Patents by Inventor Dario Lestani

Dario Lestani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8046901
    Abstract: Compact plant for making steel bars and profiles with which, starting from the scrap, it is possible to obtain the finished product, for example bars with commercial length from 6 to 18 meters, pre-packed, packaged and ready for sale, with all the stations placed in line and operating continuously. All the stations are arranged in reduced spaces, thereby reducing both investment costs and plant management costs, and decreasing production times. Advantageously, the plant of the invention incorporates an extremely compact bar packaging apparatus which, through an innovative arrangement and innovative operating method of the components thereof, allows a further reduction in length.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: November 1, 2011
    Assignee: Danieli & C. Officine Meccanicite S.p.A.
    Inventors: Giuseppe Bordignon, Andrea De Luca, Gianni Zomero, Ivan Paiaro, Dario Lestani, Alfredo Poloni
  • Publication number: 20080196236
    Abstract: Compact plant for making steel bars and profiles with which, starting from the scrap, it is possible to obtain the finished product, for example bars with commercial length from 6 to 18 meters, pre-packed, packaged and ready for sale, with all the stations placed in line and operating continuously. All the stations are arranged in reduced spaces, thereby reducing both investment costs and plant management costs, and decreasing production times. Advantageously, the plant of the invention incorporates an extremely compact bar packaging apparatus which, through an innovative arrangement and innovative operating method of the components thereof, allows a further reduction in length.
    Type: Application
    Filed: March 1, 2006
    Publication date: August 21, 2008
    Applicant: DANIEL & OFFICINE MECCANICHE S.P.A.
    Inventors: Bordignon Giuseppe, Andrea De Luca, Gianni Zomero, Ivan Paiaro, Dario Lestani, Alfredo Poloni
  • Patent number: 5787966
    Abstract: The device includes at least a mould (11) with a replaceable crystallizer (12), a downstream mould portion, a containing, guiding and cooling roller conveyor (14) and an extraction and straightening assembly (15). The extraction and straightening assembly (15) includes drawing rolls (16) with a flat portion (18) and with a longitudinally arranged circumferential outline portion (17) for round products, the lateral reciprocal position of the drawing rolls (16) in relation to the longitudinal axis of the mould (11) being able to be varied from a first position for the casting of round products (13a) to a second position for the casting of products with flat sides (13b).
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: August 4, 1998
    Assignee: Danieli & C. Officine Meccaniche SpA
    Inventors: Dario Lestani, Daniele Merlino, Domenico Wogler Ruzza
  • Patent number: 5771560
    Abstract: Method and continuous casting line for the continuous casting advantageously, but not only, of long products such as billets or blooms, whereby the solidification of the cast product (16) is completed at a position downstream of the outlet of the mould (13) and whereby the cast product (16) leaving a continuous casting machine (11) curving at a speed of at least 4 mts/min.
    Type: Grant
    Filed: July 31, 1996
    Date of Patent: June 30, 1998
    Assignee: Danieli & C. Officine Meccaniche SpA
    Inventors: Umberto Meroni, Domenico Wogler Ruzza, Gianni Gensini, Dario Lestani