Patents by Inventor Curt Niebling, Jr.

Curt Niebling, Jr. 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 of producing a deep-drawn formed plastic piece
    Patent number: 5108530
    Abstract: A method of manufacturing a deep-drawn formed plastic piece comprises providing a cold-stretchable sheet material with a coating selected from a group of an ink film, an ink imprint, a vacuum evaporated metallic thin film, and an electrically conductive varnish film. The coated sheet is heated with a fluid pressure medium which has a fluid medium pressure of more than 20 bars, and at an operating temperature lower than the softening temperature of the sheet material, in order to deform the sheet material isostatically to obtain the deep-drawn formed coated plastic piece.
    Type: Grant
    Filed: December 1, 1989
    Date of Patent: April 28, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Curt Niebling, Jr., Joachim Wank