IMPROVED NON-FOIL COMPOSITE STRUCTURES FOR PACKING JUICE

IMPROVED NON-FOIL COMPOSITE STRUCTURES FOR PACKING JUICE

The present invention relates to a non-foil composite barrier for an improved container for citrus juices and other liquids. The container utilizes a paperboard barrier laminate for the containment of essential oils and the prevention of losses of vitamin C. Also disclosed is a process of making the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GIBBONS, CHARLES E, TANNER, CYNTHIA L, WHILLOCK, ALLAN A
Format: Patent
Sprache:eng ; kor
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
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:The present invention relates to a non-foil composite barrier for an improved container for citrus juices and other liquids. The container utilizes a paperboard barrier laminate for the containment of essential oils and the prevention of losses of vitamin C. Also disclosed is a process of making the laminate. The laminate makes use of an inner barrier layer of a heat-sealable ethylene vinyl alcohol copolymer to enhance the barrier properties of the laminate. The invention provides a container for liquids containing essential oils and/or flavors constructed from a laminated characterized by the fact that it comprises: a) a paperboard substrate (36); b) a thin outer layer (34) of a heat sealable low density polyethylene polymer coated on said outer surface of said paperboard substrate; c) an ethylene vinyl alcohol copolymer layer (44); and d) a heat sealable layer of a low density polyethylene layer (46).