Patents by Inventor James K. Slagle

James K. Slagle 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: 4201070
    Abstract: A graphite lubricant system for applying a coating of the lubricant to successive mandrels in a seamless pipe mill just prior to their insertion therein. The system provides for the selective application of the smokeless lubricant to the mandrels before they are inserted within the seamless pipe shell and both are run into the mill itself. In order to prevent the lubricant from clogging, the system includes a self-flushing arrangement which provides a cleaning function thereto when the system has been inactive for a given amount of time.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: May 6, 1980
    Assignee: United States Steel Corporation
    Inventors: John J. Seaton, James K. Slagle
  • Patent number: 4132096
    Abstract: A graphite lubricant system for applying a coating of the lubricant to successive mandrels in a seamless pipe mill just prior to their insertion therein. The system provides for the selective application of the smokeless lubricant to the mandrels before they are inserted within the seamless pipe shell and both are run into the mill itself. In order to prevent the lubricant from clogging, the system includes a self-flushing arrangement which provides a cleaning function thereto when the system has been inactive for a given amount of time.
    Type: Grant
    Filed: October 7, 1976
    Date of Patent: January 2, 1979
    Assignee: United States Steel Corporation
    Inventors: John J. Seaton, James K. Slagle