Patents Assigned to Philip R. Lenard
  • Injection molding machine for sensing the ejection of small molded parts
    Patent number: 5236324
    Abstract: A cyclically operated injection plastic molding machine which contains a device for moving a mold insert into and out of a mold is illustrated. When the mold is closed, the mold insert is moved into it; but, before the mold is opened, the insert is removed from it. The machine also contains an electric eye device which senses the motion of a movable finger which is caused to move by the motion of an injected molded part formed by the machine.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: August 17, 1993
    Assignee: Philip R. Lenard
    Inventors: Mark Konieczny, Mark Dukhon