Combination paper and envelopes formed on a continuous paper web

A continuous envelope and letter arrangement for printing letters and envelope address information on a continuous paper web having a forward side for receiving printing and a back side, comprising lateral edge strips with sprocket holes on the paper web, alternating envelope and letter panels disposed along the paper web, and tear-off lines for separating the envelope and letter panels, disposed transversely between the edge strips, adhesive means on said envelope panels for sealing the envelopes, wherein said envelope and letter panels have identical width between said edge strips in direction transversely to said paper web, wherein said letter panels have a crease line for folding said letter panels about said crease line, and wherein said envelope is adapted for receiving said letter panels before sealing of the envelope;

• further including lateral tear-off lines on the paper web for separating the edge strips from the paper web;
• wherein said center crease line is disposed transversely between the edge strips for dividing the envelope panels into two substantially equal size half panels, said half panels respectively forming a front and a back side of said envelope;
• including on one of said half panels a gummed flap extending away from the respective half panel for sealing the envelope;
• backward facing gum lines on the back side of said paper web, said backward facing gum lines extending along one transverse edge away from the center crease line of one of said half panels and along its two lateral side edges for sealing said envelope panel;
• wherein said letter panels have a length L1 taken in direction of said paper web, and said envelope panels have a width We taken transversely to said paper web between said gum lines extending along the lateral side edges, and wherein said width We is greater than said length L1.