Abstract: Apparatus for opening and reclosing beverage cans in a first embodiment includes a tool having piercing and forming portions for opening an aperture in and shaping a flap depending from an end wall of a beverage can spaced a predetermined distance spaced substantially away from the cylindrical side wall of the can sufficient to permit the forming portion to displace the flap resulting from the piercing closely against the interior surface of the end wall of the can such that the interior surface surrounding the periphery of the aperture thus formed is substantially planar, and in a second embodiment includes a tool having a cylindrical piercing portion, the apparatus further including a plug carried on the tool for reclosing and sealing the aperture in the can.

Abstract: Disposal equipment for infectious or otherwise contaminated waste, to be used for instance in hospitals, doctors' offices, laboratories and similar institutions; the waste is disposed of in a container (18) placed on a support (1); when the container (18) is full, it is closed tight by means of the lid (19) provided. The release-ready lid (19) is held on the support (1) by means of the rotating lid holder (14) which is actuated by the motorized drive. The opening and closing of the container is provided by the lid holder (14), and during the filling phase the lid (19) is closed down loosely on the container (18). When the container is full, another drive (4, 5) linked to the equipment (1) closes the lid holder (14) with the lid down tight onto the container, and the lid (19) connected to the container (18)is then released.

Abstract: A hermetically sealed package comprising:(a) a multilayer container comprising at least an innermost layer and a layer adjacent to the innermost layer, the innermost layer and the layer adjacent to the innermost layer being joined by a pressure sensitive adhesive, the multilayer container including(1) a recessed portion;(2) a flat flange portion adjoining integrally the rim of the recessed portion; and(3) a notch surrounding the boundary between the recessed portion and the flat flange portion, the notch being provided on the flat flange portion in the innermost layer of the multilayer container; and(b) a top film including(1) a lid portion for sealing the multilayer container, the lid portion being adhered strongly to the flat flange portion of the multilayer container at the outside of the notch; and(2) a tab portion for picking the top film, the tab portion extending from the rim of the lid portion, being integral with the lid portion, and being not adhered to the flat flange portion;the coefficient of adh

Abstract: An end portion for a container having a preformed opening therein and an easy-open closure system therefor, the closure system comprising an exterior tape over the opening which is manually removable, the tape being adhered by an adhesive which comprises the reaction mixture of an aryl isocyanate, an aliphatic glycol, and a defined mixture of hydroxy terminated polyesters.

Abstract: A dust-proof container for keeping therein a mask or reticle usable to transfer a pattern onto a semiconductor wafer for the manufacture of integrated circuits, is disclosed. The container includes a casing within which supporting pins for supporting the mask or reticle are formed. Also, in the casing, there are provided leaf springs for pressing the mask or reticle toward the supporting pins, and a releasing mechanism for releasing the reticle pressing force of the leaf springs. The releasing mechanism is responsive to a non-mechanical signal such as an electric signal to release the reticle pressing force. A shape memory alloy may be usable in the releasing mechanism. An opening/closing mechanism is provided to open/close a door which is operable to cover an opening formed in the casing for the insertion and extraction of the mask or reticle. A shape memory alloy may be used in the opening/closing mechanism.

Abstract: A lid for closing, by thermosealing, a container having a thermoplastic material sealing zone (3) defined by an internal closed line and an external closed line, of the type comprising a closure material (5), a varnish (7) applied to one of the faces of the closure material and an added thermoplastic material layer (6) fixed separably to the closure material and covering at least a part of the varnish which is intended to face the sealing zone of the container to be closed, said lid being characterized in that the added layer (6) has a thickness of the order of 100 to 1000.mu. (10.sup.-4 to 10.sup.-3 m), its thickness being chosen so that the thermoplastic material forming it may, by locally melting during closure of the container by thermosealing, encapsulate the traces of product finding its way on to the sealing zone during filling of the container.

Abstract: A cap includes a closure portion rotatably engaging the filler neck for closing the filler neck and an outer shell for providing a hand grip to permit rotation of the cap about an axis. A clutch is included in the cap for selectively providing an operative connection between the outer shell and the closure portion so that rotation of the outer shell relative to the filler neck in a cap-removal direction will rotate the closure portion in the cap-removal direction. An actuator is provided for activating the clutch means. The actuator is reciprocable relative to the outer shell in operative directions substantially parallel to the axis of rotation of the outer shell to control activation of the clutch.

