Patent ID: 8668071

Claim:
A turning wheel comprising a number of blades, each blade having a front side facing in a direction of rotation and comprising a front projection, and a back side facing against the direction of rotation and comprising a back projection, each two consecutive blades forming a gap between said backside of a first blade of said two consecutive blades, and a front side of a second blade of said two consecutive blades, said gap comprising an inner gap radially inward from said back projection of said back side of said first blade, and said front projection of said front side of said second blade, such that a container can be held in said gap and an end portion of said container can be held in said inner gap during rotation of said turning wheel, wherein said front projection is placed at a first radius from said rotation axis and said back projection is placed at a second radius from said rotation axis, wherein said second radius is greater than said first radius.