Abstract: A lock and seal member for a dispensing package including a container and a dispensing type closure is disposed in a manner to fuse the closure and container permanently together. Removal of the contents of the container requires dispensing through a dispensing passage in the closure while the seal remains in position to lock the closure in permanent position relative to the container and also to form a seal preventing the leakage of materials.

Abstract: A molded plastic closure cap has a number of downwardly projecting fins on the underside of its cover for forming a seal with a container in combination with a liner positioned between the fins and the container rim. The liner is a laminated one consisting of a plastic foam layer engaging the fins, an adhesive layer engaging the package and a thin aluminum foil layer sandwiched between the foam layer and the adhesive layer.

Abstract: A sealing cover has an upper layer of plastic film substantially impervious to moisture and bacteria. A second layer of metal foil film is bonded to the plastic layer with a layer of adhesive or by extruding the plastic onto the second layer. An additional layer of adhesive material is bonded to the second layer for adhering to a carrier liner in packaging the seal and engaging the container top in resealing the container upon removal from the carrier. Upon removal of the sealing cover from a container, telltale strips of the cover are left in engagement with the container to indicate the seal has been removed. In another embodiment, a layer of metal foil is laminated between two layers of plastic film. Slits may be formed in the cover to promote its tearing to leave telltale sealing strips on the container upon removal of the cover.

Abstract: A reusable tamper-proof container comprising a bottle, screw cap and closure with pull tab. The closure is inserted into the cap with the pull tab positioned into a recessed area in the cap. After the cap is applied to the bottle, the closure is sealed to the lip of the bottle under heat or pressure. When the cap is removed the closure remains adhered to the lip of the bottle and the pull tab is positioned in a recessed area in the neck of the bottle until the closure is peeled off. A childproof feature is added by placing a bar on the bottle which mates with a broken area of the cap's threads thereby preventing movement of the cap in relation to the bottle.

Abstract: A sealing cover has an upper layer of plastic film substantially impervious to moisture and bacteria. A second layer of metal foil film is bonded to the plastic layer with a layer of adhesive or by extruding the plastic onto the second layer. An additional layer of adhesive material is bonded to the second layer for adhering to a carrier liner in packaging the seal and engaging the container top in resealing the container upon removal from the carrier. Upon removal of the sealing cover from a container, telltale strips of the cover are left in engagement with the container to indicate the seal has been removed. In another embodiment, a layer of metal foil is laminated between two layers of plastic film. Slits may be formed in the cover to promote its tearing to leave telltale sealing strips on the container upon removal of the cover.

Abstract: A container assembly is disclosed which incorporates a chemical indicator normally hermetically sealed from the ambient atmosphere, but exposed to the atmosphere upon opening of the container assembly. The indicator is adapted for changing appearance, either color or granule or crystal form, upon exposure to moisture or oxygen. The indicator is either located in the interior of a hermetically sealed container, or is sealed in a frangible envelope which is operatively associated with a closure member of the container and is ruptured upon opening, or attempted opening of the container.

Abstract: A non-reusable tamper indicating package comprising a container and a closure. The container has a body portion and a neck portion defining an opening and having an annular bead spaced from the end of the neck. The closure has a top wall and a peripheral skirt and a retention and holding bead on the skirt adapted to engage the annular bead on the container. The closure includes spaced score lines on the skirt and a portion of the top wall defining a severable portion of the skirt between the score lines such that when the severable portion is pulled outwardly and upwardly, the closure is severed along the score lines. A foil sheet having a layer of thermoplastic material on each surface thereof and is thermally bonded to the upper end of the container. A liner ring overlies the foil sheet and is thermally bonded to the thermoplastic material on the foil.

Abstract: A tamperproof sterile solution closure system which will permit the machine assembly of the closure cap to the container without engagement of the threads of the cap with the container threads. The screw type cap member has internal threading, a tear-away portion and a skirt portion. The container has an abutment surface for sealable contact with the skirt portion and in a position such that the threads in the cap and on the neck are not engaged. To activate the closure, a tear-away portion is removed which will allow the threads to engage. Simultaneously, a contact portion on the cap will engage a weakened flange in the neck to cause it to be separated. A projection extending from the cap is positioned in an annular recess in the cap to serve as a captive means for the separated dome portion of the cap for replacement purposes.

