Abstract: A reclosable can lid is described which does not require a separation of a metal surface associated with chip formation in the opening process, which ensures the respective required leak tightness on the reclosing, even in the case of a pressure build-up resulting in the respective container, and which has a high functional reliability with a particularly economical manufacturing option.

Abstract: The present invention discloses a can, and provides an enclosure structure for cans with advantages of simple enclosure, low cost, safe and hygienic assurance and opening easiness, as well as a process for machining such an enclosure structure. The present invention solves technical problems in the prior art that pull-outward tabs are easy to break and hard to open while fold-inward tabs have poor safety and hygienic assurance. The enclosure structure of the present invention comprises a top cover of a can, an opening being provided on the top cover. An annular closed boss is provided on an outer edge of the opening; an enclosure covering plate is provided on the annular closed boss; a plastic film is provided on an upper end surface, corresponding to the enclosure covering plate, of the annular closed boss; and the enclosure covering plate is connected in a sealed manner to an upper port of the annular closed boss via the plastic film.

Abstract: The present invention relates generally to manufacturing metallic closures from a continuous coil of a pre-coated sheet metal material. More specifically, the present invention relates to manufacturing crown closures adapted for interconnection to a crown finish on a neck of a container using a continuous coil of pre-coated sheet metal material. In one embodiment, marketing indicia or product information may be applied to the closures after formation of the closures.

Abstract: A system and method for laser marking can ends, especially pull tabs, includes coating a portion of the can end and/or pull tab with a lacquer having a photonically active material and directing a laser to the lacquer to alter the appearance of the of the photonically active material to form an image, especially a high resolution image. The decorated can end and/or tabs may have a high resolution image.

Abstract: The present invention relates to a binder useful in coating end uses. The binder preferably includes an aqueous polymer dispersion and a vinyl polymer. The binder is useful in packaging coatings, including coatings for use on food or beverage cans, or a portion thereof.

Abstract: The present application provides a container, such as a metal or plastic can, that has a rim with an integral heat seal zone (26) and a heat sealable powder or hot melt coating (42) applied to the heat seal zone (26) of the upper rim. In another embodiment, the container includes: a sidewall having an upper rim, wherein the upper rim includes an upwardly inclined and integrally formed heat seal zone (26); a heat sealable coating (42) applied to the heat seal zone (26) of the upper rim; and a peelable foil lid (30) removably attached to the heat seal zone (26) of the upper rim.

Abstract: A system and method for laser marking can end, including a can end center panel and/or pull tab. The decorated can end and/or tabs may have a machine readable image.

Abstract: A polymer and coating compositions containing the polymer are provided that are useful in coating applications such as, for example, food or beverage packaging coatings. The polymer preferably includes a polyester backbone and at least one deblockable isocyanate group attached to the backbone. In one embodiment, the polymer includes a polyester-carbamate backbone, one or more pendant deblockable isocyanate groups, and one or more terminal or pendant isocyanate-reactive groups. The deblockable isocyanate groups may be provided, for example, through use of a partially blocked polyisocyanate.

Abstract: A can lid (1) with a re-closable opening (11), in particular for drinks cans, is described. It has an opening region or a closure cover (11), bounded by a peripheral tear-open notch (4), and a lever member intended for breaking through the tear-open notch. Adjacent to the tear-open notch (4), the outer rim of the closure cover (11) is non-positively connected to a collar part (5) of a first plastics material. The collar part is assigned a cover receiving part (10), of a second plastics material, which is outside the opening region and adjacent to the tear-open notch and is non-positively connected to the cover area, wherein the collar part engages over the cover receiving part. Formed between the collar part (5) and the cover receiving part (10) is a sealing snap-in locking connection with a peripheral domed rib and a complementarily formed recess. A pull tab (15) is fastened to the fixing region of the collar part radially outside the cover receiving part.

