Abstract: The invention relates to the field of toys, including children's construction sets, and can be used during the production of elements of children's construction kits for making three-dimensional models. The present construction set element is a convex body and is provided with studs on its upper part, main grooves on its lower part, additional grooves on its side faces, and a locking button. The element is made from a contoured blank having uniform thickness of the surface formed from a pulp based on a fibrous substance. The universality of a construction set element and the combination possibilities of the elements are increased, the coupling efficiency of the construction set elements with one another is increased, and the technique for manufacturing the element is simplified.

Abstract: A preform is provided for blow-molding to form a container. The preform includes a finish portion for rotatably engaging a closure to seal contents within an interior of the container. The finish portion comprises a cylindrical body that begins at an opening to the interior and extends to and includes a tamper evidence ledge. A mirror polished sealing surface inside the finish portion cooperates with a plug seal of the closure to seal the container. Threads outside the finish portion engage with similar threads inside the closure. Thread starts of the threads reduce potential damage to the threads during installation of the closure. The thread starts may include a start pitch that is greater than a thread pitch of the threads. A handling valley disposed between the threads and the tamper evidence ledge facilitates air-conveying the container along a manufacturing assembly line.

Abstract: A stackable bottle system is a modular apparatus used to present a tasting set of wines, or other separate beverages and liquids, in a user-configurable unit assembled from multiple independent containers. The stackable bottle system utilizes a plurality of interlocking bottles, each individually formed from a core container, a protruding engagement structure, a recessed engagement structure, and a separable seal. The separable seal is mounted over an opening in the core container, enclosing a reservoir. The core container provides a hollow body to retain any liquid therein. The protruding engagement structure and the recessed engagement structure are integrated into the core container at a neck end and a base end, respectively. The protruding engagement structure of an arbitrary bottle is engaged into the recessed engagement structure of an adjacent bottle to form the basis for the modular assembly of the present invention.

Abstract: A medical package containing a medical article, including: a support element comprising a hollow support tube and a support cap, wherein the support element includes a first chamber configured to enclose the medical article and wherein the support cap includes a support structure configured to hold the medical article captive; a stopper configured to be coupled to the hollow support tube in such a way that the support element has a grip part that protrudes from the stopper, the grip part of the support element configured to be held by a hand of a person; a hollow protective cover configured to be coupled to the stopper in such a way as to delimit, in cooperation with the stopper, a second chamber inside which there extends the grip part of the support element, the hollow protective cover configured to be separated from the stopper, wherein when the hollow protective cover is coupled to the stopper, a part of the stopper protrudes from the hollow protective cover, and is configured to form a grip end of the st

Abstract: The invention relates to a medical assembly, preferably a sterilized one, comprising a medical article (5) and a package containing said article, said package comprising a hollow support element (2) inside which said article (5) is free, a first protective element (3), called a stopper, which can be coupled to the support element (2) of said article, such that the support element (2) has a grip part (20) that protrudes from said stopper (3), and a second hollow protective element (4), called a cover. Said cover can be coupled to the stopper (3) in such a way as to delimit, in cooperation with said stopper (3), a chamber (8) inside which there extends said grip part (20) of the support element, and, in the state when the cover is coupled to the stopper, a part of the stopper (3) protrudes from the cover (4).

Abstract: The multi-nozzle multi-container fluid spray device includes multiple, for example, three, containers. Each container may hold a different liquid which the user may dispense simultaneously, in a desired combination, or individually. The containers are connected to each other and to a spray handle and spray head in a reversible manner. The spray head includes multiple nozzles, with each nozzle being designed to independently turn on, off, or to dispense a liquid spray at a desired density of liquid particles. The multiple pumps and hoses may be housed within the spray head. Each of the hoses extends from a single pump into one of the containers. Each pump is designed to dispense a liquid from one of the containers through a single nozzle. If a nozzle is turned off, the pump connected to that nozzle does not dispense liquid from the container with which it is connected.

Abstract: An adapter for placing a mug into a traditional cup holder has a top section, a generally vertical slot in the top section configured to receive a handle of the mug, and a bottom section configured for inserting the adapter into the cup holder.

Abstract: A container includes a finish, a shoulder portion, a body, and a base portion. The finish defines an opening. The shoulder portion extends from the finish. The body extends from the shoulder portion and defines a chamber. The base portion extends at an end of the body opposite to the shoulder portion and is moveable from an as-blown position to an expanded position and from the expanded position to a retracted position. The base portion includes a standing ring, a pivot area, and a central area. The pivot area is disposed between the standing ring and the central area. The pivot area is configured to flex and move the central area along the longitudinal axis when the base portion moves from the as-blown position to the expanded position, and from the expanded position to a retracted position.

Abstract: A fluid delivery device having a trigger actuated sprayer assembly for dispensing a liquid with features such as a bottle with a concavity, a clip around the bottle neck, a sprayer assembly with a bottle filling conduit and a translucent neck window on the sprayer assembly for viewing the bottle filling conduit. The fluid delivery system includes a bottle with a concavity in the side wall attached to a body. A pump in the body receives fluid from the bottle via a fluid inlet conduit and discharges the fluid from a fluid discharge conduit. Also provided is a kit including (i) a fluid delivery device with a bottle, and (ii) one or more fluid refill containers, wherein the bottle and the container(s) include matching indicia of the fluid such that the bottle is only filled from a container with the fluid indicated by the matching indicia.

Abstract: A beverage container assembly including a first beverage container having a first vessel body that has a first base having a first perimeter and a first side wall connected to the first base, wherein the first side wall includes a connecting member. The first beverage container including a first rim defined on the first side wall distal to the first base. The assembly further including a second beverage container that includes a second vessel body that has a second base having a second perimeter and a second side wall connected to the second base. The second side wall includes an engagement member that engages with the connecting member so that the first beverage container is attached to the second beverage container.

Abstract: An apparatus for fluid conditioning of an object and materials located therein. The apparatus comprises a vessel, a perforated carriage insert, and a lid. The vessel further includes a liquid in fluidic communication with the perforated carriage insert. A circulating means is mounted within the vessel and is driven by an external power source.

Abstract: A container assembly for carrying a consumable material which includes a container with a sidewall and a bottom connected together. The sidewall defines an opening and at least one of, one of a bead and a recess. A receptacle member configured to receive a portion of the container wherein the receptacle member includes a sidewall and a bottom connected together. The sidewall of the receptacle member defines at least one of, the other of the one of the bead and the recess and defines a depth of the receptacle member such that with a portion of the container positioned within the receptacle member and releasably secured together, the bottom of the container and the bottom of the receptacle member are spaced apart and at least a portion of the sidewall of the receptacle member is positioned spaced apart from the sidewall of the container.

Abstract: A stackable glass having a bowl with a rim and a partially hollow base formed by a wall coupled to the bowl opposite the rim. A central structure is arranged in the partially hollow base that extends away from the bowl. The central structure and tapers toward the wall of the partially hollow base to define an annular moat surrounding the central structure. There is at least one vent passing through the wall of the partially hollow base arranged in the partially hollow base proximate to a point at which the central structure meets the wall of the partially hollow base that provides a passage between an inside of the partially hollow base and an outer surface of the stackable glass.

Abstract: According to certain aspect, the present invention provides a two-bottle package design comprising a first bottle and a second bottle. The second bottle can be frictionally inserted into an opening in the middle of the first bottle during normal storage and separated from the first bottle for mixing before actual application of the stored products. In one embodiment, the package comprises a first bottle to contain a liquid product and the second bottle to contain a concentrate refill of the first product. In another embodiment, the package comprises a first bottle to contain the first product, and a second bottle to contain a second product to be mixed with the first product before actual application of the mixture.

Abstract: A leak-proof, interlocking, stackable travel container assembly has a sealing plug and a plurality of travel containers. The sealing plug is designed to create an airtight seal when positioned within an opening. In order to do so, the sealing plug has a first sealing ring, a second sealing ring and a lip. Each of the plurality of travel containers has a neck portion, an opening, a body portion and a base portion. The opening perpendicularly traverses into the neck portion allowing an user to place and remove items within the travel container. When required, the sealing plug is placed within the opening. Next, a protective cap is used to surround the sealing plug. If multiple travel containers are to be used, a base interlocking mechanism and a neck interlocking mechanism are used for interlocking each of the plurality of travel containers.

Abstract: A vessel is configured to hold a product in an interior region formed in the vessel. The vessel includes an inner layer arranged to define the interior region and an outer layer. The vessel is formed using a blow-molding process in which a multiple layer parison is blow molded to form the vessel. The multiple layer parison is formed in an extrusion process in which a number of extruders are arranged to co-extrude associated inner and outer parisons to establish the multiple layer parison.

