Abstract: The two-sided plastic stopper has a lower portion (1) that can be secured to the neck of a container (14, 15) and a measuring cup (2) which can be reversed and set on the lower portion so as to form a seal, this serving as a cap. A tubular spout (11) is surrounded by a concentric annular wall (12). In this way a trough (18) is formed together with the connecting wall (13) between the spout (11) and the annular wall (12), this trough having a drain (19) that leads back to the container. Within the base of the measuring cup (21) there is a centrally arranged annular wall (23) in the form of a sealing plug. This sealing plug (23) and the tubular spout (11) fit together in a form fit so as to seal each other and have connecting means that act together, preferably threads (17, 24, respectively).

Abstract: A specimen receptacle assembly for clinical analyzer apparatus, such as an apparatus utilized in the testing of biological samples, as for instance, serum or other body fluid samples, to aid in the determination of, for instance, infectious diseases, metabolic state, or the like. The receptacle assembly comprises a cap formed as an arcuate segment having a plurality of generally vertically extending openings spaced lengthwise therealong, and a plurality of separate specimen cups, which are adapted to receive the specimen samples therein, together with means on the cap and on the cups for releasably attaching the cups to the cap as an assembly, whereby each of the openings in the cap provides access to the interior of a respective one of the cups from exteriorly of the cap.

Abstract: Pourer and stopper cap assembly comprising a guarantee strip (23) produced in a single piece with the pourer (1). The guarantee strip (23) extends from the pourer (1) over the entire height of the cap (2) and, at its free upper end, has a turned-in portion (29) which covers the outer upper edge of the cap (2).The invention is used for the packaging of liquids, especially for long-term storage.

Abstract: A removable thermoplastic cap for a beer keg bushing comprising a flat disc with integral peripheral skirt which includes inturned upwardly directed gripping lugs preventing removal of the cap when once fitted to a beer keg bushing, vertical slots spaced around the skirt and extending partway across the disc to provide venting for the interior of the bushing, and a pull tab provided on one side of the disc and connected by weakened lines to the opposite side thereof to facilitate peeling off of the cap by tearing apart the skirt.

Abstract: A novel closure and container assembly is disclosed which provides for the definite and positive positioning of the closure on the container in a predetermined semi-open positionment. The container is provided with a rim portion which extends within a plane perpendicular to the axis of the cylindrical neck portion of the container and has a tapered surface lying within a cone concentric with such axis, whereas the closure is also provided with a tapered surface lying within a surface of a cone concentric with such axis so that upon the threading of the closure onto the container the surfaces engage each other within the surface of a cone lying concentric to the axis of the cylindrical neck portion and create a binding action which positions the closure in its predetermined semi-open positionment on the container. A further twisting of the closure allows the closure to sealably engage the container.

Abstract: A method for feeding fuel in a fuel system is disclosed in its most preferred form utilizing a device including a valve stem which is reciprocally received through a bore in a foam rubber ball. The valve stem includes a plate which may be pulled against the ball to seal the valve stem in the bore. The ball is of solid cross section and has a size for overfitting and abutting with the fill opening of a fuel tank. The ball is deformable to conform to the perimeter of the fill opening for sealingly engaging the perimeter of the fill opening and has a firmness for transmitting a force applied to the ball in the direction of the fill opening into a sealing force applied by the ball to the fill opening to balance opposing forces created by the introduction of air pressure into the fuel tank through the valve stem and for allowing an excessive air pressure to escape from the fill opening around the ball.

Abstract: Outlet port structure for bottles or semi-fluid packing materials. A filling cup is fitted inside the outlet port of the packing bottle. The filling cup has concave, indented grooves in its exterior and which have openings at their upper ends into the filling cup. When the bottle is inverted bottom up, the semi-fluid material from the bottle first enters the filling cup from the passages around the periphery of the filling cup, passes through the grooves and their openings into the filling cup, and then exits the bottle outlet port. When the bottle is returned to the normal vertical standing position, some semi-fluid material is retained in the filling cup and is prevented from returning to the bottle.

Abstract: A threaded thermoplastic closure suitable for fitment to a threaded container neck is disclosed. The closure is provided with one or more vent grooves cut through the primary threads in the inner wall of the closure skirt. The ends of each thread segment are rounded and a smaller reinforcing secondary thread within the groove extends across the groove connecting the thread segments. The lower edge portion of the secondary thread is aligned with the lower edge portion of the adjacent segments of the primary thread to maximize the venting space over the secondary thread.

Abstract: A dispensing device for a squeeze bottle has an internal continuously circular vent valve seat. A continuously circular elastic vent valve has one side seating on the seat and an opposite side exposed to the inside of the device. The device has a self-closing dispensing valve which opens upon squeezing the bottle. The device has a lock to prevent unintentional opening of the dispensing valve.

Abstract: A male core designed to be mateable with a female mold for forming vent slots in a thermoplastic closure. The male core comprises a cylindrical member having an end surface which forms an underside top surface and an inside surface of a downwardly depending skirt on the closure. A helical groove is formed about the periphery of the cylindrical member which forms a thread on the inside surface of the skirt. At least one integral rib is formed in the cylindrical member which is arranged parallel to the longitudinal axis of the closure. The rib forms a vent slot in the closure which traverses the thread. Convoluted surfaces are formed on the cylindrical member which extend from each side surface of the rib to the bottom of adjacent helical grooves. The convoluted surfaces provide smooth radii on the ends of the threads adjacent to the vent slot which facilitate axial stripping of the closure from the male core without deforming the threads into the vent slot.

Abstract: A package (10) includes a polyethylene terephthalate (PET) container (12) having a necked opening (14). A PET insert (18) is fixedly attached to an inside surface (30) of the necked opening (14) by a plurality of tack welds (34). The tack welds (34) are formed within recesses (44) that extend completely through the wall of the necked opening (14) and into the insert (18). The insert (18) makes a substantially line contact (32) with the inside surface (30) of the necked opening (14). The substantially line contact (32) extends continuously around the inside surface (30) of the necked opening (14) to form a fluid tight seal between the inside surface (30) of the necked opening (14) and the insert (18). To make the package (10), the insert (18) is driven into the necked opening (14).

Abstract: The invention relates to an insulating jug having a casing in which a recess to receive a lid is arranged at the top and a filling opening is provided at the bottom of the recess that is closable by a closure member of the lid, with a spout projecting laterally from the recess and a sealing ring arranged between facing peripheral surfaces of the recess. The object of the invention is to form the insulating jug in such a way that continous sealing of the lid in the recess is ensured, with ease of operation. This is achieved by forming the sealing ring from a lip seal having a sealing lip directed inwardly of the jug and in that the peripheral surface cooperating with the sealing lip is cylindrical in the operating region of the sealing lip.

Abstract: A package including a container with a threaded finish and a molded plastic closure that is sealingly applied to the finish. The closure has a skirt portion, and the skirt portion has one or more apertures in it, at a location or locations near the top of the closure. Adjacent each aperture in the skirt portion of the closure the closure has a flexible tab which is frangibly attached to the skirt portion and which extends inwardly and upwardly from the skirt portion to engage a radially projecting bead on the finish of the container, at a location above the thread on the finish of the container. Upon the first removal or attempted removal of the closure from the container, each flexible tab is broken away from the skirt portion of the closure by the flexible tab with the radially projecting bead on the closure finish, and this damage to the closure is visible through the aperture that the flexible tab is near to provide a visual indication of the possible tampering with the package or its contents.

Abstract: A closure having interrupted threads, wherein the interruptions between thread segments are vertically aligned with and are at least as long as thread segments in the overlapping portions of the turns of the thread. This permits manufacture of the closure by stripping of the closure threads from a mold to obtain a higher rate of production while minimizing the pulled-thread defects previously encountered with this production method. In addition, the invention is also utilized to provide an improved closure and package in which two hand operations by the user are required to remove the closure from a neck, thereby permitting internal pressure to be released through interrupted threads before the closure and neck threads are completely disengaged.

