Patents by Inventor Edward P. MacConnell

Edward P. MacConnell 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: 5218903
    Abstract: A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between first and second positions. In the first position, the transition is off of the plate cylinder and dampening fluid is applied to the plate cylinder by ink form rollers. In the second position, the transition roller is on the plate cylinder. Another version of the dampening system has a bridge roller between the transition roller and a ink form roller, which bridge roller is movable between third and fourth positions. In the third position, the bridge roller is on the transition roller. In the fourth position, the bridge roller is off of the transition roller. The dampening system can dampen the plate cylinder without the use of alcohol. The transition roller is rotated by a separate motor so that its speed is controlled independently of the other rollers.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: June 15, 1993
    Assignee: Sun Graphic Technologies, Inc.
    Inventors: Edward P. MacConnell, Robert King, Donald L. Frank
  • Patent number: 5158017
    Abstract: A dampening system has a pan for containing dampening fluid, and transfer and metering rollers for bringing dampening fluid up out of the pan. A transition roller contacts one of the transfer and metering rollers. The transition roller is movable between first and second position. In the first position, the transition is off of the plate cylinder and dampening fluid is applied to the plate cylinder by ink form rollers. In the second position, the transition roller is on the plate cylinder. Another version of the dampening system has a bridge roller between the transition roller and a ink form roller, which bridge roller is movable between the third and fourth positions. In the third position, the bridge roller is on the transition roller. In the fourth position, the bridge roller is off of the transition roller. The dampening system can dampen the plate cylinder without the use of alcohol. The transition roller is rotated by a separate motor so that its speed is controlled independently of the other rollers.
    Type: Grant
    Filed: September 11, 1990
    Date of Patent: October 27, 1992
    Assignee: Sun Graphic Technologies, Inc.
    Inventors: Edward P. MacConnell, Robert King, Donald L. Frank
  • Patent number: 5088404
    Abstract: A delivery apparatus which minimizes marring of wet ink is provided with an arcuate main wall and a gap forming leading and trailing edges. The leading edge can be positioned, either temporarily for adjustable versions, or permanently for nonadjustable versions, radially inward to shorten the path of a sheet exiting the last set of blanket and impression cylinders in a printing press. By shortening the sheet path, marring of wet ink against the delivery apparatus is reduced. The delivery apparatus is mounted onto a gripper bar sprocket shaft such that the gap receives the respective gripper bar. As the shaft rotates to move the gripper bar, the delivery apparatus also rotates. The outside surface of the delivery apparatus has a myriad of minute projections with rounded outer ends and being of a uniform height, which outer surface contact the wet ink side of the sheet.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: February 18, 1992
    Inventors: Edward P. MacConnell, Shigeki Matsukawa