Patent ID: 6027437
Filing Date: 2000-02-22
Classification: B31B,B65D

Abstract:
A method of producing a package (1; 1a; 1b), comprising the steps of feeding a sheet material (31) to deforming said sheet material (31) to form a hollow portion (38); cutting said sheet material (31) to form a hollow semifinished body (41; 43) having at least one inlet opening (39); forming on said hollow semifinished body (41; 43) two localized bends (46) on opposite sides of said opening (39) and aligned with each other along an axis (47); and permanently deforming said semifinished body (41; 43) by rotating two portions of the semifinished body (41; 43), located on opposite sides of said axis (47), about the axis (47) to form a body (2; 23; 28) in a stable, partly-open configuration.