Patents by Inventor Arno Lauke

Arno Lauke 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).

  • Apparatus for making an electro-immersion finish by forced circulation of a liquid bath in a tank
    Patent number: 4659450
    Abstract: An improved and substantially contamination free electro-immersion finish is provided on an electrically conductive substrate such as a motor vehicle body. An immersion tank holds an aqueous liquid containing an electrophoretically precipitable resin. The substrate to be coated is immersed in the liquid and transported through the tank. The bath liquid in the lower region of the tank is circulated parallel to the direction of transport of the substrate. The bath liquid in the upper region is circulated opposite to the direction of transport of the substrate. The bath liquid may be recirculated by removing the liquid from the tank at the end of the tank where the substrate is removed from the tank. The bath liquid may be purified by filter units prior to being returned to the tank. A separator, such as a cyclone separator, may be disposed in the liquid recirculation conduit ahead of the filtration units.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: April 21, 1987
    Assignee: BASF Farben & Fasern AG
    Inventor: Arno Lauke
  • Method for making an electro-immersion finish by forced circulation of a liquid bath in a tank
    Patent number: 4568438
    Abstract: An improved and substantially contamination free electro-immersion finish is provided on an electrically conductive substrate such as a motor vehicle body. An immersion tank holds an aqueous liquid containing an electrophoretically precipitable resin. The substrate to be coated is immersed in the liquid and transported through the tank. The bath liquid in the lower region of the tank is circulated parallel to the direction of transport of the substrate. The bath liquid in the upper region is circulated opposite to the direction of transport of the substrate. The bath liquid may be recirculated by removing the liquid from the tank at the end of the tank where the substrate is removed from the tank. The bath liquid may be purified by filter units prior to being returned to the tank. A separator, such as a cyclone separator, may be disposed in the liquid recirculation conduit ahead of the filtration units.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: February 4, 1986
    Assignee: BASF Farben & Fasern Aktiengesellschaft
    Inventor: Arno Lauke
  • Spray coating process, and an arrangement for carrying out the same
    Patent number: 4448812
    Abstract: The invention proposes a spray coating process in which through the use of inert gases the recovery of materials, safety at work and environmental protection conditions are improved, by drawing off, freeing from the solvents and returning to circulation the inert gases gaseously enriched (sic).
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 15, 1984
    Assignee: BASF Farben & Fasern A.G.
    Inventor: Arno Lauke