Patent ID: 6095711
Filing Date: 2000-08-01
Classification: B42B

Abstract:
A stack of sheet material defining a packet assembly thereof, said stack consisting of a plurality of sheets, each sheet having a substantially flat body and having an edge provided with a single elongated slot spaced a defined distance from said edge, the elongated slot of each sheet being equal in size and location to those of all other sheets in said stack, the sheets being assembled with the single respective elongated slot in registry throughout the stack of sheets and a single tubular element having a radially resilient body presenting a longitudinal surface having a substantially circular cross-section of substantially uniform radius greater than said defined distance of said elongated slot from said edge of each sheet, said longitudinal surface being shorter than the length of said elongated slot, said tubular element further being provided with a slit extending throughout the longitudinal surface thereof through which said edge of each sheet extends providing for the passage of said tubular element through the elongated slot of each sheet of said stack to maintain each sheet in registry within the stack and to provide for 360.degree. rotation of each sheet about said tubular element.