Abstract: A plastics closure for a can end of the kind having a pouring aperture and a venting aperture comprises a first connecting member which connects a vent plug and a pouring aperture plug and is extended to form a pull tab acting directly on the vent plug. The plugs are rupturably sealed over the respective apertures of collar portions connected by a second connecting member and fitting in the venting aperture and the pouring aperture. Flexible tie means extend from the pouring aperture plug to flexible hinges joined to the venting aperture collar. When the pull tab is lifted the vent plug is torn away from the venting aperture collar to achieve dry venting before the pouring aperture plug is torn away to complete opening for pouring. The plugs are retained captive by the tie means for reclosure of the apertures.

Abstract: A tear open plastics closure for a can end having a pouring aperture and a venting aperture comprises respective annular collar portions fitting in an airtight manner in the apertures and plugs rupturably sealed over the mouths of the collars and capable of being forced back into the collars to re-seal the apertures, the plugs being connected together by a connecting member which is flexibly connected (e.g. by a step piece and a yoke) to one of the collar portions. The connections between each collar portion and the other parts of the closure ensure that the collar portions can tilt and move laterally relative to one another. For example, the collar portions may have no direct connection with one another but be attached solely to the plugs and by the flexible connection of one collar portion to the connecting member. Alternatively they may be connected by a narrow flexible bridge.

Abstract: A bottle closure cap stampable from sheet metal as a shallow cylindrical inverted dish having a rounded juncture forming a fillet between its crown and its cylindrical wall; a layer of elastomeric material being disposed in the fillet and engageable with the axial end of the bottle when the cap is attached. A generally radially extending rip tab is integral with the cylindrical wall at the bottom edge thereof and is adapted to tear through the cylindrical wall by a generally circumferential pull of the user to gain access to the container. A rip line is provided commencing at a corner defined by the bottom edge of the cylindrical wall where it meets the rip tab. At least one groove is formed in the rip tab extending in the inner surface of the side wall. The rip line extends at a shallow angle across the cylindrical wall, without crossing the groove, continuing to a level which is spaced below the crown, continuing parallel to the crown circumferentially about half-way around the closure cap.

Abstract: A disposable oil can having displacable tab portions on the top and bottom lids, with a connecting rod lodged between the tabs. According to this arrangement, the oil can can be opened manually by pressing downwardly on the upper tab portion to cause the lower tab portion to open for drainage directly into the crankcase of an automobile without utilizing a pour spout. In an alternate embodiment, the upper pre-scored tab portion opens upwardly, and the lower pre-scored tab portion opens downwardly. A pivot bar is attached to the lower tab portion and is coupled to the upper tab portion so that upward movement of the upper tab causes downward rotation of the lower tab portion.

Abstract: A tape closure which is adhesively adhered about a pour opening on the exterior surface of a can end having a first coating over the metallic can end and a second coating over said first coating comprising a vinyl chloride/vinyl acetate copolymer having at least about 10 percent vinyl acetate which is adhered to the tape adhesive with a bond greater than the bond between the second coating and the first coating affording removal of the second coating upon breaking the coating and delaminating the same from the first coating upon removal of the tape.

Abstract: The present invention provides a method for dispensing beer and a dispenser, which have the same effect as conventional methods of discharging beer under the pressure of carbon dioxide gas, to form a plurality of streams of beer when beer is dispensed from a bottle, barrel, can, beer tap, etc. into a receiver. The present invention further offers a metal container which can easily form a plurality of streams of beer. The beer dispensed according to the present invention has a creamy head of foam and a mild, soft taste.

Abstract: The closure includes a pressure equalization element which can be manipulated to expose an aperture (17) in the closure (10) and thereby allow pressure in the headspace of the container to adjust to ambient pressure. The element has an upper member (21a) which overlies the aperture and a lower member (21b) adhered to the underside of the closure so as to lie beneath the aperture and which is connected by a connecting member (27) to the upper member.

Abstract: This relates to a closure for containers, particularly containers such as containers for beverages and the like which are packaged under pressure. The closure includes an outer retaining ring portion and an inner sealing plug portion which are preferably initially molded as a unitary product, but wherein the sealing plug portion is connected to the ring portion primarily by a rupturable connecting line. The retaining ring portion is interlocked with an extreme end of the neck finish of a container and the sealing plug portion is interlocked in sealing relation with an internal shoulder of the container neck finish, which shoulder defines a pour opening. The sealing plug portion is retained in association with the retaining ring portion by a hinge strap which is elongatable under tension. The sealing plug portion is also provided with a vent opening which is normally closed by a vent valve which is held in its closed position by internal pressure and which is movable manually to a vent position.

