Abstract: A container cap includes: a first cap body formed with at least one first perforation and sealedly connectable to an opening of a container; a second cap body rotatably mounted on the first cap body and formed with at least one second perforation; and a sealing member positioned between the first and second cap bodies and formed with third perforations. The number of the third perforations is equal to the number of the first perforations. The third perforations are aligned with the first perforations of the first cap body respectively. The first and second cap bodies can be relatively rotated to unseal or seal the container for a user to select a desired mode for drinking a beverage contained in the container. For example, a user can directly drink a hot beverage with his/her mouth or insert a straw into the container to drink a cold beverage.

Abstract: A protective device for a wall region to be protected, includes a collar which has recesses penetrating the collar and is disposed around the wall region to be protected in an intended configuration of the protective device. A protective cap includes a base and a casing, which extends from the base substantially perpendicularly up to a casing edge and has recesses penetrating the casing. The casing recesses extend from the casing edge in the direction of the base of the protective cap. Casing sections are formed between the recesses. In the intended configuration of the protective device, the casing is disposed between the collar and the wall region to be protected, and one of the casing sections is disposed between each collar recess and the wall region to be protected so that a free linear connection is prevented between the respective collar recess and the wall region to be protected.

Abstract: An airtight container includes a jar, a cover, a sealing ring and a check valve. The cover includes an opening defined therein. The sealing ring is used to block a gap between the cover and the jar when the cover is located on the jar. The check valve includes a plug and a ball. The plug is fit in the opening and made with a chamber and a tunnel in communication with the chamber. The ball is used to contact the wall of the chamber when air tends to enter the jar via the check valve. The ball can however be lifted from the wall of the chamber by air leaving the jar.

Abstract: A lid (100,200) for a container (12) including at least one transparent section to enable the contents of the container (14) to be viewed or partially viewed when the lid (100,200) is fitted to the container (12). At least part of the at least one transparent section being constructed of an anti-fog material, or being coated with an anti-fog material, to prevent or reduce build up of condensation on an inner surface of the lid (100,200) during use.

Abstract: Drink containers with mouthpiece assemblies having a dispensing configuration and a stowed configuration. A mouthpiece assembly defines a liquid passage through which drink liquid may be dispensed when the mouthpiece assembly is in the dispensing configuration and includes means for selectively restricting the flow of drink liquid through the liquid passage when the mouthpiece assembly is in the stowed configuration. In some examples, the means for selectively restricting the flow of drink liquid include a tube that at least partially defines the liquid passage and which includes a crimping region. The crimping region may be constructed of a resiliently and reversibly deformable material that is adapted to restrict the flow of drink liquid through the liquid passage when the mouthpiece assembly is in the stowed configuration. In some embodiments, the mouthpiece assembly includes a means for automatically releasing the mouthpiece assembly from its stowed configuration to a dispensing configuration.

Abstract: Disclosed is an improved container including a container body defining a container cavity, the improved container including a container top configured to create at least two container openings via at least at least partial depression of at least two container portions into the cavity defined by the container body.

Abstract: A grease waste container has a main body forming an interior space; the container having vertical side walls, an enclosed base end, and an upper end that is wider than the base end. The upper end including a removable cover that is capable of releasably enclosing the interior space, and at least one bracket member attached to one of the vertical side walls and including an upper pin and a lower pin both adapted to releasably connect to a lifting system of a grease removal truck.

Abstract: A foil made of two plastic films and an adhesive layer laminating the two films together, wherein the first plastic film has a first side and a second side and comprises punctures therebetween. The foil is of a dual peel-seal type such that the first plastic film realizes a first peel-able seal within the foil at its first side in the form of an adhesion peel seal in an open state and/or in the form of a cohesion peel seal in a sealed state, and wherein the adhesive layer leaves open the punctures such that gas can penetrate through the punctures in-between the two films towards the first peel-able seal.

Abstract: A photomask storage apparatus including a bottom plate and top lid is provided. The photomask storage apparatus includes poly-ether ketone (PEEK). A fastening element is configured to couple the lid to the bottom plate. A retaining element is secured to the lid to prevent vibrations of a photomask. A vent structure is also provided. The vent structure is configured such that airflow through the vent is purged in approximately 360 degrees into a chamber including the photomask. The vent structure may include a particulate filter. A seal liner is disposed on the bottom component.

