Abstract: A closure having a liner is provided. The liner forms one or more venting recesses that facilitate relieving pressure from a container to which the closure is affixed. In embodiments the liner extends from an outer surface of an annular wall through an outer disc of the liner.

Abstract: A method for performing a nucleic acid amplification assay employs a thermally-conductive receptacle holder with one or more receptacle wells, each conforming to an outer surface of a lower portion of a vial. A through-hole extends from an inner surface of each well to an outer surface of the holder. A thermal element is positioned proximal to the holder for altering a temperature of the holder. A signal detection module is configured to generate an excitation signal directed through the through-hole of the well and detect an optical emission from a fluid contained in the vial supported by the well. At least one well supports a capped vial containing a reagent for a nucleic acid amplification assay and including an opaque cap sealing an open end of the vial. The lower portion of the vial is contained within a well, and the cap is situated above a top surface of the holder.

Abstract: A system for performing a nucleic acid amplification assay that includes a receptacle holder formed from a thermally conductive material and having a receptacle well for receiving a lower portion of a vial; a thermal element for cycling the temperature of the receptacle holder; a signal detection module in optical communication with the receptacle well; and a robotic pipettor. The receptacle holder supports a capped vial having a plastic, opaque cap in a snap-fit with a single plastic vial containing a nucleic acid amplification reagent. An upper portion of the cap includes a probe recess that is configured to be removably engaged by an end of a probe of the robotic pipettor. A lower portion of the vial is contained within the receptacle well, and the cap is situated above a top surface of the receptacle holder.

Abstract: A cap for a drinking vessel, and particularly a shaker cup. The claimed cap can be securely attached to the drinking vessel or shaker cup to avoid leaks, and also includes a sealable opening through which the contents of the drinking vessel can be poured or drunk and a handle that is convenient for a user and which is attached to the cap in such a manner that the handle moves somewhat freely relative to the cap and the mechanism for closing the opening in the cap. Any non-integral components that come into contact with the contents of the vessel are easily detachable to facilitate thorough cleaning.

Abstract: A cap and container reduce carbonation loss in filling containers with carbonated beverages. The cap has a splashguard with a circular bottom connected by a conical transition to a smaller diameter, cylindrical ring portion. A circular dispersing disk is above the transition and connected to the cap, with a small radial gap between the disk's periphery and the splashguard. A fluid seal is interposed between the ring portion and an open top of the container. The dispersing disk directs a fluid stream outward against the splashguard where the fluid passes through the radial gap around the disk and flows downward in a laminar flow over the conical transition and ring portions. A lip on the bottom of the ring portion extends outward and downward to conduct the laminar flow onto the container sidewall, which is inclined at less than five degrees to maintain laminar flow along the sidewall when filling.

Abstract: An aerosol dispenser, an outer container for an aerosol dispenser, and a preform for an outer container. The aerosol dispenser, outer container, and preform each have a neck including a crimp ring. The crimp ring may be configured to receive a valve cup, which is clinched thereto. The crimp ring includes one or more vents. The vents may be used to control overpressurization within the dispenser. The vents may be exposed to pressurized propellant and product due to deformation of the neck during undue overpressurization. The vents allow propellant and/or product to be released therethrough in the event of overpressurization.

Abstract: A safety plug for a pipe formed of two engageable plug halves each having a mateable face to seal together around a cable. An outer surface includes a plurality of steps corresponding with different pipe sizes for engagement within the pipe. The outer surface is threaded or includes a locking mechanism which moves a portion of the two engageable plug halves into physical engagement with threads of the pipe. The locking mechanism can include locking pins at each of the outer steps, and which are extended outward by a manual push button upon the plug being placed in a pipe.

Abstract: The invention relates to a method for processing steel slag to produce a hydraulic mineral binder with a high hardening potential and to recover iron. There is provision for this purpose to provide a feed product comprising steel slag with MnO. This feed product is further processed as a melt by introducing reducing agents into the melt. A lime saturation factor of between 90 and 110 is hereby to be achieved in the mineral melt portion. Subsequently the melt is cooled in a defined manner and elemental iron is mechanically separated from the solidified melt. The solidified melt is then supplied for use as hydraulic mineral binder.