Abstract: Stackable trays for jugs, stacked arrangements and stacking methods are disclosed. A tray has a first surface to support a bottom of one or more jugs, and could include jug receiving cells. A collar could extend downwardly from a second surface opposite the first surface and have at least one notch sized to receive a portion of a handle of a respective jug located beneath each jug receiving cell. Load transfer to the handles of the jugs below the second surface could be provided by load transfer structures, such as the collars in one embodiment, which extend from the second surface to engage the jugs. A stacked arrangement includes multiple layers of jugs with a respective stackable tray between adjacent layers of the multiple layers. The trays could thus be used in stacking or otherwise arranging jugs in multiple layers.

Abstract: A container which includes a recessed portion and a complimentary top and base of generally undulating design which allow for a stack of such containers to be arranged where the neck of a lower container is placed within the recessed portion of an upper container and the base of the upper container contacts the top of the lower container. The container stack can then be extended to comprise multiple stacks which are positioned on a shipping pallet to provide for improved transportation efficiency of palletized containers.

Abstract: A container defining a longitudinal axis and a transverse direction that is transverse with respect to the longitudinal axis is disclosed. The container includes a finish, a sidewall portion extending from the finish, and a base portion extending from the sidewall portion and enclosing the sidewall portion to form a volume therein for retaining a commodity. The base portion has a contact surface for supporting the container. The container also includes at least one strap extending along the base portion in the transverse direction. The strap defines a strap surface, and the strap surface is spaced offset in a direction parallel to the longitudinal axis from the contact surface. The strap surface extends in the transverse direction to be adjacent the sidewall portion such that the at least one strap surface is visible from a side of the container.

Abstract: A luggage apparatus includes a front shell and a rear shell which are connected by a zipper closure and a hinge. A cup bolder includes a body portion which projects into the interior of the front shell. The cup holder includes a rim which rests on the outer surface of the front shell. The rear shell includes a telescoping handle and lower surfaces of the front and rear shells each have caster-type wheels. The front shell includes a fabric liner which prevents damage to items stored in the apparatus in the event that there is an accidental spill from the cup holder.

Abstract: A portable nested cook-set includes a cook pot having a pot sidewall with a retention projection and defining an upwardly opening pot interior chamber, a press-pot piston having a piston sidewall and a lower end portion defining an upwardly opening piston interior chamber, and a storage container having an exterior portion and a selectively sealable interior storage chamber. The piston sidewall has a sidewall opening and a retention notch positioned to removably receive the retention projection therein. The press-pot piston sidewall is dimensioned to be selectively storable at least partially within the cook pot. The storage container having an exterior portion with a lower portion dimensioned to be selectively storable at least partially within the piston interior chamber. The storage container and the press-pot piston being releasably threaded together.

Abstract: A sample support (100, 101, 102, . . . ), in particular for cryopreservation of biological samples, is described and includes: a holder part (10) with a sample receiving chamber (11), a retaining device (12, 13) on which a sample can be disposed, and support connecting elements (14, 15) which are directed at opposite holder part ends (16, 17) and are formed to fit together so that a plurality of holder parts (16) can be put together. A sample store (200), which includes an assemblage of a large number of such sample supports, and a method for the cryopreservation of biological samples, are also described.

Abstract: Base includes an outer support wall, a support surface extending inwardly from the outer support wall and defining a reference plane, an inner support wall extending upwardly from the support surface, a first radiused portion extending radially inward from the inner support wall and concave relative to the reference plane, a second radiused portion extending radially inward from the first radiused portion and convex relative to the reference plane, an intermediate surface extending radially inward from the second radiused portion and substantially parallel to the reference plane, a third radiused portion extending radially inward from the intermediate surface and convex relative to the reference plane, and a central portion disposed proximate the third radiused portion.

Abstract: The invention includes a scalable, modular interlocking container with a multi-purpose use. Vertical and horizontal interconnectivity are achieved through interlocking mechanisms. An exemplary first use is for transporting and/or storing liquids or solids that can be poured. An exemplary second use is for a sturdy, low cost, easily assembled building block material of a standardized nature. Each modular unit slide-locks with other units to form strong wall and building structures that can be filled with natural earth, sand or other such materials, thereby forming a sturdy structure without the use of mortar, and can adapt to uneven base surfaces typically found in natural terrain.