Abstract: A container cover for use with a container having a neck. The cover includes a lid, a skirt extending downward from the circumference of the lid, and a concentric plug seal extending from the lid inside the skirt. The cover also includes an annular recessed channel circumscribing the center of the lid, with the channel including at least one hole in a side wall of the channel, the hole allowing air to pass through the lid. The skirt preferably includes six lock panels. The sides of the lock panels are defined by vertical slots in the skirt, and each lock panel features at least one inwardly-projecting lock. When the cover is locked on the container, the locks engage a lip on the container neck. When a user wishes to remove the cover, the user pulls up on the edge of a lock panel, disengaging the locks from the container lip and removing the cover.

Abstract: A culturing container is disclosed having a container base and a container cover with plural vent openings. Plural filter retaining frames are affixed surrounding the vent openings to accommodate filter retention across the vent openings thereby establishing plural integral filter vents in the container cover. Multi-ridge outer peripheries of the container base and the container cover are engageable to provide substantially air-tight container sealing.

Abstract: A beverage container closure or lid that is adapted for closing an open end of a beverage container. The lid is selectively couplable to the beverage container and includes a selectively openable stopper that when closed, creates a fluid-tight seal between the beverage container and the environment. The stopper may be selectively opened by a user by the user pressing a button disposed on a side of the beverage container closure. The stopper is subsequently automatically closed when the user releases the button. Thus, a user may open and close the beverage container closure using a single hand without the need to remove the beverage container closure from the beverage container.

Abstract: The present disclosure relates to a container cover, and more particularly, to a container cover in which an air inflow groove is defined in a sealing member of a typical container cover configured to seal a container regardless of a volume of the container to easily separate the container cover from the container even though a pressure difference between the inside and outside of the container occurs. The typical container cover of the present disclosure includes a cover body including a flat part on a circumference portion thereof, a coupling part having a ‘’ sectional shape to surround the cover body, and a sealing member including a contact part in which a plurality of frames are disposed on a lower end of the coupling part. Here, an air inflow groove is defined in the lower end of the coupling part. According to the present disclosure, since a user lifts only a portion of the sealing member without seeking the air inflow groove, it may prevent a shape of the container cover from being damaged.

Abstract: An optional venting container comprises a base and a lid. The lid is releasably latched to the base. The lid comprises at least one veritable area formed therein. The at least one veritable area is adapted to form a vent only upon a user asserting pressure thereon. The lid is made from a polymeric foam.

Abstract: A metallic container closure comprising a shell of a thin metal sheet having a circular top panel wall 7 and a skirt wall 9, and a synthetic resin liner arranged in the shell, the skirt wall 9 having a thread-forming region and an annular groove 17 positioned at an upper end portion of the thread-forming region, wherein an internal pressure release line A extending in the circumferential direction is arranged in the skirt wall 9 at a portion over the annular groove 17, and annular bead 30 is arranged so as to pass through between the internal pressure release line A and the annular groove 17. The metallic container closure effectively releases the gas when the pressure in the container is elevated and effectively prevents the skirt wall from being deformed at a portion where the internal pressure release line A is formed when it is being wrap-seamed with the mouth-and-neck portion of the container.

Abstract: A fuel tank cap includes a housing having a side wall, a bottom wall, and a receptacle, a fuel vapor adsorption material positioned within the receptacle, an inlet at least partially defined by the bottom wall and configured to provide fluid communication with a fuel tank vapor space, an outlet at least partially defined by the bottom wall and configured to provide fluid communication with the atmosphere, an internal wall extending from the bottom wall at least partially into the receptacle, and an aperture at least partially defined by the internal wall and configured to permit fuel vapor to flow in a vapor flow path from one side of the internal wall to the other side of the internal wall.

Abstract: A fuel tank assembly with a fuel cap sub-assembly that includes active (that is, automatic) pressure equalization hardware and a passive (that is, manually operated) vent. The fuel cap assembly further includes radially oriented ratchet teeth. The fuel cap assembly further includes single piece fuel cap tether that is anchored in the interior space of the fuel tank.

Abstract: A storage cover for a storage case is provided. The storage cover for the storage case for opening and closing an opening formed on one side of a storage case to take in and out stored goods includes a plate-shaped cover unit for covering the upper part of the opening and a flexible rim extended along the edge of the cover unit in the direction of the thickness of the cover unit, made of an elastic material to be elastically extended, and pulled back toward the upper part of the cover unit when the opening is opened and pulled back toward the lower part of the cover unit when the opening is closed to surround the external circumference of the opening. Therefore, opening and closing operations are simply performed so that the storage cover can be conveniently used and that airtight coupling force can be maintained in spite of the repeated opening and closing operations.

