Patent ID: 6120861
Filing Date: 2000-09-19
Classification: A22C,B29C,B29D,B29K,C08J,Y10T

Abstract:
A tubular film for encasing food comprising an extruded fiber web free tubular material which has been regenerated from a solution of cellulose in a solvent comprising carbon disulfide and dried in a dryer, said tubular film being longitudinally stretched in the dryer by from 10 to 30 percent and transversely stretched while wet, the stretch being maintained during drying, said tubular film having a longitudinal rewet tensile strength of at least 7000 psi; a wall thickness of between 18 and 25 microns and a wall thickness that is from 75 to 90 percent of a tubular film which is identical except for being longitudinally unstretched in the dryer by from 10 to 30 percent; wherein said tubular film has a rewet longitudinal tensile strength greater than its transverse rewet tensile strength.