Patent ID: 6082081
Filing Date: 2000-07-04
Classification: B65B

Abstract:
A prestretch roller assembly for a film delivery system, comprising:upstream and downstream prestretch drive rollers, each rotatable about an axis, for engaging and stretching stretch film material;a web of stretch film extending around an upper portion of the upstream drive roller and thence directly to a lower portion of the downstream drive roller to form a generally S-shaped path;two idler rollers, one of said two idler rollers being positioned downstream of said downstream drive roller and rotatable about an axis for engaging the stretch film material, the other of said two idler rollers being positioned upstream of said upstream drive roller and rotatable about an axis for engaging the stretch film material, the axes of the drive rollers and the idler rollers being coplanar; anddrive means connected to the drive rollers for driving the rollers in opposite directions.