Patent ID: 6860955
Filing Date: 2005-03-01
Classification: B43M,B65H,Y10T

Abstract:
1. A process for performing a plurality of operations on an envelope having a flap and a body with a crease line therebetween, which operations are performed at respective spaced-apart locations and are associated with the crease line, comprising the steps of (a) feeding the envelope unflapped, with the crease line trailing, towards a first said location; (b) sensing the passage of the envelope towards the first said location and stopping the envelope when the crease line has been sensed, the stopped position of the crease line comprising a datum position therefor; (c) moving the envelope by respective drive means such that the crease line is disposed at a second location and at a respective distance from the datum position and performing a respective operations on the envelope; (d) moving the envelope by respective drive means such that the crease line is disposed at a third location and at a respective distance from the datum position and performing a respective operation on the envelope, and so on until the plurality of operations has been performed; and wherein for movement of any envelope between two successive locations, and irrespective of the length of the elongate element, the respective drive means is actuated identically for moving the envelope a predetermined distance with respect to each said respective drive means.