Abstract: A system for storing high level radioactive waste. In one embodiment, the invention can be a system comprising an overpack body extending along a vertical axis and having a cavity for storing high level radioactive waste, the cavity having an open top end and a floor; an overpack lid positioned atop the overpack body to enclose the open top end of the cavity; an air inlet vent for introducing cool air into the cavity, the air inlet vent comprising an annular air inlet plenum and an annular air inlet passageway, the annular air inlet plenum extending radially inward from an outer surface of the overpack body to the annular air inlet passageway, the annular air inlet passageway extending upward from the annular air inlet plenum to an opening in the floor, and an air outlet vent in the overpack lid for removing warmed air from the cavity.

Abstract: A vacuum fresh-keeping cover includes an upper cover, a top of which is connected with an air suction-ventilation device, a lower rim of which is connected with a soft gasket that can be suppressed on any horizontal surface, and an interior of which is formed with a container space. When a barometric value of the container space gets larger, the air suction-ventilation device is activated to expel out air in the container space continuously, to keep the container space at a near vacuum condition for preserving objects or food. When pulling up a touching element of the air suction-ventilation device, the air in the container space is drained out by the air suction-ventilation device to quickly remove the upper cover, to facilitate consumers for use, and to conveniently separate the air suction-ventilation device from the upper cover, for easily washing the upper cover with water.

Abstract: A vented container consists of multiple zip locks and tiny channels formed between its lid and its base. The zip locks securely attach the lid to the base, while the channels allow steam inside of the container to escape freely but keep liquid from spilling out.

Abstract: A fitment is provided that includes a body, a cap and a membrane. The body has a first end and a second end. The body further has a body passage that extends between the first end and the second end. The cap has a first end and a second end. The cap has a cap bore that extends in the first end of the cap. The cap is configured to selectively plug the body passage proximate the second end of the body. The membrane is in the second end of the cap. The membrane is configured to allow two-way venting through the body passage of the body when the cap is plugging the body passage.

Abstract: The embodiments herein describe a container constructed in a preformed manner, such that no assembly of the container is required before use. The container includes a lid portion that is coupled to the base portion through a hinged connection such that the entire container is singularly constructed from a single piece of material. A nested configuration is achieved such that the base and lid portions are shaped to receive the corresponding base and lid portions of a second container. Such nested configuration allows for multiple containers to be stored in a nested stack, thereby minimizing storage space. The container can be fabricated from various types of re-used material along the lines of molded fiber.

Abstract: A fuel tank cap for a fuel tank of an engine. The fuel tank cap includes a fuel cap cover, a housing having a side wall, a bottom wall, and a receptacle, a fuel vapor adsorption material positioned within the receptacle, an inlet disposed near the bottom wall and configured to provide fluid communication with a fuel tank vapor space, an outlet disposed near the bottom wall and configured to provide fluid communication with the atmosphere, an internal wall adjacent the bottom wall and disposed between the inlet and the outlet, and at least one aperture configured to permit fuel vapor to flow in a vapor flow path from one side of the internal wall to the other side of the internal wall.

Abstract: An anti-twist device for a sealing cap that is located on a fixed connecting piece of a motor vehicle radiator. The sealing cap comprises an external cap part with a grip element and a sealing element, which can be connected to a counter sealing element of the connecting piece and in relation to which the grip element can be rotated. The sealing cap also comprises an internal cap part comprising a valve assembly that is configured in an excess/negative pressure combination. An anti-twist stop acts in the external cap part between the grip element and the sealing element. An anti-twist device of this type has a no-load function instead of a locking function and yet has a simple construction and is easy to produce. To achieve this, the anti-twist stop can be actuated by means of a drive, which is controlled by the operating data in the container and is located inside said container in close proximity to the external cap part.

Abstract: A lid (110) is provided for attaching to the rim (118) of the open end (116) of a container (112). The lid includes a large content discharge opening (124) in a smooth spout (122) around which the lips of a user can form a seal. The lid further includes a small vent opening (128) through the lid, or between the lid and the container. The large opening in the smooth spout and the small vent opening in the lid allow for unobstructed and rapid dispensing of the contents of the container, such as a liquid beverage, in a controlled and spill-free manner during consumption.