Abstract: A plastic container with a cut neck is disclosed, which is produced by stretch blow-molding from a preform manufactured by plastic injection or plastic flow molding, and which immediately following production, or separated in space and/or time, is inserted into a mold cavity of a blow-mold tool of a stretch blow-molding device and with the aid of a blow-molding medium inflated and stretched according to the mold cavity. The preform is then shaped to form the desired plastic container by cutting off an excess section that includes an injection-molded neck part of the preform.

Abstract: An element for ventilation of a housing containing an electrical, electronic, mechanical, electromechanical or similar device such as a motor vehicle headlamp, including a rigid body having an outer cylindrical wall, closed off at a first extremity by a closing part, the cylindrical wall open at a second extremity attached to the housing, the body including an inner member of an at least partly yielding material having a first extremity close to the closing part of the rigid body and bearing a filtering membrane, and a second open extremity facing the housing; between the filtering membrane or the first extremity of the inner member and the closing part of the rigid body there is a distance of between 1 and 4 mm, securer for securing insertion of the inner member within the rigid body provided to allow the distance to be automatically maintained at time of insertion.

Abstract: A method for preparing a sample involves providing a container having an open end; a pipette for transferring material to and from the container; a cap to seal the open end and to allow the pipette to enter the container. The cap and pipette have cooperating stop portions for preventing the pipette from advancing where, upon engagement a pipette tip stops above a first predetermined level but below a second predetermined level. The method involves placing lysis facilitating means in the container at or below the first predetermined level; and a lysis buffer solution to cover the lysis facilitating means; sealing the open end; placing sample material with the pipette; subjecting the sample to lysis; inserting the pipette into the container until the cooperating stop portions and the pipette engage and the pipette tip stops approximately midway between the first and the second levels; and aspirating the obtained lysate.

Abstract: The present disclosure is directed to a marble-sealed bottle that preserves the marble features yet allows for easy opening, re-closing, and unobstructed pouring of the content stored in the bottle. In addition, the disclosure provides a mobile application that improves consumer engagement with the product and facilitates collection of certain information about the product users and individuals connected to them via social networks or similar software applications.

Abstract: A closure cap assembly for a container having a spout is described. The closure cap assembly includes a spout adapter and a cap. The spout adapter has a tubular body portion and a pull portion. The body portion is configured to be fixed to the spout of the container, and the pull portion is positioned in a flow passage of the body portion. A proximal end of the pull portion is connected to the body portion to form a seal across the flow passage. The distal end extends beyond the distal end of the body portion. The cap has a top end and a bottom end, is connected to the external surface of the body portion, and is connected to the pull portion in a way that the pull portion separates from the body portion as the cap is removed from the body portion.

Abstract: Disclosed is a bottle for containing a beverage which has plastic body. The bottle includes a bottom surface having a non-sliding element located to be in contact with a surface when the bottle is in the upright position. In addition or alternately, the bottle includes a neck portion which has at least two spaced apart circumferential ribs. Preferably, each of the ribs is disposed normal to a vertical axis of the bottle in its upright position. In another embodiment of the invention, the ribs are continuous along the exterior of the neck.

Abstract: A process for making a multilayered article, the process comprising the steps of: (A) Providing a mold comprising: (1) A mold housing comprising (a) at least one injection port, and (b) defining a mold cavity within which are positioned two deformable, pre-molded polymeric sheets; and (2) A removable, hollow core equipped with at least one vent, the removable, hollow core positioned between and space apart from the two polymeric sheets; (B) injecting under high pressure a viscous, crosslinkable, thermoplastic polymer into the mold cavity between the two polymeric sheets and around the removable core, (C) Drawing a vacuum on the mold cavity through both the vent in the mold housing and the vent in the removable, hollow core before, during and/or after the polymer has been injected into the mold; (D) Forming a less than fully cured multilayered article in the mold cavity; and (E) Removing the less than fully cured multilayer article from the mold cavity.

Abstract: A bottle cap capable of connection to another bottle cap stacked in an axial direction, and which can be detachably attached to a bottle mouth of a bottle, includes a top plate that covers an opening of the bottle mouth, a side wall of a hollow cylinder that vertically extends from a rim of the top plate and is screwed to the bottle mouth, an inner cylinder of a hollow cylinder that vertically extends in a space surrounded by the side wall from an inner surface of the top plate and forms an annular space with the side wall, and a plurality of cylindrical projections that project from an outer surface of the top plate and have a diameter having a same dimension as a width of the circular space in a radial direction. A projection position of the projections overlaps a set position of the annular space.

