Patents by Inventor Russell Phillip D'Angelo

Russell Phillip D'Angelo 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).

  • Pressure-reducing valve and a controller for a blow-molding machine and method thereof
    Patent number: 7179073
    Abstract: The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are used to regulate the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine. The invention reduces pressure during all time intervals except during a “parison formation” interval of the cycle. The invention is also a process for regulating the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine and for bypassing the pressure reducing valve in a blow-molding machine.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: February 20, 2007
    Assignee: Davis-Standard, LLC
    Inventor: Russell Phillip D'Angelo
  • Pressure-reducing valve and a controller for a blow-molding machine and method thereof
    Publication number: 20040173924
    Abstract: The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are used to regulate the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine. The invention reduces pressure during all time intervals except during a “parison formation” interval of the cycle. The invention is also a process for regulating the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine and for bypassing the pressure reducing valve in a blow-molding machine.
    Type: Application
    Filed: March 4, 2003
    Publication date: September 9, 2004
    Inventor: Russell Phillip D'Angelo