Abstract: A child-resistant package includes a container having a neck finish with an open mouth, an angularly spaced array of external projections with notches on undersides of the projections, and a conical internal surface around the mouth. A closure has a base wall, a first annular wall with angularly spaced internal lugs received within the notches, and a second annular wall disposed radially inwardly from the first annular wall and in resilient sealing engagement with the internal surface on the container neck finish.

Abstract: A closure includes a ribbed design wherein the ribs improve the ability to manually manipulate the closure and produce a distinctive aesthetic appearance. The new design allows improved manufacturing ability while reducing closure cost.

Abstract: A coupling piece coupling a cap body and a band is prevented from being cut off to tampering and the cutting-off thereof due to deformation of the band. An open/close cap a cap body to be screwed to an outer peripheral surface of a mouth portion of a pouring spout and a band extending in the circumferential direction of the cap body and engaged with the pouring spout, the band being formed with at least one portion at which the band 10 circumferentially separated, the end of the band being connected by a connection piece at that portion at which the band is cut off. The band is disposed below the lower surface of the cap body and coupling pieces are attached to the lower portion of the cap body. A band shape maintaining member is disposed to the lower end of the cap body.

Abstract: A closure (40) and container (10) combination which includes a closing and opening assist mechanism (22, 28, 28?, 30, 30?) which provides for spreading the locking mechanism (46) of the closure and causing a lifting movement of the closure to effect the removal of the closure from the container.

Abstract: A removable cap assembly has a cap with a curved side wall having an inner surface and an outer surface, a top portion extending from the curved side wall, a boss extending perpendicularly from the top portion, with the boss having a bottom and a top. A first circumferential rib extends perpendicularly from the top of the boss, with the boss and rib defining an opening in the cap. A stopper is dimensioned to seal the opening having a shape complementary to the boss and a hole therein configured to allow a fluid to flow therethrough. The stopper is maintained in the cap by the shape of the boss and includes a disc shaped base, a cylindrical wall portion extending from the base, a first groove in the base surrounding the wall portion, the first groove dimensioned to receive the bottom of the boss.

Abstract: A linerless closure of one-piece integrally molded plastic construction includes a base wall and a cylindrical skirt for attaching the closure to a container neck finish. First and second circumferentially continuous annular walls extend from the base wall at positions radially inward from the skirt. The first and second annular walls are spaced from each other to receive an end portion of the container neck finish when the closure is applied to the neck finish. At least one of the annular walls has a circumferentially continuous annular projection extending toward the opposing annular wall. The annular projection is axially flexible for bending and folding toward the base wall and toward the at least one annular wall in sealing engagement with the end portion of the container neck finish when such end portion is received between the annular walls.

Abstract: A plastic cap with inside threads removably attaches to a stainless steel container with mating rolled steel external threads. A center stainless steel plug inside the cap fits down into the container. A silicone O-ring on the cap creates a watertight seal with the top of the container. The contents of the stainless steel container only contact the stainless steel plug and never reach the plastic portion of the cap. A finger loop is built into the outer periphery of the plastic cap for ease in carrying or suspending the container.

Abstract: A container closure assembly comprising a threaded closure with a sealing plug (24) and a sealing skirt (20) pinching a container lip (5). The skirt and the plug comprise sealing ribs (21, 22, 26, 27) that engage the lip of the container The ribs are located at substantially equal longitudinal distances from the base (3) of the closure.

Abstract: A propane gas container assembly includes a bottle adapted for containing about 16.4 ounces of propane gas having a substantially circular outlet nozzle for exiting propane gas, on which a plurality of threads are formed, and a cap having a circular top section, a substantially circular sidewall extending from the top section, and a plurality of threads formed on an internal surface of the sidewall for complementary engagement with the threads formed on the exterior surface of the outlet nozzle of the bottle. A rubber sealing member is positioned on the internal surface of the top section of the cap, and is adapted for forming a substantially gas tight seal to prevent the escape of propane gas from the bottle when the cap is threadingly engaged to the outlet nozzle of the bottle. The rubber sealing member can cover the entire internal surface of the top section of the cap, and can be made of nitrile.

