191results about "Expansible closures" patented technology

A cap unit (10) for a container (38) has a cap (20) and an annular skirt (12). The skirt (12) is mounted in the container (38) defining an aperture, the cap (20) being movable between a first position and a second position. In the first position the cap (20) covers the aperture and seals it, and in the second position the cap uncovers the aperture, the cap (20) being journalled pivotably around an axis (26) perpendicular to the plan defined by the aperture and placed outside the aperture so that the cap may swing between the first position and the second position. Furthermore, the cap (20) and the skirt (12) have respective claw-formed catching means (14, 16, 18) which are adapted to fix the cap (20) in relation to the skirt (12) and allow the cap (20) to swing from a first to a second position. The cap unit (10) has driving means (34) for production of swinging of the cap (20) and the cap unit (10) has an inflatable sealing ring (22) mounted in the cap (20) for sealing against the upper surface of the skirt (12) when the cap (20) is in its first position, or alternatively mounted in the skirt (12) for sealing against the opposite surface of the cap (20).

A stopper for an opening of a container such as a thermos. The stopper includes a pushbutton, a fluid flow channel extending between an inlet and an outlet, and a movable plug portion positioned adjacent the inlet. A biasing member biases the plug portion into sealing engagement with the inlet thereby preventing the contents of the container from flowing into the channel. A cam follower is disposed upon a cam surface opposing the biasing member. The cam follower is rotatable by the pushbutton relative to the cam surface from a closed position to an open position and when so rotated, exerts a biasing force on the cam surface sufficient to overcome the biasing force exerted by the biasing member on the plug portion and space the plug portion from the inlet allowing the contents of the container to flow into the channel and out the outlet.

In one aspect the invention provides a bottle stopper for a wine bottle or the like, which bottle stopper comprises a body having a sealing member which sits within the peck (1) of the bottle in use and which extends radially outwardly from the body of the stopper to seal the bottle neck, the stopper further having a passageway extending upwardly therethrough to communicate with the interior of the bottle and which incorporates or communicates with a chamber within the stopper in which is housed an oxygen-scavenging medium. In a further aspect the invention provides a bottle stopper for a wine bottle or the like, which bottle stopper comprises a body having a sealing member (30, 31) which sits within the neck of the bottle in use and which extends radially outwardly from the body of the stopper to seal the bottle neck, the bottle stopper further having a mechanism for compressing the sealing member substantially axially of the stopper to expand the sealing member laterally / substantially radially of the stopper into sealing contact with the neck of the bottle.

A container (1) is intended for filling with a hot liquid (21). The container (1) has a neck finish (2) with an opening closed off by a primary seal (4) which has an expandable side wall (4a). As the liquid (21) cools, the side wall (4a) is drawn into the container (1) to remove vacuum pressure created within the container (1). A permanent cap (25) can provide a secondary seal for the container and define a secondary headspace (24b) between the primary and secondary seals (4) (25). In other embodiments the seal (4) can be replaced by a mechanically movable seal which may be locked in its downward position. Also the secondary seal can be provided with a port or aperture to provide access into the secondary headspace for a commodity. Also a commodity such as a tablet or pill may be provided within the secondary headspace

A volumetric displacement dispenser and method of using the dispenser is disclosed for dispensing liquid contents from an interior of a bottle with a bottle neck while preventing air from filling a void created within the interior of the bottle caused by the liquid contents being poured out of the bottle by gravity. The dispenser includes a stopper having first and second boreholes extending there through, the stopper being adapted to form an air-tight seal when it is seated into the bottle neck. An air pressure tube routed through the first of the boreholes has a first end open to atmospheric air and a second end open to the interior of the bottle. An expandable volumetric displacement balloon is attached to the second end of the air pressure tube and a one-way liquid valve is disposed in the outlet of the liquid flow channel in the stopper.

A seal container includes a container, a lid, a knob fitted on the lid, a soft seal fitted over a lower side of the lid, and a depressing member arranged under the knob and connected with a middle of the seal at a lower end; the depressing member has several slopes on an annular edge; the knob has projections, which are spaced on an annular edge, and touch the slopes respectively; the depressing member will move down, and the seal will be depressed at the middle to reduce in circumference immediately after the knob is turned to such a position that the projections touch higher ends of the slopes; the seal will stretch to a normal shape to seal the container immediately after the knob is turned to such a position that the projections touch lower ends of the slopes.

An expansible bottle stopper includes a body, a resilient member, and a movable member that is longitudinally movable relative to the body. The resilient member is caused to expand radially by a first-stage longitudinal displacement of the movable member relative to the body or to shrink radially by a second-stage longitudinal displacement of the movable member relative to the body.

