Sheet-material associating – Associating or disassociating – Signature associating
Reexamination Certificate
1998-10-27
2001-11-06
Ellis, Christopher P. (Department: 3651)
Sheet-material associating
Associating or disassociating
Signature associating
C270S052230, C270S052140, C270S052190
Reexamination Certificate
active
06311968
ABSTRACT:
CROSS-REFERENCE TO RELATED APPLICATIONS
Priority is claimed with respect to European Patent Application No. 97810799.3 filed in the European Patent Office on Oct. 27, 1997, the disclosure of which is incorporated therein by reference.
BACKGROUND OF THE INVENTION
The invention relates to a method of producing printed products by inserting partial products and/or enclosures into a primary product, which is supplied, fold-first, to successive, uniformly-spaced pockets disposed transversely to the conveying direction at the beginning of a production path formed by feeders, the product subsequently being grasped at a protruding gripping edge and opened for the insertion of partial products and/or enclosures.
Methods of this type are executed by insertion machines. Such machines are described and illustrated in, for example, patent documents DE-C2-27 06 353, EP-B1-0 336 062 and EP-A2-0 475 192.
These known insertion machines produce about 40,000 copies per hour of a printed product, such as a newspaper, that typically comprises an actual outer portion, or primary product, and one or more partial products and/or enclosures that have been inserted into the primary product, also referred to as pre-products, as they are usually available for processing before the primary product.
An obvious way to attain a substantially higher production output would be to operate the relevant processing components at a correspondingly higher speed. This measure has proven insufficient, however, because the available insertion system, the automatic feeder loading and the removal system would not assure reliable production with an output of over 50,000 copies or printed products per hour.
SUMMARY OF THE INVENTION
It is an object of the invention to create a method of producing printed products with which a significantly higher production output can be attained with unlimited reliability using the insertion system described at the outset.
The above and other objects are accomplish according to one aspect of the invention by the provision of a method for producing printed products, comprising: supplying first primary products, respectively, fold first to successive, uniformly-spaced pockets disposed transversely to a conveying direction at a beginning of a first segment of a production path formed by feeders; subsequently grasping the first primary product in a respective one of the pockets at a protruding gripping edge and opening the primary product for insertion of a partial product or enclosure; and supplying a further primary product, respectively, to the successive pockets on a further segment adjoining the first segment of the production path for producing a further printed product, including partial products or enclosures, in the successive pockets.
The invention thus utilizes the production of a plurality of printed products in one pocket for attaining a higher production output.
With the method of the invention, 40,000 copies each of two identical printed products, or 40,000 copies each of two different printed products, or 40,000 copies of one printed product can be produced with the tried-and-true insertion system, with the feeder capacity being doubled in the first two cases.
To make good use of the existing operating system, and augment it with simple measures, the printed product that was previously completed in the pocket is held securely or retained against the trailing pocket wall so that the further primary product can be provided with partial products and/or enclosures.
Thus, the further primary product can advantageously be opened between the first printed product and the leading pocket wall so it can be provided with the aforementioned items.
To this end, and according to another aspect of the invention there is provided a device for producing printed products by inserting at least one inner partial product or enclosure into an outer primary product, comprising: a conveying device that circulates along a production path formed by feeders in a conveying direction and comprises a plurality of uniformly-spaced, successive pockets disposed transversely to the conveying direction for receiving the products, fold first, and enclosures, the pockets each including pocket walls, means for opening the primary product and a retaining device for holding a front side of a complete printed product, relative to the conveying direction, against a pocket wall.
REFERENCES:
patent: 2796255 (1957-06-01), Mitchell
patent: 3275316 (1966-09-01), Cleary, Jr.
patent: 3988016 (1976-10-01), Merker et al.
patent: 4046367 (1977-09-01), Merker et al.
patent: 4133521 (1979-01-01), Muller
patent: 4477067 (1984-10-01), Wise
patent: 4709910 (1987-12-01), Honegger
patent: 5269504 (1993-12-01), Backman
patent: 2706353 C2 (1977-08-01), None
patent: 0 241 634 A1 (1987-10-01), None
patent: 0 336 062 B1 (1989-10-01), None
patent: 0 475 192 A2 (1992-03-01), None
patent: WO98/33656 (1998-08-01), None
patent: WO 87/07881 (1998-12-01), None
Eugster Albert
Kramer Felix
Linder Heinz
Ellis Christopher P.
Grapha-Holding AG
Kinberg Robert
Mackey Patrick
Venable
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