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:
Jul. 17, 2018
Filed:
Nov. 08, 2013
Danieli & C. Officine Meccaniche S.p.a., Buttrio, IT;
Andrea De Luca, Via Condotti, IT;
Stefano Del Tedesco, Fontanafredda, IT;
Danieli & C. Officine Meccaniche S.p.A., Buttrio, IT;
Abstract
A control device () for a stopper () comprises: —an outer casing (), —a control rod () sliding through the casing (), rigidly attachable to the stopper (), —a hydraulic circuit () including a double-acting hydraulic cylinder () and a reversible hydraulic pump (), the hydraulic cylinder () having a first and a second chamber () between which a piston () slides, the hydraulic pump () being connected directly to the first and second chamber () by means of a first branch and a second branch () of said hydraulic circuit (, respectively, the piston being rigidly attached to the control rod (), the hydraulic circuit () being entirely housed in the outer casing (), —a control circuit () connected to the hydraulic circuit () to control the position of the piston ().