E.i. Dupont De Nemours and Company

Raymond M Ballard

Albert W Forrest, Jr

An apparatus for winding rolls of thin, wide film. High quality rolls free from circumferential ridges are wound by pressing a segmented bowed roll against a winding roll.

Apparatus for winding film

A web winding assembly of rolls is disclosed. The assembly includes a winding roll and a layon roll. The layon roll is of constant circumference with a flexible surface and is characterized by having an incompressible core, a volumetrically compressible resilient cushion element on the core, and a flexible, inextensible, outer covering on the cushion element. The winding assembly is used in film web handling operations to make windup packages of film web having improved surface hardness character and reduced tendency to telescope.

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Lancaster, OH, United States of America

Raymond M Ballard