Abstract: A fastener device for fastening a dispenser member on a neck of a reservoir, the device including a fastener ring. The fastener ring having reception mechanism for receiving, in stationary manner, the dispenser member; an annular plate for exerting axial pressure on the neck; and a fastener skirt that extends downwards from the plate, the skirt including a fastener mechanism for fastening around the neck. The ring is made of two different plastics materials, a substantially-hard first material and a flexible second material that is more flexible than the first material. The device also includes a hoop that, in the final assembled position, extends around the skirt of the ring with radial clamping. The flexible second material comes into contact with the hoop.

Abstract: A single-use, clamshell protective cap for use primarily in healthcare settings in order to maintain the integrity of a medication solution. The cap has two halves, a cylindrical skirt, a puncture resistant lid portion, an interior flange, and an interlocking snap. When placed around a flanged injection port such as is found on a conventional fluid container and closed, the lid portion covers an access site on an injection port. After the cap is placed, the interior flange engages the port flange to prevent upward axial movement relative to the port, thereby preventing removal of the cap and thus deterring unwanted or erroneous drug administrations or withdrawals.

Abstract: A fluid dispenser member for mounting on an opening (90) of a fluid reservoir (9), said member comprising: a body (1) inwardly defining a chamber (15) of variable volume, said body defining a bottom end (10); an actuator rod (7) that can be reciprocated axially in said body, and comprising a top portion defining a top end (79); a peripheral bearing collar (52) extending radially outwards, and including a bottom face (51) designed to come into abutment, at least indirectly, against an edge (911) of the opening (90) of the fluid reservoir; and a neck gasket (2) disposed in contact with the bottom face (51) of the collar so as to be compressed between the collar (52) and the edge (911) of the opening, the axial height HS1 axially separating the bottom face of the collar from the top end of the actuator rod being substantially equal to the axial height HI1 axially separating the bottom face of the collar from the bottom end of the body.

Abstract: A dispensing assembly has a ferrule and collar for maintaining a coupling of a dispensing module to a receptacle neck. The ferrule has an annular plastic skirt open on one end, and plastic nibs extending radially inwardly from the skirt inner surface. The skirt outer surface is a regular polygon with flat surfaces between corners. The collar has a Nomar edge defining an annular recess adjacent the open end with an annular face facing the collar other end. At least the corners of the skirt open end extend radially outwardly into the annular recess of the collar inner surface when the dispensing assembly is secured to the receptacle to retain the collar on the ferrule while the dispensing assembly is secured to the receptacle by the ferrule nibs beneath the flange of the receptacle neck. Installation involves pushing the collar and ferrule onto the receptacle neck with the collar in a raised position on the ferrule, and then pushing the collar down relative to the ferrule.

Abstract: A loosening prevention device (1) for a plug includes: a first sleeve (11) engaged with and surrounding a first plug (70) attached to a lid of a liquid tank (60); a second sleeve (21) engaged with and surrounding a second plug (80) attached to the lid; and a connection means (24) for connecting and fixing the first sleeve and the second sleeve with each other. At least one flat surface (75, 85) is formed on an outer circumferential surface (74, 84) of both or either one of the first plug and the second plug, and at least one flat surface (12, 22) in surface contact with the flat surface of both or either one of the first plug and the second plug is formed on an inner circumferential surface of both or either one of the first sleeve and the second sleeve. With this arrangement, a plug for supplying pressurized-gas and a plug for discharging liquid can be firmly held.

Abstract: A container cap locking a plug member to a mouth by a locking member and capable of being removed from the mouth together with the plug member by repositioning a holder member. The locking member is covered on the container mouth so as to hold the plug and the holder member is fitted to the outer peripheral sides of a plurality of locking pieces of the locking member. In each locking piece, an upper side part is connected to a lower side part through a thin-walled bending part. The upper side part is locked to the rubber plug from the lower side with the holder member on the outer peripheral side thereof. The lower side part is locked to the container mouth from the lower side by the holder member. Locking projected parts prevent the lower end of the holder member from coming out of the upper side part.

Abstract: The present invention relates to a closure and a container having the same, wherein the closure can be opened or closed through up/down operation to hermetically keep contents at a pressure equal to, above or below the atmospheric pressure.