Abstract: A plastic cap comprising a top panel and a skirt hanging down from the peripheral edge of the top panel, the inner surface of the top panel forming an inner ring that forms a seal upon coming into intimate contact with the inner surface of the wall of the mouth of a container, and the inner surface of skirt forming a screw thread that comes into engagement with a screw thread formed on the outer surface of the wall of the mouth of the container, wherein a slender recessed portion is formed in a number of at least one in the inner surface of said inner ring extending upward from an end thereof. The cap features both excellent sealing and excellent venting.

Abstract: This stopper device (3) for a container (B) comprises a sealing disk (2) suitable for being sealed, adhesively bonded, or blocked against the end edge (12) of the neck (1) of the container (B), while projecting radially outwards from the neck. The device also comprises a stopper (4) suitable for being mounted on the neck (1) and provided with an internal portion in relief enabling a thrust force to be exerted on the sealing disk (2) urging the disk (2) away from the neck (1). The internal portion in relief is formed by a tongue (412) formed integrally with the stopper (4) and folded towards the end wall (413) of the stopper, in a configuration that is generally frustoconical and that converges (?) towards said end wall (413).

Abstract: A closure (10) that is suitable for attachment to a container (20) having an end portion defining an opening of the container. The closure (10) comprises a top portion (11) and a skirt portion (12) depending from the top portion. The closure (10) also has a sealing rib (14) having a first sealing portion (15) which is contiguous with the top portion (11). The first portion (15) has an inner surface made up of at least a first substantially cylindrical surface portion (17) lying radially inwardly of the first surface portion (17). The rib (14) further includes a second sealing portion (16) that is separated from the top portion (11) by the first portion (15) and which, prior to attachment of the closure to the container, extends inwardly to a free edge. The closure (10) further has a continuous nub member (28) extending downwardly and outwardly from the underside of the top portion (11) and positioned radially inwardly of the first sealing portion (15).

Abstract: A plastic paint container includes a body having an interior and a neck defining an opening to the interior. The neck includes a neck sealing surface. An insert includes an outer wall configured to fit within the opening of the body and defining the periphery of the insert. The outer wall includes an upper edge and a lower edge. A lip extends radially outward from the upper edge to prevent the insert from being pushed to far into or through the neck. The lip is formed from a first material and includes an upper surface and a lower surface. The lip includes a second material formed over the first material. The first material being harder than the second material. A cover is threadably engaged with the neck. The second material contacts the neck sealing surface and a cover sealing surface when the cover is threadably engaged on the neck.

Abstract: An internally threaded plastic closure in accordance with the present invention includes an array of axially extending, circumferentially spaced internal ribs which intersect the internal thread formation of the closure. By this arrangement, vent passages are defined between adjacent ones of the internal ribs, thus providing the closure with desirable gas venting characteristics, while avoiding the provision of vent grooves extending into the inside surface of the closure side wall, which can undesirably impair the strength of the side wall. By the present construction, the amount of polymeric material from which the closure is formed can be desirably reduced, while maintaining the desired dimensional characteristics of the closure, to facilitate use with existing containers and high-speed capping equipment.

Abstract: A container for collecting and storing breast milk. More particularly, one embodiment provides a container for collecting and storing breast milk obtained using a breast pump, comprising: a body, wherein the body has an open end with a lip, a closed end and a cavity between the open end and the closed end for receiving therein the breast milk; a cap; a hinge disposed adjacent the open end of the body for connecting the cap to the body; a sealing mechanism disposed on the cap, wherein the sealing mechanism provides a resealable, watertight seal between the cap and the lip of the body when the cap is placed thereon; and at least one thread disposed at the open end of the body, wherein the thread is configured to provide a screw-on connection between the body and the breast pump.

Abstract: A closure (10) that is suitable for attachment to a container (20) having an end portion defining an opening of the container. The closure comprises a top (11), a skirt (12), a support ring (30) that is engageable with the end portion of the container and which is hingedly connected to the skirt (12), and a sealing rib (13). The sealing rib (13) has a first portion (14) and a second portion (15). The length of the second portion (15) is such that, during attachment of the closure (10) with the end portion of the container (20), the end portion of the container contacts the second portion (15) and pushes it upwardly and at least towards the first portion (14) so as to form a seal between the end portion of the container (20) and the closure (10).

Abstract: A moisture-tight safety closure and a container wherein a depending, circumferentially extending sealing lip on the closure engages a flexible wall portion on the neck of the container. A plurality of circumferentially extending lugs on the closure cooperate with a plurality of circumferentially spaced hooks on the container neck for releasably securing the closure to the container.