Abstract: A plastic container includes a lid adapted for leak-proof sealing state with a base. Mating surfaces of the lid and base rims form one or more proximal seal zones when the lid rim and base rim are in an initially sealed state. Hinge-forming structure extends from a first hinge-joining section of the lid rim to a second hinge-joining section on the base rim. In the initially sealed state the first hinge-joining section superposes over all or part of the second hinge-joining section, the area at which the first hinge-joining-section superposes the second hinge-joining section defines an overlapping portion of the first and second hinge-joining sections. One or more vent channels are formed in either of the lid rim or base rim and located within the radially overlapping portion. The one or more channels form a complete discontinuity in the one or more proximal seal zones. Because the channels are within the overlapping portion, they are protected from tampering access.

Abstract: A lid for a cup is described where the lid acts to hold a can upside down inside the cup. The lid including a rim attachment mechanism allowing the lid to be attached to the cup and a dome connected to the rim attachment mechanism and having an aperture therein. The lid also includes a can receptacle extending from the top into the interior of the dome through the aperture in the dome, wherein the can receptacle is formed to accept a can and to hold the can in a fixed position relative to the lid, and a bottle receptacle extending from a bottom of the can receptacle, wherein the bottle receptacle is formed to accept a neck of the bottle and to hold the bottle in a fixed position relative to the lid.

Abstract: A lid for a disposable coffee cup is provided which permits a user to drink from a beverage can, such as a beer or pop can, suspended within the interior of the disposable coffee cup. The lid has an outer rim which engages with the rim of the disposable cup. It also has an inner circular attachment ring attached to the inner surface of the lid which has tabs to grasp the rim of the beverage can and form an upper chamber through which the beverage can flow from the beverage can opening to the lid's drinking aperture. The beverage flows from the beverage can through the lid aperture when the cup is tipped. The user can thereby drink from the beverage can without the user's lips touching the can surface. Also it appears to an observer that the user is drinking from the disposable cup, not the beverage can, and also the beverage can is insulated to keep it cold.

Abstract: A kit comprises a container having an open end; a pipette for transferring the material to and from the container with an open tip for drawing and the biological material; a cap configured to seal the open end of the container and to allow the pipette tip to enter the container through the cap. The cap and the pipette have cooperating stop portions for preventing the pipette from advancing into the container upon engagement of the stop portions. The pipette, the cap and the container are mutually configured such that upon engagement of the cooperating stop portions, the tip stops above a first predetermined level but below a second predetermined level in the container; the first predetermined level being a level for a first substance; the second predetermined level being a level for solution second substance, and the first level being lower than the second level.

Abstract: The utility model belongs to cups, particularly a new side push button lid. The cup lid comprises a threaded body, a hold-down piece, a sealing seat, an upper lid body, an upper lid plate, a push rod, a sealing valve, and a button connected successively from bottom up. The middle area of the lower end of the push rod is movably connected with the holder on the hold-down piece; one end of the push rod is connected with a sealing valve in a snap-fit manner; the other end is connected with a drive rod of the button; and the upper end of the seal valve abuts the water outlet of the upper lid plate. The pressed button drives the drive rod to apply a pushing force to the push rod to force the sealing valve to move downward, the sealing valve is removed from the water outlet and water is supplied.

Abstract: The container closure (1) consists of a spout (2) intended to be connected to a container and of a cap (3) that closes the spout. The latter is provided with two wings (6). From a sealing closed position, the cap (3) is movable by a twisting movement of less than 180 degrees to a released position in which it can be withdrawn from the spout (2). Stop means arranged on the spout (2) and on the cap (3) define the closed position. In addition, a locking member (11) may be provided in the cap (3) which only allows opening the latter after the rupture of a predetermined breaking point (18).

Abstract: A liquid dispensing lid is described and which includes a lid body defining a drinking aperture, and an internal cavity, and wherein the lid body cooperates with a drinking vessel for enclosing a source of a liquid to be consumed, and a fluid regulating plate is provided, and which movably cooperates with the lid body, and which further is operable to move along a path of travel from a first position which impedes the movement of the liquid to the drinking aperture, to a second position which allows liquid to move to the drinking aperture.

