CLOSURE EDGE PROTECTION VIA POLYMER COATED METAL

Metal closure components and methods for making the same are provided. The closures may be formed from a metal sheet (156) having a pre-formed polymer film (158) adhered on at least one face. A circular blank may be cut from the sheet, such that the blank may have a circular "raw" cut edge...

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Bibliographische Detailangaben
Hauptverfasser:	MARTIN, JAMES L, HOTTLE, LARRY A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PUNCHING METAL STORING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	Metal closure components and methods for making the same are provided. The closures may be formed from a metal sheet (156) having a pre-formed polymer film (158) adhered on at least one face. A circular blank may be cut from the sheet, such that the blank may have a circular "raw" cut edge (160) unprotected by the polymer film. The metal blank may then be formed such that the cut edged may be embedded (172) into the film.