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WO2007080359A1 - Recipient - Google Patents

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Info

Publication number
WO2007080359A1
WO2007080359A1 PCT/GB2006/000107 GB2006000107W WO2007080359A1 WO 2007080359 A1 WO2007080359 A1 WO 2007080359A1 GB 2006000107 W GB2006000107 W GB 2006000107W WO 2007080359 A1 WO2007080359 A1 WO 2007080359A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
self
heating container
container
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/GB2006/000107
Other languages
English (en)
Inventor
Anthony Brownlow
Graham Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OPERATIONAL SUPPORT Ltd
Original Assignee
OPERATIONAL SUPPORT Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OPERATIONAL SUPPORT Ltd filed Critical OPERATIONAL SUPPORT Ltd
Priority to EP06700606A priority Critical patent/EP1981381A1/fr
Priority to PCT/GB2006/000107 priority patent/WO2007080359A1/fr
Publication of WO2007080359A1 publication Critical patent/WO2007080359A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/28—Warming devices generating the heat by exothermic reactions, e.g. heat released by the contact of unslaked lime with water

Definitions

  • the invention relates to a self-heating container. Particularly, but not exclusively, the invention relates to a self-heating container for heating canned food. The invention also relates to a method of manufacturing a self-heating container for canned food.
  • a self-heating container housing a tin or can of food.
  • self-heating it is meant that no external heat source is required to heat the contents of the can.
  • the known self-heating container is sold under the registered trade mark HOTCAN (RTM) . It is understood that the HOTCAN produces heat by causing a highly exothermic reaction between water and a material similar to baked limestone which is stored inside of the container. The heat generated by the reaction is used to heat the food in the can.
  • a cavity is provided inside of the HOTCAN in which is placed the can of food.
  • Baked limestone is packed around the can and a bag filled with water is placed, by hand, around the can and above the limestone.
  • the water is dispensed onto the limestone to produce the exothermic reaction.
  • the configuration of the HOTCAN has the disadvantage that the bag of water is difficult to pierce by the consumer. This is because the bag is highly flexible within the body of the container and is therefore readily displaced from an ideal piercing position. Furthermore, due to this flexibility, there is an increased likelihood that the consumer will not accurately pierce the bag. As a result, a variable amount of water is released for mixing with the limestone. This leads to unpredictable heating conditions because the optimum amount of water for self-heating to occur may not be dispensed. Due to this arrangement, this configuration of the self-heating product is unreliable for the consumer.
  • a self-heating container having a body comprising a first compartment for storing a material to be heated; a cavity adapted to house a material suitable for producing an exothermic reaction with a fluid; and a fluid housing having a fluid chamber adapted for storing the fluid and actuable to release the fluid into the cavity to cause said reaction; wherein the fluid housing comprises a wall, and upon actuation of the fluid chamber to release the fluid, the wall remains in a substantially fixed position with respect to the body. Due to the fixed position of the wall, the consumer is able to actuate the fluid housing without said housing deforming or collapsing.
  • the fluid housing is easily and more accurately opened, for example by tearing, ripping or preferably piercing with a piercing member. This results in the correct quantity of fluid being released onto the material in the cavity.
  • the required exothermic reaction occurs in a predictable manner.
  • the wall remains substantially in the fixed position in a longitudinal direction of the self-heating container.
  • the wall may be a top portion or a bottom portion of the fluid housing, or preferably, both said top and bottom portions.
  • the wall may preferably be fixedly attached to the self-heating container, preferably sealingly attached thereto.
  • the wall comprises a sealing surface adapted to be opened, preferably pierced by the piercing member.
  • the sealing surface comprises an aluminium foil.
  • the wall preferably the sealing surface may be opened simultaneously with a lid of said container, preferably using a twisting mode of action.
  • the bottom portion or a side wall of the fluid housing is adapted to open simultaneously with the wall or sealing surface to allow fluid to be dispensed over the material in the cavity.
