Patents by Inventor Kurt L. Hahn

Kurt L. Hahn 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).

  • Press transfer bar
    Patent number: 4404837
    Abstract: An inverted press for producing multiple drawn metal containers combines in one press the functions of cupping and drawing presses. The press includes a blanking and cupping station and several drawing and redrawing stations, disposed one adjacent the other and rendered serially operative by a vertically reciprocable slide assembly. At each stage of operation the material, semifinished article or finished article is under complete control. A method for producing a drawn container by multiple forming and reforming of a drawn article, is also provided.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: September 20, 1983
    Assignee: American Can Company
    Inventors: Robert J. Allen, Edward W. Blake, Manjeshwar S. Rao, Kurt L. Hahn
  • Press transfer bar
    Patent number: 4373370
    Abstract: An inverted press for producing multiple drawn metal containers combines in one press the functions of cupping and drawing presses. The press includes a blanking and cupping station and several drawing and redrawing stations, disposed one adjacent the other and rendered serially operative by a vertically reciprocable slide assembly. At each stage of operation the material, semifinished article or finished article is under complete control. A method for producing a drawn container by multiple forming and reforming of a drawn article, is also provided.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: February 15, 1983
    Assignee: American Can Company
    Inventors: Robert J. Allen, Edward W. Blake, Manjeshwar S. Rao, Kurt L. Hahn
  • Beading die for can bodies
    Patent number: 4343174
    Abstract: A metal forming tool useful to form internal and external impressions of various configurations upon two piece can bodies of round, oval, triangular, rectangular or irregular and unsymmetrical cross-section.
    Type: Grant
    Filed: November 1, 1979
    Date of Patent: August 10, 1982
    Assignee: American Can Company
    Inventors: Kurt L. Hahn, Howard J. Padgett, Manjeshwar S. Rao
  • Lubricant system
    Patent number: 4305268
    Abstract: An inverted press for producing multiple drawn metal containers combines in one press the functions of cupping and drawing presses. The press includes a blanking and cupping station and several drawing and redrawing stations, disposed one adjacent the other and rendered serially operative by a vertically reciprocable slide assembly. At each stage of operation the material, semifinished article or finished article is under complete control. A method for producing a drawn container by multiple forming and reforming of a drawn article, is also provided.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: December 15, 1981
    Assignee: American Can Company
    Inventor: Kurt L. Hahn
  • Support pedestals
    Patent number: 4262510
    Abstract: An inverted press for producing multiple drawn metal containers combines in one press the functions of cupping and drawing presses. The press includes a blanking and cupping station and several drawing and redrawing stations, disposed one adjacent the other and rendered serially operative by a vertically reciprocable slide assembly. At each stage of operation the material, semifinished article or finished article is under complete control. A method for producing a drawn container by multiple forming and reforming of a drawn article, is also provided.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: April 21, 1981
    Assignee: American Can Company
    Inventors: Robert J. Allen, Kurt L. Hahn
  • Strip feed elevator
    Patent number: 4260310
    Abstract: An inverted press for producing multiple drawn metal containers combines in one press the functions of cupping and drawing presses. The press includes a blanking and cupping station and several drawing and redrawing stations, disposed one adjacent the other and rendered serially operative by a vertically reciprocable slide assembly. At each stage of operation the material, semifinished article or finished article is under complete control. A method for producing a drawn container by multiple forming and reforming of a drawn article, is also provided.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: April 7, 1981
    Assignee: American Can Company
    Inventors: Edward W. Blake, Kurt L. Hahn
  • Press apparatus and method utilizing same
    Patent number: 4166424
    Abstract: An inverted conversion press for producing easy-open metal container ends is provided, which combines the functions of end and tab presses. The press includes a tab forming station and an end forming station, disposed one beneath the other and rendered alternately operative by a vertically-reciprocable slide assembly. A method for producing an article, comprised of assembled workpieces, is also provided.
    Type: Grant
    Filed: March 3, 1978
    Date of Patent: September 4, 1979
    Assignee: American Can Company
    Inventors: Kurt L. Hahn, Robert J. Allen
  • Press apparatus and method utilizing same
    Patent number: 4026226
    Abstract: An inverted conversion press for producing easy-open metal container ends is provided, which combines the functions of end and tab presses. The press includes a tab forming station and an end forming station, disposed one beneath the other and rendered alternately operative by a vertically-reciprocable slide assembly. A method for producing an article, comprised of assembled workpieces, is also provided.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: May 31, 1977
    Assignee: American Can Company
    Inventors: Kurt L. Hahn, Robert J. Allen