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. 20, 1988
Filed:
Oct. 20, 1987
Applicant:
Inventors:
Wolfgang Igel, Ebersbach, DE;
Werner Meissner, Hattenhofen, DE;
Herbert Koenig, Ebersbach, DE;
Ulrich Hungerbuehler, Ebersbach, DE;
Assignee:
Zinser Textilmaschinen GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ; D01H / ; D01H / ;
U.S. Cl.
CPC ...
57264 ; 57261 ; 57268 ; 57281 ;
Abstract
A method and apparatus for automatically actuating roving bobbin exchange operations in a textile yarn spinning apparatus. The spinning stations are divided into equal groups and a roving bobbin exchange operation is actuated at each group by a suitable control system, e.g. a microprocessor, as a function of the number of spinning stations of the group identified as down with uncorrectable yarn breaks and as a further function of the total elapsed operating time of the group since the last bobbin exchange operation.