FIELD: packing of liquids. SUBSTANCE: invention relates to method of making packing vessels consisting of body and upper part. Body of vessel is made by bending multiplayer material to form cup and soldering of material edges to provide impermeability for liquids through connecting seam passing along cup. Upper part is made by extrusion of thermoplastic material to form hose subjected to blow molding to get solid upper parts which are separated from each other and connected with cup. EFFECT: provision of quick and effective making of vessels for liquids at minimum consumption of material. 2 cl, 6 dwg
Authors
Dates
2003-04-20—Published
1997-11-28—Filed