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. 07, 2004
Filed:
Jul. 29, 2002
Applicant:
Inventors:
Assignee:
Nuovo Pignone Holding S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/532 ;
U.S. Cl.
CPC ...
F16J 1/532 ;
Abstract
A scraper device for a reciprocating compressor piston rod that comprises at least one scraper ring, provided with at least one lip which faces the surface of the said rod, and a box to contain the scraper ring and for centering on the rod, wherein this scraper ring is produced by means of mechanical processing of deformable plastics materials and wherein this container box is accommodated in support elements with radial play.