Non-lap opener

Details Non-lap opener Non-lap opener

1991-02-13

1991-11-19

Look, Edward K.

Sheet-material associating

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B65H 530

Patent

active

050659944

ABSTRACT:
A device for separating a printed product into two groups of pages wherein the product is held between two faces of a pocket and an element presses against the fold to cause the product to bow outwardly and form an opening. A preopener is inserted into the opening and moved toward the free edge. Thereafter, grippers hold the corners to prevent curling and an opener moves across the width of the product where the opposite corners are held.

REFERENCES:
patent: 3692301 (1972-09-01), Wetter
patent: 4373710 (1983-02-01), Hansen
patent: 4496141 (1985-01-01), Nayate
patent: 4709910 (1987-12-01), Honegger
patent: 4723770 (1988-02-01), Seidel
patent: 4743005 (1988-05-01), Reist

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