B - Operations – Transporting – 42 – C
Patent
B - Operations, Transporting
42
C
B42C 9/00 (2006.01) B42D 1/00 (2006.01)
Patent
CA 2518693
The invention relates to a method of producing a folded, closed booklet which is glued at the central fold thereof. The invention is characterised in that several identical sheets of paper having the same format are stacked on top of one another and are interconnected using a seam of glue which is applied transversely along the centre thereof, and all of said sheets are subsequently folded. The aforementioned glue seam forms a central hinge (1) around which the symmetric pages (2) are articulated. Each of the pages comprises a fold line (3) along the centre thereof, thereby defining an end panel (4a) and a central panel (4b). The inner faces of all of the stacked end panels (4a) are then folded simultaneously against the inner faces of all of the stacked central panels (4b), by means of folding in quires, such that the inner faces of the end panels (4a) are pressed against the inner faces of the central panels (4b) which are articulated around the above-mentioned central hinge (1). Glue is applied to two faces of the booklet, in the form of a line along the edge or drops at suitable points, and the inner faces of the booklet are then applied against one another in order to close same.
Procédé d'élaboration d'un livret collé au pli central, replié et fermé, caractérisé en ce qu'on superpose plusieurs feuilles de papier identiques de même format que l'on rend solidaires par un trait de colle appliqué transversalement en leur milieu, puis on plie ensemble lesdites feuilles superposées au trait de colle qui constitue la charnière centrale (1) autour de laquelle s'articulent les feuillets symétriques (2) comportant chacun une ligne de pliage (3) en leur milieu délimitant ainsi un volet d'extrémité (4a) et un volet central (4b), puis on rabat simultanément la face interne de tous les volets d'extrémités (4a) superposés sur la face interne de tous les volets centraux (4b) super-posés par un pliage dit "en portefeuille", les faces internes des volets d'extré~ mité (4a) étant alors plaquées sur les faces internes des volets centraux (4b) articulés autour de la charnière centrale (1), puis on applique les unes sur les autres les faces internes du livret dont deux faces auront reçu un trait ou des points de colle sur les bords ou à des endroits appropriés pour obtenir la fermeture du livret.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Rondeau Jean-Marc
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