Patents Assigned to BITUTEC Bitumen-Technik Service und Vertriebsgesellschaft mbH
  • Joint sealing tape for asphalted areas and joint sealing systems based on the same
    Patent number: 5981061
    Abstract: A joint sealing tape preferably has the following composition in mass %: 35 to 36% of a premix comprising 73 to 75% of a soft grade of bitumen, 18 to 19% rubber and 7 to 8% of comminuted tire rubber; 31 to 32% of a soft ge of bitumen; 19 to 20% ground slate; 11 to 12% cellulose powder; and 2% silicon dioxide.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: November 9, 1999
    Assignee: BITUTEC Bitumen-Technik Service und Vertriebsgesellschaft mbH
    Inventor: Franz Hegemann