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.

Abstract: A method of sealing containers is disclosed in which a glass jar having a small upwardly convex bead on its rim is filled and sealed using a metal foil membrane with a heat seal resin on its undersurface and a plastic snap cap having a material thickness over the bead on the jar of at least twice the height of the bead. The foil membrane is induction heated while high unit pressure is applied against the top of the snap cap to impress the bead on the jar and foil membrane into the plastic of the cap to form the foil membrane over the convex surface on the bead and seal the membrane to the jar.

Abstract: A closure assembly is disclosed which includes a plastic sealing ring having an annular channel in it for receiving and sealing against the entrance mouth of a container, a metal foil liner spanning the sealing ring and a flexible plastic overcap which receives the sealing ring and foil liner therein. The foil liner has a heat seal coating on one or both faces for sealing to the sealing ring and, in some packages, to the plastic overcap. The three-piece closure assembly is positioned on the entrance mouth of a container and the foil liner is induction heated to soften the heat seal coating thereon to seal the liner to the sealing ring. Induction heating may also be employed to adhesively join the foil liner to the undersurface of the overcap and seal the sealing ring to a foil layer in the container body.

Abstract: A container for storing and dispensing sterile liquids is provided with a hermetically sealed overcap. An outer ring fits over the overcap and the overcap and outer ring have interfitting threads. The outer ring defines a jacking member for moving the overcap axially upwardly on a bottle neck when the outer ring is rotated downwardly. Antibackoff means are provided for axially interlocking the outer ring and overcap, limiting upward rotational displacement of the outer ring with respect to the overcap.

Abstract: A ratchet mechanism is provided for preventing disassembly of an outer ring used to jack a hermetically sealed overcap from the neck of a container. The ratchet mechanism comprises a set of teeth on the outer ring which act in cooperation with a set of teeth on the overcap thereby providing a means for preventing rotation of the outer ring in a direction tending to unscrew the outer ring from the overcap, but permitting rotation of the outer ring in the jacking direction.

Abstract: The edge of a cover is welded to the edge of a vessel by disposing a multi-section, separable welding tool therebetween so that substantially the entire vessel opening is uncovered. The edges are heated by the welding tool. Thereafter, the edges and tool are separated to allow the sections of the tool to be separated without passing across the vessel opening. Then the edges are joined together. The cover can include a depending lip which bears against an inside wall of the vessel during the heating, displacing and joining steps to maintain proper alignment between the cover and the vessel.

Abstract: There is provided an improved means and method for attaching a flexible tube to a container of the type having a stub tube port with an end of the tube fitted over the stub port. The attaching means includes a resilient ring tightly fitted over the tube end and a retainer cap fitted over the ring and bonded to the container.

Abstract: The open top of a container is surrounded by a rim having a curved upwardly presented surface and a slight ridge projecting upwardly from the curved surface. A seal membrane containing a metal foil extends over the open top of the container and seats against the ridge on the container rim. A flexible lid fits over the membrane and interlocks with the rim so that the membrane is interposed between the ridge and the lid. The lid has a downwardly opening annular groove which receives the container rim and this causes the seal to wrap generally around the curved upper surface of the rim. Once the lid and membrane are in place, the membrane is induction heated above the melting point of the container material, while a downwardly directed force is applied to the lid. The ridge, which is in contact with the seal membrane, melts down and thereafter is allowed to cool while the force is maintained on it, so that when the material solidifies, it is bonded to the membrane.

Abstract: A novel membrane-to-closure mouth structure is effected by causing a paraffin-based heat activatable peelable sealing ply on a thin metallic foil to adhere to a sealing face of a closure mouth composed of a polymer such as polyethylene by electromagnetically inducing intense abbreviated heat in the foil and consequent focusing of the heat activation necessary for resin migration under pressure to form a water and gas transmission barrier in a frangible sealing ply structure composed primarily of low tensile strength waxes complemented by tackifying materials.

Abstract: The neck opening of a filled plastic bottle is sealed by a sealing unit ultrasonically welded to the top of the neck. The sealing unit can be a one-piece member having an upwardly projecting hollow portion arranged to be broken off to provide an opening for dispensing the contents of the bottle. Alternatively, the sealing unit can be composed of an inner cap, an outer cap and a sealing disc interposed between the caps, this unit being arranged to be pierced by a cannula for withdrawing the contents of the bottle.

