Patents by Inventor Roger L. Kobak

Roger L. Kobak 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).

  • Patent number: 5636447
    Abstract: Apparatus for moving articles, such as lids for containers, from one location to other locations depending on processing requirements of a manufacturing operation wherein a continuous supply of lids are separated into units, each having a plurality of lids, which units are moved into a plurality of infeed stations and transferred to one of a plurality of inclined generally planar surfaces in spaced apart generally parallel relationship and wherein the lids roll over the inclined generally planar surfaces under the influence of gravity and wherein the transfer of a unit from an infeed station to one of the plurality of inclined generally planar surfaces and the movement thereover is controlled by a plurality of pivotally mounted gates. Heating means are provided for curing a heat curable coating on portions of the lids when necessary.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: June 10, 1997
    Assignee: Preferred Machining Corporation
    Inventors: Gary L. Yount, Roger L. Kobak, William J. Keener, Clinton W. Rutledge
  • Patent number: 5476362
    Abstract: A dual downstacker apparatus has adjacent can lid feed chutes for advancing lids one at a time into alternate ones of the pockets or recesses on a starwheel which is continuously rotated beneath the chutes; and the delivery of lids can be interrupted through one of the chutes without interrupting advancement through the other of the chutes.
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: December 19, 1995
    Assignee: Preferred Machining Corp.
    Inventors: Roger L. Kobak, Clinton W. Rutledge
  • Patent number: 5272902
    Abstract: Doming apparatus for forming a domed bottom wall in a can body includes a pressurized nitrogen source which acts through a cylinder and piston arrangement to impose a predetermined amount of resistance to movement of a clamp ring and former die used in the doming procedure and wherein the nitrogen pressure source is a self-contained unit removably attached to the domer assembly and which can be serviced and replaced independently of the domer assembly.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: December 28, 1993
    Assignee: Preferred Machining Corporation
    Inventor: Roger L. Kobak