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. 24, 1978
Filed:
Nov. 10, 1976
Applicant:
Inventor:
Christian Roehrich, Chaillevette, FR;
Assignee:
Nuova San Giorgio S.p.A., Genoa-Sestry, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ;
U.S. Cl.
CPC ...
57 56 ; 57 5889 ;
Abstract
Cleaning device for spinning units. According to the invention, the device is placed on a carriage movable along a set of spinning units. The device comprises a pressure fluid supply and a suction supply carried by the carriage. The pressure fluid supply is selectively connectable to a blowing nozzle opening internally of the chamber of each of the spinning units, whereas the suction supply is selectively connectable with a suction duct opening in the spinning chamber and containing a check valve, the opening of which is controlled by the depression or vacuum built up by the suction supply.