  • a drawstring arrangement is provided on the self-heating container, preferably on the fluid housing.
  • the drawstring arrangement is adapted to be triggered to cause at least a part of the fluid housing to open to release the fluid.
  • said arrangement is provided on the wall, preferably on the sealing surface .
  • either or both the top and bottom portions are substantially rigid or non-deformable in structure.
  • the fluid housing comprises the top portion, the bottom portion and a side wall all of which are substantially rigid in structure.
  • the fluid housing is preferably substantially rigid and so prevents said housing from changing shape when pierced.
  • the fluid housing is fixed in shape, the consumer is able to successfully pierce the housing upon each application with a piercing tool.
  • the rigid structure allows for reproducible dosing of fluid between containers. The manufacturer is therefore confident that the required temperature for heating the food is being reached by the consumer.
  • all or any of said portions or wall of the fluid housing may be integrally moulded into the container.
  • an aperture is located in the fluid housing, preferably dimensioned to receive the first compartment.
  • the first compartment fits through the aperture to allow the fluid housing to surround a portion of said compartment.
  • the first compartment comprises a can or tin.
  • the can contains a fluid or a solid. Most preferably, the solid is edible.
  • the longitudinal length of the fluid housing is at least substantially equal to half the length of the first compartment. In this manner, the fluid housing extends down the length of the first compartment and so maximises the available space within the container.
  • the fluid chamber is adapted to hold between substantially 50ml to 150ml of fluid, preferably between substantially 75ml to 125ml, most preferably, between substantially 95ml to 105ml of fluid.
  • the fluid chamber comprises an expansion air gap which is preferably substantially between 5% and 15% of the total empty volume of the fluid chamber, most preferably substantially 10% of said total volume.
  • Provision of the air gap allows for expansion of the fluid in sub zero conditions .
  • the air gap ensures that the fluid housing is not damaged during freezing conditions.
  • the fluid in the fluid chamber is water or preferably brine.
  • the material in the cavity comprises a type of limestone.
  • the fluid housing is located above the cavity in the container. In so doing, fluid stored in the fluid housing is dispensed directly on top of the material in the cavity.
  • a rim is provided on the body being located at a first end thereof.
  • the rim comprises at least one hole preferably, three holes are provided on the rim, preferably, equidistantly spaced from each other.
  • a ring which is adapted to be pierced is located on the container.
  • the ring comprises at least one piercing hole.
  • a plurality of piercing holes is provided, preferably around the circumference of said ring.
  • the ring comprises an inner ring which projects upwards from the ring.
  • the ring is located in the container adjacent the rim.
  • the inner ring lies in the same plane as the rim.
  • the ring is manufactured from plastics material.
  • the ring and the fluid housing are integrally moulded as a single piece unit, preferably manufactured from plastics material.
  • the speed of the manufacturing process of the container is increased because the number of component parts of the container is reduced.
  • the single piece unit can be handled by robotic machinery and thus negates the need for manual intervention during manufacture.
  • a lid is provided on the container, preferably in a snap-fit manner.
  • the lid comprises a tool housing adapted for housing a tool suitable for piercing the piercing holes and the fluid housing.
  • a fluid housing for use with a self- heating container, the fluid housing comprising a fluid chamber adapted for storing a fluid and actuable to release the fluid, and a wall, wherein upon actuation of the fluid chamber to release the fluid, the wall remains in a substantially fixed position with respect to the body of the self-heating container.
  • the wall comprises a bottom portion of the fluid housing, or the wall may comprise a top portion of said housing, or both said portions.
  • the fluid housing comprises the top portion, the bottom portion and a side wall all of which are substantially rigid in structure.
  • the wall comprises a sealing surface adapted to be pierced by a piercing tool.
  • the sealing surface comprises an aluminium foil.
  • the wall comprises a sealing portion which is adapted to form a seal with the self-heating container.
