LID ASSEMBLY FOR A PACKAGING CONTAINER, PACKAGING CONTAINER WITH SUCH A LID ASSEMBLY, AND METHOD FOR PRODUCING SAME

A lid assembly, for a packing container, includes a lid ring of a plasticizable, thermoplastic polymer material and a dimensionally stable lid part, to be placed on the lid ring. The lid part (or the lid ring) has a layer of a peelable plastic material, on a side facing the lid ring (or the lid part...

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Bibliographische Detailangaben
Hauptverfasser:	GERBER, Eugen, ZIMMERMANN, Joachim, HAUCK, Peter, KOCKSCH, Holger
Format:	Patent
Sprache:	eng ; fre ; ger
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 MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	A lid assembly, for a packing container, includes a lid ring of a plasticizable, thermoplastic polymer material and a dimensionally stable lid part, to be placed on the lid ring. The lid part (or the lid ring) has a layer of a peelable plastic material, on a side facing the lid ring (or the lid part), that contains a sealable, thermoplastic polymer or is coated with a cover layer of such a polymer. The lid ring (or the lid part) has an end face facing the lid part (or the lid ring), with two parallel circumferential projections, arranged at a distance of at most 3 mm and sealed to the peelable layer or to the cover layer of the lid part (or of the lid ring). A packing container with such a lid assembly as well as a method for manufacturing same by ultrasonic welding are also provided.