Abstract: A metal closure is described, in the form of a foil lid (1) bonded to a metal annular component (such as a container body or separate intermediate ring). The foil lid (1) and annular component are made of dissimilar metals, with the closure adapted to prevent bimetallic corrosion at the interface between the dissimilar metals of the foil lid and the annular component. The closure is adapted such that the lid comprises a peripheral wall which is upstanding from the annular component such that a gap is maintained between the annular component and an exposed metal peripheral edge of the lid. Further aspects of the invention include: i. a method for making such a metal closure; and ii. an apparatus for making such a metal closure.

Abstract: A method and apparatus for forming a visible symbol or other indicium on a tab portion of a beverage container. The method comprises the steps of advancing a tab stock material through a series of tab-forming stations. The tab portion is at least partially formed from the tab stock at each of the tab-forming stations. The advancement of the tab stock is dwelled or halted while the tab is formed. The tab stock is accelerated from dwell to resume advancement of the tab stock material between the stations. A selected portion of the tab is irradiated with light energy to form the visible indicium. The apparatus comprises a plurality of tab-forming stations, each tab-forming station at least partially forming the tab from a tab stock. A conveyor or track mechanism is configured to advance the tab stock from one tab-forming station to another. An etching apparatus is associated with the conveyor and tab-forming stations to selectively etch the symbol on the tab.

Abstract: A method for producing a printed and embossed deep-drawn lid of aluminum that is circular in plan view. The method comprises: (a) printing an aluminum plate with at least one of a varnish and a paint; (b) cutting the aluminum plate; (c) deep drawing; (d) embossing; and (e) optionally, edge rolling. Steps (b), (c), (d) and optionally (e) are carried out with a single tool. A lid obtainable by this method is also disclosed.

Abstract: A metal container or component part of a metal container (e.g. a can end or sidewall of a can body) has an aperture defined by a cut edge about the periphery of the aperture, with a cover element sealed to the outward-facing surface of the can end so as to extend over and cover the aperture. A film of lacquer is directly applied (without the presence of an intermediate primer layer) to the inward-facing of the container/component part so as to coat the entirety of the cut edge and all or part of the inward-facing surfaces of both the can end and that part of the cover element located radially inward of the cut edge, thereby inhibiting corrosion of the cut edge. The invention is particularly suitable for can ends. The invention also relates to a method of making a can end to the invention.

Abstract: An electricity storage system comprises a plurality of battery cells in which battery elements are accommodated in angular metal battery cases, wherein the plurality of battery cells are connected together electrically and are disposed in such a manner as to form spaces between the metal battery cells, and wherein the metal battery cell comprises an angular metallic housing on an external surface of which irregularities are formed and a resin portion which is injection molded integrally on the external surface of the metallic housing.

Abstract: The present invention relates to a method for manufacturing a design tab end of a beverage can, in which a base color is painted on an aluminum tab coil before forming a tab, and a design is printed on the surface of the tab coil on which the base color has been painted, thereby making the color of the tab gorgeous and raising the value of the product.

Abstract: A gas barrier synthetic resin container 10 has an opening portion 12 defined by a flange 12A, a body portion 14 having the opening portion 12, and a bottom portion 16 for closing the end of the body portion 14. The container 10 is a wide mouth container having the minimum inside diameter Dmin of the opening portion 12 larger than the maximum inside diameter Dmax of the body portion. Alternatively, the container 10 may be a wide mouth container having the minimum inside diameter Dmin of the opening portion 12 smaller than the maximum inside diameter Dmax of the body portion, the difference between the diameters being equal to or less than 20 mm. A diamond-like carbon film 18 is formed on an outer wall of the body portion 14 and bottom portion 16 of the container 10. After the container 10 has been filled with contents, a metal cover 20 and the flange 12A are double-seamed onto the container to provide improved gas barrier properties to the entire container.

Abstract: A thin-walled, deep-draw-ironed seamless can comprising a laminate of a metal sheet and a biaxially stretched film of polyester or copolyester mainly comprising an ethylene terephthalate unit. The thickness of the side wall portion of the can is reduced to from 30 to 85% of the original thickness of the laminate. The film layer on the side wall portion of the can has a parallel component orientation (D1) defined by formula (1) of 65% or more and a half width (Wh) of the peak at an angle of diffraction 2.theta. of from 14.degree. to 20.degree. falling within 1.8.degree..