A sealing cover includes a base, a lower lid, and a soft, deformable gasket mounted between outer peripheries of the base and the lower lid. An upper lid includes a positioning hole having an inner periphery with higher and lower positioning grooves, with a lower positioning groove located between two adjacent higher positioning grooves. A positioning ring includes upper and lower positioning protrusions. The upper lid can be pressed and moved downward relative to the lower lid, so that the pressing member presses against the upper positioning protrusions of the positioning ring, causing rotational movement of the positioning ring through an angle and changing the spacing between the base and the lid. When the upper lid is released, the upper positioning protrusions are engaged in higher positioning grooves or the lower positioning grooves so that the sealing cover is in a sealing state or an unsealing state.

A bottle closure including a shell having an open first end, a closed second end, an inner wall and an outer wall, the combination forming conical space and a tapered core having a first end, a second end and conical surface positioned between the first end and second end wherein the tapered is located in the shell conical space.

A bottle stopper mainly includes a body, a plug and a jacket. The body has an expansion spread by the plug and outwardly confronting with the jacket. The plug comprises two necks for two different engagements alternatively engaged with the body to provide a locking means and a resealing means for bottle neck. The body is structurally retained between the plug and the jacket being assembled as a unit to form the bottle stopper. When the bottle stopper is initially inserted into a bottle neck and pressed to position at the first engagement, the locking means provides a maximum expansion to lock around the bottle neck. And it has an appearance and a function of indicating whether the bottle neck has previously opened or the stopper has been used. When the bottle stopper is pressed downward positioning at the second engagement, the resealing means provides a slightly expansion for allowing to initially release and reseal the bottle neck.

A hermetic container includes a container body, a cap unit, and a control unit. The cap unit is disposed to cover a mouth of the container body, and has an outer cap, a mid cap, and an inner cap having a sealing ring that is movable toward and away from the mid cap and that can be pushed by the mid cap to abut against the mouth when moving to the mid cap. The control unit includes a release button depressably inserted into the cap unit, a sealing button inserted into the cap unit around the release button, and a lever unit connected to the inner cap to interact with the sealing button. The sealing button is movable relative to the release button to switch between a sealing position and a non-sealing position.

The present invention relates to a lid for a container, which lid is capable of sealing and being removed from the container through simply rotating a handle mounted on the lid. The lid comprises two parts to provide the ease of cleaning of the lid. The two parts of the lid can be conveniently disassembled by pushing at least one locking plate provided on the lid, and can be easily re-assembled. The present invention also provides a sealing ring which provides better sealing effect and easier mounting. A container comprising the sealable lid and the sealing ring is also provided.

The present invention relates to a closure system for a bottle designed for commercial bottling of a beverage or liquid food, preferably a wine bottle. The closure system comprising a stopper having a stopper part for introduction into a mouth of the bottle and a head part for remaining outside of the mouth, the head part having a diameter which is larger than that of the stopper part. The closure system also comprises a sealing element which is separate from the bottle and from the stopper. The closure system is configured such that the sealing element is forced against the inner wall of a mouth of the bottle, upon introduction of the stopper into the mouth, bringing the closure system into a locked state, and the stopper part comprises interlocking means to engage with counterpart interlocking means on the sealing element. The said interlocking means are configured to permit bringing the closure system into an unlocked state by an action which comprises rotating the stopper with respect to the bottle. The stopper part of the stopper also comprises a holding means configured to form an interlocking connection with counterpart holding means of the sealing element, to hold the stopper in a secured position with respect to the sealing element when the closure system is in a preassembled state.The present invention also describes a method of preassembling the closure system for a bottle and a method of closing a bottle using the preassembled closure system.

A pressure-sealing, pressure-monitoring closure for non-invasively sealing a reaction vessel to a defined release pressure in microwave-assisted chemistry is disclosed. The closure includes a pressure-resistant, microwave-transparent reaction vessel, one portion of which defines a mouth, a flexible pressure-transmitting releasable cover assembly on the mouth of the vessel, a pressure transducer on the cover and external to the vessel for monitoring the pressure in the vessel as exerted against the flexible cover, and a clamp for urging the vessel, the cover and the transducer together under a defined force so that when the pressure in the vessel exceeds the defined force, the cover can flex and release the pressure from the vessel.