Abstract: A container cover for use with a container having a neck. The cover includes a lid, a skirt extending downward from the circumference of the lid, and a concentric plug seal extending from the lid inside the skirt. The cover also may include vent holes in the lid. The skirt preferably includes six lock panels. The sides of the lock panels are defined by vertical slots in the skirt, and each lock panel features at least one inwardly-projecting lock. When the cover is locked on the container, the locks engage a lip on the container neck. When a user wishes to remove the cover, the user pulls up on the edge of a lock panel, disengaging the locks from the container lip and removing the cover.

Abstract: A container (16) that is especially useful to hold hot baked goods to vent moisture and thereby increase the life of the baked goods. The container includes base and lid elements (12, 14), both formed of plastic sheeting, with especially the lid element having a plurality of small (preferably not more than ?th inch diameter) vent holes (50, 40, 42, 44, 52) that allow the escape of moisture while resisting the entry of dirt or objects.

Abstract: An easily closable and open able container system includes a number of features which facilitate easy opening and closing while maintaining a high seal, which will give a feedback to the user to let the user know that a seal is formed. A circumferentially inwardly disposed angled groove is formed on the inside the opening of a container. A complementary angled projection is formed on the circumferentially outwardly disposed surface of the lid for fitting into the circumferentially inwardly disposed angled groove formed on the inside the opening of a container.

Abstract: An insulated container is provided with a lid having a push-button trigger mechanism that operates both a shutter for a drinking orifice and a vent seal for a vent opening. The trigger has an actuation stroke. The vent seal is initially actuated during a first portion of the actuation stroke of the trigger to transition the vent seal from the closed position to the open position, and the shutter is initially actuated during a second portion of the actuation stroke of the trigger to transition the shutter from the closed position to the open position. Further, the shutter remains in the closed position during the initiation of the first portion of the actuation stroke of the trigger.

Abstract: A method of assembling selected modular ratchet cap assemblies. In one aspect, the method includes the acts of providing identical threaded portions, providing identical cover portions, providing a first vent module, providing a second vent module different from the first vent module, selecting the first vent module and coupling together the first vent module with one of the identical threaded portions and one of the identical cover portions to form a first cap assembly, and selecting the second vent module and coupling together the second vent module with another one of the identical threaded portions and another one of the identical cover portions to form a second cap assembly. In other aspects, the method includes assembling first and second cap assemblies with identical cover portions and threaded portions, but having different pawl members providing different cap-installing torque limits.

Abstract: A cover to be attached to a container having a mouth defined at an open end thereof. The cover includes a body having a plane surface defined at an upper end thereof and which is connected to a flap defined at a lower end of the body for sealingly engaging the mouth of the container. A semi-spherical shaped expansion chamber is positioned between and connecting the plane surface and the flap, and an inner trunk-conic wall abuts the plane surface and extends way from the plane surface and toward the mouth of the container. The inner trunk-conic wall terminates at a bottom wall, wherein the bottom wall extends transverse relative to a longitudinal axis of the cover; and an exhaust hole is defined in the bottom wall.

Abstract: A lid for securing to the brim of a container, the lid including a container closure having a disk shaped member with a periphery for mating with the brim of the container. The periphery includes annular inner and outer side walls with at least one annular rib disposed on each of the inner and outer side walls. The ribs of the annular walls form a gripping area to secure the lid to the container for preventing leaks and accidental spillage. A top wall interconnects the inner and outer side walls and includes visual cues for viewing the brim of the container when the lid is affixed to the brim. The lid additionally includes a pronounced wedge shaped sipping spout projecting upwards from the container closure. The container closure includes a circular indented channel for stacking one lid covered cup over another with additional stability provided by the sipping spout.

Abstract: A device for sealing a plurality of different sized containers, the device including a plurality of different sized rims, each of the different sized rims being for engaging with a respective different sized container, to seal the container.

Abstract: A closure for a container is disclosed having a body portion, a top portion, and a plurality of sealing rings. The body portion has an open bottom formed of a skirt and an end wall defining an opening. The top portion has a flap that is movable from a closed position where the opening is covered to an open position where the opening is at least partially uncovered to allow for matter to be dispensed. The plurality of sealing rings are within the skirt beneath the end wall and comprise (1) a first ring with a sealing surface provided a first radial distance from the skirt and a first axial distance from the end wall and (2) a second ring with a sealing surface provided a second radial distance from the skirt and a second axial distance from the end wall. The first radial distance is different than the second radial distance and the first axial distance is different than the second axial distance.