  • the sealing portion extends from the sealing surface, preferably to form a seal with the first compartment and preferably also with a ring of said container.
  • the fluid housing maintains its shape when used in a self- heating container.
  • the fluid housing has limited deformation and is therefore more easily pierced or punctured by the consumer.
  • the arrangement provides precision piercing which ensures the required amount of fluid is released from said housing.
  • the fluid housing is cylindrical in shape and preferably comprises an aperture which is adapted to receive a first compartment of the container.
  • the first compartment is adapted to store fluid or solid which are most preferably edible.
  • Provision of the aperture enables the fluid housing to be fitted around the compartment of food which the consumer wishes to heat. This arrangement helps to maintain the first compartment in the optimum position for heating.
  • the fluid housing is integrally moulded to the ring component of the container.
  • the first compartment is a tin or can of food of preferably a standard size for adult, child or baby food.
  • a method of manufacturing a self-heating container comprising the steps of: a) manufacturing a body of a container and a rim of the container; b) sealingly attaching said rim to said body; c) manufacturing a ring and inserting said ring into said body so that the ring lies adjacent the rim; d) manufacturing a fluid housing for use with a self- heating container, the fluid housing comprising a fluid chamber adapted for storing a fluid and actuable to release the fluid, and a wall, wherein upon actuation of the fluid chamber to release the fluid, the wall remains in a substantially fixed position with respect to the body of the self-heating container; e) inserting the fluid housing into the body so that said housing lies adjacent said ring; f) inserting a canister into the body; g) filling a cavity in the body with a material suitable for providing heat to the canister when activated; and h) sealingly attaching a base portion to the
  • the method of manufacturing the known HOTCAN (RTM) self heating container is time consuming because the production line must be stopped in order for the known water bag to be manually placed inside of the container. In addition, due to the water bag being placed by hand inside the can, accurate positioning of the water bag can not be guaranteed. The effect of this is that each self heating container manufactured is likely to be activated by different consumers to different degrees of accuracy.
  • the method of manufacturing the container of the present invention can be operated solely by machinery due to the substantially fixed structure of the fluid housing. Therefore, the efficiency of production is greatly increased.
  • Figure 1 shows a schematic perspective view of a container according to the invention
  • Figure 2 shows a schematic plan view of a part of a container
  • Figure 3 shows a schematic plan view of a further part of a container
  • Figure 4 shows a schematic sectional view of a container
  • Figures 5a, 5b and 5c show a schematic perspective view, a schematic plan view, and a schematic sectional side view respectively of a part of a container;
  • Figure 6 shows a schematic sectional side view of a container
  • Figure 7 shows a schematic side view of a tool for use with a container
  • Figure 8 shows an alternative embodiment of a part of a container according to the invention.
  • Figure 1 shows a container 2 according to the invention.
  • the container 2 is cylindrical in shape and comprises a body 4 and a lid 6.
  • the body 4 comprises a top portion 8 and a base portion 10.
  • the top portion 8 includes a circular rim 12 which is sealingly attached thereto.
  • the circular rim 12 has three holes 14 positioned equidistant about the circumference of said rim 12 as shown in Figure 2. It will be understood by the reader that any suitable number of holes 14 may be provided on the rim 12.
  • a ring 16 lies adjacent to the top portion 8 and to the rim 12 as shown in Figures 1 and 4.
  • the ring 16 is generally circular in shape and comprises an outer circular portion 18 and an inner circular portion 20.
  • the outer circular portion 18 has substantially the same diameter as the body 4 so as to allow the ring 16 to be fitted inside of the body 4 in a close fitting manner.
  • the inner circular portion 20 projects upwards from the ring 16 in a step-like manner as shown in Figure 4 and lies in generally the same plane as the rim 12 when the ring 16 is assembled in the container 2.
  • the ring 16 is manufactured from plastics material which is easily opened, ripped or preferably pierced. Therefore, any part of the ring 16 may be pierced and so there is ho requirement to align the ring 16 in a specific orientation with respect to the holes 14.
  • circular piercing holes 22 may be provided around the perimeter of the ring 16. In this arrangement the piercing holes 22 are provided in four sections each containing four piercing holes 22 but it will be appreciated that any suitable number of piercing holes 22 may be provided. In this embodiment,- the piercing holes 22 are positioned so that a piercing hole 22 aligns with a hole 14 when the ring 16 is adjacent to the rim 12.
  • the piercing holes 22 and the holes 14 are of a similar dimension.
  • Figure 4 shows a schematic sectional view of the container 2 having a first compartment 24.
  • the first compartment is represented by a can 24.
  • the can 24 is held in position in the container 2 by a lip 26 thereon.
  • the lip 26 is fitted into a channel 28 provided on an inner surface of the ring 16.
  • a fluid housing 30, which will be described in detail below, is provided adjacent a portion of the can 24 and the body 4 of the container 2.
  • the fluid housing 30 extends downwards from the top portion 8 to a distance at least half the length of the can 24.
  • the fluid housing 30 is adapted to house a fluid to be dispensed on to a material stored in a cavity 32.
  • the material is suitable for producing an exothermic reaction.
  • the cavity 32 is adjacent a bottom section 38 of the fluid housing and extends towards the lower end of the body 4 to the base portion 10.
  • the cavity 32 is dimensioned to hold the material in a "cup-like" manner around a portion of the can 24. In so doing, fluid from the fluid housing 30 can be readily dispensed directly onto the material to produce heat around a major portion of the can 24. Due to the high level of heat provided by the container 2, an insulating jacket 34 is provided around the body 4 to provide protection for the consumer holding the container 2.
  • Figures 5a, 5b and 5c show the fluid housing 30 in greater detail.
  • the fluid housing 30 is shown as a separate part of the container 2 which is adapted to fit inside of the container 2.
  • the fluid housing 30 may also be an integral part of the moulding of the container 2.
  • the fluid housing 30 is cylindrical in shape having a top section 36, a bottom section 38 and a side wall 40 therebetween.
  • the side wall 40 remains in a substantially fixed in position when the fluid housing 30 is actuated. In particular, the side wall 40 maintains its shape upon actuation.
  • a central aperture 42 is provided the length of the fluid housing 30 so that a hollow fluid chamber 44 is formed around said aperture 42.
  • the central aperture 42 is dimensioned to receive the can 24.
  • the fluid chamber 44 is dimensioned to contain sufficient fluid to cause an exothermic reaction with the material to generate sufficient heat to heat the contents of the can 24.
  • the fluid chamber 44 is adapted to hold between 95ml and 105ml of fluid and have a 10% air gap to allow for expansion of the fluid in sub zero conditions. In so doing, the fluid housing 30 allows for expansion of fluid in freezing conditions without breaking or tearing.
  • a sealing surface 46 is provided on the top section 36 of the fluid housing 30.
  • the sealing surface 46 has outer top lip 48 and an inner top lip 49 as shown in Figures 5b and 5c.
  • the top lip 48 extends outwards from the top section 36 by approximately 2mm from the side wall 40.
  • the top lip 48 is dimensioned to seal against the inner surface of the ring 16.
  • the inner top lip 49 extends inwards from the top section 36 by approximately 2mm from an inner wall 47 of the fluid chamber 44.
  • the inner top lip 49 is dimensioned to achieve a seal with the upper surface of the can 24.
  • the sealing surface 46 is manufactured from a suitable pierceable material, for example plastics material, for example, polyethylene, or, alternatively, it may be manufactured from a suitable metal foil material, for example, aluminium foil.
  • the bottom section 36 is also manufactured from a suitable pierceable material.
  • Figure ⁇ shows an example of the container 2 in use.
  • a piercing tool 50 as shown in Figure 7 is provided with the container 2.
  • the piercing tool 50 is shaped to pierce through the fluid housing 30 to release the fluid contained therein.
  • the piercing tool 50 comprises an elongate member 52 having a gripping portion 54 projecting perpendicular to the elongate member 52.
  • the gripping portion 54 is suitably dimensioned to be held by the user.
  • the elongate member 52 further comprises a piercing end 56 which is located at the furthermost part of the elongate member 52 to the gripping portion 54.
  • the piercing end 56 is pointed in shape to pierce through the piercing holes 22 and sealing surface 46.