Abstract: A thermoplastic container, particularly a bottle, has a one-piece container top unitarily formed with the container body and a container neck and enclosing a stopper of elastomeric material, particularly rubber. To prevent contact between the container contents and the stopper, a mounting and separating element is provided between the stopper and the container. The mounting element has tubular axially extending plug and retaining portions and has one edge which can be welded to the container and a radially projecting, thin weld ring.

Abstract: A sealing means is disclosed which comprises a cover of aluminum sheet or the like, fastened by gluing or heat-sealing on the surrounding part of the mouth of the container, and which is capable of being removed from the mouth surrounding part by being torn therefrom. The tearable cover projects or extends radially outwardly of the part of the container surrounding the mouth and to which it is fastened. The projecting part, about its entire periphery, is fastened by gluing, heat-sealing, or some other conventional method, to a rigid gripping ring engaged, at least partially, on the surrounding part of the container mouth.

Abstract: A multilayer composite material, suitable for capping plastic milk bottles and other containers, comprising;(a) a metal foil,(b) a polyolefin film, and(c) an adhesive layer bonding the metal foil and the polyolefin film together and formed of two compounds A and B; wherein said metal foil has a thickness between 25 and 75 microns; said polyolefin film has a thickness between 10 and 30 microns; and said adhesive layer has a thickness between 0.5 and 6 microns, and preferably between 2 and 5 microns.

Abstract: A composite lid, for use in a sealable closure arrangement, comprising a plastic rim, a paperboard center panel, and peelable membrane removably attached to the paperboard panel, and a method of forming same.

Abstract: In the sealing of a glass container containing a product such as a food product by means of a cover comprising a metal foil having on one surface thereof a sealant layer of a thermoplastic resin, the opening end of the container is preheated, and the cover is placed on the opening end, after which the cover is pressed against the opening end successively by a heating plate and a separate pressing plate. By this process, a positive seal and a high sealing process efficiency are obtained even when the container content is a product such as a heated liquid food product and even when the rim surface of the opening end of the container has some projecting irregularities.

Abstract: There is disclosed herein an improved hermetically sealed container and closure assembly for storing and dispensing sterile liquids. The container includes a bottle having a neck which defines an outlet or mouth, a set of external threads adjacent the outlet and transverse abutment shoulder means on said neck and spaced from the outlet. The closure includes an externally threaded cup-shaped overcap having a generally cylindrically-shaped side wall, a top wall for positioning across the bottle mouth and wiper means depending from said top wall for sealing in cooperation with said outlet. The overcap is hermetically bonded to the bottle neck. An outer jacking ring is provided which is threadedly interfitted over the overcap and adapted for counterclockwise rotation to engage the abutment means and cause the overcap to move axially upwardly from the bottle outlet.Ramp-like cam means are provided on the neck for cooperation in sealing the wiper means to the bottle outlet.

Abstract: A plastic container and a three-piece closure system therefor are disclosed. The container has a threaded neck defining a dispensing outlet. A separate closure covers the dispensing outlet and is heat-sealed to the threaded neck, forming a frangible section which may be broken to remove the closure. An internally threaded jacking ring is threadedly received on the neck, and includes a plurality of inwardly directed flexible fingers, which snap into an annular groove in the closure when the jacking ring is threaded onto the neck. To break the frangible portion and open the container, the jacking ring is rotated in the direction to remove it, so that the jacking ring fingers press against the top edge of the recess in the closure and actually pry the closure away from the container neck.

Abstract: A sealing cover has an upper layer of plastic film substantially impervious to moisture and bacteria. A second layer of metal foil film is bonded to the plastic layer with a layer of adhesive or by extruding the plastic onto the second layer. An additional layer of adhesive material is bonded to the second layer for adhering to a carrier liner in packaging the seal and engaging the container top in resealing the container upon removal from the carrier. Upon removal of the sealing cover from a container, telltale strips of the cover are left in engagement with the container to indicate the seal has been removed. In another embodiment, a layer of metal foil is laminated between two layers of plastic film. Slits may be formed in the cover to promote its tearing to leave telltale sealing strips on the container upon removal of the cover.

