Patents by Inventor Wilmar Fischer

Wilmar Fischer 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).

  • Injection chamber for a metal injection machine
    Patent number: 8544703
    Abstract: The injection chamber (CI) includes a tubular body formed by a supply portion, having a radial supply window to receive a charge of molten metal (MF) and in which is incorporated an injection portion provided with an outlet end opened to the interior of a molding cavity. A piston is provided to be displaced in the interior of the tubular body to inject the molten metal (MF) in the molding cavity. The supply portion has its inner region, which receives the pouring impact of the charge of molten metal (MF), lined by an insert formed in a high melting point material and presenting an inner contour in the form of a circle arc coinciding with that of the supply and injection portions.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: October 1, 2013
    Assignee: W. Fischer Tecnica Ltda.
    Inventor: Wilmar Fischer
  • Injection chamber for a metal injection machine
    Publication number: 20110011900
    Abstract: The injection chamber (CI) includes a tubular body formed by a supply portion, having a radial supply window to receive a charge of molten metal (MF) and in which is incorporated an injection portion provided with an outlet end opened to the interior of a molding cavity. A piston is provided to be displaced in the interior of the tubular body to inject the molten metal (MF) in the molding cavity. The supply portion has its inner region, which receives the pouring impact of the charge of molten metal (MF), lined by an insert formed in a high melting point material and presenting an inner contour in the form of a circle arc coinciding with that of the supply and injection portions.
    Type: Application
    Filed: July 14, 2010
    Publication date: January 20, 2011
    Inventor: Wilmar Fischer