An arc chamber for a circuit breaker has first and second mounting bodies. The mounting bodies are disposed at the ends of an electrically insulating insulation section of the arc chamber. The insulation section is formed of at least two shell-shaped partial sections. The partial sections are curved concavely relative to a longitudinal axis of the arc chamber. A gap is formed between the edges of the bodies of the partial sections.

A circuit protection device is provided for use with a circuit that includes at least one pair of conductors. The protection device is configured to generate an arc. The protection device includes at least a pair of electrode assemblies electrically coupled to the at least one pair of conductors and a conductor base to support the pair of electrode assemblies. The protection device includes a cover coupled to the conductor base and defining at least one isolation chamber, wherein the electrode assemblies are disposed within the isolation chamber. The protection device includes a containment shield moveably coupled to the cover. The containment shield defines a containment chamber configured to contain charged particles produced by the arc. The containment shield is operative to move relative to the cover in response to a change in pressure produced by the arc within the containment chamber. An isolation assembly is coupled to at least one of the cover and the containment shield and configured to prevent the cover from contacting the containment shield.

Provided is a sector gear including: a drive gear having a drive part that forms a part of a circle and has a plurality of teeth and a non-drive part that forms a remaining part of the circle and provides a non-contact angle of at least approximately 90 degrees; first and second movers forming a disconnector and a grounded breaking switch, respectively; and first and second driven gears engaged with the drive gear and respectively engaged with the first and second movers and configured to make the first mover or the second mover operate in conjunction with the drive part of the drive gear according to a direction of rotation of the drive gear, wherein an intermediate angle between the first and second movers is between approximately 90-135 degrees. The present invention can reduce the size of the gas-insulated switchgear having the sector gear.

Equipment protection systems, arc containment devices, and methods of assembling arc containment devices are disclosed. In one example, an electrical isolation structure includes a conductor base, a cover coupled to the conductor base and defining an isolation chamber, a containment shield disposed on the conductor base within the isolation chamber, and a biasing assembly positioned between the cover and the containment shield. The containment shield defines a containment chamber configured to enclose the plurality of electrode assemblies. The containment shield is configured to at least partially contain the arc products within the containment chamber. The biasing assembly is configured to permit the containment shield to move away from the conductor base to thereby define a gap between the conductor base and the containment shield to enable at least some of the arc gases to vent from the containment chamber.

An electrode assembly for a circuit breaker is provided. The electrode assembly includes a conductive assembly and a heat transfer assembly. The conductive assembly includes a stem portion and a contact portion. The heat transfer assembly includes a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface. The first heat transfer surface is disposed on the conductive assembly. Each heat transfer assembly body includes a second heat transfer surface. Each heat transfer assembly body is coupled to the conductive assembly with the first heat transfer surface coupled to a number of second heat transfer surfaces.

A circuit breaker including a pair of separable contacts and an arc chamber is provided. The separable contacts include a fixed contact having an upper surface. The arc chamber includes magnetic members disposed on either side of the separable contacts. The magnetic members have a lower surface below the fixed contact upper surface.

A gas insulated switchgear includes an enclosure, a first fixed conductor, one side of the first fixed conductor being bent at a right angle and another side of the first fixed conductor being fixed on one side of the enclosure, a second fixed conductor configured to be spaced apart from the first fixed conductor and configured to be fixed on another side of the enclosure, a screw configured to form an axis on inner of the enclosure and being spaced apart from the first and second fixed conductors and a movable conductor configured to move along the axis through a rotation of the screw, one side of the movable conductor being in contact with the second fixed conductor.

A gas circuit breaker is provided, avoiding change in the position of a cover member and without weakening of the blow of gas to the arc in an arc discharge cavity even when a surface of the cover member in contact with the arc discharge cavity is damaged. The gas circuit breaker includes a contact ring, a holder attached to the contact ring, and extending to a path of arc-extinguishing gas that extinguishes an arc, and an electrically insulative cover member attached to the holder.

A flexible shunt for a vacuum circuit breaker can have a reduced straight length and improved flexibility even with an increased thickness within a predetermined accommodation space of a main circuit part. The flexible shunt comprises a pair of conductive plates, each including a clamp connecting portion configured as a flat conductive member, the clamp connecting portion being connected the clamp, a terminal side connecting portion configured as a flat conductive member, the terminal side connecting portion being connected to the terminal side, and a flexible curved portion configured to connect the clamp connecting portion to the terminal side connecting portion, the flexible curved portion being formed to be projected outwardly.

