Patent · US Expired

Process for the reduction of the frosting effect in dyeing of textile fabrics

US4178705A · kind A · utility

4Cited by

4References

8Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Walter Birke · Frankfurt am Main, DE
Hans-Ulrich von der Eltz · Frankfurt am Main, DE
Franz Schon · Frankfurt am Main, DE

Key dates

Filing date	Aug 17, 1977
Grant date	Dec 18, 1979
Priority date	—
Expiry date	Aug 17, 1997

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06B3/201
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Process for reducing the "frosting effect" in the dyeing of textile fabrics made of staple fibers according to a continuous operation with intermediate drying, which comprises flattening the fiber ends protruding from the material web, between impregnating and drying the textile material, by the action of mechanical means onto the surface of the material web and holding them tight to the web surface by ironing, and device for carrying out the said process.

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