JPS60150955U - heavy packaging bag - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a developed view of a three-layer original fabric with a synthetic resin film interposed between the inner and outer paper layers. FIG. 2 is a developed view showing a portion of the flexible means of the synthetic resin film interposed in the middle by tearing a part of the inner layer paper of FIG. Fig. 3 shows a part of the cylindrical body showing the state in which the vertical cylinder is attached. FIG. 4 is a diagram showing the formation of a triangular folded piece. Figure 5 shows the cylindrical body for the air inlet. 6th
The figure is an explanatory diagram of a state in which the upper base 18 is formed. FIGS. 7 and 8 are explanatory plan views showing the positions of adhesive and release agent application areas when the upper sole 18 is formed. FIG. 9 is a plan view of the adhesive layer surface of the decorative paper to be laminated to the upper bottom. FIG. 10 is a plan view of the adhesive layer surface of the decorative paper to be laminated to the bottom sole. FIG. 11 is a plan view of the completed decorative paper shown in FIG. 10. FIG. 12 is a plan view of the present invention in which decorative paper is pasted on the bottom of the bag. FIG. 13 is an explanatory diagram showing the unadhered extra length of the decorative paper immediately before the air inlet and the decorative paper are bonded by heat and pressure after the items are stored in the bag. In addition, each code in the figure is 1 for inner layer paper, 2 for synthetic resin film,
3 is the outer layer paper, 4 and 5 are longitudinal fold lines, 6 is a cylindrical body, 7 is a flexible means, 8 is the first fold line, 9 and 10 are the vertices, 11.12
13 and 14 are triangular folding pieces, 13 and 14 are second fold lines, 15 is a cylindrical body for the air inlet, 16° 11 is the front and rear walls, 16a is the front wall overlapping outer surface, 17b is the overlapping inner surface, 18 is the upper bottom, 19a , 19
b, 19c and 19d are folded inner surfaces, 20.21 are polymerized inner surfaces, 22 is an adhesive layer, 23 is decorative paper, 24 is decorative paper, 25 is a release material, 26, 26 are cut lines, 27 is 28 is a double part, 29 is a glued part, and 10 is a bottom bottom.

Claims (1)

[Scope of utility model registration request] A moisture-proof material such as a synthetic resin film or a synthetic resin tubular film is interposed as one layer of the bag base paper layer, and an adhesive is applied to one surface of the overlapping surfaces of the front and rear walls forming both bottoms, and a release agent is applied to the other surface. A moisture-proof material interposed as one layer of the bag base paper layer in a bag having a folded and square-bottomed bottom, an inlet formed in one corner of one of the bottoms, and an inlet covered with decorative paper on the upper bottom. One end of the decorative paper is provided with a score line, a perforation line, or a means for imparting flexibility to the air inlet and its vicinity, and then has a hot-melt adhesive layer covering the upper base, covering the air outlet. A heavy-duty packaging bag made of a decorative paper which is laminated with an extra length so as to be separated, and further laminated with decorative paper having a peeling material for opening with a double portion at one end on the bottom bottom.