A gas-insulated type circuit breaker including a housing defining a gas volume for a dielectric insulation gas; a first arcing contact member and a second arcing contact member, wherein the first arcing contact member and the second arcing contact member are movable relative to each other along an axis; a first nominal contact member and a second nominal contact member, wherein the first nominal contact member and the second nominal contact member are movable relative to each other along the axis; and a first nominal contact shielding arrangement including an inner shield member and an outer shield member, wherein the inner shield member and the outer shield member are arranged coaxially about the axis. The first nominal contact member is arranged co-axially between the inner shield member and the outer shield member, and is movable relative to the inner shield member and to the outer shield member.

The disclosure relates to a gas circuit breaker switch (5) which can be integrated inside a switching device insulated in a dielectric gas, said switch (5) comprising an arc chute (1) inside which a fixed contact (3) and a moving contact (4) are arranged. The integration of the contacts (3, 4) inside at least one casing (19, 20) corresponding to the arc chute (1) allows reducing distances between phases, in addition to preventing any incident in one phase from affecting the remaining phases, and finally more compact electrical equipment is obtained. The switch (5) also comprises at least one generation means (6) for generating at least one gas, at least one blowout/intake means (7) for at least one extinguishing gas and at least one generation means (2) for generating a magnetic field, such that the electric arc generated between the contacts (3, 4) of the switch (5) can be extinguished by combining said means (6, 7, 2).

A circuit breaker includes a first contact and a second contact. An electric arc zone is disposed between the contacts. A feed channel opens into the electric arc zone, connecting the electric arc zone to a hot gas reservoir volume. The hot gas reservoir volume, in turn, is connected to a compression volume. An outflow opening is disposed in a wall of the compression volume. The outflow opening is permanently open, at least in a contacting state of the contacts.

Circuit breakers include an arc chamber and an arc chute comprising a plurality of arc plates in the arc chamber. The circuit breakers also include a line conductor assembly with at least one arc runner attached to a line conductor in the arc chamber. The arc runner can extend below but adjacent to a bottom arc plate to thereby guide a respective arc into the arc chute.

A gas-insulated circuit interrupter is disclosed, the interrupter having an improved design for quenching electrical arcs. The interrupter includes a first contact and a second contact configured to alternatively connect to and disconnect from the first contact. One or both of the contacts are at least partially contained in an arcing chamber. The arcing chamber includes the point at which the contacts connect during current-carrying operation of the interrupter. The arcing chamber is at least partially surrounded by a heating chamber for accommodating a quenching gas. A channel connects the heating chamber and the arcing chamber and is positioned to direct the quenching gas toward the first contact and the second contact arcing area. One or more valves direct gas from the arcing chamber to the heating chamber when the interrupter is operated to interrupt a current.

An exemplary medium or high voltage switch has a first set of contact elements and a second set of contact elements. Each contact element includes an insulating carrier carrying conducting elements. In the closed state of the switch, the conducting elements align to form one or more current paths between terminals of the switch along an axial direction. For opening the switch, the contact elements are mutually displaced by means of one or two drives along a direction perpendicular to the axial direction. The switching arrangement is arranged in a fluid-tight housing in a gas of elevated pressure or in a liquid. The switch has a high voltage withstand capability and fast switching times.

An arc extinguishing apparatus for a ring main unit includes: a housing; a plurality of fixed contactor assemblies fixed to be protruded toward the center in the housing and formed by inserting a permanent magnet for arc extinguishing by a magnetic force between a pair of main circuit fixed contacts; a plurality of earthing fixed contactors fixed to be protruded toward the center in the housing and installed to be spaced apart from the fixed contactor assemblies at a predetermined angle; a 3-phases common rotational shaft installed to be rotatable at the center of the housing; and a rotatable movable contactor assembly having a plurality of puffer guide plate sections having openings with a narrow opening width to accelerate the velocity of flow of insulating gas to extinguish arc by blowing it, and rotatable to a circuit closing position, an earthing position, and a circuit opening position.

An electrode assembly for a vacuum interrupter is configured such that supporting members can support most of a contact electrode plate and a supporting electrode plate in an axial direction with coil conductors interposed therebetween. Accordingly, an impact generated between electrode assemblies upon a closing operation of the vacuum interrupter may be evenly distributed onto the supporting members, which may result in preventing each of the electrode plates and the coil conductors from being deformed. Also, the supporting members are inserted into the electrode plates and the coil conductors, thereby effectively preventing a current from flowing via the supporting members. In addition, the supporting member may be wide and large so as to simplify an assembly operation and reduce an assembly time.

