Patents by Inventor Nella Castenetto

Nella Castenetto 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).

  • Method to produce an element subject to wear, and element subject to wear thus obtained
    Patent number: 7820299
    Abstract: Method to produce an element (10) subject to wear, such as a mechanical member, an abrasion or crushing tool or suchlike, comprising a metal matrix (14) and at least a core (12) of ceramic material. The method comprises a preliminary step wherein the core (12) is prepared by mixing at least a first component with a base of aluminum oxide in the form of a (a-Al2O3) with a second component comprising a eutectic compound with a base of a-Al2O3 and ZrO2, a second step wherein the core (12) is arranged in a mold, so as to define a free volume inside the mold, and a third step wherein a molten metal material is cast into the mold, to occupy the free volume so as to anchor to the core (12) and thus form a single body.
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: October 26, 2010
    Assignee: F.A.R.- Fonderie Acciaierie Roiale-SpA
    Inventors: Alberto Andreussi, Guido Castenetto, Valeria Moroso, legal representative, Nella Castenetto, legal representative, Silvana Castenetto, legal representative, Primo Andreussi, Eddy Pontelli
  • Method to produce an element subject to wear, and element subject to wear thus obtained
    Publication number: 20070128462
    Abstract: Method to produce an element (10) subject to wear, such as a mechanical member, an abrasion or crushing tool or suchlike, comprising a metal matrix (14) and at least a core (12) of ceramic material. The method comprises a preliminary step wherein the core (12) is prepared by mixing at least a first component with a base of aluminum oxide in the form of a (a-Al2O3) with a second component comprising a eutectic compound with a base of a-Al2O3 and ZrO2, a second step wherein the core (12) is arranged in a mold, so as to define a free volume inside the mold, and a third step wherein a molten metal material is cast into the mold, to occupy the free volume so as to anchor to the core (12) and thus form a single body.
    Type: Application
    Filed: May 6, 2004
    Publication date: June 7, 2007
    Applicant: F.A.R. - FONDERIE ACCIAIERIE ROIALE-SPA
    Inventors: Alberto Andreussi, Guido Castenetto, Valeria Moroso, Nella Castenetto, Silvana Castenetto, Primo Andreussi, Eddy Pontelli