RECYCLABLE, COLLAPSIBLE TUBE WITH BARRIER PROPERTIES

• Main Authors: GEIGER, Andreas, KERN, Philippe
• Format: Patent
• Language: English; French; German
• Published: 03.03.2021
• Subjects: 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

For recyclability in a high value circular recycling material stream, a fluid-tight collapsible polyolefin container comprises a container body (5) formed of a container laminate (1) that is folded to a container-like body, sealed in the overlapping edge regions (2, 3) and coated with a sheathing (4) of polyolefin material to form the container body (5), said container body (5) being provided at one open end with a container head formed from polyolefin material. The container laminate (1) is a laminate having at least three layers, an inner polyolefin layer (6) and an outer polyolefin layer (8) and a barrier layer (7) sandwiched between the outer polyolefin layer (8) and the inner polyolefin layer (6), wherein the barrier layer (7) comprises at least one polyolefin comprising barrier foil like a monolayer foil (71) or a coextruded foil (72 with layers 72a, 72b) or a laminate thereof and wherein at least 90 % of all polymers of the container are made of polyolefin of the same kind.