Method of producing roll of compressed roll paper and...

Details Method of producing roll of compressed roll paper and... Method of producing roll of compressed roll paper and...

B - Operations, Transporting

65

D

217/5.5

B65D 61/00 (2006.01) B65B 25/14 (2006.01) B65B 63/02 (2006.01) B65D 85/671 (2006.01)

Patent

CA 1257566

ABSTRACT A method and apparatus for producing a compressed roll of roll paper wherein a compressing pressure is applied to a cylindrical roll of roll paper with crepe having an axis and a diametrical thickness. A roll pressure plate reciprocates in a compressive direction to compress the roll paper. The roll paper is in a chamber and a lid is opposed to the pressure plate forming a wall portion of the chamber. The compressing pressure is in one direction to deform the roll into a flat shape having a second thickness in the direction. The compressing pressure is continuously applied to the flat shape until said second thickness is reduced to between one-half and one-fifth of the diametrical distance of the cylindrical roll of roll paper before compression, while simultaneously restricting expansion of the roll in the direction lateral to the one direction of compressing pressure. These directions are substantially perpendicular to the axis of the roll. A further plate faces in a direction perpendicular to the compressive direction for limiting the expansion of the roll paper in the perpendicular direction. A roll positioning member is connected to the limiting plate through a spring device so as to protrude into the roll compressing chamber or retract therefrom.

575993

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