Abstract: A plastic gas cap having a cap element with a plastic skirt having an inner skirt diameter and including ring retaining tabs extending inwardly from the inner skirt, a plug element having a flange at one end sized and shaped to fit within the plastic skirt and past the ring retaining tabs; and a plastic retaining ring having an outer ring diameter and being secured between the flange and the tabs to secure the plug element in the cap element by an interference fit within the inner skirt diameter which reinforces said plastic skirt and makes it more rigid.

Abstract: A closure (100,200) for a container (210), the closure (100,200) comprising a wadless membrane (20,220) and a shell (30), wherein the membrane (20,220) is adapted to be heat sealed to a rim (217) of a container to provide a gas-tight barrier, wherein the shell (30) has a downwardly extending resilient sealing element (40,240) for providing an even sealing pressure to the membrane (20,220) during heat sealing and for providing a gas-tight re-seal once the membrane (20,220) has been broken or removed.

Abstract: The present invention relates to a linerless closure cap for a container, especially a resealable linerless closure cap for a container.

Abstract: A closure for sealing engagement with a container neck finish having at least one external thread segment includes a base wall having a skirt with at least one internal thread segment for engagement with the at least one external thread segment to thread the closure onto the container neck finish. A first flexible resilient annular wall extends from the base wall within the skirt and is positioned for sealing engagement with an inside surface of the container neck finish when the closure is threaded onto the neck finish. A second flexible resilient annular wall extends from the base wall between the first annular wall and the skirt, and is positioned for sealing engagement with an outside surface of the container neck finish when the closure is threaded onto the container neck finish. A circumferential series of external first axial ribs are on the first annular wall and a circumferential series of internal second axial ribs are on the second annular wall.

Abstract: There is described a neck structure in combination with a closure. The neck structure defines a neck opening with a cylindrical sealing surface surrounding the neck opening and an external neck surface. The closure comprises a cap formed of resilient material having a top and a downwardly extending skirt portion depending from the top. An annular plug depends from an underside of the top and one or more ribs are formed on an internal surface of the downwardly extending skirt portion. The annular plug and the one or more ribs are arranged concentrically and are dimensioned such that, upon application of the cap to the neck structure, the annular plug projects into the neck opening and engages the cylindrical sealing surface. At the same time the one or more ribs engage the external neck surface.

Abstract: A cap 10 which has a female screw 14 in the inner peripheral surface and which is to be screwed on a port neck part 13 of a container main body 11 holding a predetermined liquid, wherein a plurality of ribs 18 radially extending astride from an inner surface of a top surface part 16 of the cap 10 to an inner surface of a peripheral wall part and integrally projecting inwards are formed on a peripheral edge part 17 of the inner surface of the top surface part 16. A female screw 14 is a screw in the form of two threads composed of spiral mated ridges 14a, 14b of two threads, for example. The liquid held in the container main body 11 is, for example, a chlorine-based bleach which contains a surface active agent and a sodium hypochlorite. The mated ridges 14a, 14b each are 80 to 120 degrees in thread angle ? and 1 to 15% of a valley radius of the female screw 14 in thread height H.

Abstract: A child-resistant package includes a container having a neck finish with an open mouth, an angularly spaced array of external projections with notches on undersides of the projections, and a conical internal surface around the mouth. A closure has a base wall, a first annular wall with angularly spaced internal lugs received within the notches, and a second annular wall disposed radially inwardly from the first annular wall and in resilient sealing engagement with the internal surface on the container neck finish. The second annular wall has a substantially cylindrical portion adjacent to the base wall and a conical portion extending from the substantially cylindrical portion at an angle inwardly from the first annular wall and away from the base wall. The conical portion of the second annular wall has an edge remote from the base wall that is spaced from the internal surface of the container neck finish.

Abstract: A closure is provided for connection to a container. The closure includes a cap and a tamper band. The tamper hand includes retention tabs that retain the tamper band to the container.

Abstract: A lid for a container is disclosed that has a series of seals. The first seal is a rib that is forced against the container interior at a top portion of the container. The second seal is created by at least two ribs that create a spring-like force against the pail. An additional seal is incorporated that includes a skirt having a tear strip with a hook on the tear strip and a hook above the tear strip.