Abstract: Easy opening closure system comprising a container and portion having an opening therein, and closure system further comprising(a) an exterior tape comprising a backing and an adhesive layer, and(b) a protection tape comprising a barrier layer and an adhesive layer bonded to said barrier layer, said protective tape being embossed.The exterior tape is situated circumjacent the opening in the container end portion and is adhered to the top surface of the container end portion circumjacent the aforementioned opening by means of its adhesive layer. The protective tape is firmly bonded to the bottom surface of the container end portion circumjacent the aforementioned opening by means of its adhesive layer, and is firmly bonded to the exterior tape in the area of the opening by means of its adhesive layer and the adhesive layer of said exterior tape.

Abstract: Non-returnable packages for liquid contents, e.g. milk, are made frequently from a flexible packing laminate, and are provided with an opening arrangement in the form of a tear-off strip which covers a pouring opening in the packing container wall. So as to avoid spatter and spillage at the actual moment of opening, an opening arrangement for packing containers is realized comprising a pouring opening (8) which has a projection (8') of small area directed against the direction of tearing of the tearing strip (6). This part of the pouring opening (8) formed as a projection (8') thus will be opened first, and air will flow into the packing container, and the liquid level will drop so that the continued opening can be performed without any risk of spillage.

Abstract: Plastic food storage and cooking container having an airtight seal between the lid and the bowl of the container, with a release tab for lifting the lid away from the bowl with a prying action.

Abstract: An easily-openable packaging container comprises a container body and a multilayer lid member heat-sealed at the flange portion of the container body, in which the multilayer lid member has an interlaminar strength smaller than the adhesion strength between said flange portion and the inner layer of the multilayer lid member so that the multilayer lid member can be delaminated at a portion corresponding to the heat-seal portion at the time of opening, and a means for circularly peeling the inner layer of the miltilayer lid member from the outer edge of the heat-seal portion to the inner edge or inner vicinity of the heat-seal portion is provided.The easily-openable packaging container has both excellent sealing property and easy openability and can be opened with a stable opening force.

Abstract: A vanity case comprising a receptacle member, a cover member hinged at its rear end with the receptacle member, a first latch member, a second latch member formed on the cover member for engagement with the first latch member whereby the cover member is maintained in a closed position with respect to the receptacle member, and an unlatch member movably secured in the receptacle member and including a pull member having an end portion extending beyond the wall of the receptacle member, the unlatch member further including means for, upon its movement by drawing the pull member, releasing engagement between the first and second latch members.

Abstract: A compact costmetic case which includes: a case body; a lid of the case body pivotally connected to the case body and adapted to be unfastenably fastened to the front portion of the peripheral wall of the case body; and a disengaging mechanism for unfastening the lid from the case body. The front portion of the peripheral wall of the case body has a recess having an end surface on which a first engaging member is formed. The lid has a second engaging member adapted to be engaged with the first engaging member. When the lid is in its closed position, the second engaging member is engaged with the first engaging member so that the lid is fastened to the case body. The disengaging mechanism is received in the recess of the case body. The disengaging mechanism has a sliding plate movable between outer and inner positions toward and away from the end surface of the recess.

Abstract: A resealable closure device for use on metallic cans includes a metallic end wall having an opening surrounded by an upwardly extending and outwardly flaring beaded flange. The flexible closure element includes a central panel, a lever portion and a connecting portion connecting the lever portion to the central panel; the closure device is molded in an inverted umbrella position which is capable of being inverted to engage the flange of the opening; a skirt portion is provided on the interior side of the central panel of the flexible closure element to provide a degree of resistance to removal of the closure device from the opening by user.

Abstract: An air spring assembly is connected to a member in the form of a cover, door or panel for movement between a position at which the member closes an opening and a position at which the member is removed from the opening. The member is movable between limit positions and the air spring assembly assists in movement. If any portion of the original charge attained by the air spring is lost due to leakage, the air spring assembly is automatically charged during movements of the member so that a piston rod is able to exert a predetermined force on the member.

Abstract: An improved self-supporting paper carton of the gable-top type is disclosed having formed from a paper blank therefor with a detachable tearaway portion, a carton, which upon being spent, may be readily collapsed by fully opening the top and removing a tear strip together with the removable or tearaway portion of the carton blank. The tear strip is an assemblage bonded together having a zip tab or the actual tear strip adhered to an inner lining layer which, in turn, is adhered to the removable portion of the carton blank. The tear strip assembly is inserted into a cavity in the carton blank at the lower edge of the erected self-supporting paper carton and is dimensioned so that the transverse dimension of the tear strip is greater than that of the removable portion. After insertion, the tear strip assembly is compressed and the inner lining layer is then in conformal relation with exterior surface of the removable portion and with the perforations therebeyond.

Abstract: A slit valve for sealing an access opening in a vacuum chamber. The slit valve body or door is pivotally mounted adjacent the opening and has a pair of cam blocks mounted at its opposite ends. Cam follower rollers are mounted on a swing arm for reversible pivotal door opening and closing movement effected by a pneumatic cylinder. During closing movement of the swing arm, the cam followers engage the cam block and resiliently pivot the slit valve against the opening. Upon reversed, pivotal opening movement, the cam followers release from the cam block, allowing a spring to return the door to a normally opened position. The slit valve mounting is adapted to provide equal compressive sealing, both top-to-bottom and side-to-side.

Abstract: A sealing device arrangement is provided for a container to be filled through an opening. The base strip attaches the sealing device to the container. Sealing strip elements are mounted to the base strip and are used for sealing the container opening. Protecting strip elements are provided for activating and protecting the sealing elements prior to and during activation of the sealing strip elements from a filling position to a sealing position. Resistance strip elements are provided which create resistance between the resistance strip and the base strip when the sealing strip elements are activated, thereby reducing exposure of the sealing surface to atmosphere during activation.

Abstract: A pressure-packing container comprises an impervious container body having an internally recessed upper edge, and an easy-to-open closure cap composed of a rigid outer closure member having an annular rim, a resilient inner closure member joined with the underside of the outer closure member, and a sheet of impervious film bonded with the inner closure member. To close the container, an inner peripheral wall of the rim is plastically deformed to force a portion of the inner closure member to flex into a groove in the upper edge, with an outer edge of the impervious film sheet sandwiched between the deformed inner closure member and the grooved upper edge, thereby providing a hermetic seal strong enough to withstand the inside pressure of the container.

Abstract: An easy-open lid for an all-plastic beverage can is disclosed, the easy-open feature including a removable closure plug secured in a dispensing aperture formed in the lid of the can. A pull tab is secured to the closure plug for removal of the entire plug.

Abstract: Perfumed granular detergent compositions are packaged in a fiberboard package comprising a plastic end piece.

Abstract: The invention relates to a band with lids for flat-edged thermoplastic containers comprising a first band in aluminum and a second thermoplastic band adhering via a thermo-adhesive film in such a way as to make the first removable by peeling; the second band comprises a slit.According to the present invention, the faces defining the slit are perpendicular to the second band and at a very small distance one from the other, the thermo-adhesive film has areas with two different adhesive powers, the area with the higher adhering power being located within the zone defined by the slit whereas the other area is located outside said zone, and a sealing or tightening film covers the whole underface of the second band.

Abstract: The automatic touch actuated door opener includes an elongated flexible tension member having one end connected to a door and the other end connected to a tension member take-up device. The door is biased to its closed position for maintaining tension in the tension member when the door is moved to its closed position. A switch in contact with the tension member senses decreased tension due to external touching pressure against the door and actuates the take-up device to automatically open the door. A time delay switch causes the take-up device to allow the door to return to its closed position after the preselected time interval. An alternate embodiment includes a pair of limit switches which are sequentially engaged and released in response to increased and decreased tension respectively in the tension member.

Abstract: A can end assembly formed from interconnected elements of a cover portion, a tear-shaped seal member and a pull member. This assembly encloses an end of a container, such as a beverage can. The cover portion has a dispensing opening and vent and a pivotable connection to one end of the seal member. The other end of the seal member is pivotably connected to the pull member. In a first position, the seal member will close the opening and will be beneath the pull member. Upon a slight lifting of the pull member, a seal between the seal member and opening will be broken. Continued movement of the pull member causes the seal member to rotate 180 degrees about its connection to the cover portion. During this movement, the pull member also rotates 180 degrees about its longitudinal axis and is displaced about 90 degrees relative to its initial orientation.

Abstract: This disclosure relates to a closure having a plastic layer which is to be heat bonded to a plastic outer layer of a container. The closure is provided with a pull tab to facilitate the removal thereof from the container. Heat bonding of the closure to the container is effected by induction heating utilizing a metal foil barrier layer within the closure. By offsetting a portion of the closure in alignment with the pull tab, the bond between the closure and the container may be configurated so as to facilitate the initial peeling of the closure from the container when the pull tab is lifted.

Abstract: This relates to lids which incorporate a barrier material and which may be suitable heat bonded to plastic containers. A feature of the lid is that the area of the lid which is to be permanently bonded to the container is defined by two scores wherein, in the removal of the lid, for all practical purpose rupture of the lid material per se is eliminated and the opening operation is restricted to peeling-like separation of layers of the lid. Another feature of the lid is the controlled adhesion between the removable portion of the lid and the remainder of the lid by applying a resist layer next to the adhesive layer which secures the removable portion of the lid to the remainder of the lid. The effectiveness of the resist layer is controlled by applying the resist layer utilizing a half tone printing process.

Abstract: A resealable, anti-litter-type pop top beverage container wherein a rotatable tab member can be raised to depress a sealing member into the interior of the container to fully expose the lid opening for drinking or the like. The sealing member includes a second resealing lobe integral therewith and responsive to the rotation of the tab in a first direction for positioning the resealing tab beneath the lid opening and resealing the opening in an air-tight manner to prevent the escape of gases therefrom thereby preventing the beverage stored therein from going flat. The second or resealing member is also responsive to the rotation of the tab member in the opposite direction for unseating the resealing member and reexposing the lid opening to enable the remaining stored liquid contained therein to be drunk or poured therefrom.

Abstract: An evacuable vessel having a heavy cylindrical wall seated on a generally square base has a heavy cover hinged at one end to a hinge support attached to the wall. The cover is bolted to the wall in the closed position and sealed by an O-ring. The hinge bolts are seated in a slotted hole to allow the cover to pivot about the O-ring when closing. Adjustable set screws may be used to tighten the hinge arms and introduce a selected degree of friction. Springs are connected between the outside end of each hinge arm and the base.

Abstract: A simple, compact counterweight mechanism for a lid for a sub-surface container. A straight rigid beam extends from front to rear within the container. Front portions of the beam are connected to the overlying lid, middle portions of the beam are pivotally connected to the container and rear portions of the beam are pivotally connected to a pair of rearwardly extending control arms, which are pivotally connected at their rear to a depending counterweight.

Abstract: A manipulator for parts which are to be moved during the opening and closing of an orifice provided with a cover comprises a driving device for moving a support along a guide parallel to the central axis of the orifice. A path-translating transmission is provided between the driving device and the support so that the stroke length of the driving device is shorter than the resultant path of the support.

Abstract: There is disclosed a hermetic sealed container filled with a positive pressure generating contents. The container is sealed with a lid comprising a spherical-shaped outwardly protruded panel portion formed with an opening, and a seal tab bonded to the outer surface thereof to cover the opening.

Abstract: A process for manufacturing covers intended to close containers which are opened by peeling off the cover, these covers being of a type comprising an orifice and two closure elements disposed on each side of the orifice which they close and in which they adhere to one another, characterized in that it consists:in forming a series of holes (3) intended to form the orifices of the covers in a strip (2);in applying to one of the faces of the perforated strip (2) a first continuous coating (4) intended to form one of the two closure elements, this first coating being separable at least partially from the strip (2) by peeling off;in applying to the other face of the perforated strip (2) a second continuous coating (5) so that it comes into contact with the parts of the first coating (4) which are defined by the holes (3) and adheres strongly to these parts as well as to the perforated strip (2), this second coating (5) being intended to form the other closure element; andin cutting out the multi-layer sheet (1) th

Abstract: An improved construction of a foaming machine, wherein the bottom of the agitator barrel is provided with a lower cover device so that a control gate provided under the bottom of the agitator barrel can be controlled to move to and fro on the support rails of two side rails, thereby the said control gate can be pushed forwards to close the bottom of the agitator barrel or moved backwards to open the bottom of the agitator barrel. A driving mechanism can control the mixture receiving mold under the agitator barrel so that the latter can be lifted or lowered to effectively reduce the laying down distance between the mold and the agitator barrel. Thus the ununiform bubbles occurred while laying down the mixture by swinging away the lower cover of the agitator barrel in the known foaming machine can be avoided.

Abstract: The automatic touch actuated door opener includes an elongated flexible tension member having one end connected to a door and the other end connected to a tension member take-up device. The door is biased to its closed position for maintaining tension in the tension member when the door is moved to its closed position. A switch in contact with the tension member senses decreased tension due to external touching pressure against the door and actuates the take-up device to automatically open the door. A time delay switch causes the take-up device to allow the door to return to its closed position after the preselected time interval.