An arc guider configured to provide an arc movement path, one side thereof forming a fixation projection and a center thereof forming a groove in a longitudinal direction, a fixation element sequentially including a main contact, an arc contact being spaced apart from the main contact and an insertion groove accommodating the arc guider and a plurality of projection fixing units being formed on both sides of the insertion groove and being curved toward the accommodated arc guider through an outer force so that the fixation projection does not escape wherein triangle V shaped groove marks by the outer force are formed in the plurality of the projection fixing units.

A profiled arc splitter plate for a switch having a fixed contact and a movable contact is provided to increase electromagnetic attractive forces on the arc generated during contact separation. The plate (300) comprises a body (306) defining an operatively inverted substantially V-shaped recess having a center notch (302) provided at the vertex of the recess and at least one protrusion (304) defined on either side of the center notch (302) along the inclined side walls of the recess, the movable contact of the switch displaceable through the recess without contacting the inclined side walls, in a spaced apart manner from the protrusions (304) and the center notch (302). Chamfers 308 are provided at an end of the plate (300) proximal to the vertex of the recess to provide an exit for hot gases towards the vent of the arc chamber.

A product is mounted on a support pad and suspended on the pad by wrapping a stretch wrapping film around the combination of the pad and product. The borders of the pad extend beyond the borders of the product so the package containing the product can be stood on edge, but the edge of the product is spaced away from the surface on which the package is stood. The borders of the pad also include notches on the top and bottom of the pad that receive the stretch wrapping film away from the borders of the pad and closer to the product. Thus the product, secured to the pad, is suspended away from that surface. Multiple packages can be packed into a shipping container and the loaded container can be lifted and transported by a lift truck with lifting forks received in passageways formed in the container by notches in the bottom edges of the support pads. The pads and containers are made of die-cut corrugated fiberboard material although other material could be used.

A removable faceplate for a portable electronic device is provided. The faceplate permits a user to change the physical appearance of a surface of the device while retaining access to the mechanisms for controlling the function of the device. Preferably, the removable faceplate and electronic device are configured with a means for association and dissociation that can be activated without the use of a tool and the means is not visible when the faceplate is attached. Additionally, an improved packaging system is provided to enable a vendor or manufacturer to package faceplates with the devices that they will cover and to allow substitution of faceplates in the packaging without disturbing the packaging of the electronic device itself. Further, there is a method for distribution of the packaging system.

Containers and dispensers for wiping substrates, and wet wiping substrates in particular, have been provided with lids, the containers have been susceptible to leakage, or difficulties in dispensing the contents. Provided is a refillable container for storing and dispensing wiping substrates. A refill cartridge containing wiping substrates having a peelable seal disposed on a first surface and a second surface for forming a seal with the container lid is provided.

A food container stacking device comprising: a horizontal member, with a first longitudinal side, a second longitudinal side, a top surface, and a bottom surface, a first corner, second corner, third corner, and fourth corner; the food container stacking device configured to lay on the top surface of a first food container, and further configure to support a second food container on the top surface, thereby allowing for the stacking of the first and second food containers. A food container stacking system, comprising: a first food container; a first food container stacking device configured to lay on the top surface of the first food container, the first food container stacking device comprising: a horizontal member, with a first longitudinal sinusoidal shaped side, a second longitudinal sinusoidal shaped side, a top surface, and a bottom surface, a first corner, second corner, third corner, and fourth corner; a first pin removeably attachable to the first hole, and extending from the bottom surface; a second pin removeably attachable to the second hole, and extending from the bottom surface; a third pin removeably attachable to the third hole, and extending from the bottom surface; a fourth pin removeably attachable to the fourth hole, and extending from the bottom surface, where the first and second pins are configured to lay outside of the perimeter of the first food container, and where the third and fourth pins are configured to lay outside of the perimeter of the first food container, on an opposite side of the first food container.

A packaging device includes first and second thermoplastic films superposed with each other, wherein predetermined portions of the thermoplastic films are bonded creating a plurality of fluid containers, a plurality of check valves each connected to a corresponding fluid container, a fluid passage in a first direction connected to the check valves, and a second border between an inflated section including the plurality of fluid containers and an uninflated section, wherein the first and second thermoplastic films are folded and two side edges of the films are bonded and a first portion of a first border connecting the inflated section to a second section is folded and an overlapped portion of the first portion is bonded leaving a remaining portion of the first border unbonded wherein the uninflated section forms a loop, and wherein the uninflated section forming the loop is folded into the inflated section to form a lining.

