ECO-FRIENDLY BLISTER PACK Russian patent published in 2024 - IPC B65D75/34 B32B3/30 B32B7/05 B32B7/12 B32B27/08 B32B27/18 B32B27/30 B32B27/32 

FIELD: blister packs.

SUBSTANCE: environmentally friendly blister pack containing two multilayer films, and a method for producing such a blister pack containing a pharmaceutical or food product. The blister pack contains a thermoformed web (30) with cavities (10) made in it for the product, containing at least two co-extruded layers: a main layer (34) containing HDPE and up to 2% of the first additive, and an adhesive layer (36) containing HDPE and not more than 50% LLDPE, and a flat substrate (20) containing at least three co-extruded layers: an outer HDPE layer (22) containing up to 5% of a second additive, an intermediate HDPE layer (24) containing a third additive, suitable for reducing elongation at break, and an inner adhesive layer (26). The thermoformed web (30) and the flat substrate (20) are connected by heat sealing.

EFFECT: providing physical protection and barrier properties inherent in traditional blisters, but at the same time being more environmentally friendly, meeting the standards of protection from opening by children and convenience for the elderly.

19 cl, 4 dwg, 4 tbl