METHOD AND DEVICE FOR MANUFACTURING MULTI-CHAMBER PACKAGES Russian patent published in 2016 - IPC B65B9/10 

FIELD: metal processing.

SUBSTANCE: method includes forming a first face seal using a first pair of weld guns for formation of packing sleeve film with open end, filling sleeve film a given amount of a first product, forming an intermediate seal on sleeve film by means of a second pair of weld guns, positioned between first pair of weld guns and unloading end of product supply pipe, to form a first chamber containing a first product, having length L2 between first end seal and intermediate seal, filling sleeve film with a given amount of a second product. After filling sleeve film with second product and after second pair of weld guns comes out of from contact with packing film, sleeve film is pushed down with open end by distance L1 + L2, which is total length of said two-chamber package, and a second end seal is formed using first pair of weld guns to seal sleeve film and form two-chamber package with second chamber containing second product, having length L1 between second end seal and intermediate seal.

EFFECT: higher efficiency.

7 cl, 4 dwg