Reshaping Running Or Indefinite-length Work Patents (Class 264/280)
- Nonuniform product (e.g., porous, etc.) or with tensioning before application of heat (Class 264/288.8)
- With treatment other than heating before stretching (Class 264/289.3)
- With shrinking or with liquid contact during or after stretching (Class 264/289.6)
- Biaxial or transverse to travel direction (Class 264/290.2)
- Of filament (Class 264/290.5)