Method and apparatus for producing high quality yarn on a ring-spinning machine

US7552580B2 · kind B2 · utility

Assignee

• Wuhan University of Science & Engineering · CN

Inventors

• Weilin Xu · Hubei, CN
• Zhigang Xia · Hubei, CN
• Wenxiang Ye · Hubei, CN
• Weigang Cui · 红钢城街道, CN
• Wenbin Li · Tuji, CN
• Shangyong Zhang · 红钢城街道, CN

Key dates

• Filing date: Jun 26, 2007
• Grant date: Jun 30, 2009
• Expiry date: Jul 6, 2027

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D01H13/28
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A method of producing a high quality of yarn by an iron-heating apparatus, including the steps of: guiding a yarn to pass between upper and lower rollers, wherein the yarn is exited at a front nip in a twisting triangle area; guiding the yarn to enter to a groove of a heating main body of the iron-heating apparatus; heating the yarn along the groove to reduce a rigidity of the yarn so as to allow the yarn to be easily twisted to form an improved yarn with high quality; and enwrapping the improved yarn on a spun yarn tube. In addition, a counter frictional force is applied at the yarn through walls of the groove such that fiber on a surface of the yarn is further twisted to the yarn for minimizing hairiness.