Abstract: A method for sealing a rim-like opening in a glass container is described. The surface of the opening is treated with tin and/or titanium oxide precursors and with or without one or more of the groups consisting of fluorides, sulfur oxides and sulfur oxide precursors and then overcoated with a chromium III organic metallic complex. A membrane comprising a thermoplastic film is pressed onto the coated opening surface and heated to cause glass-plastic adhesion, forming a closure. The coating steps may be applied to glass containers immediately after forming and annealing as appropriate, or may be applied to glass containers taken from storage.

Abstract: A closure assembly for a container body comprising an overcap ring and an integral, peelable laminated structure consisting of a paperboard substrate, an electrically conductive layer, a first coating layer, and a second coating layer. The overcap ring with the laminated structure are adapted to be induction heat sealed to the container body.

Abstract: A method of manufacturing a tear-off port protector for a container comprises placing flexible, typically extruded tubing on a mandrel that fills the bore of the tubing, with the tubing preferably outwardly stretched by the mandrel. A cutting blade is spaced a predetermined distance of less than the tubing wall thickness from the mandrel. One then causes the cutting blade to form an annular cut about the tubing, while maintaining the predetermined distance, and thereafter one removes the tubing from the mandrel.

Abstract: An opening ring (40) for a bottle (29) has a closure element (36) attached to the bottle neck (30) at a frangible section (38). The opening ring (40) includes rigid shock absorbing means such as a collar (58) to protect the bottle from unwanted opening of the frangible section (38) which would thereby destroy the seal, and in the case of bottle-stored sterile liquids, contaminate same.

Abstract: The invention relates to a two-layer composite material comprising a metal foil and an adhesive layer.The adhesive layer is formed of a mixture of two compounds A and B, compound A being a copolymer of an aliphatic monoolefin and a monoethylenically unsaturated carboxylic acid which has good adhesion for the metal foil and the container, and compound B being a compound adapted to reduce the adhesion of compound A for the metal foil and/or the container.Said composite material is intended in particular for the fabrication of caps serving as closures for containers.

Abstract: This invention relates to a method of sealing a container mouth, and especially the mouth of a glass container, and the glass container so sealed. The method involves oxidizing the container rim portion, applying a first annular thin coating of an organo-functional silane compound and then a second annular thin coating of an ethylene acrylic acid copolymer over the first coating on the rim portion. A thin imperforate membrane such as aluminum foil having a thermoplastic sealing material such as Surlyn copolymer over its sealing surface is sealed to the container rim portion with heat and pressure.

Abstract: A sealed package comprising a container, intended for use or reuse as a drinking vessel, and a cover. The container has a cylindrical surface adjacent its mouth to receive a length of tape which, on one side, carries a layer of pressure sensitive adhesive, which can be peeled from the container without leaving objectionable residues. The tape carries a layer of heat-sealable material on its opposite face and this is heat sealed to an aluminium foil lid, also bearing a coating of a heat sealing material.

Abstract: A heat-sealing sheet material can be obtained by forming, on one side of a sheet base material such as aluminum foil, a sealant layer composed of a graft copolymer comprising a trunk polymer of a 20 to 60% saponification product of an ethylene/vinyl acetate copolymer having a vinyl acetate content of 15 to 45% by weight and a branch polymer of an unsaturated carboxylic acid in a proportion of 10% by weight or less of the partially-saponified product. This sheet material exhibits excellent heat-sealing strength with respect to glass containers, and, moreover, there is almost no decrease in the sealing strength even when the material has been in contact with water. Accordingly, the sheet material is suitable as a sealing material for the opening rims of glass containers for water-containing food products such as jams and pickles.

Abstract: A flexible plastic sealing cover has a container cover area and pull-tab area. In one embodiment, an upper layer of plastic film is substantially impervious to moisture and bacteria. An orientated plastic film layer is bonded to the upper layer with a layer of adhesive, such that the orientated plastic layer promotes tearing when the cover is removed with the pull-tab. An adhesive material is bonded to the layer of orientated plastic film for engaging and sealing the container top of a IV solution container. In removing the sealing cover from a container, telltale strips of the cover are left in engagement with the container to indicate the sterilized seal has been removed. In another embodiment, a single layer of plastic film substantially impervious to moisture and bacteria is bonded with a layer of adhesive material. Slits may be formed in the plastic layer to promote its separation to leave telltale sealing strips on the container upon removal of the cover.

