JP2906323B2 - Manufacturing method of surface materials for brush cases, files, binders, notebooks, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a facing member used for manufacturing a brush case, a file, a binder, a notebook, and the like.

[0002]

2. Description of the Related Art Heretofore, it has been obtained by superposing inner and outer surface pieces on the front and back of a cardboard core plate and welding the outer peripheral edges of these inner and outer surface pieces to each other outside the outer peripheral edge of the cardboard core plate. Although a cover member having a configuration in which a cardboard core plate is hidden inside is known, there is no configuration in which a cut edge surface of the cardboard core plate is formed to have an edge surface outside an inner / outer surface piece.

[0003]

DISCLOSURE OF THE INVENTION The present invention relates to a novel writing case, a file, a binder, a notebook or the like, which has a configuration in which a cutting edge of a cardboard core is protruded outside the inner and outer surface pieces to form an edge. It is intended to provide a manufacturing method.

[0004]

Means for Solving the Problems In order to achieve the above object, a manufacturing method according to the present invention comprises inserting a thermoplastic soft synthetic resin film between a surface material that is difficult to be welded by high frequency and a core material that is difficult to be welded by high frequency. After laminating the surface material, the sandwiching film, and the core material, the outer peripheral edge of the laminated body is subjected to high-frequency compression fusing to cut the same portion, and the outer peripheral edge of the surface material and the core are fused.
The outer peripheral edge portion of the material is fixed by partially penetrating and solidifying the sandwiched film to the outer peripheral edge portion, and thereafter, the edge face by the fusing is subjected to ball coating.

[0005]

An embodiment of the present invention will be described with reference to the drawings.
First, as shown in FIG. 1, an artificial leather (trade name: Clarino) is cut to form an outer piece 4 having a bottom 2 and a lid 3 continuously on both sides of a back 1, and a bottom of the outer piece 4 is formed. 2 and the upper surface (back surface) of the lid 3, the bottom 2, the urethane core 5 for the bottom and the urethane core 6 for the lid having the same shape as the lid 3, and the upper surface of each urethane core 5, 6 The plastic hard synthetic resin core plates 7 and 8 are overlapped with each other, and the cardboard core plate 9 for the back having the same shape as the back portion 1 is stacked on the upper surface of the back portion 1 of the outer surface piece 4.
And a thermoplastic synthetic resin transparent film 10 of the same size as the outer surface piece 4 on the cardboard core plate 9, and these bottom portions 11 on the upper portion of the bottom portion 11 and the upper portion of the lid portion 12 of the transparent film 10. 2, a bottom paper core plate 13 and a cardboard core plate 14 for the lid portion, which are one size smaller than the lid portion 12, are overlapped with each other to form an outer member forming laminate 1 as shown in FIG.
Get 5. Thereafter, the entire outer periphery 18 of the spine portion 17 in the outer member forming laminated body 15 is subjected to pressure and heat processing (high-frequency welding), and the spine portion 1 of the transparent film 10 is formed.
9 and the entire outer periphery of the back portion 1 of the outer surface piece 4 are welded to each other, and the outer peripheral edges of the bottom portion 21 and the lid portion 22 of the outer member forming laminate 15 are pressurized and heated (high frequency). The entire outer peripheral edge 23 of the bottom portion 11 and the entire outer peripheral edge 24 of the lid portion 12 of the transparent film 10 are melted by heating and pressurizing, and a part thereof is made of bottom cardboard.
The entire outer periphery of each of the core 13 and the cardboard core 14 for the lid and the outside
Infiltrate, cool, and permeate the entire outer periphery of the bottom 2 and the lid 3
By solidifying, these parts are mutually fixed, and
By this pressing , an outer member 27 having push marks 25, 26 as shown in FIG .

Further, separately from the outer member 27, as shown in FIG. 4, a thermoplastic viscous synthetic resin (vinyl chloride) film is cut to form a bottom 32 and a lid 3 on both sides of the back 31.
3 is formed by superposing a bottom cardboard core plate 35 and a cover cardboard core plate 36 on the bottom 32 of the inner plate 34 and the lower surface of the lid J33. Stack 37 for inner member construction as shown
And pressurizing and heating (high frequency welding) the entire outer periphery of the bottom portion 38 and the lid portion 39 of the inner member forming overlapped body 37 to obtain the outer periphery of the bottom portion 32 and the lid portion 33 of the inner surface piece 34. After the entire edges 40 and 41 are heated and pressurized and melted and then solidified by cooling, the inner surface piece 34 is fixed to the entire outer periphery of the bottom cardboard core plate 35 and the entire outer periphery of the lid cardboard core plate 36. As a result, an inner member 44 having press marks 42 and 43 on the entire periphery of the outer surface of the bottom portion 38 and the lid portion 39 in the inner member forming overlapped body 37 as shown in FIG. 6 is obtained.

Next, as shown in FIGS. 7 and 8, the inner member 44 is superimposed on the outer member 27, and in this superposed state, the back portions 46, 47 of the outer member 27 and the inner member 44.
9 and then the entire periphery of the bottom 21 and the lid 22 of the outer member 27 and the bottom 38 and the lid 39 of the inner member 44 is threaded 49, 50 as shown in FIG. Thus, a front cover member 56 having a configuration in which a bottom plate 54 and a cover plate 55 are continuously provided on both sides of a back plate 51 via bendable portions 52 and 53 is obtained.

Further, separately from the above-mentioned outer covering member 56, a thin plate made of a hard thermoplastic synthetic resin is subjected to pressure drawing to form an outer peripheral wall into a double wall structure comprising an inner side wall 58 and an outer side wall 59, and an outer side wall 59. A storage dish 61 for stationery items such as writing implements provided with a flange-shaped welding edge 60 on the entire outer periphery except for the rear side of the bottom edge of the hem is formed on the back plate portion 51 of the front mounting member 56. As shown in FIG. 10, the outer side wall 5 of the outer peripheral wall at the rear side of the back inner surface piece 31 of the back plate portion 51 and the storage dish 61 is placed when the erecting is performed.
9, and the back inner surface piece 31 and the outer side wall 59 are fixed by melting and re-solidifying the adhesive thin film 62 by pressing and heating. As shown in FIG. 11, the storage tray 61 is folded down and overlapped on the bottom plate 54 of the front mounting member 56, and the welding edge 60 of the storage tray 61 is connected to the bottom plate 54.
Then, it is fixed to a portion slightly inside by the outer peripheral edge of the bottom inner surface piece 32 by pressing and heating (high-frequency welding) to obtain the brush body 63.

[0009] Thereafter, as shown in FIGS. 14 to 16, the edge of the entire outer peripheral edge of the front mounting member 56 of the brush body 63 is subjected to balling with a black paint 64 to obtain a finished product 65. Things.

In the figure, reference numeral 70 denotes a ferrite magnet, 71 denotes a yoke, 72 denotes a magnetic metal fitting, 73 denotes an undulating middle plate with a pen holder, and 74 denotes a partition wall.

According to the present invention, there is provided the laminated member 37 for forming the inner member.
Without the cardboard cores 35 and 36 for the bottom and lid, that is, the inner member 44 having only the inner surface piece 34 and the outer member 27 may be superposed and fastened to obtain the covering member 56. .

[0012]

According to the manufacturing method of the present invention, a thermoplastic soft synthetic resin film is sandwiched between a surface material that is difficult to be welded by high frequency and a core material that is difficult to be welded by high frequency. After stacking the core material, the outer peripheral edge of the stacked body is subjected to high-frequency pressure bonding and fusing to cut off the same, and the outer peripheral edge of the surface material and the outer peripheral edge of the core material are fixed together. It is characterized by applying a beading process to the edge surface by the above-mentioned fusing after the partial penetration and solidification of the sandwiched film into the part, so that the method of the present invention is carried out, for example, as in the above embodiment. Can obtain a surface mounting member having a configuration in which the cut edge surface of the cardboard core plate is protruded to the outside of the inner / outer surface piece to make the edge surface.

[0013]

According to the present invention, it is possible to obtain a surface-mounting member having a configuration in which the cut edge surface of the cardboard core plate is protruded to the outside of the inner / outer surface piece and has the edge surface. This achieves an excellent effect of completely achieving the purpose.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is an exploded perspective view of an outer member.

FIG. 2 is a perspective view showing a stacked body for forming an outer member.

FIG. 3 is a perspective view showing an outer member.

FIG. 4 is an exploded perspective view of an inner member.

FIG. 5 is a perspective view showing an overlapping member for forming an inner member.

FIG. 6 is a perspective view showing an inner member.

FIG. 7 is a perspective view showing a state before the outer member and the inner member are stacked.

FIG. 8 is a perspective view showing a state where an outer member and an inner member are welded.

FIG. 9 is a perspective view showing a front mounting member.

FIG. 10 is a perspective view showing a step of fastening the storage tray to the back plate portion.

FIG. 11 is a perspective view showing the brush case main body in an open state.

FIG. 12 is a perspective view similarly showing a state in which the lid is closed.

FIG. 13 is an enlarged sectional view taken along the line AA of FIG.

FIG. 14 is a perspective view showing a completed product in an opened state.

FIG. 15 is a perspective view similarly showing the cover in a closed state.

FIG. 16 is a sectional view taken along the line B-B of FIG. 15;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Back part 2 Bottom part 3 Lid part 4 Outer surface piece 5 Urethane core 6 Urethane core 7 Hard synthetic resin core plate 8 Hard synthetic resin core plate 9 Cardboard core plate for back 10 Transparent film 11 Bottom part 12 Cover part 13 Cardboard core for bottom 14 Cardboard board for lid part 15 Laminated body for outer member 17 Back part 18 Full outer circumference 19 Back part 21 Bottom part 22 Lid part 23 Full outer circumference 24 Full outer circumference 25, 26 Press mark 27 Outer member 31 Back 32 Bottom 33 Lid part 34 Inner surface piece 35 Cardboard core plate for bottom 36 Cardboard core plate for lid 37 Laminated body for inner member construction 38 Bottom part 39 Cover part 40, 41 Entire outer periphery 42, 43 Press mark 44 Inner member 46, 47 Back part 48 Outer peripheral edge 49, 50 Thread 51 Back plate 52, 53 Bendable portion 54 Bottom plate 55 Cover plate 56 Front mounting member 58 Inner side wall 59 Outer side wall 60 Welding edge 6 DESCRIPTION OF SYMBOLS 1 Storage dish 62 Thin film for heat bonding 63 Brush body 64 Black paint 65 Finished product 69 Pocket 70 Ferrite magnet 71 Yoke 72 Magnetic fitting 73 Middle plate 74 Partition wall

Claims (1)

(57) [Claims] 1. A thermoplastic soft synthetic resin film is sandwiched between a surface material that is difficult to be welded by high frequency and a core material that is difficult to be welded by high frequency welding. The outer peripheral edge of the body is subjected to high-frequency compression fusing to cut off the same, and the outer peripheral edge of the surface material and the outer peripheral edge of the core material are fixed. A method for producing a surface material for a brush, a file, a binder, a notebook, and the like, wherein the surface is made by infiltration and solidification, and thereafter, the edge of the edge by the above-mentioned fusing is subjected to beading.