Patents Assigned to AB Grindex
  • Shaft seal device
    Patent number: 4519615
    Abstract: A mechanical seal device includes a seal ring arranged non-rotatably in a cup which is locked against a shoulder on a shaft. The cup contains a ring of a flexible material which axially supports the seal ring. The flexible material ring is provided with a collar situated between the seal ring and the shaft, thus sealing the space and centering the seal ring on the shaft.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: May 28, 1985
    Assignee: AB Grindex
    Inventor: Bengt Bjorklund