Method and apparatus for needling a fiber fleece by means of rotatable needles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2000
Grant Date -
N/A
app pub date -
May 13, 1999
filing date -
May 20, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method and apparatus for needling a fiber fleece, the needles are rotated around their own axes at least during their stitching-in motion into the fiber fleece, in order to produce a mutual twisting of fibers within the fiber fleece. In an embodiment of the invention, the needles are moreover moved in parallel to the fiber fleece in two directions orthogonal with respect to one another by drive means which are controllable independently from one another. Thereby, various variation alternatives are provided to influence the formation of stitches.
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