Patents by Inventor Arthur A. Ruge

Arthur A. Ruge 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: 4887528
    Abstract: A dampening system roll which may be used in an offset printing press, is made of porous rebonded, fused silica, the pores of which are impregnated and sealed by a silicone resin. In a typical embodiment of the invention disclosed herein, a dampening system roll is fabricated by providing a 3 3/4 inch diameter 42 1/2 inch long fused silica cylinder infiltrated with a silicone resin and ground and polished to a 30 microinch Ra exterior smoothness. The ends of the cylinder are drilled out to provide a 1 3/4 inch diameter by 4 inch deep hollow core on each side which is adapted to receive a pair of shafts or end caps typically made of stainless steel or other low expansion metal alloy material and the end shafts or caps are bonded into the drilled ends of the fused silica cylinder for interfacing the printing press system. In an additional embodiment, the ends of the cylinder are core drilled to provide a pair of axial sockets each about 2 inches in diameter and about 2 inches deep.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: December 19, 1989
    Assignee: Ceradyne, Inc.
    Inventors: Arthur A. Ruge, Donald A. Kenagy