Abstract: A packing container is disclosed in which an end wall of the packing container has an opening formed therein for emptying the contents of the container. The opening in the end wall is covered by a cover strip which is detachably secured to the end wall. The cover strip and the end wall are formed of a plastic coated metallic material and the cover strip is secured to the end wall along a sealing joint that surrounds the opening. The cover strip is secured to the end wall by surface fusion.

Abstract: A laminated draw-formed container obtained by draw-forming a laminated material of a metal plate on which a resin film is laminated into a cup with bottom, wherein the resin film comprises a polyester composition which contains a polyethylene terephthalate component as a chief component and further contains a polyethylene isophthalate component and a polybutylene terephthalate component, the resin film having a density of from 1.32 to 1.39 g/cc at any part of the container and further having, on the upper part of the container, a trans ratio of ethylene glycol residue of from 0.1 to 1.5 as found by the ATR method, as well as a process for producing the container. The draw-formed container exhibits excellent shock resistance irrespective of the passage of time, and particularly dent resistance and barrier property against corrosive components, as well as intimate adhesion to the metal substrate.

Abstract: Disclosed is a laminated metal plate for a drawn can, which comprises a laminate comprising a base metal, a layer of a film of a polyester composed mainly of ethylene terephthalate units and, if desried, an adhesive primer layer interposed between the base metal and the polyester film layer, wherein the X-ray diffraction intensity ratio, defined by the following formula (I), of the polyester film layer is in the range of from 0.5 to 15:R.sub.X =I.sub.A /I.sub.B (I)wherein R.sub.X represents the X-ray diffraction intensity ratio, I.sub.A represents the X-ray diffraction intensity by the diffraction plane parallel to the surface of the polyester film, which has a spacing of about 0.34 nm (CuK.alpha. X-ray diffraction angle is 24.degree. to 28.degree.), and I.sub.B represents the X-ray diffraction intensity by the diffraction plane parallel to the polyester film surface, which has a spacing of about 0.39 nm (CuK.alpha. X-ray diffraction angle is 21.5.degree. to 24.degree. ).

Abstract: A method is described for producing a can end from metal with at least one opening tab to be pushed in towards the inside portion of the can end. The method of this invention comprises the steps of forming a bulge which is directed upwards, partial punching of the opening tab for leaving a hinged area, displacing of the opening tab in relation to the edge area of the aperture towards the inside of the can end, final reforming of the edge area of the aperture and/or opening tab into a final form, and, if applicable, also coining the edge area of the opening tab so that the edge area of the aperture covers the edge area of the outside of the can end in the form of a ring. During the complete reforming and, if applicable, the coining operation, the two edge areas are held at a mutual axial distance from each other.

Abstract: The primary object of the present invention is to provide an easy-open lid having an opening score defining a portion to be opened, an opening tab formed on the portion to be opened and a covering strip of a protecting resin formed to stride over the opening score beyond both the sides of the score, which is excellent in the rusting-preventing property of the score portion and the stain resistance of the covering resin strip, and a process for the preparation of this easy-open lid.In the easy-open lid of the present invention, an organic resin coating is formed on the outer surface of the lid, the covering resin strip is formed of a plastisol of a vinyl chloride resin containing at least one additive selected from the group consisting of anchoring fillers, tackifiers and amino resins, and the covering resin strip is peelably bonded to the organic resin coating.

Abstract: A device for applying a viscous sealant (D) in annular form onto a substantially flat surface, specifically on to a can end (14) is provided with an approximately horizontal annular transfer surface (2a, 3a) provided at the free upper end of a material transfer head (1). A pass (4) opening towards the transfer surface (2a, 3a) is provided in the material transfer head (1) and is fed with sealant from a continuously operating pump device (P1). An open-top interior (8) surrounded by the transfer surface (2a, 3a) and provided in the material transfer head (1), which is connected to a backflow pipe (9) for excess sealant, is, in addition, permanently connected to a vacuum source (P2). Further, a transfer device (18) is provided by which the can end (14) is vertically movable in relation to the transfer surface (2a, 3a). (FIG. 1).

