Abstract: The invention includes methods and products which use contact adhesives to secure separate sheets of multiple ply documents to form finished documents, such as integrated letters and envelopes, billing statements, invoices, etc. Sheet material for production of completed documents having plural plies is disclosed, the production of which includes the steps of providing a continuous web of material having sequential parts therealong, the sequential parts including a first part having a first and a second surface and a second part adjacent to the first part having a third and a fourth surface. Contact adhesive is applied to at least the first and second parts in patterns which preclude adhesive contact and bonding of adjacent facing surfaces when the web is stored, i.e., on a roll, but which permit adhesive contact and bonding of the first and second parts when separated and sequentially stacked.

Abstract: The invention includes methods and products which use contact adhesives to secure separate sheets of multiple ply documents to form finished documents, such as integrated letters and envelopes, billing statements, invoices, etc. Sheet material for production of completed documents having plural plies is disclosed, the production of which includes the steps of providing a continuous web of material having sequential parts therealong, the sequential parts including a first part having a first and a second surface and a second part adjacent to the first part having a third and a fourth surface. Contact adhesive is applied to at least the first and second parts in patterns which preclude adhesive contact and bonding of adjacent facing surfaces of the first and second parts when the web is interfolded and the first and second parts are in registry but which permit adhesive contact and bonding of the first and second parts when separated and sequentially stacked.

Abstract: The present invention provides for the use of contact adhesives to secure separate sheets of multiple ply documents together during the printing and collating process to form finished documents, such as integrated letters and envelopes, billing statements, invoices, etc. The contact adhesive patterns are alternatingly offset or staggered on facing surfaces of adjacent sheets, either in a continuous feed interfolded stack or in a stack of separate sheets. In this manner, the adjacent sheets remain free of one another, as the contact adhesive disposed on each facing surface does not come in contact. Yet, the adhesive pattern on every other sheet is identical, to allow corresponding sheets from another like stack to be glued to those of the first stack. Different staggered adhesive arrays may be provided, to allow the assembly of documents having various numbers of plies therein, and for the forming and assembly of address labels to properly configured envelopes, etc.

Abstract: Forms of an overlay attached to a carrier sheet by way of glue lines or cross web glue running perpendicular to the carrier margin holes. The overlay is produced without margins or the margins of the overlay form sheets are removed so that the forms may be separated from the carrier while the carrier remains attached to a recessed print face or tractor feed. The glue lines or cross web glue running perpendicular to the carrier margin holes are isolated from the remainder of the form by stub lines on either side of the glue lines or cross web glue. Alternatively, two glue lines may be used and a single stub provided between the two glue lines.