Patents by Inventor Ake Bohman

Ake Bohman 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).

  • Method and apparatus for cleaning of a pulp suspension
    Patent number: 5192397
    Abstract: The present invention relates to a method and an arrangement in a fibre reclaimer for cleaning of heavy and light contaminate particles from a fibre suspension and said fibre reclaimer comprises at least a vessel (4) having an opening (15) which via a connection arrangement (1, 2) is connectable to a cyclone. The connection arrangement consists of a cone (1) having an outlet (13) with a predetermined diameter (d) and is inserted and located in a conical mantle (2), which with its free end part (14) is fixed to the opening (15) of the vessel (4), whereby the opening (13) is situated a predetermined distance (A) from the opening (15).
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: March 9, 1993
    Assignee: Milan Kolman
    Inventor: Ake Bohman