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:
Feb. 20, 2018
Filed:
Nov. 20, 2013
Dott. Ing. Mario Cozzani S.r.l., Arcola, IT;
Andrea Raggi, Lerici, IT;
Massimo Schiavone, Carrara, IT;
Luigi Torre, Narni, IT;
Alessandro Vollonnino, La Spezia, IT;
Josè M. Kenny, Terni, IT;
Andrea Terenzi, Terni, IT;
DOTT. ING. MARIO COZZANI S.R.L., Province of la Spezia, IT;
Abstract
Material suitable for the manufacture of valve shutters for the cylinders of the reciprocating compressors comprising a thermoplastic matrix consisting of polyether ether ketone (PEEK) or polyether imide (PEI) or mixtures thereof filled with glass and/or carbon fibers, characterized by comprising, in percentages by weight at least one of the following inorganic nano-particles, or a mixture thereof: 4-30% of wollastonite, 4-30% of metal oxide, 4-30% of carbon nano-fibers, 4-30% of sepiolite, 4-30% of mixtures of silica and alumina, 4-30% of fluoro-mica for a total quantity of 4-30% of nano-particles.