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:
May. 19, 2026
Filed:
May. 30, 2024
Wuyi University, Jiangmen, CN;
WUYI UNIVERSITY, Jiangmen, CN;
Abstract
An intermittent extrusion system and an extrusion device are disclosed. The intermittent extrusion system includes a barrel and an extrusion unit. The extrusion unit includes a first screw and a second screw, both the first screw and the second screw are installed in the barrel and can rotate in the barrel, a screw thread of the first screw can mesh with a screw groove of the second screw, the first screw has at least one thread start, and the second screw has at least one thread start. The first screw rotates at a constant speed, while the second screw rotates intermittently, and a rotating direction of the first screw is opposite to that of the second screw.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile