Patent ID: 7100348

Claim:
A method for forming a plurality of envelopes from a continuous strip of material comprising the steps of: programming a printer to accept a continuous strip of material; thereafter providing division lines on the continuous strip of material defining a plurality of consecutive areas of material to be formed as the envelopes and joint pieces respectively detachably interconnecting the consecutive areas; forming the joint pieces as one or more successive pages which are detachably linked together, wherein each of the joint pieces between the consecutive areas has a programmed length along a longitudinal length of the strip corresponding to a different length letter to be printed on successive joint pieces of said strip; simultaneously printing the consecutive areas of material and the joint pieces; providing folding lines on each of said consecutive areas of material to define a closing flap, a front and a back of the envelope to be formed; folding each of said consecutive areas of printing along the folding lines to form printed envelopes; separating printed joint pieces which form different length letters having separated pages from the printed envelopes; and inserting the letters into the printed envelopes.