Abstract: A tape closure comprising a two-tape closure system for a pour opening in a container wherein the pull tab for the closure is secured to the container end by a rupturable nonresealable holddown.

Abstract: An easy opening top closure member assembly for a container having a top member with an aperture of a predetermined configuration. A flexible foil strip member completely covers the top of the aperture. A disc member completely covers the bottom of the aperture. A pressure sensitive adhesive secured to the underside of the strip member holds the strip member securely to the top member and also to the portion of the disc member which covers the bottom of the aperture. The strip member has an open-loop scored portion which is positioned in direct contact with the top surface of the disc member. The open-loop scored portion has an interior hinge portion and two exterior hinge portions are functionally activated on the strip member when the strip is lifted at its one end to open the easy opening top closure member assembly.

Abstract: An easy-openable tape closure for a container for gas-containing beverages and comprising an interior tape spanning a pour opening, an exterior tape sealed to the interior tape in the area of the pour opening and having a vent opening in the area of the pour opening. A pull tab is positioned over the exterior tape and sealed therethrough to the interior tape to provide means for rupturing the interior tape at the vent opening to vent the container.

Abstract: A closure for containers which is inexpensively and easily manufactured and is readily removeable in whole or in part to gain access to contents in the container. The closure comprises a generally flat cap member sealed at its periphery to the mouth of the container. An upstanding tubular member on the surface of the cap is partially surrounded by a score line in the cap and the score line preferably continues all around the cap near its periphery. The tubular member preferably has rigidifying means in its closed top and side walls which can be readily flexed inwardly so that the tubular member can be firmly grasped and pulled to readily initiate a rupture in the score line at a stress-concentrating focal point on that portion of the score line adjacent the tubular member. The cap can then be easily removed by continued pulling of the tubular member.

Abstract: An easy opening closure system comprising a container end portion having an opening and a scored portion adjoining the opening. An exterior tape and interior sheet material cover the opening and sandwich the scored portion. Removal of the exterior tape initiates tear of the scored portion and permits the scored portion to be pulled back away from the opening to enlarge the opening. A preferred easy opening closure system includes a reinforcing member which is adhered to the underside of the scored portion and to the exterior tape in the area of the opening. The reinforcing member facilitates bending of the scored portion away from the opening.

Abstract: A lightweight container of thin metal such as aluminum which is subject to collapse when load is exerted thereagainst wherein the closure and container are made to minimize the application of such load, the container having a pouring neck and the closure having a panel with a groove into which the neck is telescoped and adhesively bonded thereto, the closure being openable by exerting tensile forces thereon for breeching a selected area of the securement of the closure panel to the neck and then fracturing a push-in section of the panel and whereupon minimal forces are required to open the container without imposing undesirable loads thereagainst. The closure also is tamperproof and vents prior to opening.

Abstract: The cap is an ethylene-propylene elastomer cup which is forced over the ends of a pipe section to protect the pipe end from damage and to protect the inside of the pipe from contamination by foreign material. A retaining bead on the outside of the cap lip prevents tearing and holds the cap firmly on the pipe end. The cap wall is about twice as thick as the floor. The outer perimeter portion of the floor is of increased thickness. One or two ring-shaped depressions centered in the floor permit the floor to be expanded radially when the cap is installed, so that a single cap size can be used for various pipe diameters. A ventilating port is provided in the floor.

Abstract: This specification discloses certain improvements in resealable pressure releasing closures of the type disclosed in U.S. Pat. Nos. 4,105,134 and 4,155,480 Debenham et al. In the several improvements disclosed in the specification, the resealing properties of the closure are improved by reducing the concentration of the flexure of the closure at the connection between the closure and the can end to thereby reduce the extent to which the material defining the connection permanently deforms during the opening operation. In one embodiment the pressure releasing closure or tab 20 has a connection 23 to the can end which is at substantially the same level as the adjacent portion of the closure by the provision of an area 26 immediately behind the connection which is downwardly depressed so as to be co-planar with the tab 20.

