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.

Date of Patent:
Sep. 25, 1979

Filed:

Apr. 24, 1978
Applicant:
Inventor:

Armando D'Agnolo, Porcia, IT;

Assignee:

Officine Savio, S.p.A., Pordenone, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ;
U.S. Cl.
CPC ...
57279 ; 57 587 ; 57 5883 ;
Abstract

A spindle for double twisting with pneumatic threading, comprising a tubular stationary part coaxially positioned above a rotatable part containing a yarn passage conduit therein, the stationary part and rotatable part together forming a nozzle creating a venturi effect along the axial portion of the yarn passage conduit, a pressurized fluid feed conduit in the rotatable part, the stationary part defining a reception and distribution chamber in communication with the pressurized fluid feed conduit, a pressurized fluid transport conduit, a yarn clamp within the tubular stationary part and a pneumatically operated piston for overcoming the braking pressure of the clamp.


Find Patent Forward Citations

D'Agnolo, Armando. (1979). Spindle for double twisting with pneumatic threading (U.S. Patent No. 4168605). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4168605

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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