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:
Dec. 10, 1985
Filed:
Jan. 23, 1981
Applicant:
Inventor:
Eberhard Krenzer, Ennepetal-Ruggeberg, DE;
Assignee:
Barmag Barmer Maschinenfabrik Ag, Remscheid-Lennep, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ; F27B / ;
U.S. Cl.
CPC ...
432 59 ; 28271 ; 28281 ;
Abstract
In an air jet texturing machine or the like for bulking a multifilament yarn with means to conduct the bulked yarn through a heating tube under relatively low tension at high speed, said tube having a nominal inner diameter which is more than 10 times the diameter of the bulked yarn and a length of more than 1 meter, the improvement wherein the yarn tube has at least one yarn encircling beaded segment with a radially inwardly protruding edge which reduces the inner diameter of the tube by at least 5% up to 50% of said nominal diameter.