Patent US1843573A successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0081218A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for the production of a fleece web

Assignee: Carl Freudenberg KG
•
Filing: 1982-12-04
•
Granted: —
•
Expires: 2002-12-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Verfahren zur Herstellung eines Vliesstoffes, bei dem die verwendeten Fasern flächenhaft zu einer Matte zusammengelagert. durch gegen die Oberfläche gerichtete Strahlen eines fluidischen Mediums verflochten und anschließend verklebt werden; wobei die aus verflochtenen Fasern bestehende Fasermatte mit einem Bindemittel imprägniert, wenigstens irr Querrichtung um wenigstens 20 % linear gedehnt und unter Verfestigung des Bindemittels getrocknet wird. Sowohl hinsichtlich der verwendeten Fasern als auch hinsichtlich des verwendeten Bindemittels kommt vorzugsweise Polyvinylalkohol zur Anwendung. Process for the production of a nonwoven, in which the fibers used are gathered together to form a mat. intertwined by jetting a fluid medium against the surface and then gluing; wherein the fiber mat consisting of interwoven fibers is impregnated with a binder, linearly stretched at least 20% linearly at least in the transverse direction and dried to solidify the binder. Polyvinyl alcohol is preferably used both with regard to the fibers used and with regard to the binder used.

Inventors

  • 👤 Miichiro Kawamura
  • 👤 Mitsuru Fujihashi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 18:41
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; D04H1/49

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag