US20100270316A1 - Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover - Google Patents

Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover Download PDF

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Publication number
US20100270316A1
US20100270316A1 US12/808,286 US80828608A US2010270316A1 US 20100270316 A1 US20100270316 A1 US 20100270316A1 US 80828608 A US80828608 A US 80828608A US 2010270316 A1 US2010270316 A1 US 2010270316A1
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United States
Prior art keywords
container
top cover
panel
hollow body
cover
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Abandoned
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US12/808,286
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English (en)
Inventor
Mikael Sahlström
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SAHLSTROM INNOVATION AB
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SAHLSTROM INNOVATION AB
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Priority to US12/808,286 priority Critical patent/US20100270316A1/en
Assigned to SAHLSTROM INNOVATION AB reassignment SAHLSTROM INNOVATION AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAHLSTROM, MIKAEL
Publication of US20100270316A1 publication Critical patent/US20100270316A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F25D9/00—Devices not associated with refrigerating machinery and not covered by groups F25D1/00 - F25D7/00; Combinations of devices covered by two or more of the groups F25D1/00 - F25D7/00
    • 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
    • F25D2331/805—Cans
    • 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
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/002—Liquid coolers, e.g. beverage cooler
    • F25D31/003—Liquid coolers, e.g. beverage cooler with immersed cooling element

