Back to results
US 4,374,690 AGranted
Multidirectionally oriented films
AssigneeMobil Oil Corporation
InventorsPeter J. Canterino, Craig E. Allen
Life of this patent
Estimating the term…
Abstract
A process for orienting a malleable film comprising pulling the film through at least one pair of multi-directional orientation rollers thereby imparting a random multi-directional orientation to the film.
Claims3
A process for multi-direction orienting of a malleable film which comprises pulling a malleable film through the bite between at least one pair of cooperating multi-directional orientation rollers having interengaging surface portions thereby imparting a random orientation to the molecular structure of said film during passage between said rollers.
Dependencies are inferred from the claim text.