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:
Apr. 03, 1984
Filed:
Apr. 28, 1982
Roland Winkelmann, Caluire, FR;
Verdol S.A., Caluire, FR;
Abstract
In a double twist spindle assembly of the type including a central spindle having a bore therethrough and extending through a can, the spindle supporting within the can a lower yarn package and an upper yarn package each feeding yarn into the bore of the spindle above the packages, an improved device for guiding the yarn which is unwinding from the lower package to prevent its contacting the upper package comprising a disk between the packages and a corrolla device supported on the disc to guide the yarn from the lower package away from the upper package, and the corrolla device comprising plural interlaced leaf members which lie against the upper package and follow its shrinking diameter so that the corrolla automatically shrinks in diameter as the yarn is used up.