Abstract: A dispensing assembly has a ferrule and collar for maintaining a coupling of a dispensing module to a receptacle neck. The ferrule has an annular plastic skirt open on one end, and plastic nibs extending radially inwardly from the skirt inner surface. The skirt outer surface is a regular polygon with flat surfaces between corners. The collar has a Nomar edge defining an annular recess adjacent the open end with an annular face facing the collar other end. At least the corners of the skirt open end extend radially outwardly into the annular recess of the collar inner surface when the dispensing assembly is secured to the receptacle to retain the collar on the ferrule while the dispensing assembly is secured to the receptacle by the ferrule nibs beneath the flange of the receptacle neck. Installation involves pushing the collar and ferrule onto the receptacle neck with the collar in a raised position on the ferrule, and then pushing the collar down relative to the ferrule.

Abstract: A plastic screw cap includes two cap halves, which are produced as plastic injection-molded parts and have an internally threaded segment and an inwardly directed ring shoulder segment. The two halves of the screw cap can be pushed together, for example, on the inlet connection of the valve body of a flap valve by tongue-and-groove joints. One cap half has two hook-like ends, each of which is provided with an inwardly sloped clamping sidepiece and a groove for receiving the tongues formed on the two ends of the other half of the screw cap.

Abstract: A neck ring for a glass container forming machine includes two neck ring sections each consisting essentially of a neck ring body and an insert on the body. The inserts have opposed surfaces for forming closure attachment features on a container neck finish molded in the neck ring. Each neck ring body is of die-formed powder metal construction and is set around the associated insert. The inserts preferably form the entire glass-contacting portion of the neck ring. The neck ring bodies preferably are of sintered bronze or steel construction, and the inserts preferably are of nickel, bronze or steel construction. The body and insert preferably are sintered together for a metallurgical bond.

Abstract: A purge gas introduction system for an orbital tube welding setup is provided, configured to inject high purity inert purge gas to the interior volume of a tube or tubular component. An o-ring is interposed between an annular base and an annular ring, their junction forming an annular o-ring groove, each part forming one sidewall, with the o-ring fully recessed within the groove, protecting the o-ring during the insertion and removal of a tube. The annular base and an annular ring are configured to receive a tube terminus. The sidewalls of the o-ring groove are divergent one to the other, wherein as the annular ring is drawn towards the annular base, the o-ring is forced partially out of the groove, forming a substantially leak tight seal between the tube and the o-ring. A purge gas from an external source is transmitted to the annular base through a purge connector, then, in turn, introduced to the interior volume of the tube.

Abstract: A fastener member (1) for fastening a dispenser member (4) on a fluid reservoir, the fastener member (1) having a fastener ring (2) and a covering hoop (3). The fastener ring (2) includes a reception device that receives the dispenser member (4), and a fastener device that fastens on the reservoir, the covering hoop (3) being mounted by axial engagement around the ring (2) in such a manner as to mask it at least in part. The hoop (3) includes a hook co-operating with a retention device (225) formed by the ring (2), the hook (35) prevents the hoop (3) from rotating around the ring (2) and preventing the hoop (3) from moving in axial translation. The retention device formed by the ring (2) includes a retention housing (225) that co-operates with the hook. The hook includes at least one barb profile (352) adapted to bite into the housing.

Abstract: A fastener assembly (1, 2) for fastening a fluid dispenser member (3), such as a pump or a valve, designed to be associated with a neck (51) of a receptacle (5), said assembly comprising: a fastener ring (1) provided with securing means (10) for securing the ring to the receptacle neck, and fastener means (11) for fastening the dispenser member (3); and a trim band (2) mounted around the ring (1) in a manner such as to mask said ring at least in part; said fastener assembly being characterized in that said band is made of at least two distinct materials, said two materials comprising a metal material (20) and a plastics material (21).

Abstract: A bottle container made of resin includes a cylindrical barrel with a bottom and a cylindrical neck portion with a diameter smaller than that of the barrel. The bottle container also includes an upper part and a lower part divided into two parts by dividing at an upper end or a lower end of the barrel, and under the condition that the upper part and the lower part are connected with each other. The two parts are integrated by a cover member for liquid-tightly covering connecting surfaces of the two parts to shield the connecting surfaces from outside and to integrate the two parts with each other.

Abstract: A closure having child-resistant and non-child-resistant modes of operation includes a plastic inner shell having a skirt with at least one internal thread, an external bead on the skirt and a circumferential array of teeth on the bead. A plastic outer shell has a skirt externally encircling the skirt of the inner shell. The outer shell has an internal bead on its skirt, a circumferential array of first teeth on one side of the internal bead, a circumferential array of second teeth on the other side of the internal bead, and at least one third engagement element adjacent to an edge of the skirt. The inner shell is positionable within the outer shell in child-resistant and non-child-resistant positions, in which the teeth on the inner skirt engage the first or second teeth on the outer shell.

Abstract: A vial closure device, a sample vial incorporating such a vial closure device, and certain methods of using such a vial and closure device. The vial and closure device are intended to contain a gaseous sample or a headspace gas present above a liquid or solid material, so that the gaseous sample or headspace gas can be conveniently analyzed, typically by means of an autosampler connected to an analytical instrument such as a mass spectrometer. Mass spectrometric methods of determining the isotopic concentration of hydrogen and oxygen comprised in aqueous samples contained in vials fitted with such closure devices are disclosed. The vial closure device comprises a hollow body member locatable in the mouth of a vial, and a first seal for making a substantially gas-tight seal between the exterior of said hollow body member and said vial.

Abstract: A dispensing assembly has a ferrule and collar for maintaining a coupling of a dispensing module to a receptacle neck. The ferrule has an annular plastic skirt open on one end, and plastic nibs extending radially inwardly from the skirt inner surface. The skirt outer surface is a regular polygon with flat surfaces between corners. The collar has a Nomar edge defining an annular recess adjacent the open end with an annular face facing the collar other end. At least the corners of the skirt open end extend radially outwardly into the annular recess of the collar inner surface when the dispensing assembly is secured to the receptacle to retain the collar on the ferrule while the dispensing assembly is secured to the receptacle by the ferrule nibs beneath the flange of the receptacle neck. Installation involves pushing the collar and ferrule onto the receptacle neck with the collar in a raised position on the ferrule, and then pushing the collar down relative to the ferrule.

Abstract: A finish on a hollow plastic preform or container includes a neck that is at least partially of crystallizable polymer construction and is at least partially crystallized, and a finish ring externally secured over the neck. The neck preferably is of molded plastic construction, and preferably is stretched subsequent to molding but prior to external securement of the finish ring. In the preferred embodiments of the invention, the preform or container has an integral body, and the neck is integrally molded with the body. The finish ring preferably has at least one external thread for securement of a closure to the container after molding.

Abstract: A device is provided for fastening a distribution component on a vessel neck. The fastening device includes a retainer ring comprising a skirt defining an internal wall and an external wall, with the internal wall adapted to contact the external wall of the neck. The device also includes a lining collar surrounding the skirt of the retainer ring, the lining collar defining an internal wall and a visible external wall. The external wall of the skirt is formed with longitudinal external ribs extending at over the height of the skirt. The external ribs are in fitting contact against the internal wall of the collar.

Abstract: A separating mechanism for inserting in a receptacle chamber of a container receptacle having a longitudinal axis comprises two adjacently disposed components and a sealing device which is directed towards an internal wall of the container receptacle. The components have two ends spaced apart from one another in the direction of the longitudinal axis, and a flow passage extends therebetween. The components can be applied against the internal wall by at least one pressing element and, in an initial position, the flow passage is established between the adjacently disposed components spaced apart from one another by the pressing element.

Abstract: An improved dropper bottle, and in particular a dropper body able to be joined to a container body and closed by a cap, are described. The dropper body comprises a first droplet delivery end and an open base, the open base of the dropper body comprising a first projection able to engage with the internal surface of a mouth of the container body, and a second projection able to engage with the external surface of the mouth of the container body. Locking toothing is provided between the dropper body and the container body.

Abstract: A composite closure includes a band and an insert disk. A contact surface urges downwardly against the disk even while the band moves longitudinally relative to the disk or container. The closure has a fully tightened position in which the band's ring contacts the disk's annular channel, a loose position in which the ring is spaced apart from the annular channel, and an intermediate tightened position in which the ring is spaced apart from the disk and the contact surface urges against the curl. Another composite closure includes plural fins or gussets. The fins or gussets engage the peripheral curl of the insert disk to secure the band to the disk, which provides a resistance to initial unscrewing of the band. The disengagement torque required to disengage the curl from the fins may enable the closure to function as a one-piece closure.

Abstract: Vessels, or housings, and covers therefor are detailed herein. Loads and load-bearing surfaces exist principally at the periphery of the covers, by contrast with centralized loading utilized in other designs. In some versions of the vessels, a cover is sandwiched, at its periphery, between a cap assembly formed of both a jack ring and an upper component or cap and thus carried on and off the associated vessel when the cap is placed onto or removed from the vessel, respectively.

Abstract: Closing cap (1) for a receptacle, typically a bottle with a threaded neck comprising an outer cap (2) typically provided with a top (20) and a skirt (21), and an insert (3) made of a plastic material with a threaded skirt (31) fixed to the said outer cap (2), characterised in that the said threaded skirt (31) comprises an inner thread (32), and the thickness of the bottom (320) varies from 0.40 mm to 0.150 mm.

Abstract: Capped containers for use on a residence counter have caps which swingably connect the cap to the container for closure. If the contents of the container is a thin or watery liquid the ordinary closure may not prevent leakage during vibration, travelling or pressure. There is here provided a container with an additional closure formed when a sleeve is arranged to move to an extended position and then to thread to both the cap and the container to provide a fluid tight connection to each.

Abstract: An assembly for securing and sealing a dispenser to a container having a flange surrounding an opening therein is provided. The assembly includes a dispenser sub-assembly having an outer body with an outer surface adapted to engage an inner surface of the opening so as to secure and seal the dispenser sub-assembly within the opening. A retaining collet having a downwardly extending skirt having a bottom portion extending radially outwardly is positioned to surround the flange. A decorative collar having a sleeve about its periphery is slideable through a path of movement over the retaining collet to an assembled position. The sleeve of the decorative collar deforms the bottom portion of the skirt of the retaining collet radially inwardly to a position under the flange of the container as the decorative collar is slid to the assembled position so as to maintain the decorative collar in the assembled position.

Abstract: A composite closure type container assembly that is designed for use with unthreaded containers includes a container having an unthreaded outer surface and an opening that is defined by an upper rim, a sealing disc that is sized and shaped to cover the opening and to seal against the upper rim and a securement member that is removably anchored to the container for securing the sealing disc on the container. In one embodiment, the securement member is removably anchored to the container by using a tight frictional engagement. In a second embodiment, the anchoring is accomplished by shaping the container so as to have a downwardly depending skirt that engages and retains the securement member in position until the container assembly is opened.

Abstract: A transfer set for transferring fluid, including drugs, vaccines, medicaments, solutions and the like, between a first container, such as a conventional vial, and a second container, such as a conventional syringe having a unique multipurpose resealable member. The transfer set assembly includes an elastomeric tubular fluid transfer and resealable valve member preferably including an open end mounted on the pierceable closure or stopper of a vial and a generally closed distal end having a longitudinal slit and a piercing member is telescopically received within the fluid transfer valve member having a piercing end opposite the pierceable closure. The fluid transfer valve member is preferably formed of silicone and is surrounded by a generally tubular luer connector member having an open end mounted on the pierceable closure and a distal end having male luer threads.

Abstract: A dispenser assembly for dispensing a substance from a receptacle is provided. Preferably the collar therefore comprises outwardly projecting and elongated angled ribs for forming complementary elongated grooves in the outer surface of the ferrule. A method of assembling such a dispenser assembly upon a receptacle is also provided and comprises the important step of allowing the collar to rotate over the outer surface of the ferrule and towards the receptacle, such that the elongated ribs form complementary elongated grooves in the outer surface of the ferrule thereby forming an airtight seal between the dispensing assembly and the receptacle.

Abstract: The present invention is an improved plastic industrial container which may be used for packaging, shipping and dispersing a variety of liquids while protecting the contents from tampering and theft. The container is manufactured in components which include a pail body, a cover and a nestable pour spout closure. The improved container design facilitates press fit assembly of the cover to the pail in the usual manner, but which blocks tool insertion and undamaged removal of the cover. The invention specifically relates to an improved cover and closure combination which facilitates the press fit assembly of the closure to the cover but which resists tampering. The barrier molded with thin cross section with frangible elements to be easily damaged if tools are used in a prying manner on the closure wall resist tampering by restricting the clearance for tool insertion and closure removal.

Abstract: A bottle security device includes an inner member, an outer member and a cap member that cooperate to lock the bottle security device on the neck of a bottle. The inner member includes a plurality of fingers that are adapted to fit under the bead on a bottle neck. The cap member and the outer member are connected to form an enclosure therebetween which houses a locking mechanism. The outer sleeve member of the device slides over the inner member and forces the fingers against the bottle neck. Pins are connected to the inner member and extend into the locking mechanism to lock the inner and outer members together when the inner member is inserted in the outer member. A magnetic key is used to separate the two pieces and release the security device from the bottle. The key attracts a portion of the locking mechanism to disengage the mechanism from the pin.

Abstract: An attachment device is provided to attach a distribution device, such as a pump or a valve, onto a neck of a recipient. The attachment device comprises a ring forming a skirt equipped with an attachment structure, such as clip-on heads, designed to co-operate with the neck of the recipient. A reception structure is provided to receive the distribution device. An annular plate extends radially inwards from the skirt. The plate is designed to be pressed against the upper end of the neck, with an inserted seal if required. The plate can be moved axially upwards away from the attachment structure by pressing the plate on the upper end of the neck.

Abstract: A dispenser assembly for dispensing a substance from a receptacle is provided. Preferably the collar therefore comprises outwardly projecting and elongated angled ribs for forming complementary elongated grooves in the outer surface of the ferrule. A method of assembling such a dispenser assembly upon a receptacle is also provided and comprises the important step of allowing the collar to rotate over the outer surface of the ferrule and towards the receptacle, such that the elongated ribs form complementary elongated grooves in the outer surface of the ferrule thereby forming an airtight seal between the dispensing assembly and the receptacle.

Abstract: A cap for a bottle stopping device to be mounted on a main body member. The main body member has retaining tabs, and the cap has a side wall for pressing the tabs against the bottle neck. The side wall has an upper portion, and a lower portion provided with an end portion folded back 180° over itself towards the inside, in such a way as to define an internal shoulder for retaining the tabs.

Abstract: A reusable closure system for containers, such as wine bottles. The closure system is designed for containers or bottles having a finish ring disposed on an outer surface of the neck of the container. The system includes a disk connected to a plug. The disk includes a first flat surface and a second opposing surface. The plug extends outward from the second surface. In the initial sealed and packaged condition, the flat surface of the disk overlies the rim of the container and a removable compression ring securely holds the disk in place over the rim of the container. The removable compression ring includes a cylindrical body with an upper end connected to a radially inwardly extending upper lip which engages the second surface of the cap and through which the plug extends. The compression ring also includes a radially inwardly extending lower lip which engages the finish ring of the container. The compression ring preferably includes a pull tab and perforations for easy removal.

Abstract: A breech for a dual-component cartridge with a breech plug with two sealing bolts which can be inserted into the two mutually separated outlet openings at the cartridge throat and seal these openings tightly, and with a retaining nut that can be screwed onto the cartridge throat. This nut can turn relative to the breech plug and can be locked to it in an axial direction and released therefrom. In order that the breech plug will be held by the retaining nut without additional parts and so that it can again be easily separated from it, between the retaining nut and the breech plug a manual-detachable snap-in connection is formed by the relative movement of the breech plug in the axial direction.