Abstract: A plastic roller bottle is provided for suspension cultures for bacteriology or other cell growth or maintenance. The roller bottle comprises a closed bottle defining a longitudinal axis and having flexible plastic walls. Aseptically sealable means for access into the closed body are provided as well. A plurality of spaced reinforcement rings are defined in the flexible plastic walls about the longitudinal axis, to cause the body to normally retain a predetermined, generally cylindrical shape. The flexible plastic walls, apart from the rings, are made of a plastic formulation, and are of a thickness such that the oxygen and carbon dioxide diffusion which takes place through said walls is sufficient to support desired biochemical culturing processes taking place within the roller bottle without venting.

Abstract: A package includes a container having an upper finish with inner and outer surfaces. The outer surface includes threads adjacent the top of the finish, and the inner surface includes a lower sealing section located solely in a section of the finish spaced downwardly from the upper margin of said finish. A closure for the container includes an inner valve having an outer sealing surface for frictionally engaging only the lower sealing section of the inner finish surface to provide a leak-proof seal for the package.

Abstract: A cap for covering the open end of a Barnes neck surrounding the outlet of a keg for malt beverages includes a circular, flat, resilient top; a skirt depending downwardly from the top and having an inwardly directed annular sealing bead for gripping the outside of the Barnes neck and vent means at the junction of the top and skirt. The top, annular bead and vent means cooperate to keep the cap in place when small amounts of fluid are accidentally released from the keg. The cap, in addition, to covering the outlet can bear information as to the keg contents.

Abstract: A sealing cap for a bottle or other container comprises a tubular body and a plug disposed within the through-bore of the tubular body. The plug is displaceable within the through-bore from an initial position in which it seals the through-bore, to an intermediate position in which it is a loose fit so that the container may be evacuated through the body, and then to a final position in which it seals the through-bore. The cap has particular utility for blood sampling bottles, which are evacuated and then pierced through the cap by a fine tubular needle so as to apply suction to the needle, from within the bottle, and thus draw a sample of blood through the needle and into the bottle.

Abstract: A plastic closure for use on a container having an externally threaded neck is disclosed wherein the skirt portion of the closure cap includes an internal structural thread formation. The structural thread formation comprises a helical thread ramp portion which is configured for load-bearing engagement with the thread of the associated container, and further includes means for reinforcing the thread ramp portion, in the form of a plurality of spaced-apart reinforcing gussets. The provision of the structural thread formation desirably facilitates high-speed molding of the closure, and desirably acts to reduce the quantity of plastic material required for molding the closure.

Abstract: The invention relates to an insulating jug or bottle having a housing in which a recess is arranged on the upper side which recess may be closed by means of a lid, having an opening therein, positioned in the region of the recess and which is to be closed and opened by means of a closing member carrying a sealing member, which closing member is mounted in the lid so that it may be adjusted between an opened and closed position by means of an adjusting mechanism, more particularly a worn gear or the like, having a hand grip, which mechanism acts inflexibly in the direction of the closed position, whereby movement of the hand grip is restricted in the closed position and the lid is fixed on the housing in the direction of movement of adjustment of the closing member.

Abstract: The present invention pertains to a safety closure for a sparkling wine bottle which closure comprises a specially constructed cork member having a head portion, a base portion and a stem or shank portion interposed between said head and base portions with the base portion being provided with gas pervious means to permit the passage of pressurized gas from beneath the base portion, past the shank portion and then outwardly of the opening in the neck of the bottle. The foregoing is the structure by which the pressurized gas is safely and effectively dispelled from the bottle while concomitantly providing the aural popping associated with the opening of a bottle of sparkling wine but preventing the forcible propulsion of the cork member outwardly of the bottle, due to the frictional engagement of the base portion with the neck of the bottle.

Abstract: A hand-held dispenser for a flowable product capable of gassing, comprising a container having a neck part at its top, and a dispensing cap having a body part provided with a discharge opening. The cap-body and container-neck parts are cooperable to mount the cap on the container, and are constituted to form a cooperable automatic pressure-relief valving device which, in response to increased gas pressure in the container, vents a limited quantity of gas when the container is upright. This prevents expelling or splattering of the container contents. A first annular sealing surface on one part and a cooperable annular sealing surface on the other part effect a seal when the cap is fully seated on the container, and permit escape of gas when the cap is slightly unseated. A projection on one part is engageable with a projection on the other part to provide a biasing action which returns the cap to fully-seated position after the venting.

Abstract: An improved container closure including a shell with top and side walls. The shell is disposable over an opening in a container. In the shell are a threaded portion in the side wall for engaging threads on the container and an axially expandable section. A safety section in the side wall below the expandable section provisionally secures the shell to a fixed element on the container at least until the expandable section expands.

Abstract: A reversible fragrance emitting unit adapted to rest on a table or other flat surface in either an upright position in which the rate of fragrance emission is low, or in an upside down position in which the emission rate is high, the unit having the same attractive outward appearance in either state. The unit consists of a fenestrated open-ended shell having a decorative form whose inlet and outlet ends are attached to inlet and outlet boxes of like dimensions, both having bottom walls. The inlet box has an open top, whereas the outlet box is closed by a top wall to define an internal chamber which extends through the shell between the bottom wall of the inlet box and the top wall of the outlet box.

Abstract: A pass-through closure for disposable receptacles includes a rim for mounting the walls surrounding an opening in a receptacle and a plurality of generally triangular shaped flaps extending inwardly and axially to form a closure having a generally conical configuration enabling passage of articles through the closure in one direction.

Abstract: A one-piece plastics closure for a carbonated beverage bottle has a sealing ring (17) pivotally attached at the junction between its closure panel (10) and dependant skirt (11). The sealing ring is forked, having two annular and mutually divergent fins 20,21. The upper fin (20) is engaged by the free end of the container neck as the closure is fitted, and by pivotal movement of the sealing ring brings the lower fin (21) into sealing relation with the side surface of the container finish. The resilience of the closure material and the substantial deformation to which the sealing ring is subject thereafter maintain the effectiveness of the seal despite creep and backing-off of the closure which may occur.

Abstract: The present invention relates to a container for liquid which is able to retain the liquid therein for drinking purposes at a temperature close to its original temperature for a period of time, will assure that the liquid will not spill out if the container is tipped, and facilitates easy drinking of the liquid from the container. The container further includes an interiorly recessed shelf possessing at least one gap within the shelf wall and which accommodates a sealing member or top which contains a protruding tongue which can be inserted through the gap and rotated below the shelf to fasten the sealing member in place. Then the top can function as a sealing member to retain the liquid in place and assure that the liquid will not spill if the container is accidentally tipped. The top will further serve to entirely seal the container to thereby retain the liquid therein at close to its original temperature for a period of time.

Abstract: A sterilization indicator device comprises a receptacle for containing a spore disc and a sealed ampule of culture medium. A closure is threaded onto the receptacle and cooperates with the receptacle to provide a passageway for the sterilization gases to reach the spore disc. Upon completion of the sterilization, the closure is threaded further onto the receptacle to fracture the ampule and cause the nutrient to come into contact with the spore disc. At the same time an indicator flag is moved from an initial position to a second position to indicate that the device has been activated. Also, a seal is provided between the closure and the receptacle to seal off the spore disc from exposure to ambient air during incubation of the spore strip.

Abstract: A capillary tube containing a sample is anaerobicly sealed by means of closure caps each comprising an end wall and a skirt portion. Each open end of the capillary tube is sealed by inserting the open tube end into the cap skirt portion, and in order to avoid that a volume of air is forced into the capillary tube, the space defined between the open tube end and the cap end wall is vented to the atmosphere through one or more venting passages defined in the walls of the closure cap or between the inner surface of the cap skirt portion and the adjacent outer peripheral surface of the capillary tube. The open tube end is brought into sealing engagement with sealing means on the cap end wall, and frictional engagement established between the inner surface of the cap skirt portion and adjacent outer peripheral surface parts of the capillary tube secures that said sealing engagement is maintained.

Abstract: A dirt and bacteria tight connection between a container for chemicals and the suction pipe of a metering pump is disclosed, which may in particular be used for the treatment of drinking water. In this way it is achieved that only degerminated air may enter the interior of the container when sucking metering fluid from the container.

Abstract: A bottle closure cap stampable from sheet metal as a shallow cylindrical inverted dish having a rounded juncture forming a fillet between its crown and its cylindrical wall; a layer of elastomeric material being disposed in the fillet and engageable with the axial end of the bottle when the cap is attached. A generally radially extending rip tab is integral with the cylindrical wall at the bottom edge thereof and is adapted to tear through the cylindrical wall by a generally circumferential pull of the user to gain access to the container. A rip line is provided commencing at a corner defined by the bottom edge of the cylindrical wall where it meets the rip tab. At least one groove is formed in the rip tab extending in the inner surface of the side wall. The rip line extends at a shallow angle across the cylindrical wall, without crossing the groove, continuing to a level which is spaced below the crown, continuing parallel to the crown circumferentially about half-way around the closure cap.

Abstract: A plastic closure cap particularly suited for use in situations which require a tight seal such as with carbonated beverage containers is disclosed. A pair of sealing flanges extend downwardly and outwardly from an inner surface of the top of the closure cap. These sealing flanges have a horizontal seal interference distance which increases with increased cap size to maintain an effective sealing function. Seal flange back up abutment surfaces are contacted by the free ends of the seal flanges and limit the deflection of the flanges thus causing the seal flanges to wrap around the container mouth as the cap is secured to the bottle. A load stop ring is positioned between, and separated from the seal flanges on the inner surface of the closure cap and contacts the container neck when the closure is in place. The sealing flanges include vent slots which increase the safety and convenience of the closure cap.

Abstract: A pet repellent device for use outdoors consisting of a refillable vented container is disclosed. The container, which is secured to the ground around shrubs and grass areas, is vented to allow the vapors from the liquid repellent in the container to flow into the air in the area that is desired to keep free of pets. The pets smell the repelling vapors, which are harmless, and completely avoid the area.

Abstract: A cell cultivation container with screw cover, where the zone of the mouth portion of the container adjacent the edge of the mouth has a greater diameter than the more remote zone and is constructed with at least two inwardly protruding, axially extending projections, and where the screw cover has an inner skirt with an outer annular bead which in the fully closed position of the cover is in sealing engagement with the inner wall of the narrow zone of the mouth portion of the container, while in partly unscrewed position of the cover the bead is only in contact with the inwardly protruding, axially extending projections. Hereby the cross-sectional area of the communication passages between the interior of the container and the surroundings formed by partial unscrewing of the cover will remain constant, even if the angle of turning of the screw cover varies within wide limits.

Abstract: A water cooler bottle closure made of a closure cap adapted to fit over the neck of a water cooler bottle, which closure cap has an opening formed at its bottom. A flange projects around the periphery of the opening to define an inner chamber. A base is provided to close the opening so as to enable the formation of an ice plug in the inner chamber when the latter has been filled with water and subjected to freezing conditions. A water bottle filled with such a closure, after having removed its base, can be tilted over a water cooler and during that process no spill takes place. The plug of ice then slowly melts and water runs into the cooler in the usual manner.

