Patents Assigned to Forsheda-Stefa GmbH
  • Seal between two interlocking components
    Patent number: 5813677
    Abstract: A seal between two interlocking components, especially tubes, with a compression lip (3) and a supporting foam rubber ring (12). The rear space as far as the cone surface can be empty or filled with light foam rubber.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: September 29, 1998
    Assignee: Forsheda-Stefa GmbH
    Inventor: Gerhard Preisendoerfer
  • Seal between two telescopically insertable concrete components
    Patent number: 5566955
    Abstract: A seal between two interlocking concrete components in which the seal (3) is bonded into the cone sleeve together with a body (12) of light material, said body providing a yielding region at the base of the sleeve near the sleeve surface.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: October 22, 1996
    Assignee: Forsheda-Stefa GmbH
    Inventor: Gerhard Preisendoerfer