FLEXIBLE CYLINDER FOR COLLAPSIBLE SQUEEZE TUBE

• Main Authors: LEDEWITZ W,US, TWIGG R,US
• Format: Patent
• Language: English
• Published: 01.05.1973
• Subjects: 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; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; 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

A flexible cylinder which is adapted to be used as the body of a squeeze tube is disclosed. The cylinder has a gas-pocket free multi-ply wall including spaced metal foil plies. Along each radial section of the cylinder the wall comprises, in sequence, an inner plastic ply, a metal foil ply, a plastic ply, a metal foil ply, and an outer plastic ply.