Patents by Inventor Robert M. Jroski

Robert M. Jroski 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 and apparatus for forming deep-drawn articles
    Patent number: 6505492
    Abstract: The invention is directed to apparatus and a method of using the apparatus to deep draw a blank into a manufactured article. The apparatus includes a die having a cavity to receive the blank being drawn into the product, a clamp adapted to apply an adjustable force against the blank during the drawing operation, and a mandrel comprising a plurality of nested tool segments, the tool segments independently extendable to engage and draw different portions of the blank into the desired product within the cavity.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: January 14, 2003
    Assignee: Bethlehem Steel Corporation
    Inventor: Robert M. Jroski
  • Method and apparatus for forming deep-drawn articles
    Publication number: 20020148272
    Abstract: The invention is directed to apparatus and a method of using the apparatus to draw a blank into a product. The apparatus includes a die having a cavity to receive the blank being drawn into the product, a clamp adapted to apply an adjustable force against the blank during the drawing operation, and a mandrel comprising a plurality of nested tool segments, the tool segments independently extendable to engage and draw different portions of the blank into the desired product within the cavity.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 17, 2002
    Applicant: Bethlehem Steel Corporation
    Inventor: Robert M. Jroski