Abstract: A unique self-actuating apparatus, basically useful in a wide variety of different type containers; said apparatus serving to automatically bias a substantially flat lid or top cover member from a normally horizontal/closed modality, to an alternate vertical/open modality, via effect of gravity acting thereupon; by virtue of a weighted guide member hingedly affixed to the lid in a manner as to result in the desired function whenever the container is lifted from a rested position. Hence, when combined with a drinking-cup, the novel actuator serves to instantly open a lid by the mere raising of the vessel from the counter surface for a drink--and conversely, snaps the lid shut whenever the cup is returned to rest; thereby providing carefree sanitary and thermal sealing advantages.

Abstract: A synthetic resin vessel composed of a sheet of a synthetic resin and having a top opening, wherein: a flange is formed integrally with and along the edge portion of the opening; a continuous ridge protuberance is formed on and along the top face of the flange; and a lid is heat-sealed through the protuberance to close the opening and is subsequently openable by a seal-opening operation, the synthetic resin vessel being characterized in that a projection extending toward the outer periphery is formed in one or both of portions of the protuberance for starting and terminating the seal-opening operation. This synthetic resin vessel has a high sealing property and a good peelability.

Abstract: A reclosable plastic container is formed having a cover hingedly attached to a base and having an interlocking structure such that the cover is held on the base when the container is closed. Release tabs are formed on each of the cover and base adjacent one another and having camming surfaces on each tab which extend therefrom toward the other tab. The camming surfaces on the tabs intersect in a fulcrum such that when the user presses the tabs together, the tabs rotate about the fulcrum to pull the cover and base apart. The camming surface on each tab may be formed as a ridge formed integrally with the tab. Reinforcing ridges, extending away from the plane of the tab in a direction opposite to that of the camming surfaces, are also preferably formed in the tab to provide structural rigidity so that the tabs do not substantially bend or flex when they are pressed by the user. The tabs allow a securely closed container to be easily opened by one hand of the user.

Abstract: An opening arrangement on packing containers is provided with thermoplastic layers, which in general are present on both sides of packing laminate and extend past a cut edge and are sealed in a liquid-tight manner to each other. This can be achieved simplest if the hole-punching of the carrier layer of the material is done prior to the application of the thermoplastic layers.

Abstract: A container end assembly comprising a container end, typically metallic, with a pour opening therein; a coating over the container end comprising a carboxyl group-containing vinyl chloride/vinyl acetate copolymer, and a tape, bonded by a thermoplastic adhesive to the coating, thus forming a bond thereto which is stronger than that between the coating and the metallic container end, such that upon peeling of the tape from the container end, the coating delaminates in the area of the adhesive bond, and is removed with the tape, thus effectively masking the tape adhesive for tamper indication.

Abstract: A secure housing arrangement is provided which requires tools to disassemble. Upper and lower enclosure members (12 and 14) contain latch receiving portions (50) near apertures (44) in the enclosure members. End members (26 and 28) include latching members (42) which resiliently engage with latch receiving portions (50) to form a snap together housing assembly. Disassembly of the housing may be attained by inserting a small tool (72) through small apertures (44) in the housing used to access the latching mechanism. A recessed face plate (30) on the end members (26 and 28) are surrounded by upper and lower lips (38 and 40) which extend outwardly to a point at least flush with the outer-most portion of the upper and lower enclosure members. In this manner, force exerted against the upper and lower lips are substantially absorbed by the end members rather than being transmitted to upper and lower enclosure members.

Abstract: A container having an upstanding rim running around the periphery of its top lid and a pre-cut dispensing aperture therein is provided with an integral pouring lip/drain surface between the container's rim and dispensing aperture. The container is also provided with an easy-open/reclosing element that is preferably hingedly attached to the container's top lid. The easy-open/reclosing element has a depending plug that is shaped complementary to the dispensing aperture. When pressed into the aperture, the plug initially seals the container and, if desired, is used to reclose the aperture after opening. In a particularly preferred embodiment, the easy-open/reclosing element is provided with a U-shaped flange that is shaped complementary to both the top lid's pouring lip and upstanding rim. When the easy-open/reclosing element is in its closed position, this U-shaped flange receives the container's pouring lip and rim and thereby protects them from dirt and dust contamination.

Abstract: A child resistant closure construction for one end of a container, such as a cylindrical container. A removable plug normally closes a dispensing opening at one end of the container, the plug provided with a radially extending ear. The plug and ear are so configured that removal of the plug by a child is difficult because there is no easy method to firmly manually grasp any portion of the plug. A raised abutment is integrally carried by the end closure of the container. Upon rotation of the closure plug to a certain angular position, the ear strikes the abutment and the ear tilts away from the container interior to thereby enable it to be grasped and pulled to remove the closure plug.