Abstract: Plastic container, particularly for storing liquid under pressure, comprising an integrally formed body with a bottom, an upright substantially cylindrical side wall and an upper side with a neck having a bottom end and an open top end in which a closing element of the container can be mounted, wherein the upper side of the container, around the neck, is formed with at least one shoulder and at least one valley which runs downward in radial direction from the neck in the direction of the upright side wall; wherein each shoulder protrudes upward relative to the at least one valley; which at least one shoulder and at least one valley are formed integrally with the body of the container.

Abstract: A stackable container system may comprise a beverage container, a beverage container lid, a plurality of smaller containers, and a plurality of smaller container lids. The smaller containers and smaller container lids are configured to allow any of the smaller container lids to be used on any of the smaller containers. The bottom of the beverage container and the bottom of each smaller container is also configured to allow the beverage container or smaller container to be interlocked with the top of any of the smaller container lids. In addition to storing beverage ingredients, the stackable container system can also be used to store other edible and inedible ingredients.

Abstract: Mating engagement surfaces on the bottom panel and lid on each of two or more containers permit the containers to be helically stacked on an axis. As stacked, a front face of one container is displaced from front faces of adjacent ones of the containers by a predetermined angle preselected to be more than zero but less than ninety degrees.

Abstract: A cup assembly configured to be coupled to a second cup assembly is provided. The cup assembly includes a container having an open top, a closed bottom base, and a sidewall extending between the open top and the base. The open top, the base, and the sidewall define a cavity of the container. The cup assembly further includes a lid configured to removably couple to the container. The lid includes a lower portion configured to be received within the cavity of the container to couple the lid to the container.

Abstract: The present invention relates to a bottle which is formed of a synthetic resin material into a cylindrical shape with a bottom. A bottom wall portion of a bottom of the bottle includes: a ground contact portion; a rising peripheral wall portion; a ring-shaped movable wall portion; and a depressed peripheral wall portion. The movable wall portion is rotatably disposed about a connecting part with the rising peripheral wall portion so as to move the depressed peripheral wall portion upward, and a concave and convex portion is formed over an entire circumference of the rising peripheral wall portion.

Abstract: Certain embodiments are directed to an interlocking container having a top that is complementary with the bottom and incorporating a locking mechanism to reversibly interlock two containers.

Abstract: The invention relates to a housing base suitable for containing a cosmetic product and comprises a compartment, a part, a first hollow element, a second protruding element, a third hollow element and a fourth protruding element. The compartment comprises a bottom and a lateral wall. The part for containing a cosmetic product is embedded in the compartment and comprises a bottom and a lateral wall. The first hollow element is fitted with a second protruding element and the hollow element is fitted with a fourth protruding element. One of the first or second elements is fitted into the lateral wall of the compartment and the other is fitted into the lateral wall of the part. One of the third or fourth elements is fitted into the bottom of the compartment and the other being fitted into the bottom of the part.

Abstract: The present invention is a kit, comprising of numerous pre-fabricated stacking jars screwed together into a single unit, for the compact and organized transport of herbs, spices and other condiments in both as-sold and consumer-chosen numbers and combinations, making new use of pre-fabricated containers that are already available on the consumer market but that are made for and until now used only for the storage and transport of cosmetics.

Abstract: The present disclosure is drawn to a multi-component container system and related methods for storing and mixing liquids and associated methods of use. The system includes a first chamber configured to hold a first liquid and which has at least one opening and a second chamber and a second chamber configured to hold a second liquid and having at least one opening. The at least one opening on the second chamber is capable of being operably connected to the at least one opening of the first chamber and the second chamber can be smaller relative to the first chamber. The system can have two configurations, a first configuration and a second configuration. In the first configuration the second chamber can be removably disposed within the first chamber.

Abstract: The invention relates to a modular receptacle formed by a plurality of axially-nestable necked containers. The neck of the containers includes a flange which cooperates with a recessed tubular chamber provided in the base of the containers. The flange is housed in the chamber, such that it is free to move radially, but bears axially against a shoulder in one direction. Bosses are provided on a flared section that extends from the neck and said bosses are received in cavities located in a flared pocket that extends from the above-mentioned chamber. The bosses and cavities form members that provide axial and radial stabilization for the nesting arrangement formed when the flange bears against the shoulder and they include inclined lateral-pressure-bearing ramps used to separate two assembled containers.

