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. 30, 2025
Filed:
Oct. 25, 2022
Smi S.p.a., Bergamo, IT;
Angelo Nava, Bergamo, IT;
Damiano Pesenti, Bergamo, IT;
SMI S.P.A, Bergamo, IT;
Abstract
The present invention relates to a valve assembly for blowing or draw-blowing preforms made of polymer material, applicable to a machine suitable to transform said preforms into bottles or containers. In particular, the invention relates to a valve assembly () comprising a control block () and a blowing block (), in which the blowing block () comprises an outer body () having a longitudinal axis, inside which a blowing cylinder ending at the bottom with a nozzle () suitable to be coupled with the neck of a container (C), is slidingly accommodated, and wherein the control block () receives pressurized air from at least one pressurized air source and sends it to said blowing block () according to a predetermined pressure profile dependent on the selected blowing cycle, in which the control block () comprises a plurality of valves for dispensing pressurized air at different pressures, and an air exhaust valve, characterized in that said valves are driven by pressurized air at a pressure between 15 and 40 bar.