Definitions

  • the present invention relates to a top cover for sealing an open end of a cylindrical beverage container.
  • the top cover comprises a panel having a scored portion, and a tab attached to a first side of the panel and configured to open a hole in the panel by fracturing the scored portion.
  • Cylindrical beverage containers are widely used for storing soft drinks, beer, ice tea, etc. In many cases, consumers carry the beverage containers into areas, such as outdoors, having no facilities for cooling the beverage. Therefore, a variety of self-heating or self-cooling containers have been proposed.
  • a typical beverage container has a cylindrical peripheral wall defining two spaced open ends, one open end being closed by a top cover and the other end being closed by a bottom cover.
  • the bottom cover is integrally formed with the cylindrical wall by an extruding process.
  • the cylindrical wall, the top cover and the bottom cover are defining a tubular body forming a cavity for enclosing the beverage.
  • the bottom cover defines a body that forms a cavity, which extends within the tubular body along the longitudinal axis of the container.
  • the body of the bottom cover is separated from the cylindrical wall of the container.
  • Such a bottom cover may be provided in any conventional container without affecting the external configuration or size of the container. However, the interior volume of the container is reduced.
  • the cooling process of such a self-cooling beverage container is provided by means of an elongate insert retained within the body of the bottom cover.
  • the insert comprises freezable material. This material is typically one that melts at less than 5° C., for example, water, heavy water or a freezable gel.
  • the insert may also be an electrically powered cooling element or a cooling element relying upon chemical reactions.
  • the cooling element may also be a gas cylinder with controllable vent means for venting the gas to the atmosphere during cooling.
  • an object of some embodiments of the present invention is to provide a self-cooling beverage container, which seeks to mitigate, alleviate or eliminate one or more of the above-identified deficiencies in the art and disadvantages singly or in any combination.
  • An idea according to some embodiments is to provide a top cover configured to receive a temperature changing device.
  • a further idea according to some embodiments is to provide a top cover for a beverage container that can be produced in existing production lines, also when pasteurization processes are utilized.
  • a further idea according to some embodiments is to provide a top cover for a beverage container, which enables an efficient cooling of the beverage in a cost-effective way.
  • a yet further idea according to some embodiments is to provide a top cover for a beverage container, wherein all construction parts of the top cover are recyclable.
  • a top cover for sealing an open end of a cylindrical beverage container.
  • the top cover comprises a panel having a hollow body forming a cavity for a temperature changing device ( 11 ), said cavity extending from an open end on the first side of the panel to a closed bottom end.
  • the hollow body may have a tapered profile, which is advantageous in that a plurality of top covers may be stacked on top of each other for reducing the space required for transporting and storing.
  • the top cover may further comprise a second cover for sealing the open end of the hollow body, wherein the second cover comprises at least one through hole and a protrusion arranged on a side of the second cover facing the interior of the hollow body.
  • the tab may extend over the second cover for maintaining the second cover over the open end of the hollow body. Hence, eliminating the use of adhesives or other external fastening means reduces the production costs.
  • the interior volume of the hollow body may be less than 15 percent of the interior volume of the beverage container, which is advantageous in that only a minor reduction of beverage volume is necessary to provide an efficient cooling.
  • the outer surface of the hollow body may be rough, which is advantageous in that a larger contact area with the beverage is provided, thus improving the cooling efficiency.
  • the top cover may further comprise a temperature changing device having a container enclosing a pressurized fluid, an aerosol valve connected to an outlet of the container, which aerosol valve is moveable between an open position and a closed position, and an actuator configured to initiate dispensing of aerosols of the fluid.
  • the actuator comprises a first member connected to the aerosol valve, and a second member connected to the container, said first member being securely attached to the second member when the valve is in the open position.
  • the temperature changing device is arranged within the hollow body of the top cover such that the first member of the actuator is arranged adjacent to the interior surface of the closed bottom end of the cavity. Hence, an external cooling device is provided within the top cover, providing an efficient cooling.
  • the first member of the actuator may comprise a central portion connected to the valve, and at least two legs extending from said central portion towards the second member of the actuator, wherein each leg comprises a hook configured to engage with the second member.
  • a beverage container is provided.
  • the beverage container comprises a top cover according to the first aspect of the invention.
  • a method for providing a top cover configured to seal an open end of a cylindrical beverage container comprises the step of defining a hollow body in a panel of the top cover, wherein the hollow body is forming a cavity extending from an open end on the first side of the panel to a closed bottom end.
  • a further aspect of the present invention relates to a container for beverage having a cylindrical wall, a sealed top and bottom end wherein said top end is sealed by a first cover comprising an external cavity with an open top end and a closed bottom end which cavity is extending within the internal cavity of the container, said container further comprising a second cover for sealing said top end of said external cavity, a temperature changing device for cooling said beverage, wherein said temperature changing device is arranged within said external cavity.