Abstract: A method for sealing a rim-like opening in a glass container is described. The surface of the opening is treated with tin and/or titanium oxide precursors and with or without one or more of the groups consisting of fluorides, sulfur oxides and sulfur oxide precursors and then overcoated with a chromium III organic metallic complex. A membrane comprising a thermoplastic film is pressed onto the coated opening surface and heated to cause glass-plastic adhesion, forming a closure. The coating steps may be applied to glass containers immediately after forming and annealing as appropriate, or may be applied to glass containers taken from storage.

Abstract: A molded plastic closure is described for particular use on packages employing a metallic innerseal and where the package is sealed using induction heating for softening a heat sensitive adhesive on the under surface of the innerseal while pressure is applied to the cap top. The closure cap is formed of a deformable plastic with a relatively thin shell permitting the induction coils to be positioned close to the metallic innerseal and to permit portions of the closure cap to be wrapped closely around portions of the container finish during the induction sealing process.

Abstract: A pilfer-proof container for injectable fluid. An inner seal having an opening is fixedly secured to the neck of a bottle to hold a stopper. An outer seal covers the opening and is removably attached to the inner seal with non-flaking, non-rebondable adhesive.The sealing system allows inspection of the stopper after the inner seal has been attached.

Abstract: Closures for fluid sample cups, preferably for blood, according to the teachings of the present invention are preferably formed in a multilayered sheet including a matrix of closures and remaining area located around and between the closures. Specifically, the multilayered sheet includes two sided adhesive tape sandwiched between a layer of adhesive covering paper and a rigidifying layer. An elastic layer is adhesively secured to the rigidifying layer. A matrix of first apertures extend through the tape, the paper layer, and the rigidifying layer, with the material located inside of the first apertures being discarded. A matrix of second apertures extend through the tape and the elastic and rigidifying layers concentric with and of greater radius than the first apertures and which define the matrix of the closures. A matrix of slits are also formed in the elastic layer within the first apertures.

Abstract: A method for preparing a glass container, and for sealing a glass mouth of a container and the seal are described. The sealing surface, or finish, of the container is subjected to a hot end treatment after forming and before annealing to enhance adhesion between the container finish and a thermoplastic membrane seal. The container is next annealed and after annealing is subjected to a cold end treatment in which the exterior container surface is coated with a material which enhances the lubricity and increases the abrasion and scratch resistance of the container. The container finish only is then subjected to a brief heat treatment sufficient to remove any lubricity enhancing material from the finish. A membrane comprising a thermoplastic film is pressed onto the container finish and heated causing glass-plastic adhesion and forming a closure.

Abstract: A device for closing bottles comprising a tab portion, a closure portion, and optionally, an indicator portion, at least the closure portion being unaffected by water, and not penetrated by microorganisms and comprising a backing having a conformability of at least 15 and a stiffness of at least 50 and an adhesive on one surface thereof, the adhesive being non-toxic and relatively unaffected by water.

Abstract: A glass container having an upper rim for dispensing the contents thereof and a sealing membrane adapted to be applied to said rim to seal the contents of the container. The sealing surface of the container is prepared by treatment with fluorine and a metal oxide, or a sulfur oxide and a metal oxide, or with fluorine alone or a sulfur oxide alone, at an elevated temperature. To form the closure a membrane comprising a thermoplastic film is applied over the sealing surface and heated to result in a glass/plastic adhesion. The membrane may be a thermoplastic polymer/aluminum foil laminate.

Abstract: A laminated self-destructing sealing cover (10) has a container cover area (14) and pull tab (16). Protrusions (18) extend from the outer edge of the cover area (14) to promote proper use of the cover (10). A slit (20) may be into the protrusion (18) or the outer edge of the cover area (14) to promote tearing of the cover upon removal of a container. The bottom side of the cover (10) engaging the container top is a central disk (24) surrounded by an annular ring of adhesive material (28). Adhesive material (28) is self destructed upon removal of the cover (10) from the container to leave a telltale ring (28A) on the container top. In an alternate embodiment, an area of perforations (60) may be made in the area of the cover (10) for engaging the container top to leave a telltale trace of the cover on a container top upon removal of the cover (10).

