Paper feeding in a folder

Manufacturing container or tube from paper; or other manufacturi – With cutting – breaking – tearing – or abrading – Including assembling or disassembling of distinct members

Reexamination Certificate

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Details

C493S345000, C493S359000, C493S360000, C493S367000, C270S006000, C270S010000, C270S020100

Reexamination Certificate

active

06193640

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a paper web feeding device for a folding mechanism of a web-fed rotary printing press. A plurality of partial paper webs are combined into one or more partial paper web strands.
DESCRIPTION OF THE PRIOR ART
From DE 38 11 909 A1 it is known, in connection with paper web feeding devices, for a folding mechanism to employ a superstructure, which consists of traction, register and guide rollers, as well as of turning bars, with a longitudinal folding unit for so-called “funnel production”, as well as for so-called “magazine production”. A multitude of longitudinally cut partial paper webs which, in the end, enter the transverse folding unit of the folding mechanism for folding, results from the wide paper webs, which are printed, in particular, in rotogravure printing. To this end, a multitude of traction, register and guide rollers, as well as turning bars, which are arranged above each other in the superstructure, is required, this leads to a great structural height of the web-fed rotary printing press.
DE 44 39 615 A1 describes a paper feeding device for folding mechanisms of a web-fed rotary printing press. In this device, superstructure carriages are provided in two spaced apart planes and one of the superstructure carriages is displaceable.
DE-OS 19 19 695 shows displaceable folding mechanisms.
SUMMARY OF THE INVENTION
The present invention is based on the object of providing a device for feeding a plurality of partial paper webs, longitudinally cut from a particularly wide paper web, to one or two folding mechanisms of a web-fed rotary printing press.
In accordance with the invention, this object is attained by providing a superstructure carriage assembly having two separate superstructure carriages arranged on two spaced planes. At least one of the superstructure carriages is displaceable on its assigned plane. Each of the superstructure carriages has a plurality of turning bars.


REFERENCES:
patent: 1738324 (1929-12-01), Scott
patent: 1796643 (1931-03-01), Ball
patent: 3802693 (1974-04-01), Grachev et al.
patent: 3809303 (1974-05-01), Brunner
patent: 4925170 (1990-05-01), Weis
patent: 5123316 (1992-06-01), Niedemaier et al.
patent: 5685528 (1997-11-01), Weis
patent: 5749567 (1998-05-01), DeAngelis
patent: 5906307 (1999-05-01), Albert et al.
patent: 1919695 (1969-04-01), None
patent: 24 35 583 (1974-07-01), None
patent: 85 01 065 U (1985-01-01), None
patent: 3811909 (1988-04-01), None
patent: 4439615 (1994-11-01), None

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