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:
Apr. 13, 1999
Filed:
Sep. 05, 1997
Ernst Fehrer, A-4020 Linz, AT;
Other;
Abstract
A device for needling a prebonded web (1), comprises at least one needle board (3) reciprocatingly movable in a stitching direction, a stitch base (2) between a feed roller (6) and a discharge roller (7), which stitch base is located directly opposite the needle board (3) and forms a web guide that is convex in a direction of web movement. The stitch base (2) consists of blades (9) extending transversely to the direction of web movement and having end faces (10) defining a continuously curved enveloping surface. The end faces (10) constituting a web support, and between which blades there engage at least two needle rows extending tranversely to the direction of web movement engage between adjacent blades during their reciprocation.