Patents Assigned to ASK CHEMICALS ESPANA S.A.
  • Publication number: 20130266476
    Abstract: The present invention belongs to the field of the additives for molding sands used in the manufacture of casting molds and cores. More specifically, the present invention relates to an additive to prevent veining in the manufacture of metal parts, to a molding sand comprising said additive, to a core or mold prepared from said molding sand and to a metal part prepared by means of using one of said cores or molds.
    Type: Application
    Filed: December 30, 2010
    Publication date: October 10, 2013
    Applicant: ASK CHEMICALS ESPANA S.A.
    Inventors: Santiago Prat Urreiztieta, Marco Antonio Mendizábal Castellanos, Maria José Puertollano Abascal, Jesús Reina Rivero
  • Publication number: 20130139994
    Abstract: The invention relates to methods of casting metal parts in sand molds, with the particularity that it is not necessary to use sleeves surrounding the feed risers which are arranged outside the part to offset the shrinkage occurring during the solidification of the molten metals. The operations of placing the sleeves which must be arranged around the risers are eliminated with the method object of the invention, the actual sleeves being made when the sand mold is produced.
    Type: Application
    Filed: June 8, 2010
    Publication date: June 6, 2013
    Applicant: ASK CHEMICALS ESPAÑA, S.A.
    Inventor: Santiago Prat Urreiztieta