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:
Jun. 09, 1992
Filed:
Aug. 20, 1990
Applicant:
Inventors:
Gerhard Fetzer, Sussen, DE;
Hans Braxmeier, Sussen, DE;
Assignee:
Fritz and Hans Stahlecker, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57333 ; 57332 ; 57350 ;
Abstract
In the case of a false-twisting nozzle for pneumatic false-twist spinning having a nozzle body formed of one or several segments, it is provided that, for the reduction of the cross-section of the outlet opening of the blow duct, at least one part of its interior wall is provided with a coating.