Abstract: A receptacle includes an upper portion having a cylindrical portion and an open end and a lower portion depending from the upper portion, where the lower portion is tapered and has a closed bottom end. The receptacle may include a radially-extending annular ring with a flat or sloped bottom surface and disposed on an outer surface of the receptacle at a transition between the upper portion and the lower portion and/or a radially-projecting lip circumscribing the open end, which may be configured for inter-locking engagement with a mated cap inserted into the open end of the upper portion. Embodiments may include one or more longitudinally-oriented grooves formed in an inner surface of the upper portion. The receptacle may be a unitary plastic structure.

Abstract: A screw closure (10) has a screw cap (1) and a tamperproof band (5). The screw cap (1) has a head plate (2) with a cylindrical lateral cap surface (3,provided with an internal thread (4) and wherein the tamperproof band (5) has a flexible band (6) and is connected to the lower periphery of the lateral cap surface (3) via one or more easy-tear elements (7). In order to create a screw closure which has a flexible band and, even with relatively large tolerance deviations between the closure and container neck, still ensures that the tamperproof band can be reliably torn off is thus providing enhanced functional reliability. The flexible band (6) is a continuously encircling flexible band which, distributed over its circumference, has portions (8) which can be extended easily and, therebetween, portions (9) which are less easy to extend.

Abstract: A closure and container combination where the closure has flanges that define a channel capable of receiving a portion of the neck of a container and forming a surface seal therewith.

Abstract: A method of compression molding a plastic article, such as a closure, includes providing a molten polymeric material, comprising a mixture of at least one molten polymer and a gas blended therein. The polymeric material is molded between cooperating male and female molds, with relative movement of the molds controlled to form a mold cavity with a predetermined volume. Formation in this manner acts to produce a molded closure with substantially reduced density, thus achieving desired material savings, while still providing a closure or like article exhibiting desired performance characteristics.

Abstract: A plastic-made cap for a vial having a lip, said cap being useful as a separation-preventing cap for a plug that seals up an opening of the vial, includes a top wall portion having an outer circumference and centrally defining an opening, and a cylindrical skirt portion extending downwardly from the outer circumference of the top wall portion and being open at its lower end. The skirt portion has an inner diameter (a) greater than an outer diameter (b) of the lip of the vial. The skirt portion is provided on its inner wall with plural ribs formed in a direction perpendicular to the top wall portion. The plural ribs are arranged in pairs at equal angular intervals between the respective pairs of ribs. Further, engagement claws are arranged between the respective pairs of ribs such that the engagement claws can be brought into engagement with an underside of the lip of the vial.

Abstract: The invention relates to a closure system for containers comprising a threaded plug (1) and the neck (3) of the container (2) or the similar embodied in the form of an pouring aperture (5), the threaded plug being screwed on the neck in such a way that said pouring aperture is closed. The inventive closure system for containers is characterised in that it is embodied in the form a single-use closure system which comprises an extensible flange (15) arranged at the level of the threaded plug in the back clamping area of the flange (7) of the neck (3) embodied for this purpose. The external radial size of said extensible flange is greater than the radial dimension of a hole defining the back clamping area of the flange. The extensible flange can, for example be engaged in the pouring aperture (5) of the neck (3), and the back clamping zone (7) can be provided in a pouring passage (4) in a neck part.

Abstract: The present invention is directed to a closure with an improve sealing means. The sealing means is three-dimensionally shaped an inserted into a closure shell. The sealing means comprises a sealing disc with a side seal. The sealing disc positively engages with the outer shell of the closure.

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: The present invention provides a container closure, including: a metal closure shell having a top surface and a bottom surface, the top and bottom surfaces having at least one varnish coating thereon; a detachable sealing liner in contact with a portion of the bottom surface; and a print layer containing a polyester ink and interposed between the bottom surface and the liner; wherein the liner includes a PVC resin, wherein the print layer is in direct contact with the liner and the varnish coating on the bottom surface. Other embodiments include methods for making and using the closure.

Abstract: A twist-off closure for use with a bottle having a neck, a lip and a ledge surrounding the neck and a plurality of ramp sections. The closure includes a top wall, a skirt and a plurality of tabs extending from the bottom edge of the skirt. The tabs are T-shaped and include a cross arm extending adjacent to the free end of the stem. The cap is made from a steel sheet coated with tin and a varnish or lacquer layer with the edges of the cap being formed by pinch trimming so that a corrosion-resistant layer of tin substantially covers the edges.