Abstract: A mechanical thruster for positively separating two releasably joined components under a controlled time delay. The thruster is particularly useful for mechanically opening canisters containing survival kits as they are being dropped from an airplane to a target. The thruster comprises an adjustable mechanical timing means which is actuated when a pin is pulled from it. After a predetermined time delay, the timing means actuates a plunger mechanically associated with it, which plunger dislodges a locking piston. This locking piston in locking position mechanically holds a thruster body about a barrel of the device. Once the locking piston is displaced, the thruster body is propelled away from the barrel.

Abstract: In apparatus for dispensing documents of value for example banknotes, a cassette (10) preloaded with a stack of banknotes is movable along a predetermined path into the dispenser housing up to a feed position; the cassette includes a shutter (18) for closing a feed aperture (22) through which banknotes can be extracted for dispensing. The dispenser housing has a stop member (40) movable by a cam (30) on the cassette to cause a shutter-actuating member (42), coupled to the stop member, to enter a recess (26) in the shutter (18) whereby during further movement of the cassette up to the document feed position the shutter is moved from its closed position to its open position. The relative position of the cam on the cassette and the stop member is such that if because the shutter is already open the shutter-actuating member (42) is prevented from entering the recess, further movement of the cassette into the housing is blocked by the continued engagement of the stop member (40) and the cam (30).

Abstract: An easy-open container having top and bottom end panels and a body portion, all of laminate construction comprised of an outer layer of stiff material, an intermediate layer of substantially gas-impermeable material, and a continuously sealed thermoplastic inner layer. The container's top end panel has a line of weakness in its outer stiff layer defining a tear-out section with opening means such as a tape tab non-critically bonded thereto. In a particularly preferred embodiment, the container is opened by pulling the opening means such that the tear-out section separates from the outer stiff layer along with the substantially coinciding portions of the intermediate layer and the inner layer that are attached thereto, thereby defining a dispensing aperture in the container's top end panel. In a particularly preferred embodiment, the container is provided with easy-open/reclosing means such as a rigid, plug-type member that is used to open and reclose the container.

Abstract: A beverage can lid spout unit is provided with a closing lid movable between open and closed positions over a peripheral mounting part. A bellows part is secured within the mounting part and is biased to move outwardly when the lid is moved to an open position. When the lid is moved to a closed position, it compresses the bellows within confines of the mounting part to close-off the spout.

Abstract: The present invention is an end closure structure for a container having a flexible central member (6) with an outwardly dished center section and at least one opening structure (18) in the central member (6), a removable thin flexible closure member (12) disposed over the opening structure (18) which is in a first sealing relationship (32) with a portion of the opening structure (18) and a second sealing relationship (34) with the top surface of the central member (6), an upwardly extending flange member (8) circumferentially disposed from the peripheral edge of the central member (6), and a downwardly extending sealing skirt (10) circumferentially disposed from a top edge of the flange member (8).

Abstract: A metallic closure for a cylindrical, rectangular or square container comprising a central panel. A part of the panel is adapted for attaching the closure to the end of a container to close the end. The panel has an opening therein and the portion of the metal adjacent the opening is rolled so that the end thereof engages under the inner surface of the panel in a smooth roll such that the free edge is not directly exposed to the contents in the container on which the closure is placed. A composite panel is bonded to the central panel on the outer surface of the central panel. The closure is 100% safe. When the composite panel is removed a residue remains on the outer surface of the metal panel providing evidence of tampering.

Abstract: A container end assembly comprising a container end, typically metallic, with a pour opening therein; a coating over the container end comprising a carboxyl group-containing vinyl chloride/vinyl acetate copolymer composition, and a pressure-sensitive adhesive tape bonded to the coating which forms a bond thereto which is greater than that between the coating and the metallic container end, such that upon peeling of the tape from the container end, the coating delaminates in the area of the adhesive tape bond, and is removed with the tape, thus effectively masking the tape adhesive for tamper indication.

Abstract: A lid for a packaging container which include a tear-open part which is surrounded by a weakened line. The lid is molded of a composite material, which has an outer carrier layer of plastic, a middle barrier layer of metal foil and an inner heat-sealing layer of a thermoplastic synthetic material. The weakened line is produced as an indentation in the outer carrier layer by being heat-impressed using a heated tool.