Abstract: A cover for a vented fuel tank cap comprises a cover body in which a cavity and a vent are formed. The vent may be built into the cap by drilling at an acute angle through a lower surface and an interior sidewall, and into the ceiling of the cavity. A hollow member extends from the ceiling into the cavity, allowing the cavity to remain in fluid communication with the vent. The exterior surface of the structure forms a barb for securing a flexible tube. The position of a moveable element within the cylinder, such as a ball, acts as a valve allowing air to enter the fuel tank through a slot when the cover is in place, while preventing loss of fuel if the tank assembly becomes inverted. The fuel cap cover features a low exterior profile, without protrusions, and the cover preferably has no articulated or detachable parts.

Abstract: A container cover for use with a container having a neck. The cover includes a lid, a skirt extending downward from the circumference of the lid, a concentric plug seal extending from the lid inside the skirt. The cover also may include vent holes in the lid. The skirt preferably includes at least two lock panels. The sides of the lock panels are defined by vertical slots in the skirt, and each lock panel features at least one inwardly-projecting locking wedge. When the cover is locked on the container, the locking wedges engage a lip on the container neck. When a user wishes to remove the cover, the user pulls up on the edge of a lock panel, disengaging the locking wedges from the container lip and removing the cover.

Abstract: An end cap for a pressure vessel has at least one part for connecting the end cap to a housing. The at least one part comprises a number of recesses. The recesses are arranged to form at least one fluid passage between an inside and an outside of the end cap when the end cap is plugged on the housing. A housing for a pressure vessel has at least one counterpart for connecting an end cap to the housing by engaging a part of the end cap. The at least one counterpart comprises a number of recesses. The recesses are arranged to form at least one fluid passage between an inside and an outside of the housing when the end cap is plugged on the housing. A method for leak testing a pressure vessel and a method for checking a connection between at least one end cap and a housing of a pressure vessel for leak tightness are also described.

Abstract: A container cover prevents spillage of contents. In one embodiment, the container cover includes a flexible body having a first portion that can be stretched over a mouth of a container. The container cover also includes a second portion providing a periphery around said first portion that can contract against the sides of a container on which the container cover is placed to hold the cover in position. The first portion when stretched over the mouth of the container has an extension forming an area of slack for the container cover to allow said container cover to expand as a result of increased pressure within the container. The container cover further includes the first portion also including an aperture to receive a tube for withdrawing contents from said container. The first portion of the container cover includes a venting system. The venting system is provided by a valve.

Abstract: A microwaveable packaged good article is described. The microwaveable packaged good article includes a container and an overcap. The container includes a base and a continuous wall extending from the base terminating in a chime. The overcap includes a panel, a neck extending from the panel terminating in a drip bead, and a skirt radially spaced from the drip bead to define a channel between the skirt and the drip bead. In this regard, the chime is received within the channel upon assembly of the overcap to the container.

Abstract: A food container including a container cover, a container body, and an interlocking arrangement which includes a stacking seat continuously indent at a top surface of the container cover along a peripheral edge thereof and an engaging rim continuously protruded at a bottom surface of the container body along a peripheral edge of the bottom wall, wherein the engaging rim has a size and shape geometrically matching with the stacking seat in such a manner that when the container is arranged in stack formation above another the identical container, the engaging rim is complementarily coupled with the stacking seat to engage the bottom surface of the container cover with the top surface of the identical container so as to substantially retain said two containers in position and avoid a lateral relative movement between the two containers.

Abstract: A food storage container has a cover and a base that provide a sealed storage area. The cover has a central engagement portion containing venting holes. The venting holes can be covered or exposed by an adjustable venting cover.

Abstract: A system is provided for venting a container used to supply a liquid to a spray coating device. The system may include a container cover having a buffer chamber, a liquid conduit configured to extend into a liquid container, a first vent conduit that extends into the buffer chamber, and a second vent conduit that extends from the buffer chamber to the liquid container.

