The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2026
Filed:
Mar. 14, 2024
Beijing Chonglee Machinery Engineering Co., Ltd., Beijing, CN;
Xiaodong Man, Beijing, CN;
Junxian Qiu, Beijing, CN;
Yubo Mao, Beijing, CN;
Kai Xu, Beijing, CN;
Yadi Li, Beijing, CN;
Yuguo Ren, Beijing, CN;
Bo Hou, Beijing, CN;
Yan Wu, Beijing, CN;
Yu Dong, Beijing, CN;
Xue Bai, Beijing, CN;
Peng Liu, Beijing, CN;
Jing Zhang, Beijing, CN;
BEIJING CHONGLEE MACHINERY ENGINEERING CO., LTD., Beijing, CN;
Abstract
In a spinning-drawing-winding device and a combined machine for industrial bio-based polyamide, according to a traveling direction of a tow, two adjacent rotational directions among a rotational direction of the tow winding through the first pair of drawing hot rollers, a rotational direction of the tow winding through the second pair of drawing hot rollers, a rotational direction of the tow winding through the third pair of drawing hot rollers, a rotational direction of the tow winding through the fourth pair of drawing hot rollers are in opposite to spin an industrial bio-based polyamide filament of 55 dtex-2222 dtex.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile