Rotary folder comprising a cutting device for cross-cutting at least one web
OwnerMichael Held, Sebastian Prüminventors
Life of this patent
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Abstract
A rotary folder includes two cutting devices for cross-cutting at least a first web. The cutting devices are cutting or counter cylinders that can rotate together and that define gaps in conjunction with a conveying cylinder. A path of web conveyance runs through each of these gaps. The conveying cylinder or the cutting cylinders support at least one blade for cutting of a product from the webs. The conveying cylinder comprises a retaining device for retaining a cut-off signature and for conveying the signature through the respective gap. The conveying cylinder or the counter cylinders comprise thrust bearings that interact with the blade.
Claims28
1-27. (canceled)
A wheel folding apparatus comprising:
- a transport cylinder adapted to receive and to transport at least one web of material;
- first and second folding rollers associated with said transport cylinder and defining a folding gap;
- a first counter cylinder cooperating with said transport cylinder and defining a first cutting gap;
- a second counter cylinder cooperating with said transport cylinder and defining a second cutting gap;
- and
- means on said transport cylinder and said first and second counter cylinder to transversely cut said at least one web of material.
Dependencies are inferred from the claim text.