Patent · US Expired

Process for controlling the anisotropy of spunbonded webs

US5525286A · kind A · utility

3Cited by

3References

3Claims

0Family size

Assignee

Polyfelt Gesellschaft m.b.H. · AT

Inventors

Uwe Bornmann · Linz, AT
Manfred Winkler · Herzogenaurach, DE
Heinz Schorgenhuber · Linz, AT

Key dates

Filing date	Aug 18, 1994
Grant date	Jun 11, 1996
Priority date	—
Expiry date	Aug 18, 2014

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD04H3/16
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Process for controlling the anisotropy of the mechanical properties of spunbonded webs through variation of the frequency of vibration of impingement panels at web laydown.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.