Ink rejecting paddle wheel distributor

Details Ink rejecting paddle wheel distributor Ink rejecting paddle wheel distributor

1989-07-25

1991-03-19

Olszewski, Robert P.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271315, 101420, 524424, B65H 2900, B41F 2100

Patent

active

050004379

ABSTRACT:
To prevent deposition of ink, and accumulation of ink deposits on the paddles or vanes (8) of a paddle wheel distributor (2), the paddles or vanes are made of a plastic material which has a surface which rejects ink, and prevents accumulation thereon; a suitable material is polyamide, preferably reinforced with fiber or filamentary material, such as carbon fibers, the polyamide of the type polyamide 6.6 being present in about 70% with 30% carbon fibers. This permits making the vanes with a part-spherical or part-circular, or elliptical cross section to provide rounded corners and hence gentle handling of printed products (7) collected in the pockets between adjacent vanes. Braking tongues (9) located between axially staggered rings (4) of vanes can be of the same material and are so positioned that, in a plane transverse to the printed folded products, such as newspapers being inserted into the pockets between the vanes, are deformed in a gentle or slightly undulating shape.

REFERENCES:
patent: 4395512 (1983-07-01), Kubota et al.
patent: 4434979 (1984-03-01), Kobler et al.
patent: 4454283 (1984-06-01), Street et al.
patent: 4615518 (1986-10-01), Di Blasio
patent: 4694750 (1987-09-01), Greene
patent: 4846062 (1989-07-01), Difflipp et al.
"Atlas des Zeitungs-und Illustrationsdruckes", (Atlas of Newspaper and Magazine Printing, by A. Braun, Frankfurt 1960, FIG. 91 on p. 76.

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