Abstract: One embodiment provides a synthetic resin cap comprising a cap body and a circular inner seal projection. The cap body having a top plate and a cylindrical section extending downward from the periphery thereof, and a threaded section that engages with a thread of the container opening is formed in the inner peripheral surface of the cylindrical section. The inner seal projection formed on the inner surface of the top plate and fits into a container opening. The circumferential direction forming angle of the threaded section is from 600° to 720°, and the threaded section is divided into a plurality of divided threaded sections at divided sections; and the divided sections are provided at nearly equal intervals in the circumferential direction.

Abstract: A closure, particularly for use on liquid-packing containers, comprising a first substantially circular portion from the periphery of which a second substantially cylindrical portion projects substantially orthogonal to the first portion, the closure comprising a sealing system provided with a first sealing element associated with the first portion and second and third sealing elements associated with the second portion, the first, second and third sealing elements cooperating with the packing container. The first and the third sealing elements provide sealing by deformation when the closure is applied to the container. The second sealing element provides sealing by direct compression when the closure is applied to the container.

Abstract: A container for storage and dispensing of paint includes a unitary, molded plastic container body defining an interior volume and including an annular container opening through which the contents are dispensed. Included as part of the paint container is a dispensing spout which is positioned within the container opening and includes a pouring lip. The dispensing spout includes a threaded portion which receives a removable closing cap. The cap is constructed and arranged to close the container opening. A transporting handle is provided and is attached directly to the container body.

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: The invention provides a container closure assembly comprising: a container neck having side walls defining an opening at one end thereof and a lip extending around the opening, wherein an inner surface of the side walls proximate to said lip is inwardly tapered; a closure for said neck, the closure having a base portion and a skirt portion; a first screw thread on the neck; a second screw thread on an inner surface of the skirt of the closure; said first and second screw threads being configured to enable a user to secure, remove and resecure the closure into a sealing position on the neck by rotation of the cap on the neck; a sealing plug extending from said base portion of the closure inside and substantially concentric with said skirt portion of the closure, wherein the sealing plug comprises a plurality of circumferential sealing ribs on an outer surface of said sealing plug for engagement with said inner surface of the container neck when the closure is secured on the container neck; at least one flexib

Abstract: A child resistant package includes a container having a finish with at least one external thread and at least one pocket in an undersurface of the thread. A closure for receipt on the finish of the container has a base wall, a skirt with an axis, at least one internal thread having at least one lug for receipt in the pocket of the container finish, and a spring disposed between the base wall and the container finish external thread. The spring yieldably biases the closure away from the finish and urges the lug into the pocket. The spring is a progressive spring that includes at least two spring rings preferably extending from the base wall at an angle to the axis of the skirt. The spring rings are radially spaced from each other and a first spring ring has a greater axial dimension or length than a second spring ring, with the first spring ring axially overlying the second spring ring.

Abstract: A closure and container package are provided in which the closure has an elongated orifice. A spout cover disposed on an underside surface of the cap portion of the closure receives a spout portion disposed about the orifice. A spud urges the spout into contact with the spout cover to enhance contact therebetween. A snap hinge couples the cap with the closure body. The spout cover forms a sealing contact with an exterior surface of the spout to form an outside seal that does not become contaminated upon dispensing of the contents of the container. The spout cover includes a protrusion or bead on an inner surface that cooperates with a bead on the spout exterior surface to lock the cap in its fully closed position. An annular seal extending downwardly from a portion of the closure seals the closure head-space to present vapor infiltration and condensation therein.

Abstract: A closure for a container for holding contents therein generally comprises a surface for gripping the closure in order to twist it in either direction to open it. The closure has downwardly projecting teeth on its underside; the container has upwardly projecting teeth, which mate with the downwardly projecting teeth of the closure. An outer ring on the closure circumscribes and holds in place the upper lip of the container in the closed position. Twisting of the closure in either direction causes the closure to be released from the container.

Abstract: A child-resistant package includes a container having an end with an open mouth surrounded by a container wall having a central axis. An external ledge extends around the container wall at a position spaced from the open mouth. The ledge has an axially facing surface that adjoins a radially outwardly facing surface of the container wall, and closure securement structure on the ledge including at least one pocket. A closure includes a base wall, a peripheral skirt coupled to the base wall, at least one internal lug on the skirt for receipt in the at least one pocket on the container, and an annular wall that extends from the base wall for plug-sealing receipt within the container mouth when the skirt is received over the end of the container. At least one spring element extends from the base wall of the closure adjacent to the skirt radially inwardly and axially within the skirt.