Abstract: An environmentally friendly building system (20) for promoting long term carbon capture and sequestration of roofing and siding by utilizing recycled/upcycled, collapsed, preformed, and post consumer plastic material (32). The system includes a plurality of tiles (22). The plurality of tiles (22) interlock with each other to form overlapping courses of laterally staggered roofing or siding (24). Each tile (22) includes a bottle (28) and a cap connector (30). The cap connector (30) of each tile (22) caps off the bottle (28) of an associated tile, and hooks into the bottle laying on top thereof so as to hold the overlapping courses of the laterally staggered roofing or siding in place (24). The bottle (28) of each tile (22) is made from recycled/upcycled, collapsed, preformed, and post consumer plastic material (32) for promoting the long term carbon capture and sequestration of the laterally staggered roofing or siding so as to be environmentally friendly.

Abstract: A bottle or container having a shape, design or configuration that allows the bottle or container to be efficiently stacked or nestled with an identically shaped bottle rotated 180 degrees. Bundles and packages containing one or more nestled pairs of bottles according to the invention. Methods of making and using the same.

Abstract: Plastic container (100), particularly for storing liquid under pressure, comprising an integrally formed body with a bottom (101), an upright substantially cylindrical side wall (102) and an upper side (103) with a neck (104) having a bottom end and an open top end (115) in which a closing element of the container can be mounted, wherein the upper side of the container, around the neck, is formed with at least one shoulder (105) and at least one valley (106) which runs downward in radial direction from the neck in the direction of the upright side wall; wherein each shoulder (105) protrudes upward relative to the at least one valley (106); which at least one shoulder and at least one valley are formed integrally with the body of the container.

Abstract: A container that is re-useable and may be disassembled for cleaning and reassembled and resealed for use as a beverage or foodstuffs container. The container assembly for storing foodstuffs or liquids includes an annular upper body with a first end adapted to receive a cap, and a second open end which connects with an annular lower body including a first open attachment end and a second closed bottom of container end and a seal which is compressed when securing the upper and lower bodies together.

Abstract: A container includes a body including a primary support surface, a sidewall including at least one secondary support surface at an angle to the primary support surface and to a longitudinal axis of the container, and a finish extending from the body coaxially with the longitudinal axis. The container may be tilted from the primary support surface to the secondary support surface to facilitate access to product carried in the container.

Abstract: A container structure is provided for detachable coupling of at least two containers. The detachable coupling structure of a first container includes a top portion with an upstanding perimeter having radial protrusions extending from a surface of the upstanding perimeter, and a container bottom portion having a complementary structure to engage the radial protrusions of the top portion of a second container for the purpose of detachably coupling two or more containers end to end. In one embodiment, two containers placed end to end with their respective structures aligned to be engaged are rotated in opposite directions to fully engage the protrusions of one container with the complementary structure of the other. A rim around the top portion of a container in a second embodiment has a larger diameter than the top portion. The rim may be pushed through a flexible opening into a recess in the bottom of another container.

Abstract: An interconnecting container system is described. Each container has a rounded rectangular parallelepiped body with four symmetrical sidewalls, a rounded square base and a rounded square top. An elongated sidewall slot is provided on each sidewall, the slot has a surrounding lip thereby creating an internal edge recess. The sidewall slot has an open end and an adjoining closed end. The adjoining closed end is centrally disposed along a transversal axis of the rectangular sidewall. A similarly constructed elongated base slot is provided on the base. The adjoining closed end of the base slot is centrally disposed on the square base. A neck is centrally provided on the top and extends from the top, it has a surrounding rim and an opening thereon. The rim of the neck and the internal recess of the base slot and the sidewall slot are dimensioned and shaped for sliding and interconnecting engagement.

Abstract: A container structure is provided for detachable coupling of at least two containers. The detachable coupling structure of a first container includes a top portion with an upstanding perimeter having radial protrusions extending from a surface of the upstanding perimeter, and a container bottom portion having a complementary structure to engage the radial protrusions of the top portion of a second container for the purpose of detachably coupling two or more containers end to end. In one embodiment, two containers placed end to end with their respective structures aligned to be engaged are rotated in opposite directions to fully engage the protrusions of one container with the complementary structure of the other. A rim around the top portion of a container in a second embodiment has a larger diameter than the top portion. The rim may be pushed through a flexible opening into a recess in the bottom of another container.

