Patents Assigned to Wurttemberische Metallwarenfabrik Aktiengesellschaft
  • Insulated container
    Patent number: 4446978
    Abstract: The invention relates to an insulated container comprising a vacuum glass body surrounded by a protective envelope consisting of an upper and a lower portion, and an adjustable tensioning means for producing a force biasing the glass body upwards into engagement with a seal adjacent the upper rim of the protective envelope.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: May 8, 1984
    Assignee: Wurttemberische Metallwarenfabrik Aktiengesellschaft
    Inventors: Manfred Arndt, Walter Breier, Hermann Riegert, Heinz Schmidt, Hermann Schwarz, Helmut Warneke