Abstract: A stopper for containers for use in analyses including a resilient body having a cavity closed by a perforatable transverse wall provided with slits defining segments. The slits allow for the opening of the stopper when a tubular member is inserted in the cavity and closing the stopper when the segments return to the initial position thereof. The cavity is provided with a plurality of longitudinal ribs adapted for defining passages for air between the body and the tubular member. The stopper may slide within the container.

Abstract: A hemispherically shaped cover is provided for a beverage cup and includes a top opening smaller than the normal opening of the cup itself. Beverage can be received through this top opening to fill the cup, the cover itself inhibiting spilling of the beverage over the upper rim of the cup. The same top opening is also used to receive a straw and permit a person to drink the beverage without having to remove the cover.

Abstract: A locking closure for disposable containers includes an annular wall structure defining a container opening and including a radially outwardly extending annular locking ridge with a closure defined by a generally flat circular disc having an axially extending peripheral skirt with an inwardly extending annular locking ridge for forceably extending over and lockingly engaging the outwardly extending annular locking ridge.

Abstract: A stopper for a vial has a top portion and legs extending therefrom. The free or distal end of the legs have cut outs on each of the circumferential sides. The cut outs can be either straight or curved and are of such a size that the stopper can be securely held when partially fitted in a vial. The cut outs prevent the stoppers from becoming entangled during pre-treatment.

Abstract: A water cooler bottle closure made of a closure cap adapted to fit over the neck of a water cooler bottle, which closure cap has an opening formed at its bottom. A flange projects around the periphery of the opening to define an inner chamber. A base is provided to close the inner chamber so as to enable the formation of an ice plug in the inner chamber when the latter has been filled with water and subjected to freezing conditions. A water bottle fitted with such a closure, after having removed its base, can be tilted over a water cooler and during that process no spill takes place. The plug of ice then slowly melts and water runs into the cooler in the usual manner. The base can be mounted at the bottom or at the top of the inner chamber during the formation of the ice plug. The base can also be used without the formation of an ice plug and in such a case it is merely necessary to unsnap the base such as by pulling on a piece of string attached to the base.

Abstract: A carbonated beverage package comprising a container having an opening with a peripheral lip defining a free edge, and a downwardly and outwardly inclined sealing surface spaced from the free edge of the peripheral lip. A closure of plastic material, such that it will flex in thin cross section, is provided with an annular wall, a radial wall engaging the free edge of the peripheral lip of the container, and a transverse wall defining a convex surface facing inwardly of the container. The closure has a downwardly and outwardly inclined integral annular sealing surface at the juncture of the axial wall and transverse wall which engages the sealing surface of said container and places the axial wall under tension.

Abstract: A crown closure and container comprising a glass container having a crown finish without threads, a closure comprising a rigid plastic outer shell and an inner cup-shaped liner. The outer shell comprises a top panel and a peripheral skirt. The liner is made of soft resilient plastic material and comprises a top wall and a peripheral wall. Interengaging cam surfaces are provided between the inner surface of the skirt of the shell and the outer surface of the peripheral wall of the liner such that when the closure is applied to the crown finish by an axial motion of the closure relative to the container, the liner if forced into the shell and the upper portion of the liner engages the crown finish of the container. The peripheral skirt of the outer shell is formed with threads so that the upper portion of the liner is forced into the threads and will allow for sufficient interference with the liner and finish to permit removal of the closure by rotation of the shell in relation to the liner.

Abstract: A preservation device for wine remaining in containers from which a substantial portion of the contents has been dispensed. The preservation device includes a dispensing nozzle which is mountable in the container pouring opening and which is adjustable therein to juxtapose the dispensing end of the nozzle in contiguity to the surface of the remaining wine. Cooperative with the dispensing nozzle is a mount which maintains the dispensing nozzle in the pouring opening during the dispensing of a pressurized gas through the dispensing nozzle. The gas is maintained in a cylinder or capsule which is connected by connecting means to the nozzle and the mount for the nozzle includes fluid passage means permitting the bypassing of excess gas from the container during the dispensing of the gas from the dispensing end of the nozzle.