Abstract: The present invention is related to a cap assembly which is put over a mouth of a bottle and a method for capping of capping the cap assembly to a bottle, and includes a function that makes it possible to open an inner stopper only by operating a cap when removing the cap initially, and makes attaching thereof to the bottle easy. There are included an inner stopper 40 and a cap 50, which respectively include a male screw thread 411c and a female screw thread 541, and the inner stopper 40 and the cap 50 while a state in which they are assembled is maintained are capped to a bottle 60, and when the cap 50 is removed initially, the cap 50 is firstly rotated in a direction of closing to have a junction section 52 broken, and then the cap 50 is rotated in a direction of opening so that the lid body 42 of the inner stopper 40 is removed together with cap 50, thereby causing the inner stopper 40 also to be in a state of being opened.

Abstract: A container for storing a histological sample comprises a container housing having an open top end and a bottom end defining a container interior. The container interior is configured to hold a fluid and receive the sample. A removable lid encloses the open top end. A container insert engages the container housing so as to substantially inhibit leaking of the fluid from the container. The insert includes an aperture configured to permit a sample holder containing the sample passage therethrough so as to enable depositing of the sample within the fluid in the container.

Abstract: Reversible lid (1) for a storage or reheating canister, comprising a first (2) airtight attachment means designed to cooperate with an upper edge (4) of a container (5) when the lid (1) is arranged along a first direction on the container (5) and a second (3) airtight attachment means designed to cooperate with said upper edge (4) of the container (5) when the lid is arranged in the reverse direction on the container (5), characterized in that the lid (1) comprises a two-way steam release mechanism (10), connecting the two opposite surfaces of the lid, and in that said two-way release mechanism (10) allows a flow to pass between the two surfaces of the lid (1) when the pressure difference between the two surfaces is greater than or equal to a value (P0), particularly when reheating food in a microwave oven.

Abstract: The lid includes a body having a top surface and a bottom surface, the top surface includes a groove therein separating an inner portion and an outer portion. The lid also includes a flexible skirt integrally joined to and carried by the outer periphery edge of the body. The groove defines a flexible zone which permits the flexible skirt to flip between a first position and a second position. The method of using the lid includes the step of positioning the lid with the flexible skirt in a second position above an open end of a container. The method further includes the step of securing the lid and the container together by moving the flexible skirt from the second position to a first position to cause engagement of the flexible skirt with the container thereby forming a removable attachment and a substantial seal between the lid and the container.

Abstract: A dispensing closure for covering an opening of a container including a liquid is presented. The dispensing closure includes an engagement element that fits over the opening of the container and defines a pouring orifice for allowing pouring of the liquid. The pouring orifice having a side defining an air channel for allowing air to flow into the container when liquid during the pouring. The engagement element also includes outer walls and a cap having a hollow including inner walls tightly conforming to the outer walls, a first orifice generally conforming in shape to the pouring orifice, and a second orifice generally conforming in shape to the air channel.

Abstract: Aspects of the present invention disclose and describe a container for displaying, visualizing, and aroma sampling botanical materials—such as tea, cannabis, and the like including a container body, lid, and lens. The container body is shaped to define a mounting projection wherein a sample, such as a botanical sample, may be held. Container body and lid form an airtight seal. A sample may be visualized through the lens. In a preferred embodiment, lid is shaped to define scent openings permitting aroma sampling of a sample contained within. In one embodiment option, one or more projections secure a card bearing sample identification information.

Abstract: An embodiment of a cable assembly includes a cable including at least a shielded conductor, a mating connector mounted to a first assembly end, and an elongated strain relief grommet disposed longitudinally between the cable and the mating connector. The strain relief grommet includes a grommet body formed from a compressible material. The body includes a first grommet end portion disposed proximate to the mating connector, and a second grommet end portion disposed distal to the mating connector.

Abstract: A canister comprises a vessel defining a volume and an opening having a rim and a lid. The lid comprises a flexible bulb and a conformal outer edge configured to create an airtight vacuum seal with the rim to close the opening. The flexible bulb is configured to release pressure from the vessel and break the airtight vacuum seal in response to compression of the bulb. The lid can be configured to be completely contained within the rim.