Abstract: A vial closure device, a sample vial incorporating such a vial closure device, and certain methods of using such a vial and closure device. The vial and closure device are intended to contain a gaseous sample or a headspace gas present above a liquid or solid material, so that the gaseous sample or headspace gas can be conveniently analysed, typically by means of an autosampler connected to an analytical instrument such as a mass spectrometer. Mass spectrometric methods of determining the isotopic composition of hydrogen and oxygen comprised in aqueous samples contained in vials fitted with such closure devices are disclosed. The vial closure device comprises a hollow body member locatable in the mouth of a vial, and a first seal for making a substantially gas-tight seal between the exterior of said hollow body member and said vial.

Abstract: A transfer set for transferring fluid, including drugs, vaccines, medicaments, solutions and the like, between a first container, such as a conventional vial, and a second container, such as a conventional syringe having a unique multipurpose resealable member. The transfer set assembly includes an elastomeric tubular fluid transfer and resealable valve member preferably including an open end mounted on the pierceable closure or stopper of a vial and a generally closed distal end having a longitudinal slit and a piercing member is telescopically received within the fluid transfer valve member having a piercing end opposite the pierceable closure. The fluid transfer valve member is preferably formed of silicone and is surrounded by a generally tubular luer connector member having an open end mounted on the pierceable closure and a distal end having male luer threads.

Abstract: Device for closing bottles having a neck with an outer annular edge and including: a) a main body comprising an annular part having an outer edge area and tongues jointed to the outer edge area of the annular part, in addition to an inner surface, and outer surface, lateral surfaces and a lower surface in which the tongues have two first ribs standing out form the inner surface and adjacent to the lateral surfaces and the outer surface has a raised area and b) a sleeve with a substantially hollow and cylindrical part, wherein the substantially cylindrical part can be placed on the tongues.

Abstract: A composite closure type container assembly that is designed for use with unthreaded containers includes a container having an unthreaded outer surface and an opening that is defined by an upper rim, a sealing disc that is sized and shaped to cover the opening and to seal against the upper rim and a securement member that is removably anchored to the container for securing the sealing disc on the container. In one embodiment, the securement member is removably anchored to the container by using a tight frictional engagement. In a second embodiment, the anchoring is accomplished by shaping the container so as to have a downwardly depending skirt that engages and retains the securement member in position until the container assembly is opened.

Abstract: A cap (1) for a bottle stopping device, where the device comprises a main body member (9) and the cap (1), where the cap (1) is adapted to be mounted on the main body member (9) and thereby defines a mounted position, the main body member having (9) retaining tabs (21), the cap (1) having a side wall (5) for pressing the tabs (21) against the bottle neck, where the side wall (5) has an upper portion (7) and a lower portion (11), where the side wall (5) is provided at the lower portion (11) with an end portion (15) folded back 180° over itself towards the inside, in such a way as to define an internal shoulder for retaining the tabs (21).

Abstract: An attaching ring or fixing ring is provided for attaching or fixing a dispenser member to a neck of a receptacle containing a substance to be dispensed. The ring is annular and has a bottom portion and a top portion. In a preferred embodiment, the bottom portion includes snap-fastening tabs for fixing the ring to the neck. The top portion includes an opening for the dispenser and a surrounding structure for securing the dispenser member to the neck. The top portion further includes at least one guide wall element extending parallel to the longitudinal axis of the dispenser member and around the periphery of the fixing ring substantially in line with the snap-fastening tabs. A hoop can be provided for preventing the tabs from splaying apart. The hoop can include an internal projection, such as a vertical rib or a thread.

Abstract: The invention concerns a fixing device for a fluid product dispenser adapted for mounting on a container or reservoir which has a neck. A dispensing member is mounted on the reservoir neck. The neck has an outer peripheral thickness defining, with the rest of the neck, a lower shoulder. The fixing device comprises a fixing ring to fix the dispensing member on the neck. The fixing ring comprises a peripheral skirt extending up to beneath the shoulder. The skirt is provided with flaps, the ends of which point inwards and upwards and are urged to stop in contact against the shoulder thereby providing a catching mechanism for the fixing ring on the reservoir neck.

