Patent ID: 6181908
Filing Date: 2001-01-30
Classification: B65H,G03G

Abstract:
An apparatus for corrugating material, the apparatus comprising:an upper shaft capable of rotating about a first longitudinal axis and a lower shaft capable of rotating about a second longitudinal axis, at least one of said shafts being constructed of a flexible material;at least two upper corrugation rolls secured to the upper shaft, and at least two lower corrugation rolls secured to the lower shaft, wherein at least one of said upper and lower shafts include at least three of said corrugation rolls, and said upper and lower corrugation rolls are interspersed relative to each other and spaced to corrugate the material when the material is passed therebetween;wherein when the material passes between the upper and lower corrugation rolls, lighter weight material is corrugated while heavier weight material deflects one or more of said shafts to reduce corrugation.