Container assemblies can include a first container and a second container, where the second container extends into and is supported by the first container. The first container and the second container can each include a flange around the periphery of an access opening. The flange of the second container is configured to provide support for the second container via engagement with the flange of the first container. In some instances, the second container can extend into and be supported by the first container through engagement of the flange of the second container with the flange of the first container such that a side panel of the first container is not in contact with a corresponding side panel of the second container. The container assembly can also include a lid for retaining the second container in the first container and/or for sealing to the first container and/or the second container.

An apparatus is provided for dispensing a roll of sheet material in severable portions therefrom. The apparatus comprises a housing having a rim portion longitudinally offset from a base portion by a sidewall portion extending therebetween. The base and sidewall portions define a compartment for holding the roll of sheet material, and the sidewall portion includes a longitudinally extended dispensing slot formed therethrough communicating with the compartment. The sidewall portion forms about the dispensing slot at least one tapered edge. A lid is detachably coupled to the rim portion of the housing to enclose the compartment, and includes a bottom surface portion. A pivot structure is formed on at least one of the base and bottom surface portions to pivotally engage an axial end of the roll of sheet material for angular displacement thereon.

The present invention provides an assembly for the preparation of a medical device having a porous coating comprising hydrogen peroxide. Particularly interesting medical devices are catheters (such as urinary catheters), endoscopes, laryngoscopes, tubes for feeding, tubes for drainage, guide wires, condoms, urisheaths, barrier coatings e.g. for gloves, stents and other implants, extra corporeal blood conduits, membranes e.g. for dialysis, blood filters, devices for circulatory assistance, dressings for wound care, and ostomy bags. The coating is in particular a hydrophilic coating formed from cross-linked polyvinylpyrrolidone. In one embodiment, the assembly holds a dry catheter element in one compartment of a package and an aqueous hydrogen peroxide solution in another compartment. The solution may also comprise stabilizers, e.g. chelators, and osmolality increasing agents. The catheter for insertion in the urethra is useful for the treatment, alleviation or prophylaxis of microbial infections such as urinary tract infections (UTI).

A housing shell for electrical measuring, controlling and communication devices, in particular the lower housing part of a cellphone, has very great flexural and torsional rigidity in spite of an extremely small wall thickness if it is formed as a part created by a forming operation from the planar blank of a thermoplastically impregnated long-fibered multi-layered mat. Fine-membered functional elements of likewise thermoplastic material are then molded onto the housing shell in an injection mold.

An electronic component packaging sheet formed of a styrene resin composition includes: (A) 29-65 mass parts of a styrene-conjugated diene block copolymer; (B) 51-15 mass parts of a polystyrene resin; and (C) 20-9 mass parts of an impact resistant polystyrene resin. Components (A)-(C) each have a weight average molecular weight (Mw) within a specified range.

A sheet roll comprises two glass films and a coupling portion, wherein end portions of the glass films are coupled together via the coupling portion and the coupled glass films are rolled into a roll shape. The coupling portion is a sheet-like coupling member formed of a resin film and placed on the end portions of the two glass films in a rolling direction so as to span therebetween. The sheet-like coupling member includes wide joint portions joined respectively to the end portions of the two glass films, and a necked portion which is narrower than the wide joint portions and is formed at a middle portion of the sheet-like coupling member in the rolling direction.

A packet (1) of cigarettes having: an inner package (2) defined by a group (30) of cigarettes wrapped in a sheet (29) of wrapping material having at least one tear line (32) defining a tear-off top portion (31); an inner container (4) housing the inner package (2) and having an extraction opening (10) for access to the tear-off top portion (31); an outer container (5) housing the inner container (4) in sliding manner, to allow the inner container (4) to slide, with respect to the outer container (5), between a closed position, in which the inner container (4) is inserted inside the outer container (5), and an open position, in which the inner container (4) is extracted partly from the outer container (5); and a tear-off lid (45) connected to the inner container (4) by at least one tear line (48), and covering at least part of the extraction opening (10).

An ergonomic garment carrier which accommodates garments such as suit shirts, jackets, pants and skirts as well as other items a traveler would typically transport or store.

