| 摘要 |
FIELD: containers. SUBSTANCE: proposed multilayer barrel has two or more layers of different or similar materials in cross section and at boundary of outer and/or inner side of at least one of layers, at least on part of one of cross sections, part of section boundary line is made in form of fragment or combination of fragment of oblique conical section of strength circuit cone. Built-in shape and/or change of thickness of at least one of layers of multilayer barrel is provided. EFFECT: facilitate process of utilization and/or possibility of use of barrel as design member. 23 cl, 18 dwg |
