Patents Assigned to Hokkaido Pipeline Industrial Co., Ltd.
  • Process for removing asbestos and the device for removing the same
    Patent number: 5021095
    Abstract: A process and device for removing a sprayed asbestos layer are provided, in which the asbestos is simultaneously cut and suctioned by a scraper and a suction air duct, and then transported into a carrier container for collection through primary, secondary and tertiary collection steps, in order to maintain a safe and sanitary operational environment for those who are engaged in removing the asbestos layer.
    Type: Grant
    Filed: January 25, 1989
    Date of Patent: June 4, 1991
    Assignee: Hokkaido Pipeline Industrial Co., Ltd.
    Inventor: Masaru Tamaki