Process and apparatus for superimposing at least two flexible la

Details Process and apparatus for superimposing at least two flexible la Process and apparatus for superimposing at least two flexible la

1989-06-26

1991-08-13

Bollinger, David H.

Sheet feeding or delivering

Feeding

Multiple supplies

271 14, 271 183, 11212115, 11212129, 112303, 112320, 112148, B65H 526

Patent

active

050390791

ABSTRACT:
The invention relates to a process and an apparatus for superimposing at least two flexible sheets, in particular a back panel and a front panel of an article such as a slip. The process comprises forming a stack of each type of sheets and arranging said stacks on a plate (1), then for each of these stacks: gripping at least one sheet by means of a gripping assembly (12, 14) arranged above the plate (1) and relatively displacing said plate and said gripping assembly between a rest position and a sheet gripping position, displacing the gripping assembly (12, 14) so as to bring it above a deposit member (15) and actuating the assembly so as to release the sheet and spread it on the deposit member, returning the gripping assembly (12, 14) above the plate (1) and causing the plate to rotate a portion of a revolution to position a second stack directly below the gripping assembly.

REFERENCES:
patent: 3604701 (1971-09-01), Hawley
patent: 4451191 (1984-05-01), Torre
patent: 4633604 (1987-01-01), Adamson et al.
patent: 4635918 (1987-01-01), Rouleau et al.
patent: 4763890 (1988-08-01), Zimmerman et al.
patent: 4781369 (1988-11-01), Mathias
patent: 4822020 (1989-04-01), Rouleau et al.

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