Abstract: The present can lid has an upwardly-pojecting domed segment, a narrower marginal lip extending radially outward from the domed segment and terminating in intersecting arcuate score lines which are indented in the top of the lid, an upwardly-offset hollow rib extending across the domed segment and across the marginal lip at the ends of the score lines away from their intersection, and a short upwardly-offset hollow rib on the marginal lip at the intersection of the score lines. The short rib has a radially extending score line in the top which facilitates breaking the can lid first at the intersection of the arcuate score lines when the domed segment is pushed in, after which the can lid tears open progressively along these score lines out to the transverse rib.

Abstract: A can end having a push-down gate for opening a can to which the end is affixed and having a push-down gate vent in the primary gate adapted to be opened before the gate is opened to relieve gas pressure from within the can.

Abstract: An improved easy open closure system is described which comprises an interior sheet material and an exterior flexible film. The exterior flexible film is essentially free of adhesive and is secured to the interior sheet material in the area of the opening by means of the adhesive layer of the interior sheet material.

Abstract: The instant invention relates to an end closure or cover for a metal container comprising a substantially flat sheet metal lid seamed about its extremity to the container body closing the body end. The lid has a pour opening having a closure hingeably connected to the lid and closing the pour opening provided to retain the closure against inward displacement thereby resisting atmospheric pressure and premature opening of the container and against outward displacement due to internal pressure during processing.

Abstract: A piece of porous foil larger than the removable portion of the lid of a can is connected to the under surface of the removable lid portion and overlaps the edges defining the can opening on the interior surface of the lid, whereby liquid is prevented from spurting out of the can with escaping gas upon initial partial opening of the removable portion, and the piece of porous foil is fully removable with the removable lid portion.

Abstract: An easy opening container wherein the opening panel is pushed into the interior of the container and wherein, in addition to the opening panel, the single line of weakness also defines a vent panel. The container is provided with an opening tab having a nose divided into first and second nose portions with the first nose portion being operable upon tilting of the opening tab to push in the vent panel to form a vent opening followed by the sequential operation of the second nose portion to push in the opening panel. The second nose portion is interlocked with the container in its fully opened position so that when the opening tab is returned to its initial position only the relatively small and short first nose portion projects into the dispensing opening.

Abstract: An opener for a metal can having cylindrical sidewalls and a top panel, the panel including a pouring tab scored therein, an elongated opener strip having one end attached to the inner surface of the pad at a point adjacent the can sidewall and the other end attached to the inner surface of the top panel at a point adjacent the can sidewall diametrical of the tab, a pop hole scored in the top panel adjacent the center and directly over the opening strip, an opener stick normally lying parallel and contiguous with the can top panel, the opener stick having the inner end affixed to the pop hole tab and the pop hole tab being affixed to the opener strip intermediate its ends so that when the opener stick is pivoted upwardly, the pop hole tab is torn from the panel, providing an open aperture in the panel, following which the opener stick may be downwardly displaced into the can causing the opener strip to apply force on the pouring tab to tear at least portions of the periphery of the tab from the panel exposing

Abstract: An easy-opening can end having a venting aperture and a dispensing aperture each closed by a respective push-in tab, the relationship between the two apertures and the two tabs being such that, should the venting tab close or not be sufficiently opened after depression, depression of the dispensing tab causes the dispensing tab to contact the venting tab to open the latter and to hold it open.

Abstract: A container closure having a tear strip opener wherein the removable panel which is defined by a primary score line includes a secondary score line and a pull tab which is secured to the removable panel at the collar portion formed by the primary and secondary score lines. The pull tab extends transversely with respect to the primary and secondary score lines and a lifting of the free end of the tab will rupture the secondary score line and initiate rupture of the primary score line and twist the collar portion to facilitate subsequent rupture of the primary score line.

Abstract: This disclosure has to do with an easy opening container end wherein substantially the entire end panel is removed. The removable panel portion has rigidly attached thereto a pull tab which is first utilized as a lever to obtain the initial rupture of the end panel and then as a handle to tear out the removable panel portion. The removable panel portion is provided with a weakening line immediately adjacent the connection between the pull tab and the removable panel portion for the purpose of first venting the interior of a container and then forming a hinge which will permit the necessary pivoting of the pull tab relative to the end panel.

Abstract: A tear template is provided for use in an easy-open container closure system of the type employing an exterior tape and an interior sheet material. The tear template, which is located between the exterior tape and interior sheet material, advantageously provides a closure system which is better able to withstand excessive internal container pressures without detracting from the easy open character of the closure system.

Abstract: An easy opening beverage can wherein the closure is of the push-in type. The dispensing opening in the container is defined by a sealing ring into which there is engaged a peripheral flange of the closure member with the closure member being held initially with respect to the sealing ring only by a mechanical interlock. Pressure within the can tightly forces the closure member into sealing engagement with the sealing ring and normally prevents removal. A lever is connected to the sealing ring to effect distortion thereof and bleeding-off of pressure from within the can so as to relieve the holding pressure on the closure member, after which the closure member may be readily pushed into the can in an opening action.

Abstract: An easy opening end unit particularly adapted for packaging granular material such as coffee under pressure and wherein the initial opening of the end unit is by way of a vent opening. The vent opening has underlying the same a baffle plate or diaphragm which is formed of impermeable material and is bonded to the underside of the end unit.

Abstract: An easy-opening can end includes a dispensing opening covered by a pivoting tab located on the interior side of the end. The pivoting tab is adapted to be pushed inwardly so as to break the seal at the dispensing opening and subsequently pivoted to the open position in response to movement of a finger engageable portion. The tab is fastened to the can end at an area of pivotal attachment. The area of pivotal attachment is connected to the can end by a peninsular region and separated from a part of the can end by a score or a lance line. Prior to pivoting the tab, the area of pivotal attachment is depressed at the score or lance line to vent the can.

Abstract: An improved easy open closure system is described which includes a combination of center vent opening, pour hole, exterior tape and interior sheet material suitable for containers having therein a pressurized beverage. The exterior tape comprises a grip portion and body portion, the grip portion sealing the center vent opening and overlapping the body portion, which seals the pour hole.

Abstract: Improved depressible tab provided with a nose for easy open end closure members and the like, wherein an improved pressure relief means in the form of a unique vent arrangement is incorporated in the nose portion of the depressible tab.

Abstract: A sanitary drinking spout interiorly attached to a liquid container and extendable therefrom. The container includes a top wall with an aperture sealed by a tear tab. The spout includes a pair of flanges integrally attached together and spaced apart by a flexible center portion. The flanges are interiorly mounted to the top wall on opposite sides of the sealed aperture. The center portion of the spout is projectable when the aperture is opened by tearing the tab sealing the aperture closed. In one embodiment, a finger is mounted interiorly to the tear tab with the spout projecting between the finger and tear tab. Upon removal of the tear tab from the can, the finger forces the spout outwardly through the aperture. In another embodiment, a second aperture is provided on the top wall of the can for allowing air to enter the can facilitating pouring through the spout.

Abstract: A push-in pressure releasing resealable closure for an aperture in a sheet metal container member is disclosed, wherein the closure is integral through a connection of metal to the remainder of the container member. The closure is designed so that it is depressible into the container by flexing about the connection when push-in force is applied to the closure, without exceeding the elastic limit of the connection, so that the closure is returned at least substantially to its original position to seal the can contents, upon removal of the push-in force from the closure.The closure is particularly suitable for use in containers for carbonated beverages, such as carbonated soft drinks and beer, so that the gas pressure within the container may be released without danger of substantial gushing or spurting, to permit a larger pouring opening in the container member to be opened.

Abstract: A beverage can opener which comprises--in combination with the top of a metallic beverage can--a hinged-end tear strip defined on said top by scoring thereof, a hinged-end tear flap defined on said top by scoring thereof, the tear strip and tear flap being spaced diametrically on the can top, an initially separate finger-engageable, ring-form pull tab connected to the tear strip exteriorly of and initially flush with the can top, and an initially separate tension strap connected between the tear strip and the tear flap internally of the can and initially flush with the underside of the can top; sequential manual lifting of and pulling motion on the pull tab severing said tear strip, except at one end providing a hinge, from the can top whereby a vent is formed in said can top; such motion--at the same time and as a transmitted force imposed by the tension strap on the tear flap--severing said tear flap, except at one end providing a hinge, from the can top and bending such tear flap into the can, thus produci

Abstract: A one piece container end member of metallic sheet material having an exterior rim portion for mounting on an open ended container member; a central wall portion surrounded by the exterior rim portion and extending generally radially inwardly relative thereto for closing the open end of the container body member; an integral inwardly severable and displaceable tab portion in the central wall portion extending generally radially inwardly from the exterior rim portion; the tab portion being hingedly integrally connected to the central wall portion by a generally arcuately extending hinge portion; the tab portion being defined by at least one continuous score groove extending from arcuately spaced points adjacent the interior rim portion on opposite sides of the hinge portion generally radially inwardly therefrom toward the central axis of the container end member with intermediate score groove portions extending along substantially straight lines and being connected adjacent the central axis by a curved interme

Abstract: An easy-opening can end includes a dispensing opening and a vent hole covered by a pivoting tab located on the interior side of the end. The pivoting tab is adapted to be pushed inwardly so as to break the seal at the dispensing opening and subsequently pivoted to the open position in response to movement of a finger engageable portion.

Abstract: A full panel, easy-open container end closure includes a double-folded band formed in the removable panel adjacent the peripheral score, and an opening tab having a nose portion disposed adjacent the peripheral score and band. The tab is secured to a hinge section defined in the removable panel by a rupturable, bowed, generally U-shaped ancillary score which is disposed with its two ends adjacent the band and tab nose portion. This construction effectively reduces the intial rearward force required to effect panel removal.

Abstract: An improved front opening easy-open end closure wherein the opening flap is formed with an auxiliary score line rupturable to form a vent opening, and the pull tab is provided with an auxiliary rupturing member comprising a panelwardly directed protrusion, superposed in relation to the auxiliary score line and arranged such that displacement of the tab to open the flap results in prior rupture of the auxiliary score line and venting of the container.

Abstract: A container wall is disclosed having vent means in it for forming an opening in the container wall by digital force to release the pressure in a container which includes such wall. The force required to actuate the pressure release is not significantly affected by the internal pressure in the container due to the particular construction of the container wall as including two outwardly projecting hollow embossments separated by an inwardly projecting hollow rib with a score line across the rib near its middle. Each embossment has a top wall and a side wall therearound connecting the top wall to the adjacent portion of the container wall and with the side wall at both ends of the rib being generally transverse to the longitudinal axis of the rib. The apex of the rib is generally coplanar with the general plane of the container wall adjacent to the embossment and the side wall of each embossment is preferably thinner than the material in the adjacent container wall.

Abstract: An end cover or closure for an accurate pour style container that is particularly well suited for use with non-viscous liquids has included thereon a displaceable portion proximate the periphery which prescribes an opening in the cover that is size-limited by means of a short score in the panel having reversely-curled ends, there being a non-detachable pull tab attached to said displaceable portion with a pull ring for the tab disposed radially inwardly from the point of tab attachment; the tab and the displaceable portion of the cover when opened being adapted to pivot through about 90.degree. with the tab then assuming a thus stopped position generally perpendicular to the container end panel adjacently neighboring the side wall of the enclosed container so that the extended open tab can thereupon function as a very effective and efficient pour guide for effluent during container discharge.

Abstract: An improved vented, easy-opening end closure having an opening score line and a vent score line and a pull tab provided with an integral tether secured to the end panel and operative to effect, in the areas immediately adjacent the ends of the vent score line, primarily tension stresses and to reduce the stress components normal to the end panel which tear the end panel and thus frustrate opening of the container.

Abstract: An easy opening ecology end having retained vent and pour tear strips is formed by an end wall having two lines of weaknesses. One line of weakness defines a vent opening while the other line of weakness defines a pour opening. Attached to each of the tear strips is a tab including a body member and end portions, the tab being attached to the respective tear strips by rivets. Each line of weakness terminates in a reversing curl to prevent continued complete separation of the tear strip. The lines of weakness, the reversing curves and the relative position and radii of the reversing curves cooperate to form a hinge line about which the ruptured tear strips are folded such that the tear strips are retained and folded back against the end wall.

Abstract: An improved easy-open end closure has a generally C-shaped ancillary scoreline in the end panel closely adjacent a rivet which is positioned between a piercing portion of a tab to which it is attached and at least a portion of the rupturable ancillary scoreline. The peculiar shape of the scoreline, with its inwardly looped ends, facilitates movement of the handle portion of the tab away from the end panel by rendering the adjacent portion of the end panel more flexible and minimizes tear out of the flexing portion of the panel by substantially eliminating areas of stress concentration.

Abstract: This disclosure describes an easy-opening container wall having a wall segment at least partially removable therefrom. A tab is secured to the container wall for initiating severance of the wall segment from the container wall. A rupturable scoreline is formed in the container wall adjacent the tab and rupturable in response to movement of the tab to initiate severance of the wall segment from the container wall.