Apparatus for the shaping treatment of blanks, especially for hi

Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container

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493176, B31B 328

Patent

active

055495370

ABSTRACT:
In the production of hinge-lid packs with especially rounded longitudinally edges (11, 12) a blank (14) is pre-shaped in the region of a shaping station (18). To this end, the regions of the longitudinal edges (11, 12) of the blank (14) are pressed against shaping margins (23, 24) of a shaping plate (20) by shaping rollers (21, 22). To increase the performance of the shaping station (18), the shaping rollers (21, 22) are moved back into the starting position along a path of movement (29) which is located at a distance from the shaping plate (20). During this movement back into the starting position, the pre-shaped blank (14) can be discharged and a following blank can be moved into position.

REFERENCES:
patent: 2609736 (1952-09-01), Montgomery
patent: 3514097 (1970-05-01), Hoff
patent: 4469542 (1984-09-01), Reil
patent: 4708704 (1987-11-01), Focke et al.
patent: 5184998 (1993-02-01), Volk et al.

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