Cutting device and method for cross-cutting a moving fiber web
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Jun 21, 2013
filing date -
Jul 19, 2012
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A cutting device for perforating a running fibrous material web transversely to the web running direction has a first row of blades with a plurality of tips. A displacement device moves the row of blades with a motion component in the web running direction and a motion component perpendicular to the web running direction. Transverse separation by perforation and subsequent tearing is improved, particularly for heavy fibrous material webs (>250 g/mm2), by providing a second row of blades, which has a plurality of tips and which is also displaceable by a displacement device approximately simultaneously with the first row of blades. Cuts are made in the running fibrous web at a spacing distance between the cuts made by the first row of blades and the cuts made by the second row of blades in the web running direction of at least 1 mm, preferably at least 3 mm.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully