Patents Assigned to Le Groupe Laperriere & Verreault, Inc.
  • Process and an apparatus for mixing substances
    Patent number: 4836685
    Abstract: The present invention relates to a process and an apparatus for blending substances in a highly accurate manner. The process consists of delivering an amount of a first substance into a mixing vessel and determining the weight of the amount of the first substance actually delivered. From the weight measured and the proportion of a second substance in the final blend an amount of the second substance is calculated and discharged in the mixing vessel, and same for each additional substance.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: June 6, 1989
    Assignee: Le Groupe Laperriere & Verreault, Inc.
    Inventor: Laurent Verreault