  • a number of indicators 58 are provided on the elongate member 52. The indicators 58 are located at intervals and are positioned to indicate to the consumer the required piercing depth to achieve accurate piercing of the fluid housing 30.
  • the lid 6 is removed from the container 2 and the elongated member 52 is pushed through the holes 14 and the piercing holes 22.
  • the piercing end 56 pierces through the sealing surface 46 of the ring 16 and the elongate member 52 is pushed into the fluid housing 30 to the level shown by the indicators 58.
  • the piercing end 56 pierces through the bottom section 38 of the fluid housing 30 and in so doing releases the fluid contained in the fluid chamber 44.
  • the fluid is dispensed into the cavity 32 and onto the material.
  • An exothermic reaction occurs due to the nature of the fluid and the material.
  • the exothermic reaction produces heat to temperatures in excess of substantially 200 0 C, for example 23O 0 C.
  • the contents of the can 24 are heated to a desirable temperature in a short period, preferably in approximately 12 minutes.
  • the piercing tool 50 may be used to stir the food contained in the can 24 and it may also be used to pick up the food.
  • Figure 8 shows an alternative embodiment 100 of the invention.
  • the ring 116 and the fluid ' housing 130 are manufactured as a single piece unit.
  • the top section 136 of the fluid housing 130 is sealingly connected to the underside of the ring 116.
  • the said section 136 and housing 130 may be glued or welded together.
  • the embodiment 100 is easy to manipulate particularly during manufacture and thus can be handled by automated machinery.
  • the one piece unit negates the need for manual assembly of the container on the production line.
  • the container 2 is manufactured following a number of manufacturing steps. Firstly, the rim 12 is sealingly attached to the body 4. The body 4 and the rim 12 assembly is turned upside down. The ring 16 is inserted inside the body 4 such that the upper surface of the ring 16 abuts against the top portion 8 of the body 4. The inner circular part 20 of the ring 16 extends past the top portion 8 and rests flush with the rim 12 as shown in Figure 1. In the next step of manufacturing, the fluid housing 30 is placed inside of the body 4 such that the sealing surface 46 abuts against the ring 16, in particular, the fluid housing 30 is located so that the piercing holes 22 are positioned on top of the sealing surface 46.
  • the can 24 is then placed inside of the central aperture 42 of the fluid housing 30 in a manner to allow the opening of the can to be readily available to the user.
  • the lip 26 of the can 24 is inserted into the channel 28 in a tight fitting manner.
  • a suitable material for generating an exothermic reaction with the fluid in the fluid housing 30 is poured into the cavity 32 of the container 2.
  • the base portion 10 of the container 2 is then sealingly attached to the body 4.
  • the piercing tool 50 is held in the lid 6 of the container 2 in a snap fitting and the lid 6 is push fitted onto the top portion 8.
  • the efficiency of manufacturing the container is increased. This is because the ring 116 and fluid housing 130 is a single piece unit which can be readily manipulated and handled by robotic machinery.
  • At least a part of the fluid housing 30 is manufactured from a suitable plastics material to provide a degree of rigidity to the fluid housing 30.
  • substantially the whole fluid housing 30 is manufactured from said plastics material.
  • any part of the fluid housing 30 may be pierced, for example, the side walls 40 may be spiked to release the fluid.
  • the accuracy of piercing of the container 2 is greater than conventional that when water bag technology is incorporated into the container 2.
  • a suitable fluid is water or brine.
  • any fluid and material combination which provides a highly exothermic reaction and which is suitable for use with metal cans could be used in the container.
  • the dimensions of the fluid housing 30 can be varied to suit preferred sizes of can 24.
  • the self- heating container can be used for heating canned pasta or beans for adults, but it may also be dimensioned for smaller cans, for example, those containing baby foods.
  • the piercing tool can be replaced by a triggering mechanism, for example, a button on the container. On depression of the button, spikes would extend from the container and into the fluid housing to release the fluid.
  • a triggering mechanism for example, a button on the container. On depression of the button, spikes would extend from the container and into the fluid housing to release the fluid.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

