Bending Patents (Class 493/395)
- And tautening or smoothing (Class 493/406)
- With crushing or crumpling (Class 493/407)
- Overfolding (Class 493/408)
- Refolding or unfolding (Class 493/409)
- Folding of indeterminate length work by swinging work guiding means (e.g., zigzag folding, etc.) (Class 493/413)
- With means to advance work or product (Class 493/416)
- By direct application of vacuum or fluid (Class 493/450)
- By plural relatively movable folding edges approaching work from same side (e.g., zigzag folding, etc.) (Class 493/451)
- Forming gable top (Class 493/452)
- Including folding end flap (Class 493/453)
- By rotary member (Class 493/454)
- By passive reaction member (Class 493/455)
- Sequential, diverse folds (Class 493/458)