The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 2009
Filed:
Nov. 11, 2003
Applicant:
Eduard Herda, Peine, DE;
Inventor:
Eduard Herda, Peine, DE;
Assignee:
Fiberweb Corovin GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01J 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention concerns a spinneret plate () for manufacturing a nonwoven fabric, having multiple non-round holes, which are similar to trilobal or multiarmed holes () in particular, for polymer flow outlet to produce filaments, in which identical holes are positioned in rows offset relative to one another. At least a first row () has a positional arrangement of the holes that differs from the positional arrangement of a second row () of rows through rotation of the holes.