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:
Jan. 13, 1981
Filed:
Mar. 20, 1979
Olivier Traynard, Mulhouse, FR;
Jean-Pierre Bruggeman, Villeneuve d'Ascq, FR;
Societe Alsacienne de Constructions Mecaniques de Mulhouse, all of, FR;
Institut Textile de France, all of, FR;
Agence Nationale de Valorisation de la Recherche (ANVAR), all of, FR;
Abstract
Each spinning ring of a ring-frame spinning device is carried by a fluid bearing supplied with compressed air for centering and lifting the ring. The flow of compressed air is selectively interrupted or at least reduced by means of an automatic or hand-operated valve or cock in order to reduce or suppress the ring-lifting action. A braking action is thus produced on the ring as it is brought into frictional contact with a top horizontal radial surface of a ring carrier or stator. The braking action can be applied selectively to one or a number or all the rings of any ring spinning frame employed in the textile industry.