JPH0194249U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a schematic plan view of the first continuous paper constituting the envelope top paper in the gusseted continuous envelope of this invention, and Fig. 2 shows each valley fold of the first continuous paper shown in Fig. 1. A schematic plan view showing the state of folding along the line and each mountain fold line, FIG. 3 is an enlarged sectional view along the line - in FIG. 2, and FIG. Schematic plan view of the paper,
FIG. 5 is a partially cutaway schematic perspective view showing a continuous envelope with a gusset formed by overlapping and bonding a first continuous paper and a second continuous paper;
The figure is an enlarged cross-sectional view taken along the line 7 in Figure 5.
This figure is a schematic perspective view of a gusseted envelope obtained by cutting the gusseted continuous envelope shown in FIG. 5 along each unit envelope separation line. 1... First continuous paper, 2, 22... Sprocket hole row,
3, 23... Perforation line for unit envelope separation, 4, 4...
...Glue allowance area, 5,5... Valley fold line, 6,6... Gusset width area, 7,7... Mountain fold line, 11... Gusset adhesive, 21... Second continuous paper, C, E...Continuous envelope with gusset, E...Envelope with gusset, _W1 ...Width dimension of _first continuous paper, _W2 ...Width dimension of second continuous paper, w...Width dimension of gusset width area .

Claims (1)

[Claims for Utility Model Registration] Consisting of a first continuous sheet of paper with a width dimension W ₁ constituting the top sheet of an envelope, and a second continuous sheet of paper having a width dimension W ₂ constituting the bottom sheet of the envelope, Continuous paper has a pair of sprocket hole rows provided parallel to each other along the length direction on both edges in the width direction,
A perforation line for separating unit envelopes provided at an appropriate interval D in the length direction, a pair of valley fold lines provided at both edges in the width direction with a gluing margin extending in the length direction, and each of the above-mentioned a pair of mountain fold lines that are parallel to the valley fold line and form a gusset width region having a width dimension w between the valley fold line, and a bottom line of each unit envelope for each unit envelope separation perforation line; an adhesive layer is provided on the back side of the gusset width region along the gusset, and the second continuous paper has a pair of perforation hole rows provided parallel to each other along the length direction at both edges in the width direction;
perforation lines for separating unit envelopes provided at intervals D in the length direction, and for each perforation line for separating unit envelopes, on the inside of the bottom line of each unit envelope and on the inside of each of the perforation hole rows. an adhesive layer is provided along the first continuous paper, the first continuous paper is folded along the valley fold line and the mountain fold line, and the second continuous paper is placed on the second continuous paper;
A continuous envelope with a gusset, in which the perforation lines for separating unit envelopes are aligned and laminated and bonded to form a gusseted envelope having an opening at one of the separation ends along the perforation line for separating the unit envelopes.