In a paper processing machine, the method and apparatus of this invention apply an opposite electrostatic charge to stacks and reams of paper to eliminate the repelling force from like charges on both sides of the individual sheets of the stack or ream to thereby temporarily bond them together. With...http://www.google.es/patents/US5228373?utm_source=gb-gplus-sharePatente US5228373 - Method and apparatus using electrostatic charges to temporarily hold packets of paper
Method and apparatus using electrostatic charges to temporarily hold packets ...