  • a yet further aspect of the present invention relates to a method for producing a container for cooling beverage included therein comprising producing said container having an open top end and spaced there from a closed bottom end, producing a first top cover comprising a cavity with an open top end and a closed bottom end and which is extending a specified length from said top end, filling said container with a beverage, sealing said container by sealing said top end with said top cover, wherein said cavity is extending within said container, producing a second top cover for sealing said open top end of said cavity, producing a cooling device comprising an outlet valve, arranging said cooling device within the external cavity, sealing said top end of said cavity with said second cover.
  • FIG. 1 is a cross-section of a container according to a first embodiment
  • FIG. 2 is a perspective view of a top cover according to a first embodiment
  • FIG. 3 is a top view of a second cover according to a first embodiment
  • FIG. 4 is a bottom view of the second cover shown in FIG. 3 ;
  • FIG. 5 is a perspective view of a first member of an actuator according to a first embodiment
  • FIG. 6 is a cross-section of a beverage container according to a second embodiment
  • FIG. 7 illustrates a top cover according to a second embodiment
  • FIG. 8 illustrates a temperature changing device according to a second embodiment
  • FIG. 9 illustrates the mounting process of a beverage container with a temperature changing device according to a second embodiment.
  • Embodiments of the present invention relate, in general, to a top cover 14 of a beverage container 10 .
  • the top cover 14 is designed such that it can be used with a temperature changing device 11 for cooling different types of beverages, such as beer, soft drinks and iced tea, enclosed within the container 10 .
  • a preferred embodiment relates to a portable container 10 , such as a common beer can, including the top cover 14 and the temperature changing device 11 .
  • a portable container 10 such as a common beer can, including the top cover 14 and the temperature changing device 11 .
  • the invention is as such equally applicable to larger beverage containers, which are not portable.
  • most embodiments outlined in this specification are related to common beer cans.
  • FIG. 1 shows a cross-section through a container 10 according to a first embodiment.
  • the container 10 has a substantially cylindrical wall 16 , which is closed at one end by a bottom cover 15 . Further, the container 10 has a top cover 14 having a panel 20 , a scored portion 17 , and a hollow body 12 that defines a cavity. A tab (not shown) is attached to the outer surface of the panel 20 , and configured to open a hole in the panel 20 by fracturing the scored portion 17 .
  • the top cover 14 is formed from sheet material, and the hollow body 12 extends within the peripheral wall 16 along a longitudinal axis of the container 10 .
  • the peripheral wall 16 and the top and bottom covers 14 , 15 of the container 10 together define a tubular body 18 in which beverage is enclosed.
  • a temperature changing device 11 is arranged inside the hollow body 12 .
  • the temperature changing device 11 comprises a pressurized fluid container 41 , enclosing a fluid mixture containing CO 2 as its main constituent.
  • the outlet of the container 41 is provided with an aerosol valve 43 .
  • An actuator 45 is connected to the valve 43 and to the container 41 .
  • the hollow body 12 is provided centrically on the panel 20 . It should however be appreciated by those skilled in the art that variations may be made in positioning of the hollow body 12 within the top cover 14 .
  • the hollow body 12 has a closed bottom end 15 and an upper open end 21 .
  • the hollow body 12 is sealed by a second cover 30 , which is further described with reference to FIGS. 3 and 4 .
  • the second cover 30 is arranged on the outer surface of the panel 20 , and extends into the hollow body 12 by means of a circumferential protrusive edge 35 of the second cover 30 .
  • a protrusion 32 is centrally provided on the interior surface of the second cover 30 .
  • the protrusion e.g. a knob, is integrally formed with the second cover 30 .
  • the second cover 30 comprises at least one exhaust hole 31 extending through the second cover 30 .
  • the actuator 45 comprises a first member 46 connected to the valve 43 and a second member 47 connected to the container 41 .
  • the first member 46 has a central portion 48 , which is arranged on a stem 44 of the valve 43 , and three legs 49 extend from the central portion 48 towards the second member 47 shown in FIG. 1 .
  • a hook 50 is provided at the end of each leg 49 .
  • the legs 49 are provided circumferentially of the central portion 48 , evenly spaced by an angle of 120°. The outer part of the legs are aligned with the interior surface of the container 41 of the temperature changing device 11 , such that the spaces provided between the legs 49 are acting as aerosol guides during dispensing of the fluid mixture.
  • the second member 47 comprises an annular portion provided at a lower portion of the container 41 . At the upper part of the annular portion, a notch 51 is provided.
  • the second cover 30 switches the shape to a concave shape which, by means of the knob 32 of the second cover 30 , pushes the container 41 of the temperature changing device 11 downwards towards the bottom of the hollow body 12 .
  • This movement forces the stem 44 of the valve 43 to be retracted into a release position, which causes the valve 43 to open. Consequently, aerosols will be outlet through the valve 43 .
  • the first member 46 of the actuator 45 will move in an upward direction towards the container 11 .
  • the hook 50 of each leg 49 will engage with the notch 51 . Consequently, the user pushing the tab will hear a click sound, and the stem of the valve 43 is prevented from moving back to the extended position, i.e. the position where the valve is closed, when the user releases the tab. Hence, the valve 43 will remain open until the pressure inside the container 41 of the temperature changing device 11 is low enough to stop dispensing aerosols.
  • CO 2 has no liquid state at pressures below 5.1 atm. At 1 atm., CO 2 is a solid at temperatures below ⁇ 78° C. In its solid state, CO 2 is commonly called dry ice. In its gaseous state, CO 2 is 1.5 times as heavy as air, thus if released to the air it will concentrate at low elevations. 1 kg of dry ice has the cooling capacity of approximately 2 kg of ordinary ice. Gaseous or liquid CO 2 , stored under pressure, will form dry ice through an auto-refrigeration process if rapidly depressurized. Hence, 6.69 grams of CO 2 should in theory (if released optimally) lower the temperature of 45 cl beverage by 15° C. in about 60 seconds.