Abstract: The invention relates to a device for assembling and packaging a pump (P) and a receptacle (R) of the type comprising firstly a fixing bush (1) provided on its inside wall with elastically deformable elements (11) for fastening beneath a collar (C) of the neck of the receptacle (R), and secondly with a packaging skirt (2) that is malleable, at least in part, clamped radially against the outside wall of said bush (1), the device being characterized in that said bush (1) has setbacks (10) formed in its outside wall in register with the fastener elements (11), defining an intermediate empty zone in which said skirt (2) is not liable to be deformed by said elements (11).

Abstract: A device is provided for fastening a distribution component on a vessel neck. The fastening device includes a retainer ring comprising a skirt defining an internal wall and an external wall, with the internal wall adapted to contact the external wall of the neck. The device also includes a lining collar surrounding the skirt of the retainer ring, the lining collar defining an internal wall and a visible external wall. The external wall of the skirt is formed with longitudinal external ribs extending at the top of the skirt. The external ribs are in fitting contact against the internal wall of the collar.

Abstract: An attaching ring or fixing ring is provided for attaching or fixing a dispenser member to a neck of a receptacle containing a substance to be dispensed. The ring is annular and has a bottom portion and a top portion. In a preferred embodiment, the bottom portion includes snap-fastening tabs for fixing the ring to the neck. The top portion includes an opening for the dispenser and a surrounding structure for securing the dispenser member to the neck. The top portion further includes at least one guide wall element extending parallel to the longitudinal axis of the dispenser member and around the periphery of the fixing ring substantially in line with the snap-fastening tabs. A hoop can be provided for preventing the tabs from splaying apart. The hoop can include an internal projection, such as a vertical rib or a thread.

Abstract: The plastic closure of this invention is particularly, but not exclusively adapted for sealing medicament vials and other medical containers or as a collar for retaining a fluid transferset on a medical container. The plastic closure of this invention includes a generally tubular portion which surrounds the rim of the container and a free end portion which is permanently radially deformed or crimped into the neck of the container. The plastic closure of this invention is formed of a polymer, preferably a polymeric alloy or melt blend, which is sufficiently malleable to permit radial deformation, yet sufficiently rigid to retain its shape following deformation and sufficiently resistant to creep to maintain the seal between the plastic closure and the container following deformation. A preferred polymer for the plastic closure of this invention is an alloy or melt blend comprising a relatively rigid polymer such as polycarbonate and a soft malleable co-polymer such as a polyester.

Abstract: A self-closing bottle cap having a cover plate (1) that is easily pushed aside with a light touch from a swab stick (17). The cover plate pivots aside and upward on a hinge (6) with an oblique pivot axis (10) that provides an ideal trajectory and gravity component for the cover plate motion. The cover plate is held aside with the swab stick while dipping the swab (18) into the bottle contents. When the swab is removed, the cover plate returns by gravity and closes the bottle. This allows an operator to easily open the bottle for each dipping of the swab, using only one hand with little distraction. The bottle remains closed at all times except briefly during each dip. This minimizes evaporation of chemicals into a working environment.

Abstract: A press-on/pry-off closure includes a separately formed circular end panel, preferably composed of metal, and a surrounding rim composed of a flexible plastic, preferably a thermoplastic polyolefin. The end panel is top-side inserted into the rim and secured between a radially inwardly extending ledge on an interior sidewall of a skirt portion of the rim and a plurality of radially inwardly extending panel-retaining formations adjacent an upper edge of the rim. The skirt includes a removal-assist portion which, in the illustrated embodiment, is in the form a hinged tab integrally formed with the rim. The tab is outwardly pivotable about the hinge axis for applying a lifting force to the rim to facilitate removal of the closure from a container.

Abstract: An attaching ring or fixing ring is provided for attaching or fixing a dispenser member to a neck of a receptacle containing a substance to be dispensed. The ring is annular and has a bottom portion and a top portion. In a preferred embodiment, the bottom portion includes snap-fastening tabs for fixing the ring to the neck. The top portion includes an opening for the dispenser and a surrounding structure for securing the dispenser member to the neck. The top portion further includes at least one guide wall element extending parallel to the longitudinal axis of the dispenser member and around the periphery of the fixing ring substantially in line with the snap-fastening tabs. A hoop can be provided for preventing the tabs from splaying apart. The hoop can include an internal projection, such as a vertical rib or a thread.