Abstract: A child resistant safety cap device for applicator tubes includes a base element, a cap, at least one keyway latching system, and at least one spring. The base element has a top and a sidewall, and has a container tube attachment mechanism located under the top that is adapted to affix the base element to a container tube. The top has a content outlet and an elongated applicator nozzle at the content outlet that extends upwardly therefrom. The cap is adapted to fit onto the base element. It has an upper portion with a top and a sidewall and a lower portion with a downward extension of the sidewall. The upper portion includes an applicator nozzle sealing mechanism to seal the applicator nozzle when the cap is in a closed position. There is at least one keyway latching system that includes a track having a downward entry section and an upward locking section, and includes a track rider corresponding to the track.

Abstract: A container closure formed from a synthetic resin as a single unit has a circular top panel wall and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall. An outer cylindrical sealing protrusion, an inner cylindrical sealing protrusion, and annular sealing ridge, all having a predetermined shape and a predetermined size, are formed on the inner surface of the top panel wall. In one embodiment, the thickness of the center portion of the top panel wall is reduced to a predetermined range and a plurality of ribs having a predetermined thickness are formed on the inner surface of the center portion of the top panel wall.

Abstract: A container for the storage and dispensing of a liquid and which incorporates a sealing mechanism includes a blow-molded container body including a neck portion having a series of external threads and defining an annular, non-planar sealing surface, a pouring spout assembled into the body and a unitary closing lid including a series of internal threads constructed and arranged to engage the threads of the neck portion. The unitary closing lid includes the sealing mechanism in the form of a pair of annular sealing lips constructed and arranged to be compressed against the annular, non-planar sealing surface to establish a sealed interface between the closing lid and the body.

Abstract: A closure (10) having a sealing rib (14) projecting downwardly from the underside of its top portion (11). The first portion (15) of the sealing rib (14) increases in thickness as it extends away from the top portion (11). In another aspect, the invention relates to a closure (10) in which the sealing rib (14) has a third portion (18) that is substantially no thicker than the second portion (17) of the rib (14) and has a length longer, and preferably substantially longer, than its thickness. In the second aspect, the third portion (18) of the rib (14) is connected to the second portion (17) at or adjacent its free edge and extends generally in a direction away from the top portion (11). Upon attachment of the closure (10) with the neck (22) of a container, the third portion (18) will be displaced to lie between the end portion (23) of the neck (22) of the container and the top portion (11) of the closure (10).

Abstract: A package, especially for granular, powdered or fluid product, includes a container with a spout extending upward and inward from a threaded neck and then flaring outward to terminate in a circular rim forming a wide mouth container opening. A closure as an end wall coextensive with the container rim in a skirt curving downward and outward with threads formed on an inner surface at a cylindrical lower end. Sealing elements include an annular sealing flange extending downward and inward from the end wall and having an outer sealing surface which seals against the inner surface of the flared portion of the container. An upper portion of the inner surface of the skirt formed by an annular rib extends downwardly and outwardly from the end wall to form an upwardly converging gap into which the flared portion is wedged as the closure is applied to the container.

Abstract: A tamper indicating band arrester is described herein for use with a container neck or finish bead comprising an upper portion and a lower portion. The TI band has an annular step having a smaller diameter than the lower portion of the finish bead. The TI band further comprises a TI bead which positioned beneath the lower portion of the container neck or finish bead. The plurality of frangible webs or bridges are located above the annular step and adjacent the upper portion of the finish bead. The thickened cross section of the annular step provides interference between the TI band and container neck bead inhibiting the TI band from tiring over the container neck bead when opened.

Abstract: A closure for a fitment is provided with an outer side wall extending downwardly therefrom and spaced from an inner sealing ring wherein the outer side wall adjacent the top wall is provided with a plurality of spaced inwardly extending ribs, adapted for embedding into a lip at the outlet of a fitment neck.

Abstract: A sealing member for a cap featuring excellent cap performance as well as excellent safety and environmental friendliness, and a metallic cap. A foamed polyurethane elastomer having a JIS A hardness of from 15 to 65 and a foaming magnification of from 1.1 to 10 times is used as the sealing member so as to obtain excellent sealing performance, durability, safety and environmental friendliness. The sealing member is provided for a metallic cap shell that has a polyester film formed on the inner surface of the cap, thereby to obtain a cap featuring excellent sealing performance, durability, safety and environmental friendliness.

