Reusable core for paper rolls

Details Reusable core for paper rolls Reusable core for paper rolls

B - Operations, Transporting

65

H

B65H 75/08 (2006.01) F16L 9/16 (2006.01)

Patent

CA 2045937

A multiple ply tubular core having continuous vapor barrier layers near the inner and outer surfaces of the tube. The vapor barrier layers have overlying and underlying layers comprising fibrous cellulosic material. The tube is stable to dimensional changes caused by absorption or loss of moisture to the atmosphere.

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