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:
May. 03, 1994
Filed:
Jan. 22, 1993
Emile Lonardi, Bascharage, LU;
Jean Metz, Pierret, LU;
Pierre Mailliet, Drosbach, LU;
Guy Thillen, Diekirch, LU;
Radomir Andonov, Mamer, LU;
Philippe Malivoir, Thionville, FR;
Paul Wurth S.A., Luxembourg, LU;
Abstract
A machine is provided for piercing a taphole for a shaft furnace for applying the piercing rod method. The machine comprises a mounting, with a support for supporting the rod at the front of the mounting, a sliding support for supporting the rod at the rear of the mounting and a clamp, mounted in a sliding manner on the mounting and designed for gripping the rod at any place between the front support and the rear support. A travel multiplier is connected between a jack and the clamp so that the clamp may be moved. Means for controlling the jack make it possible to move the clamp in a to-and-fro motion between a position (B) at the front of the mounting and a position (A) which is located at a distance L from the position (B).