A flange connection for connecting e.g. two sections of a tube or pipe comprises two flanges and a sealing ring inserted into an annular sealing space defined by radial faces and axially extending peripheral walls between the flanges. The sealing ring has an annular main body and an outer periphery with a cross-sectional shape that has legs extending outwardly from the main body. These legs, in a condition prior to application of sealing pressure, are inclined away from each other and have rounded outer ends that abut both the radial faces and the peripheral walls defining the annular sealing space. The legs, in a condition where the flanges are forced against each other, are axially compressed and upset at least in a radial direction by plastic flow of material on the outer ends in sealing engagement with the axially extending peripheral walls. Preferably, the sealing ring is formed with an annular shoulder that extends radially outwardly from an outer peripheral area of the main body and that is centrally located between the legs.

A bottle lid provides a fluid tight seal that holds liquid contents in a bottle within the bottle, while preventing unwanted entry of another liquid or a gas, such as air, into the bottle, and in te case of a carbonated liquid in the bottle, maintains the carbonation while preventing the build up of internal overpressure in the bottle. The bottle lid includes a cap, and a lever actuated operating member, placed in the mouth of the bottle, with having a sealing element on the operating member. Actuation of the lever causes an elastic deformation of the sealing element, which expands radially outwardly against the inner wall of the bottle to provide the fluid-tight seal.

An auxetic structure consistent with the present disclosure may include a core cell, capable of rotation, including a plurality of first rib sections, and a plurality of second rib sections. The first rib sections may be transverse to a longitudinal axis of the auxetic structure and at least one of the first rib sections may extend from the core cell. The second rib sections may be transverse to a transverse axis of the auxetic structure and at least one of the second rib sections may extend from the core cell.

A vacuum sealing cap for a container includes an outer cap body, an inner cap body movable toward or away from the outer cap body, a sealing gasket compressible by the outer cap body to abut sealingly against the mouth of the container when the inner cap body moves toward the outer cap body, a slide member connected to the inner cap body, and an operating member connected pivotally to the slide member and pivotable between first and second positions, where the operating member pulls upwardly and pushes downwardly the slide member to move the inner cap body upwardly toward and downwardly away from the outer cap body. The sealing gasket is pressed and is not pressed sealingly against the mouth of the container in the first and second positions, respectively.

The synthetic closures disclosed herein are made from novel compositions that comprise a thermoplastic elastomer, polypropylene, a foaming agent, and a plurality of gas-encapsulating thermoplastic microspheres. Without necessarily prescribing to any scientific theory, it is believed that the gas-encapsulating thermoplastic microspheres in combination with the other ingredients provide a feed material especially useful for manufacturing synthetic closures having an appropriate combination of physical properties like, for example, density, oxygen permeability, hardness, extraction or removal force, compression percent recovery (over selected periods of time), and compression force (to compress closure to a smaller diameter).

A plug and a method for fixing at least two devices, includes a tension element, a pin, a lever element and a compression element. In one example, the tension element includes a tension stamp on a first end and a coupling member on a second end and a lever element includes a first sliding and a coupling element, with the pin coupling the lever element with the tension element. A compression element having an area-shaped contact that is capable of sliding onto the tension element until the area-shaped contact contacts the tension stamp. When the lever element is coupled to the tension element by a pin and is engaged by using a lever movement, a compression element is compressed by shortening a distance between the tension stamp and the lever element.

A closure for the open mouth of an airtight container. The closure has a resiliently flexible diaphragm which has a peripheral edge (37) which can sealing engage against an inside wall surface of the open mouth. The diaphragm (13) is engaged with the second cover section (12) of a cover. A pair of toggles (24) are pivotally mounted on axles (22) of second cover section (12). The levers (30) of the toggles (24) extend through an opening (44) in the first or outer cover section (11) when the first and second cover sections (11,12) are snap-locked together. By moving the levers (30) toward one another the respective feet (27) of the toggle (24) engage with area (35) of the diaphragm (13) to deform the diaphragm and thereby break a sealing effect between the peripheral edge of the diaphragm and the inside wall surface of the open mouth.

A stopper assembly for sealing an opening of a vessel has a threaded body having a tapered head; an elastic jacket fitted over a portion of the body; a retention housing fitted over the body and jacket, the retention housing retaining the jacket from lateral displacement there through; and a turning nut attached to the retention housing and threaded to the body. A user inserts the stopper assembly into the vessel opening, holds the retention housing stable, and turns the turning nut causing travel of the threaded body through the retention housing and deformation of the elastic jacket against the tapered head, deformation thereof directed radially outward to make peripheral contact with the inner surface of the opening affecting a seal of the opening.