Patents by Inventor Laszlo Attila Gombas

Laszlo Attila Gombas 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).

  • Apparatus and methods for simultaneously necking and flanging a can body member
    Patent number: 4070888
    Abstract: Apparatus and methods for simultaneously necking and flanging an unformed end portion next adjacent a rim portion of a cylindrical side wall portion of a sheet metal can body member to form a curved necked-in wall portion in the unformed end portion next adjacent and connected to the side wall portion and to form a radially and axially outwardly extending flange portion between the formed curved necked-in portion and the rim portion comprising:Means for rotatably supporting the can body member during the necking and flanging operation;Outer forming means mounted without the can body member in radially outwardly spaced relationship to and in axial alignment with the unformed end portion and having a curved annular outer forming surface extending therearound for engaging the outer peripheral surface of the unformed end portion to form the curved necked-in portion;Inner forming means mounted within the can body member in radially inwardly spaced relationship to and in axial alignment with the unformed end portio
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: January 31, 1978
    Assignee: Coors Container Company
    Inventor: Laszlo Attila Gombas