Patents Assigned to Taiyu Doro Kensetsu Kabushiki Kaisha
  • Method for storing heated asphalt mixture
    Patent number: 3972154
    Abstract: A method for storing heated asphalt mixture is disclosed, in which superheated steam and an asphalt mixture, both of which are heated to about 150.degree.C, are injected into a container to displace air thereby, and then the container is sealingly closed. Thus, the heated asphalt mixture will not lose its desired characteristics and hence may be stored for a considerably long period of time.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: August 3, 1976
    Assignee: Taiyu Doro Kensetsu Kabushiki Kaisha
    Inventors: Toru Yoshikane, Kunihiko Kondo, Kazuya Otaki, Hiroyasu Funabashi, Toru Hasegawa, Ichiro Yamada