A multi-standard flash-memory-card carrier is about the same size as a thick credit card and fits into a wallet. The multi-standard flash-memory-card carrier has bays that accept flash-memory cards. Larger bays on one side receive SD cards and a Memory Stick Duo card, while micro bays on another side of the carrier receive microSD cards and Memory Stick Micro cards. A carrier spine sandwiched between top and bottom covers has openings forming the bays. Spring-clip tabs on spring-clip fingers fit into notches on the side of the flash-memory cards to secure the flash-memory cards into the multi-standard flash-memory-card carrier to prevent loss. The spring-clip fingers are movable parts of the carrier spine that are deformed during insertion of the flash-memory cards. Both micro and standard flash-memory cards can be carried in the same multi-standard flash-memory-card carrier that can be placed in plastic sleeves for credit cards in a person's wallet.

A novel packaging for flat media having substantially square panels wherein at least one of the panels is adapted to form a compartment for storing a phonographic record, an audiovisual record or any flat media. The arrangement of the square panels enables the package to be folded in a compact, flat configuration for ease of storage and shipping. When erected, the package forms a cube that could be used as additional storage. The cube may be erected with either of the sides of the panels visible so as to afford greater opportunity for display.

Protective mailer capable of being processed by postal processing equipment without causing damage to the article held by the mailer. The pocket holding the article inside the mailer is offset relative to one edge, when folded, by a distance sufficient to prevent damage when the mailer is oriented and processed. The mailer may include a resizing flap that, when unfolded and deployed, changes the dimensions of the mailer so that the mailer is processed by the postal processing equipment as a non-letter or flat mailpiece.

A holder is for supporting a portable electronic device, including at least one sheet. A base portion, a first supporting portion and a second supporting portion formed on the at least one sheet. The base portion, the first supporting portion and the second supporting portion are parallel with each other and folded relative to each other. A latching piece is formed on the base portion, the latching piece having a bendable portion. The first supporting portion is folded relative to the base portion, and the second supporting portion is folded relative to the first supporting portion until the second supporting portion is held by the latching piece, the base portion, the first supporting portion and the second supporting portion cooperatively form a three-dimensional structure that can support the portable electronic device at an angle relative to the at least one sheet without collapsing.

A sheath for a knife is ventilated or is formed with gaps in a way that sand and other debris cannot collect to dull the knife's blade. The sheath holds the knife, protects and safely covers the sharp edge, but does not provide a surface for abrasive sand to dull the edge. The sheath can include front and rear panels, held together with a plurality of spacers disposed between the panels. The spacers can be rounded to as to minimize contact between the spacers and the blade of the knife.

A catheter assembly including an elongate member having a proximal end and a distal end. The distal end has at least one drainage opening. A hydrophilic coating is provided on at least a portion of the elongate end of the catheter. A fluid containing member is provided and is either arranged on the elongate member or within a separate area of the container. The fluid containing member contains sufficient hydrating fluid to hydrate the coating of the catheter. A container contains the elongate member and the fluid containing member and incorporates at least one foil layer to prevent evaporation of the hydrating fluid. A method of using the catheter includes inserting a catheter into a user's body and draining fluid from the user's body.

An insertion tool packaging, includes a main body that has at least one hanging region, at least one viewing region, and at least one receiving region, which is configured at least substantially to receive at least one insertion tool. The packaging further includes at least one protective element, which is configured to at least substantially protect a user against injury.

A pharmacy bottle system includes a bottle and a ring. The bottle is formed as a single piece of molded plastic material and includes a body and a neck. The body defines an interior cavity. The interior cavity extends from a first end to a second end of the interior cavity. The body includes a spine portion covering the first end of the interior cavity. The spine portion defines a spine width measured from a front to a back of spine portion. The neck extends from the second end of the interior cavity and has an opening therethrough providing access to the interior cavity. The ring is secured about the neck of the bottle. The ring defines a ring width measured between a front and a back of the ring. The ring width is larger than the spine width. The neck extends above a top surface of the ring.

A sterilizable pouch for surgical instruments includes a sterilant permeable sheet with a first sealing strip and a sterilant impermeable sheet with a second sealing strip. The sealing strips are sealed together to define the pouch. At least one sealable open portion is for sealing the pouch after surgical instruments are located inside the pouch. An indicator material for indicating sterile processing conditions inside the pouch is located on an inner surface of the sterilant impermeable sheet inside the pouch.