Abstract: There is provided a drinks bottle comprising an outer bottle defining a first chamber; receivable wholly or partly within said outer bottle, an inner bottle defining a second chamber; and receivable by said outer bottle, a lid defining a first dispensing outlet and a second dispensing outlet, wherein in a lidded configuration said first dispensing outlet is in fluid communication only with said first chamber and said second dispensing outlet is in fluid communication only with said second chamber.

Abstract: Stackable containers that, in various embodiments, are adapted to be vertically and/or horizontally interlocked with other, like, containers to, for example, increase the stability of stacks of the containers. In one embodiment, a stackable container comprises: (A) a top surface comprising a shoulder portion that extends upwardly from the top surface and that is substantially disposed within a perimeter defined by the top surface; (B) a bottom surface defining a stacking recess; (C) a plurality of substantially vertical side surfaces that extend between the top surface and the bottom surface. In various embodiments, a recessed portion of the bottom surface adjacent the stacking recess is adapted to substantially mate with at least a portion of a shoulder portion of a like container.

Abstract: A package system which combines an article and a container in an integrated package with the article secured in nested relationship within a recess of the container. The recess has sufficient depth such that portions of the side walls of the container extend outwardly effectively beyond an exposed surface of the article so as to protect the article against damage. Alternatively, the package system includes a pair of spaced columns which are integrally formed with the side wall of the container and which extend outwardly from the side wall. A recess is formed between the column members which is configured to receive an article in nested relationship within the recess. Methods for securing the article in nested relationship within the recess of the container are also disclosed.

Abstract: Embodiments of the present invention generally relate to nested beverage containers and methods thereof. More specifically, embodiments of the present invention relate to improved beverage containers having interlocking features with adjacent containers, allowing for ease of transportation and lower cost of packaging. In one embodiment, a nestable beverage container comprises a top portion comprising an opening into a voluminous body, a sealing means, and a connection means positioned beneath the sealing means, a bottom portion comprising a receiving means shaped to conform to the connection means of an adjacently nested container, and the voluminous body being defined by the top portion, the bottom portion and a side wall, wherein the opening into the voluminous body is the only means for accessing contents of the nestable beverage container.

Abstract: An interconnecting container system is described. Each container has a rounded rectangular parallelepiped body with four symmetrical sidewalls, a rounded square base and a rounded square top. An elongated sidewall slot is provided on each sidewalls, the slot has a surrounding lip thereby creating an internal edge recess. The sidewall slot has an open end and an adjoining closed end. The adjoining closed end is centrally disposed along a transversal axis of the rectangular sidewall. A similarly constructed elongated base slot is provided on the base. The adjoining closed end of the base slot is centrally disposed on the square base. A neck is centrally provided on the top and extends from the top, it has a surrounding rim and an opening thereon. The rim of the neck and the internal recess of the base slot and the sidewall slot are dimensioned and shaped for sliding and interconnecting engagement.

Abstract: A glass pear shape candle jar that has inter-locking top and bottom candle pieces that collectively it forms a 4-in-1 candle set. This multi-purpose inter-locking candle jar set, has four difference types of candles. This inter-locking candle jar set is a 4-in-1 set comprising of: The use of a main full size candle jar, an upright flat dome top candle, a dinner candle holder within the flat dome and a tea light candle base and holder.

Abstract: The present disclosure is directed at a stackable container including a body with an upper section having a plurality of upper wall panels, a lower section having a plurality of lower wall panels, a middle section positioned between the upper and lower section having a plurality of middle wall panels and a bottom surface connected to the lower section. A container neck is connected to the upper section of the body. The container also includes a cap removably engaged with the neck. To provide stability when the containers are stacked in diagonal orientation, the bottom section includes a recess and the recess and the cap are configured such that there is interconnection between the cap of one container and the recess of a diagonally adjacent container.

Abstract: A dual chambered baby bottle has a threaded nipple top; a plastic cover for the threaded nipple top; an upper chamber in fluid communication with the interior of the nipple top; a lower chamber; an upper seal forming a lower portion of the upper chamber; a lower seal adjacent the upper seal, the lower seal forming an upper portion of the lower chamber; a plurality of upper seal apertures in the upper seal; and a plurality of lower seal apertures in the lower seal, the upper seal apertures and the lower seal apertures rotatable between an open position with the upper and lower seal apertures aligned and a closed position with the upper and lower seal apertures nonaligned.