Abstract: A closure inner shell includes an annular skirt extending axially from a base wall and having an external thread segment. The base wall may have a central passage and the skirt may have circumferentially spaced petals. A closure outer shell may include a vented plug seal extending axially through the central passage of the inner shell, and an annular outer skirt to engage the petals of the inner shell and having an internal thread segment for threaded engagement with the external thread segment of the inner shell. A container may include a container neck bead for engagement with the petals, an inner annular sealing surface for engagement with the plug seal, and an inner annular relief to cooperate with the vented plug seal to establish a vent path.

Abstract: A consumer product comprises a container for packaging a composition having a scent. A removable cap is fitted to the container, with the cap and the container defining a cavity therebetween. The cap has an orifice, for communicating between the cavity and an exterior of the cap, and a manually deformable part which is adapted to be displaceable thereby to displace air from an internal location within the cavity outwardly through the orifice.

Abstract: A closure inner shell includes an annular skirt extending axially from a base wall and having an external thread segment. The base wall may have a central passage and the skirt may have circumferentially spaced petals. A closure outer shell may include a vented plug seal extending axially through the central passage of the inner shell, and an annular outer skirt to engage the petals of the inner shell and having an internal thread segment for threaded engagement with the external thread segment of the inner shell. A container may include a container neck bead for engagement with the petals, an inner annular sealing surface for engagement with the plug seal, and an inner annular relief to cooperate with the vented plug seal to establish a vent path.

Abstract: A stopper device including a stopper, cap and ring provided with tabs for locking onto a container neck and a body for handling the ring. The body includes a first mechanism for transmitting a thrust force to the ring and a second mechanism for activating the tabs. The ring and the handling body are respectively provided with first and second retainers that hold the handling body in a waiting position. The handling body is mobile parallel to the thrust force direction and in relation to the ring, between a first position activating the tabs of the ring and is mobile in translation only in the thrust force direction, and a second position that also activates the tabs and is immobilized in relation to the ring in axial translation. The tabs extend from a continuous edge of the ring and are each arranged in an opening with a closed contour.

Abstract: A package for a particulate laundry scent additive.

Abstract: A cap is provided for a laboratory vessel. The cap includes a lid that can be rotated relative to the laboratory vessel from a closed position to an open position. The lid includes at least one tab dimensioned and disposed for receiving manual digital pressure for opening and/or closing the lid. The tab is in an offset position to prevent a thumb or forefinger from passing over and in contact with the opening to the vessel. Additionally, the lid includes a shield inwardly from the tab for further preventing contact between a finger and the open top of the vessel.

Abstract: A device that assists with equalizing air pressure within a bottle with the atmospheric air pressure as liquid is being poured from the bottle and includes one or more relatively short air tubes. The air tubes are situated with an upper inlet rim of the air tubes located flush with or relatively near the bottle rim. Whether an insert or integrated into the manufacture of a container, the one or more air tubes that extend partially into the container allow air to pass into the container as the liquid exits the container. The pressure equalizer not only minimizes or prevents the common glugging effect, but it allows liquid from a bottle to be poured smoothly at any angle and orientation. A cap incorporating a detachable pressure equalizer is also described.

Abstract: A drinking mouth portion pointing upward is provided on a plug body of a container main body having a sealed structure. A down-pointing beverage cylindrical member is built into the container main body and has a front edge side thereof communicated with the drinking mouth portion. Provided inside a fluid passage of the beverage cylindrical member is a valve movable in accordance with a pressure difference therein. The valve is not manually opened and closed, but reacts to a suction force in the fluid passage. An up-pointing cut-out section is provided on a lower edge of the beverage cylindrical member, thus allowing one to drink up a content fluid remaining in an inner bottom section. Therefore, a relatively small number of additional parts are needed to address the spewing of a content fluid and the occurrence of a residual liquid at the time of opening the drinking mouth portion.

Abstract: This device comprises an elastomer stopper (501) and a cap (502) suitable for covering both the neck (12) of a container and the stopper in position in this neck. The cap comprises a ring (503) provided with means (503G) for locking it to the neck and an operating member (504). The operating member (504) is fitted with at least one deformable part (506C) for transmitting a thrust load (f2) parallel to a central axis (X503) of the ring (503), between two portions (505, 506) of this member (504) or between an external material (301) and this member (504). The load transmitting part (506C) is deformable between a first configuration in which its length (L506) parallel to the central axis (X503) is a first value and a second configuration in which this parallel length is a second value that is less than the first value.