Abstract: A wrapping device, formed of a unitary paperboard blank, secured tightly against the sides of a container and against the cap thereon, which is easily torn upon attempted upward movement of the cap for the purpose of, for example, the attempted fraudulent switching of a low price-marked cap to a larger size, higher priced container. The wrapping device is in the form of an elongated strap of paperboard, which has at least one aperture therein through which a part of the container's cap protrudes. A carton for a plurality of capped containers is formed from a plurality of the wrapping devices, which are in turn formed from a unitary blank. An assembly for a plurality of capped containers is formed from a plurality of the wrapping devices releasably coupled together.

Abstract: A method for preparing a glass container, and for sealing a glass mouth of a container and the seal is described. The sealing surface of the container is prepared by treatment with fluorine and a metal oxide, or a sulfur oxide and a metal oxide, or fluorine alone or a sulfur oxide alone, at an elevated temperature, in the case of fluorine employing a fluoride compound which decomposes at the temperature and, in the case of a metal oxide employing a metal oxide precursor. To form the closure, a membrane comprising a thermoplastic film is pressed over the sealing surface and heated to result in glass-plastic adhesion. The membrane may be a thermoplastic polymer/aluminum foil laminate.

Abstract: A plug body for a plastic container for blood or the like wherein a rubber plug has upper and lower surfaces covered to be positioned by thermoplastic films, the surface of the thermoplastic film is partly exposed to serve as an inserting opening for an injection needle or the like, and an injection molded portion is surrounded with thermoplastic material of the same quality as the thermoplastic film.

Abstract: A hermetically sealed container is provided in which a cup-shaped overcap overlies an externally threaded dispensing outlet and is hermetically bonded to the bottle neck. An outer jacket ring is provided to jack the overcap off of the bottle neck when the jacking ring is rotated downwardly. The overcap carries a wiper seal which engages the dispensing outlet to prevent liquid flow out of the dispensing outlet until the overcap is removed. The container closure is tamper-proof in that the overcap cannot be threadedly engaged with the externally threaded dispensing outlet once the overcap has been jacked off the bottle neck.

Abstract: A collection container 10 for sterile liquids, such as blood plasma, of a thermoplastic material having specially designed receptacles in the top for receiving the connecting tubes of a liquid transfer apparatus and for providing a permanent venting arrangement. The container comprises a bottle body 12 of clear polypropylene and a top portion 14 secured to the mouth of the body having pre-formed sleeves 34, 36, 40 depending from the interior side of the top. One of the sleeves 40 provides a venting aperture and locates a plug of venting material. The other sleeves 34, 36 receive the connecting tubes or plungers 38 of the transfer apparatus. The top portion and mouth of the bottle are provided with mating protuberances 42, 44 to facilitate joining by sonic welding.

Abstract: Injection sites are provided for injecting substances such as medicaments into systems that are feeding parenteral fluid to a patient, which injection sites have injection ports that are thermoplastically sealed into the injection site in a manner that is simpler, faster, less expensive, and more readily automated than other assemblies. The assembly includes a vibratory energy seal of the non-thermoplastic port within a countersunk thermoplastic seat.

Abstract: A partial opening patch top closure member for containers is disclosed including at least one layer of monoaxially oriented synthetic plastic film the grain pattern of which extends in a given direction. The closure member includes body and tab portions so arranged relative to the grain pattern of the film that upon pulling of the tab portion, a section of the body portion is torn from the body portion along a line of tear parallel with the grain pattern, thereby leaving bonded to the container a residual body portion section containing a dispensing opening. Preferably the line of tear is at least partially defined by a tear-initiating cut contained in a juncture between the tab and body portions.

Abstract: Improvements in inner and outer closures for containers are disclosed. The outer closure is characterized by a cap member having a top wall, a side wall and a base adapted for sealing to the neck of a container. Two score lines extend across the top wall with finger gripping means attached at the apex where the two score lines meet. One score line extends down the side wall to connect with a third score line near the base which extends completely around the cap. The other score line extends down the side wall to an intermediate position and diverges away and terminates a short distance from the one score line. By pulling on the finger gripping means, the entire cap member above the third score line is removed in one piece. The inner closure comprises a plastic member sealed at its periphery to the mouth of the neck and includes a vertically aligned spike-entry port and an additive port which is oriented at an angle away from the entry port.

