JP3808025B2 - bag - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag that includes a bag body having an opening, and is configured so that an article can be easily inserted into and removed from the bag body through the opening. More specifically, it comprises a closing means for closing the opening of the bag body, and a biasing means for biasing the opening edge of the opening so as to spread, and as soon as the closed state by the closing means is released, The present invention relates to a bag configured such that an opening of a bag body is opened largely automatically.
[0002]
[Prior art]
Conventionally, as this type of bag, various sketch cases such as a sketch case B-type wide open and a C-type super open are known (see Non-Patent Document 1). These sketch cases are provided with a bag-shaped bag body provided with a storage space for storing an object such as an art tool. An upper end portion of the bag body is provided with an opening and a snap fastener or a slide fastener that closes the opening so that the opening can be opened and closed. And in the state which closed the said opening part, this bag main body is formed in the substantially rectangular parallelepiped shape which consists of six surfaces, upper and lower both end surfaces, front and rear both end surfaces, and both right and left side surfaces, and the state which opened the said opening part Then, the whole upper end surface is greatly opened so that insertions and removals can be easily performed.
[0003]
On the other hand, as a bag configured to urge the opening portion to an open state, a cover-type bag having a lid that opens and closes the opening in a continuous manner on the upper edge of the back plate of the bag body having an upper surface opened. Is known (see Patent Document 1). The collar has an inner lining stretched on the inner surface of the back plate and lid, and a belt-shaped leaf spring covered entirely with resin is enclosed between the back plate and lid and the lining. Yes. Further, the upper end of the leaf spring is fixed to the leading edge of the lid, and the lower end thereof reaches the lower portion of the back plate and is a free end. And this covering lid type ridge is made by applying resin coating to the entire surface of the leaf spring that raises the lid and keeps the opening open. The spring is not exposed to the outside. Furthermore, fingers are not injured when an inner pocket is formed by the lining and an article is taken out from the opening. Further, there is no possibility that the lower end of the leaf spring as a free end will unexpectedly jump out of the opening of the inner pocket.
[0004]
[Non-Patent Document 1]
“Bunkei 2002 Teaching Material Catalog”, Bunyodo Co., Ltd., March 2002, p30-31
[Patent Document 1]
Registered Utility Model No. 3043929
[0005]
[Problems to be solved by the invention]
However, in the conventional sketch case, after releasing the closed state of the opening by the snap fastener or the slide fastener, the entire upper end surface of the bag body is enlarged by performing an operation of further expanding the opening to the front and rear or left and right. I was able to open it. For this reason, when inserting and removing a bulky and large container from the inside of the bag body, it is necessary to perform at least two operations of releasing the closed state of the opening and expanding the opening. Yes, workability was not very good.
[0006]
In addition, the leaf spring provided on the conventional cover lid type can hold the lid in an upright state, while the upper end portion of the back plate and the upper end of the front plate disposed to face the back plate The opening (opening edge) formed between the two portions is not configured to be large. For this reason, in this cover-type saddle, after the lid is semi-automatically raised by the urging force of the leaf spring, the upper end of the front plate and the upper end of the back plate are the same as in the case of the conventional sketch case. It was necessary to insert the contents by expanding the parts in a direction away from each other.
[0007]
The present invention has been made paying attention to the problems existing in the prior art as described above. An object of the present invention is to provide a bag configured so that insertion / removal of the contents can be performed remarkably easily.
[0008]
[Means for Solving the Problems]
  In order to achieve the above object, a bag according to a first aspect of the present invention comprises a bag body having an opening, and a closing means for closing the opening of the bag body so as to be openable and closable, through the opening. The bag is configured to detachably accommodate a stored item in the bag body, and provided with a biasing means that biases the opening edge of the opening to be spread.The biasing means is disposed so as to extend over the entire short upper end edge of the opening, and the closing means is a slide fastener and is disposed so as to extend along the long upper end edge of the opening.It is characterized by that.
[0009]
According to a second aspect of the present invention, the bag according to the first aspect of the present invention is configured such that, in the first aspect of the invention, the urging means pushes the opening edge in a direction orthogonal to the insertion / removal direction of the contents to / from the bag body. It is characterized by this.
[0010]
A bag according to a third aspect of the present invention is the bag according to the first or second aspect, wherein the bag body is formed in a substantially square box shape and is opened by the urging means. The area is the same as or larger than the area of the back surface of the bag body.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings.
As shown in FIGS. 1 and 2, an art material case 11 as a bag according to the embodiment includes a bag body 12 formed in a bag shape from a nylon fabric or the like. The bag main body 12 is formed in a substantially rectangular parallelepiped shape (substantially long rectangular box shape), and an upper opening 13 serving as an opening is provided at the upper end of the bag main body 12, and an art tool 14 as an accommodation is provided. It is configured to be removably accommodated. The art tool 14 is composed of a brush wash 15 formed of a synthetic resin in a bottomed rectangular box shape, a brush 16 housed in a predetermined position in the brush wash 15, a paint, a palette, and the like.
[0012]
A bottom rubber sheet (not shown) formed in a bottom rectangular shape is disposed on the bottom lower surface of the bag body 12. As schematically shown in FIG. 3, on the upper surface of the bottom rubber sheet, a bottom as a shape holding member formed in a long square plate shape (the same shape as the bottom rubber sheet) with a hard synthetic resin (polypropylene). The reinforcing plate 21 is attached, and the upper surface of the bottom reinforcing plate 21 is covered with nylon cloth.
[0013]
As shown in FIGS. 1 to 3, the left and right sides of the bag body 12 are sewn along the side edges of the bottom rubber sheet and the nylon fabric, and are erected so as to extend above the bag body 12. A pair of lower long side sheets 22 is provided. Above the lower long side sheet 22, it is located at the upper end of the opened bag body 12 shown in FIGS. 1 and 3A, and is sewn along the upper edge of the sheet 22 and upward. A pair of left and right upper long side sheets 23 erected so as to extend are provided.
[0014]
In addition, a pair of front and rear lower short sheets 24 that are sewed along the edges of the bottom rubber sheet and the nylon fabric at both the front and rear ends of the bag body 12 so as to extend above the bag body 12. Is provided. Above these lower short sheets 24 are a pair of front and rear upper parts located at the upper end of the bag body 12 in an open state and sewed along the upper edge of the sheet 24 and extending upward. A short side sheet 25 is provided. Further, the left and right side edges of the lower short sheet 24 and the upper short sheet 25 are stitched along the front and rear edges of the lower long sheet 22 and the upper long sheet 23, respectively.
[0015]
The lower part of the opened bag body 12 shown in FIG. 3A, that is, the front and rear ends and the left and right sides of the closed bag body 12 shown in FIG. A side reinforcing cylinder 26 is disposed as a shape-holding member formed into a long rectangular cylinder by bending the polyurethane at a predetermined position. The side reinforcing cylinder 26 is embedded in the lower long side sheet 22 and the lower short side sheet 24, and a pair of nylon fabrics constituting the inner and outer portions of the sheets 22 and 24 are provided on both inner and outer side surfaces. Covered. The side reinforcing cylinder 26 is configured to be sewn at the same time when the sheets 22, 23, 24, 25 are sewn, and the lower long side sheet 22 and the lower short side sheet 24 are respectively sewn. It plays the role of shape maintenance so as to extend in the vertical direction.
[0016]
As shown in FIGS. 1 and 2, a pair of left and right grip strings 31 as a grip portion for gripping the bag body 12 are sewn to the left and right side portions of the art material case 11. The gripping cord 31 is integrated with the bag body 12 by sewing the central portion of the nylon annular cloth to the lower surface of the bottom rubber sheet and the outer surfaces of the left and right lower long side sheets 22. Further, an outer pocket 32 is provided on the outer side surface of the bag body 12 so as to be opened and closed by a slide fastener, and an inner pocket 33 is provided on the inner side surface of the other side portion of the bag body 12, Small items are appropriately accommodated. Both the outer and inner pockets 32 and 33 are made of nylon cloth having the same shape as the lower long side sheet 22, and are attached along the side surface of the sheet 22. A male hook-and-loop fastener 34 is sewn at the center of the outer surface of the lower short sheet 24.
[0017]
As shown in FIG. 1, a slide fastener 36 (zipper or chuck) serving as a closing means is provided at the upper end of the bag body 12 so as to extend in the front-rear direction along the upper edge of the upper long seat 23. The upper opening 13 is closed so that it can be opened and closed. The slide fastener 36 is sewn so as to extend in the front-rear direction over the entire upper end edge of the upper long side sheet 23, and is sewn to the left and right ends of the upper short side sheet 25. The upper edge is not sewn. The slide fastener 36 is provided with a pair of front and rear slide fittings 36a. Further, at both ends of the slide fastener 36, female surface fasteners (not shown) that are detachably joined to the male surface fastener 34 are sewn on the lower surface (inner surface) side.
[0018]
As shown in FIGS. 1 and 3A, the upper short side sheet 25 is disposed at the upper end portion so as to extend in the horizontal direction (both left and right sides) along the upper end edge of the sheet 25, and is made of stainless steel. Are provided with a pair of front and rear coil springs 37 as a biasing means and a spring member. These coil springs 37 are arranged so as to extend over the entire upper edge of the upper short side sheet 25, and are sewn while being sandwiched between a pair of nylon fabrics constituting the inner and outer sides of the upper short side sheet 25. It is fixed. The coil spring 37 is configured to be elastically deformed in an arbitrary direction at an arbitrary position as shown in FIGS. 2 and 3B, for example.
[0019]
The operation of the art material case 11 will be described below.
The upper long side sheet 23 as a sheet material constituting the upper part of the art material case 11 is composed of one mesh-like nylon cloth, and the upper short side sheet 25 as a sheet material is formed of two sheets of the same size and shape. It is comprised by making the nylon cloth | dye close and sew on. For this reason, both of these sheets 23 and 25 have flexibility, and are suitably deformed in accordance with the opened / closed state of the bag body 12 shown in FIGS. 1 and 2. On the other hand, the lower long side sheet 22 and the lower short side sheet 24 constituting the lower part of the art material case 11 are each provided with a side reinforcing cylinder 26 made of a soft resin as a shape holding member. According to the shape of the side reinforcement cylinder 26, it is erected so as to extend in the vertical direction along the peripheral edge of the bottom rubber sheet. Further, the bottom portion (bottom surface as the back surface) of the bag body 12 located at the lower end of the art material case 11 always has a bottom long rectangular shape in accordance with the shape of the bottom reinforcing plate 21 made of hard resin as the shape holding member. Is maintained.
[0020]
The bag body 12 of the art material case 11 can take two forms, that is, an open state shown in FIG. 1 and a closed state shown in FIG.
As shown in FIGS. 1 and 3 (a), the bag body 12 in an open state is formed so as to have a bottomed rectangular tube shape as a whole. The bag body 12 has a bottom portion formed in a long rectangular plate shape by a bottom reinforcing plate 21, and a lower side portion (a lower long side sheet 22 and a lower short side sheet 24) that is long by a side reinforcing tube 26. It is formed in a square cylinder shape. Further, the upper side portions (the upper long side sheet 23 and the upper short side sheet 25) of the bag body 12 project the upper edge of the pair of upper short side sheets 25 facing the pair of front and rear coil springs 37 to the left and right sides. It is biased so as to be stretched, and is formed in a long rectangular tube shape that extends upward while continuing from the lower side portion of the bag body 12. As a result, an upper opening 13 having an opening area substantially the same as the area of the bottom reinforcing plate 21 is opened at the upper end of the opened bag body 12. Further, the peripheral edge of the upper opening 13 is an opening edge 40 formed so as to be a planar long square ring by the upper end edges of the upper long side sheet 23 and the upper short side sheet 25.
[0021]
As shown in FIG.2 and FIG.3 (b), the bag main body 12 of a closed state is formed so that the whole may become a rectangular parallelepiped shape. The bottom of the bag body 12 is formed into a long square plate shape by a bottom reinforcing plate 21, and its side portions (a lower long side sheet 22 and a lower short side sheet 24) are long rectangular by a side reinforcing tube 26. It is formed in a cylindrical shape. Further, the upper end surface of the bag body 12 is formed in a long rectangular plate shape along a substantially horizontal plane by a pair of opposed upper long side sheets 23 joined by a slide fastener 36. Further, at the upper ends of the front and rear end faces of the bag body 12, there are provided end bent portions 41 formed so as to have a substantially triangular shape when the upper short sheet 25 is folded.
[0022]
The end bent portion 41 is bent at a predetermined position when the upper short side sheet 25 formed into a quadrangular shape by a flexible sheet material closes the upper opening 13 by the slide fastener 36. However, the bag body 12 is formed in a triangular shape by protruding outward. In the process of forming the end bent portion 41, first, the first mountain fold line 42 located at the center of the upper end portion of the upper short side sheet 25 schematically shown in FIGS. 3 (a) and 3 (b) is bent. The upper corner portions of the 25 are disposed so as to be close to each other, and the central portion of the coil spring 37 protrudes outward (forward or backward) of the bag body 12. Subsequently, the upper short side sheet 25 is bent along the virtual folding line 43 while being elastically deformed so that the coil spring 37 has a U shape.
[0023]
The virtual folding line 43 is located at the lower end of the sheet 25 and a pair of left and right second mountain folding lines 43a extending obliquely from the lower corner portion of the upper short sheet 25 toward the first mountain folding line 42. 25, and a valley fold line 43b extending in the horizontal direction along the lower end edge. And this edge part bent part 41 is a lower short side sheet | seat, while the left and right 2nd mountain fold line 43a is folded in a mountain and the valley fold line 43b is folded in a valley so that it may be dragged by the elastic deformation of the said coil spring 37 24 along the outer surface.
[0024]
1, the sheet case 11, 23, 24, 25 constituting the side portion of the bag body 12 is formed from the outer peripheral edge of the bottom reinforcing plate 21 to the upper opening portion as described above. 13 is formed to extend in the vertical direction to the outer peripheral edge (opening edge 40). For this reason, when the art tool 14 is inserted into the art material case 11, the art tool 14 can be inserted into the bag body 12 through the upper opening 13 opened to have the maximum opening area. In order to facilitate the insertion of the tool 14, there is no need to push the upper opening 13 forward, backward, left and right with fingers.
[0025]
When the art material case 11 in the open state is closed by the slide fastener 36 to be in the closed state shown in FIG. 2, the slide fitting is held by the other finger with the front end of the slide fastener 36 held by one finger. 36 a is slid to the rear end side of the fastener 36. At this time, in the art material case 11, the upper short sheet 25 is bent to form the end bent portion 41 while the coil spring 37 located at the front end of the bag body 12 is elastically deformed. At this time, the coil spring 37 has a central portion along the first mountain fold line 42 due to a pulling force applied to the front of the bag body 12 by a finger gripping the front end portion of the slide fastener 36. It is easily bent and elastically deformed.
[0026]
Next, the art material case 11 has a pair of front and rear slide fittings by sliding the other slide fitting 36a toward the front end with the other finger while holding the rear end of the slide fastener 36 with one finger. The closed state shown in FIG. 2 is obtained by arranging 36a close to each other. At this time, in the art material case 11, since the side lower part of the bag body 12 maintains the long rectangular tube shape by the side reinforcing cylinder 26, the pair of left and right upper long side sheets 23 are easy due to its flexibility. The upper surface of the bag body 12 is formed in a rectangular parallelepiped shape.
[0027]
Conversely, when taking out the art tool 14 from the closed art material case 11, first, the pair of front and rear slide fittings 36 a are slid in the direction away from the front and rear ends of the slide fastener 36, and the upper opening After opening 13 largely, the art tool 14 is taken out through the upper opening 13. At this time, in this drawing material case 11, as soon as the closed state by the slide fastener 36 is released, the elastic deformation of the pair of front and rear coil springs 37 is released, and the pair of front and rear end bent portions 41 are developed. As a result, the upper short side sheet 25 is erected on the lower short side sheet 24 so as to extend in the vertical direction, and the coil spring 37 projects the upper edge of the sheet 25 to the left and right sides, The upper opening 13 of the bag body 12 is opened so as to have the maximum opening area, so that the art tool 14 can be easily taken out.
[0028]
The effects exhibited by the above embodiment will be described below.
The art material case 11 of the embodiment includes a bag main body 12, a slide fastener 36 that closes and closes the upper opening 13 of the bag main body 12 so that the upper opening 13 can be opened and closed, and an opening edge 40 of the upper opening 13. A coil spring 37 that urges the air to push and expand is provided. That is, in this art material case 11, as soon as the closed state of the upper opening 13 by the slide fastener 36 is released, the coil spring 37 automatically pushes the opening edge 40 of the upper opening 13 and opens the upper opening 13. It is configured so that it can be automatically opened so as to be almost at the maximum opening state. For this reason, in this art material case 11, it is not necessary to manually push the upper opening 13 of the bag body 12 back and forth and right and left after releasing the closed state, so that the art material tool 14 is inserted into and removed from the bag body 12. Can be performed remarkably easily and quickly. In particular, in the art material case 11, the attached brush wash 15 is only formed slightly smaller than the closed bag body 12, so that the opening edge 40 is automatically set to the maximum open state. It can be said that the usability of the point opened by the is very good.
[0029]
In this art material case 11, the coil spring 37 causes the opening edge 40 constituting the outer peripheral edge of the upper opening 13 to be perpendicular to the insertion / removal direction (vertical direction) of the art material tool 14 with respect to the bag body 12 (front and rear direction and It is configured to be expanded in the left-right direction). For this reason, in this art material case 11, the art material tool 14 is inserted and removed in a direction orthogonal to the plane (horizontal plane) including the opening edge 40, so that the outer portion of the art material tool 14 is hooked on the opening edge 40. The fear is reduced, and the insertion and removal can be performed very easily and quickly.
[0030]
In the art material case 11, the bag body 12 is formed in a long rectangular box shape, and the opening area of the upper opening 13 that is expanded by the coil spring 37 is the bottom surface of the bag body 12 (bottom reinforcing plate 21). The area is substantially the same. For this reason, in this art material case 11, when the art material tool 14 is inserted / removed, the possibility that the outer portion of the art material tool 14 is caught on the opening edge 40 of the bag body 12 and the inner side surface of the bag body 12 is remarkably reduced. It can be done easily and quickly.
[0031]
In the art material case 11, the upper long side sheet 23 and the upper short side sheet 25 located at the peripheral edge of the opening edge 40 (near the opening edge 40) are flexible and easy to bend and fold. It is made of nylon as a material. That is, in the art material case 11, the peripheral edge portion of the opening edge 40 is easily folded and formed in a closed state, and is easily developed by the urging force of the coil spring 37 to be formed in an open state. For this reason, in this art material case 11, since the opening / closing operation | work of the upper opening part 13 can be performed easily and rapidly, it is possible to shorten the time concerning insertion / extraction of the art material tool 14 easily.
[0032]
Further, in this art material case 11, since the side reinforcing cylinder 26 is attached to the lower part of the bag body 12 at a position facing the opening edge 40, the lower part of the bag body 12 is easily held in shape and handled. Good properties. In addition, along the lower end portion (valley fold line 43 b) of the upper short side sheet 25 and the lower end portion of the upper long side sheet 23 positioned slightly above the upper end edge of the side reinforcing cylinder 26, the sheets 23, 25 Is appropriately folded, it is easy to improve the shape of the closed bag body 12.
[0033]
The art material case 11 is configured such that the upper opening 13 of the bag body 12 is closed by a slide fastener 36 so as to be opened and closed. For this reason, in this drawing material case 11, the upper opening 13 can be closed by joining the left and right upper long side sheets 23 by one operation of sliding the slide fitting 36a. Therefore, the opening / closing operation is remarkably easy as compared with the snap fastener and the hook-and-loop fastener in which the joining process of the upper long side sheets 23 and the closing process of the upper opening 13 are usually performed separately.
[0034]
Furthermore, in the art material case 11, since the upper opening 13 is closed in order from one end thereof, it is extremely easy to cause the coil spring 37 to be folded in an orderly and appropriate manner. In particular, in the art material case 11, the end portion of the slide fastener 36 is located on the side (front or rear) of the central portion of the coil spring 37, and both end portions of the coil spring 37 are along the closing direction of the slide fastener 36. It is arranged to extend. For this reason, in this art material case 11, as the slide fitting 36a is slid from the end portion of the slide fastener 36 to the center portion side, the elastic deformation of the coil spring 37 sequentially proceeds from the center portion to the end portion side. Therefore, the coil spring 37 can always cause appropriate elastic deformation.
[0035]
In the art material case 11, the coil spring 37 is disposed so as to extend along the opening edge 40 of the bag body 12. In the art material case 11, the coil spring 37 is disposed so as to extend along the slide fastener 36. For this reason, in this drawing material case 11, it is easy to form the shape of the upper opening 13 in the open state into a predetermined shape, and it is difficult to lose shape. Furthermore, the elastic deformation of the coil spring 37 accompanying opening and closing of the opening edge 40 of the bag body 12 is extremely easy.
[0036]
  In addition, this embodiment can also be changed and embodied as follows..
[0043]
A shape memory member such as a shape memory resin may be used instead of the coil spring 37 as the spring member. The bottom reinforcing plate 21 or the side reinforcing cylinder 26 may be omitted. You may comprise each sheet | seat 22,23,24,25 with cloth or leather. The entire coil spring 37 may be covered with a synthetic resin such as a resin film.
[0044]
-You may comprise so that the opening area of the upper opening part 13 pushed and spread by the coil spring 37 may become larger than the area of the bottom face (bottom part reinforcement board 21) of the bag main body 12. FIG. When comprised in this way, insertion / extraction of the art tool 14 in the bag main body 12 becomes still easier.
[0045]
  Further, the technical idea that can be grasped from the embodiment will be described below.
  The peripheral edge of the opening edge is made of a flexible sheet material, and a shape holding member is disposed on the back side of the bag body.RuG.
[0046]
  -The closing means is constituted by a slide fastener provided so as to extend along the opening edge.RuG.
[0047]
  The urging means is provided so as to extend along the opening edge or the closing means.RuG.
  The urging means is disposed so as to connect between the opening edge and the back of the bag body.RuG.
[0048]
【The invention's effect】
As described in detail above, the present invention has the following effects.
According to the bag of the invention of the first to third aspects, insertion / removal of the contents can be performed remarkably easily.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating an art material case in an open state according to an embodiment.
FIG. 2 is a perspective view illustrating an art material case in a closed state according to the embodiment.
FIG. 3A is a front view schematically showing the bag body in the opened state according to the embodiment, and FIG. 3B is a front view schematically showing the bag body in the closed state.
[Explanation of symbols]
  DESCRIPTION OF SYMBOLS 11 ... Painting material case as a bag, 12 ... Bag main body, 13 ... Upper opening as an opening part, 14 ... Painting material tool as a container, 36 ... Slide fastener as closing means, 37 ... Coil spring as urging means 40 ... Openingedge.

Claims (3)

A bag body, comprising: a bag body having an opening; and a closing means for closing the opening of the bag body so as to be openable and closable. There,
There is provided a biasing means for biasing the opening edge of the opening so as to push it wide, the biasing means is disposed so as to extend over the entire short upper end edge of the opening, and the closing means is a slide fastener. The bag is arranged so as to extend along the upper end edge on the long side of the opening . The bag according to claim 1, wherein the urging means pushes the opening edge in a direction orthogonal to the insertion / removal direction of the contents to / from the bag body. While forming the bag body in a substantially square box shape,
The bag according to claim 1 or 2, wherein the opening area of the opening pushed out by the biasing means is configured to be the same as or larger than the area of the back surface of the bag body. .

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