Abstract: An overcap is provided for removably covering an access opening into the interior of a container. The opening in the container defines a peripheral rim and includes an outwardly projecting bead for releaseably retaining the overcap. The overcap is defined by a body portion formed to cover the opening of the container and a depending skirt. The skirt extends from the bottom surface of the body portion for a distance sufficient to cover the projecting bead of the container rim. An inwardly directed retaining ring is formed on an inside surface of the skirt for engagement with the projecting bead on the container. A vent is formed within the retaining ring to define a flow path past the retaining ring. The vent may be a spacing rib formed on the inside surface of the skirt with one or more flow channels formed within the retaining ring.

Abstract: A vent valve, and a vent valve assembly, for a liquid dispensing container, employ a vent disc having small open vent holes in cooperation with an overlying thin flexible flap that covers and closes the vent holes to limit liquid pressure on the holes when the container is upright, yet require little suction pressure to move the flap to draw liquid or vent through the holes. The vent valve can be used in a bottom cap that is attachable to the bottom open end of the container. The vent valve assembly includes such a bottom cap, a sealing member for sealing the bottom cap to the container, and a vent valve. The vent valve and/or bottom cap have an elevated vent disc and a top portion having the thin flexible flap.

Abstract: An improved lid for beverage containers which facilitates access to the container's contents, enhances the user's sensory perception of the contents and boosts the overall drinking experience without being removed, is disclosed and claimed. The lid of the invention achieves its objectives by combining multiple sensory elements to simultaneously enhance the user's sensory responses. The sensory elements allow the passage of liquid and vapor, the conduction and convection of heat and the visual perception of color, level and movement of the beverage. The invention integrates multiple elements of a press and lock on a beverage container lid. The shape of the lid provides a thin rim simulating the thickness of a lidless cup or a non-disposable mug or cup. The lid provides a well deep enough to avoid contact between the nose and the lid in the drinking position, thereby allowing the user's head to remain more upright while drinking.

Abstract: A mug (10) includes an outer transparent casing (40) having an open bottom end. A cup (11) is received in the casing (40). A display member (60) is positioned in a space (44) between the casing (40), and the cup (11) and images thereon can be seen through the casing (50). A threaded hub (16) is formed at the bottom of the cup (11), and a cap (64) engages the hub (16) to close the bottom of the casing (40). In this manner the cap (64) can be removed for access to the display member (60) should it be desired to change the display member (60). A timepiece (50) is carried by the casing (40) and a lid (20) may be attached to the cup (11). A cup (70) may be provided to engage the lower portion (43) of the casing (40) and to cover the cap (64).

Abstract: A container adapted for conserving a fresh fruit is provided. The container includes a bottom plate, a sidewall, and a top cover. The sidewall is configured encircling the bottom plate and upwardly extending from a periphery edge of the bottom plate, such that the bottom plate and the sidewall constitute a body portion of the container and define a receiving space inside the body portion of the container. The body portion of the container has an opening configured at an opposite side of the bottom plate. The top cover is adapted for correspondingly covering the opening of the body portion of the container.

Abstract: A bottle cap is provided that allows for venting of gases generated in a bottle. A single or multiple ridges are formed on the inner surface of the cap top such that the ridges sit on the bottle mouth rim when the cap is threaded onto the bottle. A single or multiple slots may be formed across each of the ridges. Alternatively, a single or multiple grooves may be formed on the inner surface of the cap top. The ridge(s) or groove(s) may also be formed on a disc fitted over the inner surface of the cap top. When the cap is threaded on to the bottle, gases generated in the bottle can escape through the slot(s) formed across the ridge(s) or through the groove (s) formed on the inner surface of the cap top. A liner having an opening formed through its thickness may be placed in the cap. The liner opening allows the passage of gases from the bottle to the slot(s) or groove(s) formed on the cap top or disc.

Abstract: A bottle cap is provided that allows for venting of gases generated in a bottle. A single or multiple ridges are formed on the inner surface of the cap top such that the ridges sit on the bottle mouth rim when the cap is threaded onto the bottle. A single or multiple slots may be formed across each of the ridges. Alternatively, a single or multiple grooves may be formed on the inner surface of the cap top. The ridge(s) or groove(s) may also be formed on a disc fitted over the inner surface of the cap top. When the cap is threaded on to the bottle, gases generated in the bottle can escape through the slot(s) formed across the ridge(s) or through the groove (s) formed on the inner surface of the cap top. A liner having an opening formed through its thickness may be placed in the cap. The liner opening allows the passage of gases from the bottle to the slot(s) or groove(s) formed on the cap top or disc.