  • the beverage container 10 shown in FIG. 1 is designed to have the same external dimensions and shape as a standard 50 cl portable beverage can. However, the presence of the hollow body 12 reduces its interior volume.
  • the hollow body 12 may use 10% of this volume, which, in the case of a 50 cl beverage container, corresponds to 5 cl of beverage. In other embodiments, the volume of the hollow body 12 may be between 5 and 15 percent of the interior volume of the beverage container 10 . Since the external dimensions are the same as those of conventional beverage cans, each can be used and filled on existing filling lines.
  • the length of the hollow body 12 may be 115 mm and the diameter may be 38 mm.
  • beverage container 10 may also be utilized. Such dimensions may correspond to the dimensions of commercially available containers, such as 33 cl, 35.5 cl (12 U.S. fl. oz.), or 44 cl (14.9 U.S. fl. oz).
  • the diameter of the aerosol container 41 of the temperature changing device 11 may be 20 to 35 mm, especially 22 mm, and it may contain 5 cl of fluid mixture containing CO 2 as its main constituent.
  • the aerosol container 41 is capable of managing an internal pressure of at least 70 bar.
  • the aerosol valve 43 connected to the aerosol container 41 is capable of managing an internal pressure of at least 50 bar. As a precautionary measure, the aerosol valve 43 is configured to self-release if the internal pressure exceeds 50 bar.
  • the container 41 of the temperature changing device 41 comprises a fluid mixture containing CO 2 as its main constituent.
  • the fluid mixture may be designed such that it is non-toxic according to present environmental requirements. Further, the fluid mixture may be designed such that it has a boiling point similar to pure CO 2 , although the critical point is higher as compared to pure CO 2 .
  • the container 41 of the temperature changing device 41 encloses approximately 6.7 g of fluid mixture.
  • the dimensions of the container 41 are designed such that the pressure inside the container 41 will not exceed 50 bar when the temperature is above 50° C.
  • top cover 14 Different embodiments of the top cover 14 , the second cover 30 , and the temperature changing device 11 will be described below.
  • the hollow body 12 may have a tubular shape, and the closed bottom end 22 of the hollow body 12 may be planar, convex, concave, or of any other shape.
  • the hollow body 12 may further have a tapered profile such that the dimensions of the bottom end 22 are smaller than the upper open end 21 .
  • the hollow body 12 may be formed integrally with the panel 20 .
  • the panel 20 has a punched hole, and the hollow body 12 having an upper open end 21 is attached to the periphery of the punched hole.
  • the outer surface of the hollow body 12 i.e. the surface being in contact with the beverage enclosed inside the container 10 , may be rough. Further, the interior surface of the hollow body 12 may also be rough.
  • the panel 20 may comprise a groove (not shown) surrounding the open end 21 of the hollow body 12 .
  • the groove is configured to fit the second cover 30 for sealing the open end 21 .
  • the second cover 30 may be fixedly attached to the groove, or the second cover may be attached to the panel 20 by means of the tab, extending over the second cover 30 for maintaining the second cover 30 over the open end 21 .
  • the second cover 30 can be immersed such that it does not extend above the outer parts of the top cover 14 . This is advantageous in that unintended initiating of the actuating means 32 , e.g. during transport or storing, is prevented.
  • the valve 43 may comprise a membrane (not shown) for providing vibrations during outlet of the gas mixture. Hence, the vibrating membrane will prevent clogging of the valve outlet.
  • the valve 43 may further be configured to dispense a major part of the content inside the container 41 of the temperature changing device 11 in approximately 60 seconds. In a preferred embodiment, 51% of the gas mixture content is dispensed in less than 60 seconds, preferably between 30 and 60 seconds.
  • the container 41 of the temperature changing device 11 , the valve 43 and the actuator 45 are manufactured by conventional materials known per se, preferably by plastics and/or aluminum alloys, for corresponding to present recycling processes.
  • FIGS. 6 to 9 Other embodiments of the top cover are shown in FIGS. 6 to 9 .
  • the valve is denoted by reference numeral 13 .
  • Other elements of the embodiments are denoted by the same reference numerals as those used with reference to FIGS. 1 to 5 .
  • the top cover 14 may be provided by a method according to a first embodiment.
  • the method comprises the step of forming a panel 20 having a scored portion 17 .
  • a tab is thereafter attached to a first side of the panel 20 , wherein the tab is configured to open a hole in the panel 20 by fracturing the scored portion 17 .
  • a hollow body 12 is defined in the panel 20 , wherein the hollow body 12 is forming a cavity extending from an open end 21 on the first side of the panel 20 to a closed bottom end 22 .
  • the beverage container 10 may further be assembled by providing a tubular body 18 having a closed bottom end and an open upper end. Next to this, the beverage container 10 is filled with some kind of beverage.
  • the top cover 14 is thereafter mounted on the beverage container 10 , and the top cover 14 is sealed with respect to the beverage container 10 .
  • the temperature changing device 11 comprising the valve 43 and the actuator 45 is mounted separately, and inserted into the hollow body 12 of the top cover 14 .
  • the legs 49 of the actuator 45 are thus aligned with the interior surface of the bottom end 22 of the hollow body 12 .
  • the second cover 30 is arranged on top of the open end 21 of the hollow body 12 .
  • the tab that is already attached to the panel 20 is rotated such that it extends over the second cover 30 .
  • the second cover 30 is consequently kept in place by means of the tab.
  • the manufacturing method is advantageous in that it can be implemented in existing production lines utilizing pasteurization processes. This is due to the fact that the temperature changing device 11 is inserted after the beverage container 10 is filled with the pasteurized beverage and sealed by the top cover 14 . Further, the beverage is only exposed to the interior surface of the top cover 14 , which is made of the same material as covers used for presently known beverage containers.
  • the outer surface of the beverage container 11 may be painted with a temperature sensitive paint, which will indicate when the cooling process is finished.
  • a temperature sensitive paint may e.g. be provided circumferentially on the beverage container 10 .

