Nova Patents
EP0780243A2

Mailer

Abstract

This invention concerns a special sheet of paper consisting of two consecutive pieces of paper separated by a transverse perforated line, the first piece of paper designed to act as an envelope and the second as the writing paper on which to print messages or other communications; both being provided with transverse folding lines which allow the insertion of the writing paper part into the envelope part so as to form an envelope ready for mailing.

EP0780243A2, drawing sheet 1
Sheet 1 of 4

Term

Term ended

Projected expiry passed 17 December 2016, 9.8 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

5 claims: 4 independent, 1 dependent

  1. 1
    A writing paper sheet joined to a second sheet of paper designed to form a sealed envelope, characterised by two consecutive parts of paper (1) and (2) separated by a transverse perforated line (3); it being provided that - in the case of the version for continuous modules - the first part (1) or envelope part consists of the following:two transverse folding lines (1a) which divide the same into three sections of which at least two (1A, 1B) are of the same height, four longitudinal perforated lines - two outer (1b) along the perforated edges (4a) and two inner (1c) - as well as two longitudinal glue lines (1d) covered by respective removable strips (1e) and positioned on the back face of said envelope part (1) at the centre between one of the outer perforated lines (1b) and the adjacent inner perforated line (1c);it being provided that the second part (2) or writing paper-part is provided with two transverse folding lines (2a) which divide the sheet into three identical sections (2A, 2B, 2C) whose height is equal to that of the above sections (1a, 1B) of the envelope part (1), as well as two longitudinal perforated lines (2c) aligned precisely and consecutively with those of the inner (1c) lines on the envelope part (1).
  2. 3
    A sheet of writing paper joined to a second sheet of paper designed to form a sealed envelope according to one of the previous claims, characterised in that the transverse folding lines (1a) and (2a) consist of perforated lines.
  3. 4
    A sheet of writing paper joined to a second sheet of paper designed to form a sealed envelope according to claims 1 or 2, characterised in that the transverse folding lines (1a) and (2a) consist of creasing.
  4. 5
    A sheet of writing paper joined to a second sheet of paper designed to form a sealed envelope according to claims 1 or 2, characterised by a transparent window (F) on the middle section (1B) of the envelope part (1).