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
Confidence votes 84.9K. The Pittsburgh Steelers have won 6 Super Bowls out of 8 appearances, making them the team with the most Super Bowl wins. Not far behind are the San Francisco 49ers, with 5 wins out of 6 appearances, and the Dallas Cowboys, with 5 wins out of 8 appearances. The Steeler's results are (victories in bold):