Abstract: A package made up of a container (30) with a closure assembly (10) applied thereto. The closure assembly has a molded plastic closure element (12) with a top panel (14) and an annular skirt (16) that depends downwardly from the. top panel and surrounds and engages a finish of the container. The closure assembly (10) also has a barrier disc (20) that underlies the top panel, but is out of engagement with a rim (32) of the container (30) when the closure assembly is applied to the container. The closure element has an integral sealing fin (22) with an inner end (24) as a first portion and an outer end (26) as a second portion, and the outer end, as molded, extends inwardly and downwardly from a distal end of the first portion.

Abstract: A sealing gasket for closure, made of a polyurethane elastomer obtained by reacting the following (A) and (B): (A) a polyisocyanate component having an isocyanate group content of 5 to 38% by weight and average 2 to 3 functional groups, obtained by modifying an aliphatic isocyanate and/or an alicyclic isocyanate, and (B) a polyol component having a hydroxyl value of 20 to 350 mgKOH/g and average 2 to 3 functional groups; and a process for producing a closure using such a sealing gasket. The closure sealing gasket made of a polyurethane elastomer, obtained by the present invention, when used for a closure (e.g. a metal closure of food container), causes no yellowing by ultraviolet light, has a strength at least equal to those of sealing gaskets produced from an aromatic isocyanate.

Abstract: A child-resistant closure and container package includes a container having a finish with an external thread and pockets in the thread. A closure has a base wall, a peripheral skirt with an internal thread and lugs on the internal thread for receipt in the pockets, and a spring element on the base wall for engagement with the container finish to bias the closure away from the container finish and resiliently urge the lugs into the pockets. A liner is urged by the spring element into engagement with the container finish. The liner may include a base with metal and plastic layers for induction-welded sealing engagement with the finish such that, upon removal of the closure, the metal and plastic layers remain secured to the finish and the liner base is removed with the closure. The metal and plastic layers may be removed by a user for access to the contents of the container, and the liner base continues to serve as a package seal during use of the package.

Abstract: A sealing mechanism for a container for sealing an interface between two or more of the structural members, including a container body, a pouring spout, and a closing cap, includes an outer annular edge formed as part of a threaded neck opening for the container body, a radial lip formed as part of the pouring spout and being positioned in contact with the neck portion and the closing cap being configured so as to be attachable to the container body for closing the opening and being constructed and arranged so as to seal against the outer annular edge when attached to the container body.

Abstract: A closure (10) that is suitable for attachment to a container (20) having an end portion defining an opening of the container. The closure (10) comprises a top portion (11) and a skirt portion (12) depending from the top portion. The closure (10) also has a sealing rib (14) having a first sealing portion (15) which is contiguous with the top portion (11). The first portion (15) has an inner surface made up of at least a first substantially cylindrical surface portion (17) lying radially inwardly of the first surface portion (17). The rib (14) further includes a second sealing portion (16) that is separated from the top portion (11) by the first portion (15) and which, prior to attachment of the closure to the container, extends inwardly to a free edge. The closure (10) further has a continuous nub member (28) extending downwardly and outwardly from the underside of the top portion (11) and positioned radially inwardly of the first sealing portion (15).

Abstract: A plastic closure for sealing a container, the closure having a top portion and a skirt portion depending from the top portion. The closure has an annular sealing rib which extends within the cavity defined by the top portion and the skirt portion. The rib includes a first portion having a substantially cylindrical inner surface extending away from the underside of the top portion and disposed radially inward of the skirt and a second, frusto-conical, portion contiguous with the end of the first portion distal to the underside of the top portion and extending radially inwardly and terminating in a circular free edge, such that during engagement of the cap with the neck of the container, the second, frusto-conical, portion will be engaged by the free end of the neck and folded back against the first portion of the rib to form a gas-tight seal between the neck of the container and the closure.

Abstract: A cap, which can be attached to a container having an annular opening, includes a top wall and an annular skirt portion. The top wall includes an inner surface and rigid sealing members which seal an inner and outer edge of the opening through the engagement of first and second rigid members with edges of the opening and which exert a force on the container to cause the container to attach in a proper position. The annular skirt portion, disposed along an outer circumference of the top wall and extending downwards, includes internal threads configured to seal the cap onto the container, longitudinal ribs for increasing the friction on the annular skirt portion, and a pilfer band.