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. 14, 2004
Filed:
Jul. 24, 2002
Applicant:
Inventors:
Herbert Stalder, Kollbrunn, CH;
Peter Anderegg, Witnerthur, CH;
Assignee:
Maschinenfabrik Rieter AG, Winterthur, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01H 4/02 ;
U.S. Cl.
CPC ...
D01H 4/02 ;
Abstract
An apparatus for producing yarn spun from a loose fibre array using a vortex flow includes a fibre supply duct having an outlet opening. A vortex chamber in communication with the outlet opening is also provided. A yarn take-off duct is present with an inlet opening in communication with the vortex chamber. The vortex chamber is also in communication with an exhaust duct. A wall that defines at least a portion of the vortex chamber is present and has an opening disposed therethrough allowing for communication between the exhaust duct and the vortex chamber.