Process for preparing space-dyed yarn

US4063888A · kind A · utility

Assignee

• The United States of America, as represented by the Secretary of Agriculture · US

Inventors

• Richard A. O'Connell · Corona, US
• Robert E. Foster · Mesilla Park, US

Key dates

• Filing date: Nov 23, 1976
• Grant date: Dec 20, 1977
• Expiry date: Nov 23, 1996

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06B11/0009
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Yarn is space-dyed by a process wherein the yarn is wound around a receptacle, e.g., a perforated package dyeing tube. A dyebath is allowed to flow through the yarn. The flow of dye is partially restricted or channeled in such a manner that the yarn becomes intermittently dyed.