JP3075466U - Bag in box for heat sensitive stencil - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag-in-box for a heat-sensitive stencil, which can be easily mounted on a printing press and easily manufactured. SOLUTION: The bag-in-box is a flexible inner container for containing ink having a base portion; a rigid housing having one side opened and an opening in one side wall; and an opening in one side wall. It has a rigid outer container. The housing is
The base is projected from the opening to accommodate at least a part of the inner container. The inner surface of the side wall of the housing is entirely or partially adhered to the outer surface of the inner container. The bonded inner container and housing are housed in the outer container with the base part protruding from the opening of the outer container. The part that houses the housing of the outer container is
It has the same shape as the housing.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a heat sensitive stencil bag inbox used as a heat sensitive stencil ink container.

[0002]

[Prior art]

 In thermal stencil printing, an ink container is mounted on a printing press, and ink sucked by an ink pump from a base of the ink container is often used. The ink container includes, for example, an ink cartridge type or a bag-in-box type, and the present invention relates to an improvement on the bag-in-box type.

[0005] As a bag-in-box used by being mounted on a printing press as described above, an ink container described in Japanese Utility Model Publication No. Hei 7-26133 has been generally used. The ink container is provided with an outer box, an ink bag formed of a bag-shaped plastic sheet housed in the outer box and filled with ink, and provided on one side wall of the outer box so as to protrude outward. And a base portion communicating with the inside of the ink bag.

[0004] Further, the utility model registration No. 3030986 has a problem that the color and the remaining amount in the ink bag cannot be checked for the ink container, or the base portion and the suction port of the ink suction pump are connected. Describes an ink container that solves the problem of difficulties in performing the operation. This ink container comprises an inner container for storing ink comprising a rigid housing portion having a base portion and a deformable bag-shaped portion continuous with the housing portion, and an outer container for storing the inner container. The outer container has one side open, and the inner container is housed so as to protrude a base from the opened side.

[0005]

[Problems to be solved by the invention]

 The inner container in which the ink of the ink container according to the above-mentioned utility model registration contains ink has a rigid housing portion and a deformable bag-shaped portion that follows the rigid housing portion. The housing and the bag must be fused together, which requires a special heat sealer and high production costs. Therefore, an object of the present invention is to provide an ink container for a thermosensitive stencil which does not have such a problem.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a bag-in-box for a heat-sensitive stencil used by being mounted on a printing press, having a base portion, a flexible inner container for containing ink; It consists of a rigid housing with one side open and an opening in one side wall; and a rigid outer container with an opening in one side wall. The housing accommodates at least a part of the inner container with the base portion protruding from the opening. The inner surface of the side wall of the housing is completely or partially adhered to the outer surface of the inner container so that the inner container is stably held in the outer container. The bonded inner container and housing are housed in the outer container with the base part protruding from the opening of the outer container. The portion of the outer container accommodating the housing has the same shape as the housing, so that the side wall of the housing is entirely in contact with the side wall of the outer container.

[0007]

[Embodiment of the invention]

 The inner container of the bag-in-box according to the present invention is a bag-shaped container made of a flexible material, and ink is stored in the inside thereof. As the flexible material, a soft plastic is usually used, and examples thereof include polyethylene, polyamide, and polyvinyl alcohol. Examples of the soft plastic container that can be used as the inner container in the present invention are as follows. A method described in JP-A-8-216300, that is, a pair of triangular flaps formed at one side opening of an inner bag by sealing one side opening of the inner bag linearly to form a pair of triangular flaps. An inner bag formed by sealing a base end of each of them to form a one-side seal sealing portion and folding a pair of triangular flaps of the inner bag inward. An inner bag using a seamless tube disclosed in JP-A-2000-128236. Making a container with an open top surface from a plastic film by thermoforming such as molding or deep drawing, covering the top surface with a plastic film of the same quality, and heat sealing the plastic film and the peripheral edge of the open top surface. Plastic bag obtained by.

FIG. 3 is a schematic perspective view showing an example of the inner container of the bag-in-box according to the present invention. In FIG. 3, reference numeral 4 denotes an inner container, reference numeral 3 denotes a base portion, reference numeral 8 denotes a container made of a plastic film by thermoforming and has an open upper surface, reference numeral 7 denotes a plastic film covering the open upper surface, and reference numeral 9 denotes a container. Indicates a heat seal portion.

The housing of the bag-in-box of the present invention is for stably holding and housing the inner container inside the outer container, and therefore, the inner surface of the side wall made of synthetic material is entirely Or partially adhered to the outer surface of the inner container.

FIG. 4 is a schematic perspective view showing an example of the housing of the bag-in-box according to the present invention. This housing has a rectangular parallelepiped shape with one side surface opened, and an opening 11 is formed in a side wall 12 parallel to the open surface. The base 3 protrudes from the opening 11 toward the outside of the housing 5.

FIG. 5 is a schematic perspective view showing another example of the housing of the bag-in-box according to the present invention. This housing is composed of a pair of opposing side walls 13, 13 ′ of a substantially right triangle and two side walls 14, 14 ′ of a substantially rectangular shape which are orthogonal to each other. An opening 11 is formed in one of the two rectangular side walls.

FIG. 6 is a schematic perspective view showing still another example of the housing of the bag-in-box according to the present invention. The housing has one open surface, four side walls 15, 15 ', 16, 16' substantially perpendicular to the open surface, one substantially parallel side wall 17, and an inclined side wall having a constant angle of inclination. The prism has a shape in which one corner of the prism is cut out, and an opening 11 is formed in the inclined side wall 18.

FIG. 7 is a schematic perspective view showing still another example of the housing of the bag-in-box according to the present invention. This casing has a triangular prism whose bottom and top are congruent right triangles, and has a shape cut out in a plane parallel to the side connecting the hypotenuses of the right triangle, and the side connecting the hypotenuse is an open surface. A pair of trapezoidal side walls 19 and 19 'facing each other in parallel with each other, a pair of substantially rectangular side walls 20 and 20' facing each other with a certain inclination, and a side wall 21 parallel to the open surface. An opening 11 is formed in a side wall parallel to the plane.

The rigid material forming the housing 5 is not particularly limited, and examples thereof include rigid cardboard, rigid plus chips, and the like. Considering this, rigid cardboard is preferred.

As shown in FIG. 8, a flap 22 having at least one fold or perforation 23 formed substantially parallel to the periphery of the open surface of the housing 5 is preferably provided. . At least the tip of the flap is adhered to the inner container. A flexible inner container rapidly withdraws as the amount of ink stored in it decreases, and may block the ink discharge holes, making it impossible to use up the ink in the inner container to the end Things happen. Therefore, a flap with the above fold or perforation is provided on the periphery of the housing, and the flap and the inner container are adhered to each other, thereby gradually deforming at the periphery of the open surface of the housing, so that the inner container is rapidly depressed. The ink contained in the inner container can be sucked and consumed to the end. Also, in order to fully demonstrate the function of the flap, it is desirable that the housing body excluding the flap houses the inner container at least half its volume.

FIG. 9 is a schematic perspective view showing an example of the outer container before assembling the bag-in-box according to the present invention. In FIG. 9, the outer container 6 is a container made of a rigid material, for example, cardboard or the like and having an opening 24 on one side. For example, a known cardboard box that can be easily assembled by bending, bonding, or the like can be suitably used. It is preferable that the portion that accommodates the housing of the outer container has the same shape as the housing. In this case, the side wall of the housing almost completely contacts the side wall of the outer container. The opening 24 of the outer container 6 is provided at a position corresponding to the opening 11 of the housing 5, and the base 3 protrudes out of the outer container 6 from the opening 24.

[0017]

[Effect of the invention]

 The bag-in-box of the present invention is always easy to connect to the suction port of the ink suction pump of the printing press. Further, according to the configuration of the bag-in-box of the present invention, there is no need to fuse the rigid casing and the flexible inner container, so that the production is easy, and therefore the production efficiency is increased and the production cost is increased. Can be lowered. Further, according to the configuration in which the flap is provided on the periphery of the open surface of the housing, the ink can be consumed without waste and is economical.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing an example of a bag-in-box according to the present invention.

FIG. 2 is a schematic sectional view taken along line XX of FIG. 1;

FIG. 3 is a schematic perspective view showing an example of the inner container of the bag-in-box according to the present invention.

FIG. 4 is a schematic perspective view showing an example of the embodiment of the housing of the bag-in-box according to the present invention.

FIG. 5 is a schematic perspective view showing an example of the embodiment of the housing of the bag-in-box according to the present invention.

FIG. 6 is a schematic perspective view showing an example of the embodiment of the housing of the bag-in-box according to the present invention.

FIG. 7 is a schematic perspective view showing an example of the embodiment of the housing of the bag-in-box according to the present invention.

FIG. 8 is a schematic perspective view showing an example of a housing having a flap on the periphery of an open surface.

FIG. 9 is a schematic perspective view showing an example of the outer container before assembling the bag-in-box according to the present invention.

Claims (8)

[Utility model registration claims] 1. A heat-sensitive stencil bag-in-box used by being mounted on a printing press, comprising a base, a flexible inner container for containing ink; A rigid housing having an opening in a side wall; and a rigid outer container having an opening in one side wall, wherein the housing projects at least a part of the inner container by projecting the base portion from the opening, and accommodates at least a part of the inner container. The inner surface of the side wall is completely or partially adhered to the outer surface of the inner container,
The bag-in-box, wherein the bonded inner container and the housing are housed in the outer container with the base part protruding from an opening of the outer container. 2. The bag-in-box according to claim 1, wherein the housing is made of elastic cardboard. 3. The bag-in-box according to claim 1, wherein the housing has a rectangular parallelepiped shape with one side surface opened, and an opening is formed in a side wall parallel to the open surface. . 4. The casing comprises a pair of substantially right-angled triangular opposing side walls and two substantially rectangular side walls orthogonal to each other, and has a triangular prism shape having an open inclined surface. 3. The bag-in-box according to claim 1, wherein the bag-in-box is a housing having an opening formed in one of side walls of the bag. 5. The housing according to claim 1, wherein the housing has one open surface, and four side walls substantially perpendicular to the open surface, one side wall substantially parallel to the open surface, and one side wall of an inclined side wall having a certain angle of inclination. The bag-in-box according to claim 1 or 2, wherein the bag-in-box has a shape in which a corner is cut off and an opening is formed in the inclined side wall. 6. The casing has a triangular prism whose bottom and top are congruent right triangles, and has a shape cut out in a plane parallel to a side connecting the hypotenuse of the right triangle, and the side connecting the hypotenuse is An open surface, a pair of trapezoidal side walls facing each other in parallel with each other, a pair of substantially rectangular side walls facing each other with a certain inclination and a side wall parallel to the open surface, and a side wall parallel to the open surface. The bag-in-box according to claim 1, wherein the bag-in-box is a housing having an opening formed therein. 7. The housing has a flap on a peripheral edge of an open surface, and at least one fold or perforation is formed on the flap substantially parallel to the peripheral edge, and at least a tip end of the flap is formed by the flap. The bag-in-box according to any one of claims 1 to 6, which is adhered to an inner container. 8. The bag-in-box according to claim 7, wherein the casing main body excluding the flap accommodates the inner container to about half its volume.