The term bellows is used by extension for a flexible bag whose volume can be changed by compression or expansion, but not used to deliver air. For example, the light-tight (but not airtight) bag allowing the distance between the lens and film of a folding photographic camera to be varied is called a bellows.
What NFL has lost the Super Bowl the most? The Buffalo Bills, the Denver Broncos, the Minnesota Vikings, and the New England Patriots have all lost four Super Bowls. Edit
The Steelers have played in eight Super Bowls and have won six, the most in NFL history. Below are those wins. â Super Bowl IX; Jan. 12, 1975: Steelers 16, Vikings 6. â Super Bowl X; Jan. 18, 1976: Steelers 21, Cowboys 17. â Super Bowl XIII; Jan. 21, 1979: Steelers 35, Cowboys 21.