper glass compartment resting on the shoulder of said central compartment in nesting relationship thereto, a removable cover for said outer body shell, said cover comprising inner and outer cover shells, a layer of insulation inserted between said inner and outer cover shells, and a rubber gasket cemented to the under side of said inner cover shell, said gasket contacting the upper edges of said upper compartment whereby to seal same, and means for releasably securing said cover to said outer body shell comprising hinges rotatably securing said outer cover shell to said outer body shell on one side thereof, and lock assemblies releasably securing said outer cover shell to said outer body shell on the opposite side thereof, each of said lock assemblies comprising an upper lock arm fastened to the outer surface of said outer cover` shell, a lower lock arm connected at its upper edge to said upper lock arm by means of a hinge, said lower lock arm being provided with lug seats, a lock knob engaging said lug seats, said lock knob containing on its inner surface a guide pin, connected at its inner end to said outer body shell, a flanged spring shell movable horizontally along said guide pin and resiliently connected at its outer end to said lock knob, a
helical spring enclosed within said spring shell whereby said lock knob is held in normal engagement with said lug seats, said cover being provided on the upper face thereof with a handle.
3. A picnic box, according to claim 1, wherein the central glass compartment is provided with partitions dividing same into inner compartments, the upper removable glass compartment being provided with partitions dividing same into compartments, the central partition of said upper compartment having provided therein a slot whereby said central partition may be gripped like a handle to effe-ct removal of same from the lunch box.
NORA BRIDGES MARTIN.
ERIC K. LOTTHAMMER.
References Cited in the file of this patent UNITED STATES PATENTS
US236362A 1951-07-12 1951-07-12 Picnic box Expired - Lifetime US2645332A (en)

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FR2916189A1 (en) * 2007-05-14 2008-11-21 Air Liquide DEVICE FOR TRANSPORTING AND DISPENSING THERMOSENSITIVE PRODUCTS
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US20110121002A1 (en) * 2009-11-20 2011-05-26 Stephanie Stiller Multi-compartment food storage container
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WO2011029009A1 (en) * 2009-09-04 2011-03-10 Intercontinental Hotels Group Food delivery systems and methods
US20110121002A1 (en) * 2009-11-20 2011-05-26 Stephanie Stiller Multi-compartment food storage container
FR2969586A1 (en) * 2010-12-23 2012-06-29 Air Liquide Temperature-sensitive products e.g. drugs, transportation and distribution device, has spring system under dry ice reservoir for maintaining constant distance in predefined range between temperature-sensitive products and dry ice
US8622235B2 (en) * 2012-03-21 2014-01-07 Glen R. Suchecki Insulated container and insert
US20130247606A1 (en) * 2012-03-21 2013-09-26 Glen R. Suchecki Insulated container and insert
IT201600078775A1 (en) * 2016-07-27 2018-01-27 Pazzaglia Srl Semplificata CONTAINER FOR A BETTER CONSERVATION OF FOOD BASED ON A HIGH CONCENTRATION ATMOSPHERE OF CARBON DIOXIDE
DE102017006672A1 (en) * 2017-07-14 2019-01-17 MChef GmbH & Co.KG Transport box especially for partially prepared components of a menu
DE102017006670A1 (en) * 2017-07-14 2019-01-17 MChef GmbH & Co.KG Transport box especially for partially prepared food
US11401099B2 (en) 2019-12-20 2022-08-02 California Innovations Inc. Soft-sided insulated container with hard-sided liner
US11434052B2 (en) 2019-12-20 2022-09-06 California Innovations Inc. Soft-sided insulated container with hard-sided liner

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