Abstract: In a combination of a screw-threaded metal closure cap with a container having an externally screw-threaded neck, of the type in which the closure thread is formed by a thread rolling operation in a blank in situ on the container, one or more interruptions are made in the closure thread to provide a pressure leakage path, through which gas can blow off in the interval between unsealing the container and the release of the closure from the container thread.Complementary notches may be formed in the container thread.The interruptions in the closure thread are conveniently provided by forming the thread by means of a thread roller having one or more notches in its periphery.

Abstract: A tortuous passage cover for flexible liquid container comprises an upper cover body having an outlet in the central area, and an upper joint ring and a lower joint ring integrally formed thereto; and a lower cover body having a cylindrical protrusion and a plurality of projecting rings and outlet openings formed thereto closely linked to the bottom portion of the upper cover body in defining a tortuous passage channel therein and communicating with the outlet of the upper cover body and the outlet openings of the lower cover body. Therefore, by means of the tortuous resistance offered by the tortuous passage channel, the liquor contained in the container furnished with this cover will not flow out when the container is accidently tipped over.

Abstract: A bottle with a two position cap for sealing and venting the bottle. The bottle has an opening defined by a neck and the neck has external helix threads. The threads are divided into two threaded segments separated by two diametrically opposed unthreaded regions. Each of these threaded segments lies between large ribs on the neck and the bottle opening. The large ribs extend half way around the external surface of the neck. Indexing ribs extend axially on the neck. The bottle cap has internal helix threads that also are divided into two threaded segments separated by two diametrically opposed unthreaded regions as on the neck of the bottle. A pair of spherical detents on the cap lie between each threaded segment and the open end of the cap such that each pair of detents may snap over one of the large ribs on the neck with a detent on each side of an indexing rib to loosely hold the cap on the bottle and indicate that the cap is in a venting position.

Abstract: This invention provides for a quick-disconnect coupling and valve assembly which consists of a single-service coupling and valve assembly and a connector for cooperating therewith. The single-service coupling and valve assembly is comprised of two main parts, namely, a spout fitment for a flexible bag and a valve member which slidably fits within the spout for axial movement. The valve member is provided with an outwardly-opening socket for receiving the connector and this socket has at least one dispensing outlet in the base thereof. In use, the valve member is normally in closed position with the outlet disposed within the spout axially-outwardly of an inner seal between the spout and valve member. A one-way stop arrangement permits axial inward movement of the valve member relative to the spout but prevents axial outward movement, the inward movement opening the valve by moving the outlet inwardly beyond the spout.

Abstract: A plastic closure or cap of the tamper indicating type for sealing a container has collar means that frictionally grasp the rim of the container and an outer collar part which has a latch cooperating with a catch on the rim. The cap has a pull tab which facilitates tearing the collar part from the rim to separate the latch from the catch. The cap also has a material receiving opening having an irremovable closure plug. The plug may be carried by a tongue attached to the cap or it may be independent of the cap. The material receiving opening may have a lower end portion closed by a wall that may be penetrated by a hollow needle to fill the container.

Abstract: A bottle closure cap stampable from sheet metal as a shallow cylindrical inverted dish having a rounded juncture forming a fillet between its crown and its cylindrical wall; a layer of elastomeric material being disposed in the fillet and engageable with the axial end of the bottle when the cap is attached. A generally radially extending rip tab is integral with the cylindrical wall at the bottom edge thereof and is adapted to tear through the cylindrical wall by a generally circumferential pull of the user to gain access to the container. A rip line is provided commencing at a corner defined by the bottom edge of the cylindrical wall where it meets the rip tab. The rip line extends at a shallow angle across the cylindrical wall to a level which is spaced below the crown, continuing parallel to the crown circumferentially about half-way around the closure cap.

Abstract: Pressure relief openings are provided in roll-on (twist-off) closures for beverage bottles to release gas pressure within the closure promptly as the closure is turned to remove it and before missiling of the closure can occur.