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:
Aug. 27, 2002
Filed:
Oct. 06, 2000
Peter-Bernhard Jansen, Gangelt, DE;
Heberlein Fibertechnology, Inc., Wattwil, CH;
Abstract
Apparatus for intermingling multifilament yarns, having an intermingling assembly with a thread channel ( ), and at least one blowing channel ( ) opening into the thread channel ( ), and capable of receiving compressed air, wherein the cross-section of each blowing channel ( ) increases in the direction of the thread channel ( ) and the thread channel ( ) for each blowing channel ( ) has a first segment ( ) before the opening of the blowing channel ( ), a second segment ( ) in the area of the opening of the blowing channel ( ), and a third segment ( ) after the opening of the blowing channel ( ), whereby the second segment ( ) of the thread channel has larger cross-sectional areas than those of the first and third segments. Preferably, the second segment has a width and/or length that increase(s) at least portionwise from the opening of the blowing channel ( ) into the thread channel ( ) in the direction of a wall of the thread channel opposite the opening.