ES188523U - Continuous band of envelopes and letters of commercial type. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Continuous band of envelopes and letters of commercial type, essentially characterized because it is constituted by the superposition of three sheets, the central one, previously printed as a document or commercial letter and one of the external previously printed with the addresses of the future recipient, whose plate printed outside in unión with the remaining external sheet forms the envelope, arranging in the longitudinal margins, corresponding lines of holes, for the continuous drag of the strip during its elaboration in the machine and transversal perforation lines equidistant to previously established distances, being the upper margins of the two outer sheets are interconnected by means of a gluing line and the lower margins of the three sheets by means of another gluing line, between the lines of holes and the gluing lines both upper and lower corresponding perforation lines being provided, having foreseen that e the upper edge of the central sheet is located inside the upper gluing line, that the central sheet is linked transversely to the outer sheets by means of gluing lines located just in the perforating lines separating the commercial letters elaborated and that adjacent to said transverse gluing lines, discontinuous cutting lines with long incisions are provided on either side, a longitudinal perforation line having been provided above the lower gluing line. (Machine-translation by Google Translate, not legally binding)