Coextruded multilayer sheet and tough sleeve label made therefrom

(22) Entry day 20.12.85 (24) Lopedag 20.12.65 (62) Divorced / divorced from application no.

(71) (73) Applicant / Proprietor OWENS-ILLINOIS INC, One Sea Gate,

Toledo, OH 45666, USA.

(83) (86) International application no.

(86) International filing day (85) Date of transfer (41) Announcement available on 15.07.86 (44) Announcement day (72) Inventor JAMES ARAM KARABEDIAN, Toledo, OH, USA.

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(74) Full-time A / S Bergen Patent Office, Bergen. (30) Priority requested 14.01.85, USA, No. 691256.

(54) DESCRIPTION OF THE INVENTION PLATE OF MULTIPLE CO-EXTRACTED LAYERS, AND LIQUID LABEL LAPTER THEREOF.

(57) Summary Container and a container heat-shrunk plastic sheath of several co-extruded layers with a strong shell layer and a brittle polystyrene foam layer, where the shell is extruded from a blend of LD polyethylene, a block copolymer and butadiene and styrene as a compound and optionally, small amounts of polystyrene. The amount of block copolymer used is sufficient to provide limited adhesion between the shell and foam layers to maximize the overall label strength. The label can be sealed by ultrasound,