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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)
  • Closures For Containers (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closing Of Containers (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US12/808,286 2007-12-18 2008-12-18 Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover Abandoned US20100270316A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/808,286 US20100270316A1 (en) 2007-12-18 2008-12-18 Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1444307P 2007-12-18 2007-12-18
US12/808,286 US20100270316A1 (en) 2007-12-18 2008-12-18 Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover
PCT/SE2008/051508 WO2009078801A1 (en) 2007-12-18 2008-12-18 A top cover for sealing an open end of a cylindrical beverage container, a container, a method for providing a top cover an a method for producing a container

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US20100270316A1 true US20100270316A1 (en) 2010-10-28

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US12/808,286 Abandoned US20100270316A1 (en) 2007-12-18 2008-12-18 Top Cover For Sealing an Open End of a Cylindrical Beverage Container, and a Method For Providing such a Top Cover

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US (1) US20100270316A1 (ru)
EP (1) EP2232174A1 (ru)
JP (1) JP2011506909A (ru)
KR (1) KR20100123677A (ru)
CN (1) CN101932894A (ru)
AP (1) AP2010005323A0 (ru)
AU (1) AU2008339098A1 (ru)
BR (1) BRPI0821261A2 (ru)
CA (1) CA2709421A1 (ru)
CO (1) CO6280565A2 (ru)
EA (1) EA201070729A1 (ru)
EG (1) EG25778A (ru)
MX (1) MX2010006668A (ru)
WO (2) WO2009078801A1 (ru)
ZA (1) ZA201005053B (ru)

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US12031773B2 (en) 2019-10-31 2024-07-09 Arctic Disc Limited Freezable cooler partition

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US11998142B2 (en) * 2018-10-19 2024-06-04 Anvil Technologies Llc Portable drink holder

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US12031773B2 (en) 2019-10-31 2024-07-09 Arctic Disc Limited Freezable cooler partition

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MX2010006668A (es) 2010-09-30
KR20100123677A (ko) 2010-11-24
BRPI0821261A2 (pt) 2015-06-16
AU2008339098A1 (en) 2009-06-25
WO2009077604A3 (en) 2009-11-12
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JP2011506909A (ja) 2011-03-03
ZA201005053B (en) 2011-03-30
AP2010005323A0 (en) 2010-08-31
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EG25778A (en) 2012-07-12
EP2232174A1 (en) 2010-09-29

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