Abstract: A safety cap for a dispenser shaped to prevent choking thereof, particularly in small children. Specifically, the cap includes a lid portion including an attachment portion for securing the cap to the dispenser, and a flange portion extending radially from a lower portion of the lid portion to prevent the cap from becoming a choking hazard when removed from the dispenser. The flange portion is also shaped to complement a corresponding portion of the dispenser. Preferably, the flange portion is shaped to extend from the lid portion of the cap at an obtuse angle therefrom wherein the dispenser includes an upper surface which is also at the same angle. The safety cap of the present invention may also include a rotational assistance member which is attachable to the lid portion of the cap for frictionally engaging the flange portion.

Abstract: A container closure assembly having a container neck and a closure for said container neck. The closure is retained on the container neck by a screw thread on at least one of the closure and the container neck. A sealing mechanism is provided for forming a seal between the closure and the container neck when the closure is at a sealing position on the container neck. Furthermore, there is an urging mechanism co-operating between the closure and the container neck when the closure is near the sealing position to urge the closure into the sealing position independently of whether an external closing torque is being applied to the closure, and thereafter the urging mechanism maintains the closure in the sealing position until a sufficient external release force is applied to the closure.

Abstract: A holder having a sealing cap portion for craft paint applicators. The holder includes a lower base portion with an interior cavity formed in the upper portion of the holder. A threaded portion is formed therein for mating engagement with a threaded portion on the applicator bottle. The interior cavity terminates in an end wall portion that seals the dispensing end of the applicator tip from air circulation and from leakage. The applicator is inserted in the interior cavity of the holder and twisted to lock the applicator tip in the holder so the applicator tip is sealed within the holder. This allows the base portion of the holder to support the applicator in a inverted position. Since the applicator is inverted, craft paint is always in fluid contact with the inner surfaces of the applicator tip.

Abstract: A container assembly has a container with a body and an elongated neck of generally circular cross section and having threads adjacent its upper end. The neck also has a ring adjacent its lower end with a downwardly and outwardly flaring surface. Engaged on the neck is a cap with an elongated tubular body portion extending downwardly about the neck. The inner wall of the body portion adjacent its upper end has threads which are engaged with the threads of the neck, and the inner wall of the lower end of the body portion tapers downwardly to a greater diameter and resiliently bears against the outer edge of the ring.

Abstract: A top for sealing an elongated tube such as a test tube, a blood drawing tube or the like has a tubular body with a closed upper end, a depending sidewall and an opened lower end which form an open ended tube receiving chamber. The lower end of the sidewall tapers outwardly and forms an enlarged entrance. An annular sealing rib, which is formed at the upper interior corner of the tubular body, extends inwardly into the tube receiving chamber and sealingly engages the lip of the tube when the top is in place. An annular gripping rib, which is formed in the sidewall below the sealing rib, grippingly and sealingly engages the sidewall of the tube. A lower rib, which is formed below the gripping rib, facilitates placing of the top on the tube and gradual breaking of the seal when the top is removed. A thumb tab at the lower end of the sidewall assists in the removal of the top from the tube.

Abstract: A metal closure cap is described for sealing containers. It is of the lug type having a metal shell with a flowed-in gasket. The cap differs from prior twist caps of this general type by having a tapered corner between the cap top and the cap skirt. This corner design permits a reduced amount of metal to be used and further provides a more rigid closure corner permitting the use of lighter-weight metal. Improved methods of forming the cap shell, including the corner portion are also described.

Abstract: A tear-off closure having a collar flaring downwardly and outwardly from a terminal edge of a cap portion of the closure, the collar provided to shield a portion of a bottle with the closure applied thereon from contamination. At least one line of weakening is provided in the collar to enable tearing at least the collar for convenient removal of the closure from a bottle.

Abstract: A composite container for fluent materials in the liquid or semi-frozen state is disclosed, together with a method for making the same. The container includes a vertically arranged body member that is flared at its upper end, and an end closure member is provided including a circular central panel portion arranged within and extending across the upper end of the body member, annular chuck wall portion extending upwardly from the central panel portion adjacent the flared portion of the body member, and an annular connecting flange portion extending radially outwardly from the upper end of the chuck wall portion. The invention is characterized in that the connecting flange and chuck wall portions cooperate with the flared portion of the body member to define an annular space in which is arranged a resilient annular mass of sealing material.