Device for erecting flat-folded tubular blanks

Details Device for erecting flat-folded tubular blanks Device for erecting flat-folded tubular blanks

2009-02-24

2011-12-13

Harmon, Christopher (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container or tube erecting, opening, or collapsing

C493S181000, C493S313000, C493S316000, C493S317000, C493S177000

Reexamination Certificate

active

08075467

ABSTRACT:
The device for erecting flat-folded tubular blanks supplied in flat-folded form comprises a collecting group provided with first gripping means which are mobile between a pick-up station of the single tubular blanks from a store and an opening station of the single tubular blanks. An opening group is arranged in the opening station and provided with second gripping means for gripping the single flat-folded tubular blanks at a second surface thereof, opposite the first surface engaged by the first gripping means. The second gripping means are mobile between a gripping position of the single tubular blanks and a distanced opening position thereof. A folding organ is destined to progressively engage a free side of the single tubular blanks during the course of opening, for completing the erecting of the tubular blanks.

REFERENCES:
patent: 4285679 (1981-08-01), Wahle
patent: 4437851 (1984-03-01), Salenbo
patent: 4917659 (1990-04-01), Mohaupt et al.
patent: 5024640 (1991-06-01), Saitoh
patent: 5120293 (1992-06-01), Franklin
patent: 5207630 (1993-05-01), Decker et al.
patent: 5298008 (1994-03-01), Decker et al.
patent: 5514068 (1996-05-01), Calvert et al.
patent: 6915622 (2005-07-01), Spatafora

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