Abstract: The process and apparatus of the invention provide a coat of lacquer or varnish covering a tear-off cover, which is formed from a thin ferromagnetic metal, has a circumferential supporting lip and is equipped with a tear-off opening made by scoring and/or punching in or out the cover surface. To provide the coat of lacquer or varnish the cover is moved through an electric coating tank, a washing tank and drying zone with the plane of the cover oriented substantially vertically while being supported exclusively on the surface of the inner wall of the supporting lip. The entire surface of the cover is completely covered by the lacquer or varnish coating except for a small portion on the inner wall of the supporting lip which is positioned inside the closed container in a folded seam and/or covered by a sealing material.

Abstract: A large volume metallic composite container consisting essentially of a plurality of metal plates welded end-to-end, each said metal plate having a stainless metallic layer on the periphery of at least one side thereof and on the ends thereof and a heat-sensitive anti-corrosion coating consisting essentially of a thermoplastic resin on at least one side of each said metal plate and overlapping said stainless metallic layers over a length of at least about 10 mm and at least about 10 mm from the weld used to weld the plates together. The process of making of such containers is also disclosed.

Abstract: A conical can end wherein the central expansion panel of the end is drawn to form a conical frustum with a panel at the apex end thereof, an aperture in the apex panel, a push-down gate beneath this aperture and a short hinge means interconnecting the gate with the apex panel.

Abstract: A container and a method for making the same for a gas generating propellant such as used in vehicle air bag systems. The container comprises an elongated thin wall metal cylinder having a plurality of perforations extending substantially the length thereof. A hermetic liner is attached to the inner surface of the cylinder to seal the perforated area of the wall. The hermetic liner comprises a laminated plastic film and metal foil composite having a thickness less than that of the cylinder wall and being rupturable under the pressure of gas generated within the cylinder. The ends of the cylinder are closed by metal end caps.

Abstract: A method of annealing the flanges of double seamed end panels to obtain an effective seal and apparatus therefor.

Abstract: The process of the present invention allows for the manufacture of lacquered aluminum or tin-plate rings which have the inner edge thereof bent over outwards so that they are suitable for the closures on cans for foodstuffs. A ring blank made of lacquered sheet is pre-shaped by deep drawing to form the curvature needed for bending over the inner cut edge. The final shaping of the pre-shaped blank into a ring for a can lid takes place, after stamping out the opening, by stretching and bending over the cut edge. When a tear-back membrane is sealed on to the bent-over edge, the ring is suitable as an easily opened closure for cans for foodstuffs.

Abstract: A method of producing stock material wherein a steel base is provided with a layer of tin thereon, the tin-layered steel is then cold rolled and thereafter heated to a temperature above 250.degree. F. but below the melting point of tin; in a second method of producing stock material, the stock is heated above the melting point of tin; also included are methods of producing containers utilizing stock produced by each of said stock producing methods; further included is another method of producing containers wherein a steel base is provided with a layer of tin thereon, heated to a temperature between 250.degree. F. to below the melting point of tin, and thereafter formed into a seamless container.

Abstract: Sheet metal parts such as can covers, or the like, are deburred around the edges by an electrochemical treatment step in which the sheet metal to be deburred forms the anode in an alkaline electrolytic bath. The material removal is substantially limited to the location of the stamping burrs and edges around holes in the sheet material by controlling the current flow or current density in response to the physical size of the burr which is mechanically sensed and by properly limiting the duration of the current flow.

Abstract: Metallic container stocks are lubricated with citric acid esters. The improved lubricated container stocks of the invention are characterized by excellent wettability and adhesion of organic coatings in general and especially epoxy resin coating compositions. The citric acid ester lubricants are pharmacologically safe and are easily applied at low cost by electrostatic deposition and other methods presently used for applying prior art lubricating agents. The method of the invention is especially useful in lubricating tinplate strip, blackplate strip, blackplate strip having a chromium-containing coating thereon, and aluminum strip of container stock gauge with citric acid ester lubricants having the following structural formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are individually selected from the group consisting of hydrogen and alcoholic residual containing 1-18 carbon atoms, R.sub.