La présente invention concerne un récipient autochauffant (2) qui comprend un corps (4) contenant un premier compartiment (24) destiné au stockage d'un matériau à chauffer ; une cavité (32) conçue pour loger un matériau capable de produire une réaction exothermique avec un fluide ; et un logement de fluide (30) pourvu d'une chambre de fluide (44) conçue pour stocker le fluide et qui peut être actionnée afin de libérer le fluide dans la cavité (32) en vue de provoquer ladite réaction. Selon l'invention, le logement de fluide (30) comprend une paroi qui conserve une position sensiblement fixe par rapport au corps (4) lorsque la chambre de fluide est actionnée (44) afin de libérer le fluide.
PCT/GB2006/000107 2006-01-12 2006-01-12 Recipient Ceased WO2007080359A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06700606A EP1981381A1 (fr) 2006-01-12 2006-01-12 Recipient
PCT/GB2006/000107 WO2007080359A1 (fr) 2006-01-12 2006-01-12 Recipient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2006/000107 WO2007080359A1 (fr) 2006-01-12 2006-01-12 Recipient

Publications (1)

Publication Number Publication Date
WO2007080359A1 true WO2007080359A1 (fr) 2007-07-19

Family

ID=36615706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/000107 Ceased WO2007080359A1 (fr) 2006-01-12 2006-01-12 Recipient

Country Status (2)

Country Link
EP (1) EP1981381A1 (fr)
WO (1) WO2007080359A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8001959B2 (en) 2005-11-14 2011-08-23 Heat Wave Technologies, Llc Self-heating container
US9175876B2 (en) 2009-03-09 2015-11-03 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US9598186B2 (en) 2009-03-09 2017-03-21 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US9603483B2 (en) 2007-09-26 2017-03-28 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR826637A (fr) * 1937-01-16 1938-04-06 Thermit G M B H Récipient avec dispositif pour le chauffage de son contenu
DE2133164A1 (de) * 1971-07-03 1973-01-11 Zimmermann Erich Einrichtung zur erzeugung von waerme durch wahlweise ausloesbare exotherme chemische reaktionen
US4501259A (en) * 1981-12-18 1985-02-26 Tarahelm Limited Device for heating food contained in a sealed container
EP0456922A1 (fr) * 1988-10-27 1991-11-21 AUTO ALLOYS (INDUSTRIAL & DEFENCE) LTD. Améliorations apportées à des conteneurs auto-chauffants

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR826637A (fr) * 1937-01-16 1938-04-06 Thermit G M B H Récipient avec dispositif pour le chauffage de son contenu
DE2133164A1 (de) * 1971-07-03 1973-01-11 Zimmermann Erich Einrichtung zur erzeugung von waerme durch wahlweise ausloesbare exotherme chemische reaktionen
US4501259A (en) * 1981-12-18 1985-02-26 Tarahelm Limited Device for heating food contained in a sealed container
EP0456922A1 (fr) * 1988-10-27 1991-11-21 AUTO ALLOYS (INDUSTRIAL & DEFENCE) LTD. Améliorations apportées à des conteneurs auto-chauffants

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8001959B2 (en) 2005-11-14 2011-08-23 Heat Wave Technologies, Llc Self-heating container
US9603483B2 (en) 2007-09-26 2017-03-28 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US9175876B2 (en) 2009-03-09 2015-11-03 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US9598186B2 (en) 2009-03-09 2017-03-21 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance

Also Published As

Publication number Publication date
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