MULTI-LAYER PACKING STRUCTURE, PACKING CONTAINERS MADE OF PACKING STRUCTURE AND METHOD OF PACKING STRUCTURE PRODUCTION

FIELD: packing products, particularly multi-layer packing structures. ^ SUBSTANCE: packing structure has rigidity of at least 100 mN and includes intermediate layer of expanded polymeric material. Layer of gas-barrier material is connected to each intermediate layer side. Gas-barrier material has ox...

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Hauptverfasser:	ANDERSSON TORB'ERN, OLSSON KHOKAN
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	FIELD: packing products, particularly multi-layer packing structures. ^ SUBSTANCE: packing structure has rigidity of at least 100 mN and includes intermediate layer of expanded polymeric material. Layer of gas-barrier material is connected to each intermediate layer side. Gas-barrier material has oxygen permeability of not more than 2000 sm3/m2 under 23oC temperature and relative humidity of 0% per 1 micrometer of material thickness during 24 hours under 1 atm pressure. Expanded polymeric material includes the first rigid component and the second, pliable, component. Methods of multi-layer packing structure and packing container production are also disclosed. Containers are particularly formed by blown extrusion. ^ EFFECT: provision of gas-barrier and high stress-strain properties, particularly high rigidity and low weight. ^ 28 cl, 9 dwg