Abstract: A metallic container closure including 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).

Abstract: An accessory for a drinking vessel is disclosed as including a body (102) with a passageway allowing air or liquid to pass through, the body including a first wall (104a) and a second wall (104b) which are opposite to each other, and a valve (110) in the passageway, the valve (110) including a first valve member (110a) and a second valve member (110b), in which both the first and second valve members (110a, 110b) are integrally formed with the first and second walls, and each of the first and second valve members (110a, 110b) includes respectively a first surface (111a, 111c) and a second surface (111b, 111d) which are opposite to each other, in which the first surfaces of the first and second valve members face generally a first direction, and the second surfaces of the first and second valve members face generally a second direction which is opposite to the first direction, and the first valve member is deformable between a first configuration in which at least part of the second surface of the first valve

Abstract: A tamper-evident package with pressurized contents which includes a closure and associated container which cooperate to provide desired tamper-evidence upon initial removal of the closure from the container, while promoting convenient and comfortable removal and use by consumers.

Abstract: A pressure medium container for hydraulic motor vehicle braking systems, with at least one chamber which can be filled with a liquid medium via a filler neck, and with a cover which can be fastened to the filler neck and has means for equalizing the pressure between the chamber and the atmosphere, wherein a sealing element is provided to prevent the liquid medium from emerging from the chamber. The sealing element has a space exposed to the atmosphere and has one or more openings facing the chamber, the space being configured such that liquid medium penetrating the space undergoes an increase in surface area, while its volume remains constant, when displaced by means of a further gaseous medium, and, when a threshold surface tension is reached, the liquid medium is forced back into the chamber such that the gaseous medium can flow into the atmosphere via the sealing element.

Abstract: A lens care system and method for venting gas to release pressure from a container, such as generated in peroxide-based lens treatment. A seal formed between a deformable cap and a container cup prevents release of liquid, but deformation of the cap under the influence of pressure generated within the container temporarily releases the seal to permit venting of gas.

Abstract: An assembly of a container and a closure, the assembly having an overpressure relief system, wherein the system has a fixation between the closure and a container, the fixation providing two positions in between which the closure is movable.

Abstract: A food container system and method of using same is provided for heating, storing or cooling food placed within a container. The container system facilitates heating of food without dehydration of the food, and it permits cooling of the food, such as, for example, cooling in a refrigerator or cooling at room temperature after removal from a heating oven or microwave, without vapor lock preventing or making difficult the removal of a lid from a container in which the food is heated or cooled. The system comprises, in one aspect, a ceramic lid and a ceramic container to receive the lid, and a seal having a channel there through and disposed intermediate the ceramic lid and the ceramic container. In one aspect, the seal may comprise a heat-resistant silicon material.

Abstract: A carboy has a rigid body forming an interior chamber for receiving a liquid. The chamber has a wall terminating at an opening and maintains a substantially constant shape at room temperature. The carboy also has a closure permanently secured to the opening for forming a sealed connection with the rigid body, and a plurality of tubes extending from the plurality of ports in the closure to fluidly connect with a carboy circuit. The closure has a plurality of ports for selectively providing access to the interior chamber, where at least one of the tubes extends out of the interior chamber. The at least one tube also extends inwardly from the closure and into the interior chamber.

Abstract: The present invention relates to a metal cap which seals the mouth of a bottle for drinking or the like, and a bottle with the cap which is furnished therewith.

Abstract: A device that assists with equalizing air pressure within a bottle with the atmospheric air pressure as liquid is being poured from the bottle and includes one or more relatively short air tubes. The air tubes are situated with an upper inlet rim of the air tubes located flush with or relatively near the bottle rim. Whether an insert or integrated into the manufacture of a container, the one or more air tubes that extend partially into the container allow air to pass into the container as the liquid exits the container. The pressure equalizer not only minimizes or prevents the common glugging effect, but it allows liquid from a bottle to be poured smoothly at any angle and orientation. A cap incorporating a detachable pressure equalizer is also described.