METHOD FOR EXTRUSION COATING MULTIPLE WEBS

摘要

The specification discloses a method for coating multiple substrate webs on a dual or tandem extruder system having multiple extruder stations. The webs may be coated together as a temporary composite web or alternately may be coated independently of one another using separate coating stations. Also disclosed are improved multiple station coating systems for use in the practice of the invention. The invention enables more efficient and economical use of dual or tandem extruder systems.