Abstract: Tamper-proof closure seal for containers such as bottles, cans, and the like and methods of tamper-proofing and manufacturing tamper-proof closure seals which preclude inadvertent openings of product containers, readily indicate to prospective consumers that a product container has been opened or tampered with and which yet still enables easy intentional opening of such product containers.

Abstract: For wine bottles and similar containers, an improved heat-shrunk film tape secondary closure of the type employing a tear strip to facilitate opening. The film is formed of certain acrylonitrile:methylacrylate or butadiene:styrene copolymers, which conform smoothly and tear cleanly, thereby enhancing the appearance of both the sealed and opened containers.

Abstract: A tamper-proof label adapted to be applied to joined surfaces of a member and heat sealed in place. A label includes a sheet adapted to bear identifying indicia with the sheet being cut in at least one location and the cuts being spaced so that they are located on each side of adjoining surfaces of the member to which the label is applied. The cuts permit material of the member to flow therethrough and over the exposed surface of the label when a predetermined amount of heat and pressure is applied so as to mechanically lock the label in position.

Abstract: A continuous electrically conductive ring is applied to the top of a lid which is used for covering a container opening. The lid is then placed on the opening of the container and current is placed in the conductive ring. The current in the conductive ring causes heat which causes the lid material to fuse to the surface contacts of the container opening. The current is then removed and the material is allowed to cool creating a seal between the lid and the container.

Abstract: A cap type structure for closing a pour-out opening in the top of a packing container wherein the pour-out opening terminates in an outwardly turned flange portion which engages and interlocks with an inwardly turned flange portion on the cap which is made of plastic material and a sealing ring of thermo-plastic material is located between the inter-engaging flange portions. The cap is removed by means of a pull tab which is secured to the flange portion of the cap which causes the flange to be torn off.

Abstract: The disclosure relates to a label on a closured bottle, including a pilfer-proof feature. The neck label comprises a secondary closure in the form of a sleeve of a shrinkable oriented thermoplastic material shrunken snugly over the bottle and its closure skirt. The label stock is preprinted in a web and rolled as a supply, the roll width representing the label height. The label stock is (1) scored a partial depth of its thickness extending lengthwise along a line that is at a predetermined height in the final label and (2) pleated transversely at spaced intervals therealong. The pleats are spaced so that a predetermined number thereof appear in each label blank cut from the stock. Label blanks are cut to length, wound to an annular sleeve shape so that the trailing end of the blank overlaps the leading end and the overlapped ends united at an axial seam.

Abstract: A closure system for a medical liquid container having a dispensing outlet surrounded by a flange over which is fitted a plastic cap. The cap is externally threaded and has an outwardly-projecting brim at its lower end overlying the flange. The brim is sealed to the flange along an annular zone having an inner boundary defining an annular line of weakness, and an internally-threaded breakaway ring is threadedly disposed on the cap. The breakaway ring includes a plurality of circumferentially-spaced depending projections for stressing the brim along portions of the annular line of weakness and for initiating and propagating the rupture of the brim as the breakaway ring is screwed downwardly upon the cap.

Abstract: A paint container comprising a clear plastic sidewall construction preferably of polypropolene enabling the accurate observation of the paint contained therein through the walls of the container. The closure member comprises a multi-laminate seal including prestressed films designed to enable a slit to be made in the seal surface permitting access to the paint while providing advantages set forth in detail herein.

Abstract: A tamperproof sterile needle package including a relatively rigid cartridge loosely supporting a hypodermic needle for aseptic removal. After the cartridge is opened, the needle is removed by tipping the cartridge body and spilling the loosely-supported needle onto a sterile surface. When sealed within the cartridge, the needle and its tip are fully protected against damage and contamination despite the loose fit between the parts. The cartridge includes a cover with an integral lever which is lifted to pry the cover free of the body, without contaminating either the needle or the mouth of the cartridge, when removal of the needle is desired.

Abstract: A fluid product reservoir to store a fluid product as for use in a pressurized spray system of the type concurrently discharging a gas and a spray product. The reservoir is leak-proof, economic to manufacture, and minimizes pressure fluctuations upon the dispensing of the fluid product. The reservoir provides a closed container having an open neck with interior walls defining an open throat. A plug is located in and closes the throat. An elastically penetrable insert is sealably located in a central opening of the plug. The method includes a method of storing a liquid product in a reservoir by providing a closed container having a neck portion defining an open throat. A plug is provided to close the open throat, and an elastically penetrable insert is provided in the plug. The method further includes a method of sealing the plug in the open throat.