Abstract: A tamper-proof package having a container and closure is disclosed. The container has a threaded neck and an outwardly projecting flange beneath the container threads. The cap has a top wall and a downwardly depending sidewall with the sidewall having inwardly projecting, helical threads for cooperation with the container threads. Provided as part of the cap is an annular cap flange which is disposed beneath the cap sidewall and adapted for connection to the container flange. Holding the annular cap flange to the cap body is achieved by the utilization of a plurality of elongated connecting ribs. These connecting ribs extend downward from the cap sidewall to the cap flange and have a direction of slope opposite the direction of the helix angle of the cap helical thread.

Abstract: A container for storing and dispensing sterile liquids is provided with a hermetically sealed primary cap and overcap. The overcap and primary cap are provided, respectively, with an interlocking ring and undercut lip to provide for limited relative axial movement; the overcap and bottle neck are provided with interfitting lugs and ribs to provide for limited rotational movement. An outer ring has internal threads engaging external threads on the overcap and defines a jacking member whereby rotation of the outer ring moves the overcap upwardly to break the hermetic seals.

Abstract: A thermoplastic pharmaceutical solution container includes a neck portion having at least one port through the neck portion. A thermoplastic port protector or closure covers the port and defines a frangible section. The closure has a length to diameter ratio providing good mechanical advantage leverage to rupture the frangible section when the closure is pushed sideways. A seal is formed with the closure by forcing a die heated above the melting point of the plastic material into the neck portion, removing a portion of the port protector and forming a depression. The frangible section is formed in the vertical side wall of the depression.

Abstract: A hermetically sealed recloseable container is provided in which the closure is formed from a thermoplastic ring and an independent sheet-form member which is bonded to the ring and the upper end of the container such that when the closure is removed the sheet-form member will remain integral with the ring to provide a closure useful for reclosing the container. The method of forming such a sealed container is also provided.

Abstract: A method is provided for forming a fracturable seal of the type wherein a plastic cup-shaped closure is hermetically sealed to a plastic planar surface, such as the neck of pharmaceutical solution containers. The seal is formed with the closure by forcing a die heated above the melting point of the plastic material into the planar surface, with the sealing die also being in heat exchange relationship with a portion of the closure. Both the planar surface and the closure adjacent thereto become molten and the surface material is displaced to form a fused seal transverse to the surface. The surface is depressed at least 0.005 inch from its original height by the sealing action of the die, and a frangible section is formed in the vertical side wall of the depression. The seal will be fractured due to tension stress when the closure is removed from the surface.

Abstract: A cap closure is provided for bonding to the neck of a container. The cap closure includes a base portion enclosed by a side wall, a peripheral rim extending outwardly from the side wall with the rim being adapted for bonding to the neck of the container, an administration port connected to the base portion, a medication addition port connected to the base portion, a resealable injection site connected to the medication addition port, and port protectors covering and hermetically sealing the administration and medication addition ports. In the illustrative embodiment, the base portion, side wall, peripheral rim, administration port and medication addition ports are molded as an integral, unitary member, and a method is provided for fusing a membrane to the medication addition port and for fusing port protectors with the base member.

Abstract: A pressure sensitive adhesive tape comprising a backing and a pressure sensitive adhesive layer, wherein the backing is produced by stretching a long sheet composed of polypropylene as a main component in the substantially transverse direction, the backing having the properties that the shock edge tearing resistance is below 200g, the elongation at break is above 200% in the lengthwise direction, the tensile strength is above 170 kg/cm.sup.2 in the lengthwise direction and above 800kg/cm.sup.2 in the transverse direction and the impact strength is above 15kg.cm/mm.sup.2 in the lengthwise direction and above 40kg.cm/mm.sup.2 in the transverse direction, and the backing having a thickness of about 10 to 300 microns.

Abstract: Receptacle such as a bottle, beaker or the like made of thermoplastic material, wherein each opening for extraction is constituted by a curved or polygonal slot at least partially closed on itself and made in the end wall by partially melting the thermoplastic material of which said wall is composed, and at least the parts of the end wall surrounding said slot are hermetically fast with a covering foil or cap coated with a layer of adhesive opposite said end wall.

Abstract: A thermoplastic pharmaceutical solution container includes a neck portion having at least one port through the neck portion. A thermoplastic port protector or closure covers the port and defines a frangible section. The closure has a length to diameter ratio providing good mechanical advantage leverage to rupture the frangible section when the closure is pushed sideways.