Apparatus for the shaping treatment of blanks, especially for hi

Details Apparatus for the shaping treatment of blanks, especially for hi Apparatus for the shaping treatment of blanks, especially for hi

1995-02-10

1996-08-27

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

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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