A pull-off closure for containers having an opening whose end portion defines an annular collar projecting externally; the closure including: an upper portion shaped in the form of a shell having an upper face from which extends a collar, which can be turned over to abut on the annular collar of the container, during capping of the container, the upper face and the collar forming, at their connection, an annular edge; lines of weakness formed on the upper face and on the collar forming an opening strip which extends in a tab extending beyond the collar; a gripping element which can be associated with the tab, wherein the lines of weakness extend on the collar outside the annular edge.

The invention described herein relates broadly to closure assemblies, and methods of use and manufacture thereof. More particularly, certain embodiments relate to assemblies and methods for closing an opening defined by a spout provided on a flexible container utilising a capping member having a plugging portion and a substantially fracturable retaining skirt. Embodiments provide may an adequate seal for the contents contained within bags against the significant pressure placed upon the closure by the often weighty and voluminous contents of the packaging. Furthermore, the closure may be easily and comfortably removable by a user whilst managing the handling of the bag.

The present invention relates to a top lid for beverage cans, with an opener built into a hygienic cover. The hygienic cover is designed to cover the area around the opening part defined in the top lid, thereby protecting the contact portion of the lip of the top lid from atmospheric impurities and keeping the can clean during storage. The hygienic cover also has an opening system that presses on the opening part of the lid and breaks the part along the recessed seam when the cover is levered. The opening system has a reinforcement notch that improves the rigidity of the opening system, such that the opening system reliably breaks the opening part of the lid without failure, even if a high pressure is acting on the inner surface of the opening part. The configuration and arrangement of the notch in the opening system can be changed freely according to the design conditions of the can, or the internal pressure acting on the opening part and the size of the can. The hygienic cover also includes a handle that can be operated by the user with the fingers in order to lift same. This handle makes it easy for a user to grip and handle the cover while lifting said cover in order to open the top lid of the beverage can.

A closure body (40) is provided for installation with a liner membrane (52) on a container (44). The closure body (40) has a peripheral portion (74) for being mounted on the container (44) around an access opening (48), and a separable portion (82) that (i) is disposed laterally inwardly of the peripheral portion (74); (ii) is initially connected to the peripheral portion (74) by at least one frangible connection (86); and (iii) can be separated from the peripheral portion (74) upon breaking of the at least one frangible connection (86). The closure body (40) has an opening member (94) that is connected with the separable portion (82) to accommodate movement of the opening member (94) relative to the separable portion (82). The opening member (94) has a grippable portion (102) and a puncture portion (106) each disposed in an initial inactive orientation relative to the separable portion (74).

Disclosed is a sealing cover, which is suitable for sealing an opening of a container, comprising an extrusion lid and a flexible sealing ring, wherein the container has an opening, the extrusion lid comprises an outer cover, an inner shield cover, a screw rod and a knob, the outer cover covers the opening, and the inner shield cover is arranged in the opening and is located under the outer cover; the screw rod movably penetrates the outer cover, the lower end of the screw rod is fixedly connected to the inner shield cover, and the upper end of the screw rod is connected in a threaded manner to the knob; and the flexible sealing ring is sheathed on the screw rod and is located between the outer cover and the inner shield cover, and when the knob is rotated, the screw rod drives the inner shield cover to move upwards and squeezes the flexible sealing ring to force the flexible sealing ring to be attached to an inner circumferential wall of the opening after expansion to form a seal. The sealing cover provided by the present invention can seal the opening of a container, and the sealing cover has a simple structure, is convenient to use, and has a good sealing effect.

A stopper for a container neck, comprising: a skirt having a generally tubular shape and being centered on an axis, the skirt being adapted to surround a neck of a container, and being provided internally with a snap-on member adapted to fasten the skirt to the neck in a removable manner by jamming the snap-on member with an external projecting boss of the neck of the container; and an opening strip having a generally annular shape and including a peripheral portion that is permanently connected to a peripheral portion of the skirt, the strip being movable relative to the skirt between: a first position, in which the strip surrounds an external lateral surface of the skirt, by providing an annular space radially between the external lateral surface of the skirt and an inner surface of the strip; and a second position, in which the inside of the strip is substantially detached from the skirt in order to enable the strip to be manually grasped so that the skirt is unsnapped from the neck.

An automated stopper and opener includes: a sleeve housing that is able to fit within a neck of a container; a mechanical feature that is able to vary a force applied to an internal surface of the sleeve such that a seal is able to be formed or released within the neck of the container; and an electronic controller that is able to manipulate the force applied to the internal surface of the sleeve by at least partly directing operations of the mechanical feature. An automated stopper includes: a cylindrical sleeve; a mechanical element that fits within the cylindrical sleeve and has a variable outer diameter; a communication interface that is able to receive commands from a user device; and a controller that is able to interpret the received commands and direct the mechanical element to control the variable outer diameter. A system includes automated stoppers and a user device.

A bottle stopper adapted for self-opening and self-plugging a bottle, comprising a cylindrical cover having a bottom end and a top end. The cylindrical cover is sized and shaped to plug a bottle. A cartridge is encompassed by the cylindrical cover and has a fluid chamber; the cartridge also has at least one lateral protrusion thereon to form between the cartridge and the cylindrical cover. There is at least one fluid channel for fluidly connecting between a space below the bottom end and above the top end. A conduit having at least one inlet and at least one outlet is for fluidly connecting transferring the fluid of the fluid chamber to outside of the bottle stopper. An activation cap is mounted to push the conduit along a longitudinal axis of the cylindrical cover from a closed state to an open state.

A pull-off closure for containers having an opening whose end portion defines an annular collar projecting externally; the closure including: an upper portion shaped in the form of a shell having an upper face from which extends a collar, which can be turned over to abut on the annular collar of the container, during capping of the container, the upper face and the collar forming, at their connection, an annular edge; lines of weakness formed on the upper face and on the collar forming an opening strip which extends in a tab extending beyond the collar; a gripping element which can be associated with the tab, wherein the lines of weakness extend on the collar outside the annular edge.

The present utility model relates to a structural arrangement for a bottle cap, belonging to the technical field of packaging accessories in general, more particularly to a cap for beverage bottles, such as beer, water, soft drinks, or any other drink or product for which the bottle is used as a packaging container, producing convenient, safe and functional results which are very advantageous. The innovation comprises a cap (10) to which an opening device (30) is coupled by a clip in the central top part. The cap (10) has a breaking zone (101) and a central hole (102) for coupling the clip (20) which links the cap (10) to the cross-shaped opening device (30) which forms four levers (302) with protruding projections (303) on the top surface and with a piercing point/tooth (304) on the underside of each lever (302), which pierces the breaking zone (101), allowing the inner pressure to escape and thus making it easier to remove the cap (10) with the lever formed at the opposite end.