Tamper-evident package comprises a container, a primary cap, and a secondary cap. The container comprises a sidewall defining a chamber and a rim defining a mouth to the chamber. The primary cap is removably-attachable to the rim of the container to selectively close the mouth of the container. The secondary cap is positioned over the primary cap to prevent removal of the primary cap when positioned thereover. The secondary cap includes a single-use lock, such as a cable tie, to secure the secondary cap in position over the primary cap. The package thus provides evidence that someone has tampered with or attempted to tamper with the container if the single-use lock is removed or damaged. Method of using the tamper-evident package is also disclosed.

A bed-side system for preventing infection that uses a flush and swab caddy attached to an IV pole or other bed-side equipment. By providing convenient and secure storage for pre-filled syringes, alcohol swabs, and other medical supplies, it can improve individual patient care. In an embodiment, the caddy attaches to the IV pole and comprises a locking compartment for pre-filled syringes and an open tray for alcohol swabs and other medical supplies. The syringes may be filled with saline, heparin, or another solution.

A toilet tissue roll holder is provided having a telescoping structure that is attachable to a wall surface for providing replacement toilet tissue to a dispenser and shrouding unused rolls prior to deployment. The device includes a lowermost housing having a base surface, rounded sidewalls, an interior volume, and an open front. The lowermost housing connects to a first upstanding sidewall thereabove, which in turn supports a plurality of telescoping sidewalls that form individual toilet tissue roll containers extending upward. A viewing window is provided through at least one of the device sidewalls above the lowermost housing to allow an administrator to visualize whether a minimum number of reserve toilet paper rolls are still available. The structure is expanded and contracted depending on the number of rolls therein, while the lowermost housing and first upstanding sidewall provide the base structure that is secured to a support wall.

A carton for containing a plurality of articles. The carton comprises panels that extend at least partially around an interior of the carton. The panels comprise a top panel, a bottom panel, a first side panel, and a second side panel. The carton has a reinforced handle for grasping and carrying the carton.

A method of treating a cancer of the central nervous system in a subject in need thereof is provided. The method comprising administering to the subject a therapeutically effective amount of an agent which reduces blood glutamate levels and enhances brain to blood glutamate efflux to thereby treat the cancer of the central nervous system in the subject.

A bottled drink includes a cap and a bottle where a granular supplement containing multiple constituents in a stable manner is stored in the cap and a solution suitable for dispersing the granules is filled in the bottle. Granules which contains mutually incompatible multiple chemical agents or nutritional constituents and whose surface is coated with polyglyceryl fatty acid ester are stored in the cap of the bottle and the bottle is filled with a solution whose viscosity at a shear deformation speed of 0.01 s−1 is 10 to 300 Pa·s.

A reversible folio for a tablet computer has a tablet shell with a cavity removably receiving the tablet computer. A keyboard is pivotally and removably coupled to the tablet shell. A channel is pivotally coupled to an edge of the keyboard. An interior of the channel removably receives the proximal edge of the tablet shell, and has a profile mating with a profile of the tablet shell. The channel and proximal edge have first and second symmetrical magnet arrays, respectively. The proximal edge of the tablet shell physically mates with the channel of the keyboard, and the second magnet array of the tablet shell magnetically mates with the first magnet array of the channel, in both a first orientation and an opposite second orientation.

The present invention is directed to an ammunition package that includes a container having a bottom panel and an attached side panel. The inner face of the bottom panel is formed having a plurality of cartridge receiving sockets. An inner lid, foldable between an open position and a closed position, is attached at an upper edge of the container. Similarly an outer lid is attached to the container, in such a manner that the outer lid is foldable over the inner lid. In a preferred embodiment, an inner face of the inner lid is formed having a plurality of upper cartridge receiving sockets that align with the lower cartridge receiving sockets when the inner lid is positioned in the closed position. In the preferred embodiment, an upper face of the inner lid is formed as a tray when the inner lid is in the closed position.

A method for sanitary beverage can packaging incorporates a plastic sanitation sheet between the tops of the beverage cans and a plastic can retainer. The sanitation sheet covers the tops of the cans, protecting them from dust and overhead spills. Some embodiments use a watertight or airtight seal of the sanitation sheet around the can rim. Some embodiments include visible indicators of seal breakage or direct contamination, using moisture or oxygen detection. Some indicators create a hole in the sanitation sheet. Other indicators provide visible warning text or symbols. The sheet and indicators provide both actual contaminant protection and visible indication of contamination. Embodiments include the plastic sanitation sheet, integration with beverage cans, and a method for use in providing assured sanitary cans to consumers.