Patents Assigned to Buchi Laboratorium-Technik AG
  • Sealing device for a rotary evaporator
    Patent number: 5243836
    Abstract: A sealing device for a rotary evaporator (1) possesses a two part vapor duct arrangement (6). With that, the component on the evaporator side (6a) is formed to rotate and the component (6b) on the cooler side is formed to be stationary. Both the components (6a, 6b) make contact with each other to form a seal in the area of the sealing surface (14).
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: September 14, 1993
    Assignee: Buchi Laboratorium-Technik AG
    Inventor: Arthur Spring