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:
Sep. 25, 2001
Filed:
Apr. 19, 2000
Norbert Heinzle, Wolfurt, AT;
Hansjoerg Dür, Schwarzach, AT;
Hamel AG, Arbon, CH;
Abstract
A hollow spindle, in particular for the manufacture of elastic twisted yarns, has a thread channel (,) extending coaxially with respect to the axis of the spindle (A), through which thread channel is axially moved a yarn (,), in particular an elastic core yarn. The thread channel (,) has ribs (,) on its inner surface (,), which extend in peripheral direction or helically and project inwardly over the surface (,), so that the yarn (,) running through the thread channel (,) rests only pointlike on the ribs, otherwise, however, is supported at a distance from the inner surface (,).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile