Method and device for picking up stacks of blanks

Details Method and device for picking up stacks of blanks Method and device for picking up stacks of blanks

2006-05-23

2006-05-23

Tran, Khoi H. (Department: 3651)

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Unstacking apparatus

C414S796000, C414S795900, C414S796600

Reexamination Certificate

active

07048492

ABSTRACT:
A method and device for picking up stacks of blanks, arranged in at least one layer on a separating sheet having a peripheral portion projecting outwards of the layer; the stacks are removed successively by a pickup member, a free end of which is pressed onto the separating sheet in a position facing a stack for removal, and is then slid in a given pickup direction, and in contact with the separating sheet, beneath the stack for removal. A portion, crosswise to the pickup direction and facing the pickup member, of the peripheral portion of the separating sheet is blocked in position both crosswise to its plane and in the pickup direction by a gripping device before and during removal of the stacks.

REFERENCES:
patent: 3850116 (1974-11-01), Mackes
patent: 4159887 (1979-07-01), Dick
patent: 4526504 (1985-07-01), Hovey
patent: 4877367 (1989-10-01), Cinotti
patent: 5169284 (1992-12-01), Berger et al.
patent: 5380147 (1995-01-01), Hess et al.
patent: 6059514 (2000-05-01), Sanchez
patent: 6332750 (2001-12-01), Donner et al.
patent: 0562432 (1993-09-01), None
patent: 57160827 (1982-10-01), None
patent: WO 01/96221 (2001-12-01), None
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