JPH068740Y2 - Structure for connecting bag component members to each other and bag with partition using this structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The invention of the present application relates to a structure for connecting constituent members of a bag to each other and a bag with a partition which utilizes this structure.

[Conventional technology]

Conventionally, a bag having a lid that is open at both front and rear and having a partition is well known, but in this type of conventional bag, the shape retaining core frame body and the partition are sewn together and incorporated into the gusset. Was there. That is, conventionally, the gusset interior fabric and the edge of the partition core frame body are sewn with a special sewing machine, and in this state, the core frame body is inserted inside the gusset exterior body, and further the interior fabric is attached to the gusset exterior body. Was there.

However, in this conventional bag, the gusset interior fabric and the partition must be sewn to the core frame body made of a hard material with a special sewing machine, and the manufacturing process is complicated, and the gusset interior fabric, the partition, and the core frame are Since the body is sewn together, if any one of the members is damaged, it cannot be repaired unless the special sewing machine is sewn. Further, there is a problem that the mounting position of the partition is limited to the edge of the core frame.

As a means for solving the above problems, the structure developed by our company has been disclosed in Japanese Patent Application No. 1-310110.

This thing, while inserting a core frame body for gusset shape retention inside the gusset exterior body, gusset interior fabric sewn with a partition is provided inside the core frame body, and with the edge of the gusset interior fabric. The edge of the gusset exterior body is closed. Then, as a means for closing both edges, a closing member having a substantially U-shaped cross section is attached to each edge, and the opening portion of one closing member is locked in such a manner that one piece of the other closing member is inserted. ing.

When this structure is adopted, manufacturing is facilitated because the above-mentioned conventional special sewing machine is not sewn, and the partition can be attached at a free position within the width of the gusset.

However, with this one, when a large external force is applied,
The gusset interior fabric and the gusset exterior body may inadvertently come off. In addition, in order to prevent this, if the closing members are adhered to each other, if any one member of the gusset interior fabric, the partition, and the core frame body is damaged, it is difficult to repair like the above-mentioned conventional one. It becomes a thing.

[Problems to be solved by the device]

Therefore, in the invention of this application, it is possible to easily connect and disconnect members such as fabrics and plates that form a bag, and further, to connect the constituent members of the bag having a sufficient coupling force in the connected state. It is an object to provide a structure, and even if any one member of the gusset interior fabric, the partition, and the core frame body is damaged, the gusset interior fabric and the gusset exterior body can be easily repaired. An object of the present invention is to provide a bag with a partition in which the edges of the bag can be securely fixed to each other.

[Means for Solving the Problems]

Therefore, in the invention according to claim 1 of the present application, in the structure for connecting the cloth or the plate-shaped members forming the bag to each other, the cross-section substantially made of elastic synthetic resin is formed at the edge of each member to be connected. By fixing the V-shaped closing member, a protrusion with a triangular cross section is provided on the inner surface of one piece of each closing member, with a small bottom angle on the open side and a large bottom angle on the back side, and at the open portion of one of the closing members. The protrusions are locked to each other in such a manner that one piece of the other closing member is inserted.

Further, according to the invention of claim 4 of this application, the bag has a lid that is open at both the front and the rear of the gusset portion, wherein the gusset shape retaining core frame body is inserted inside the gusset exterior body, and In a bag with a middle partition formed by closing the edge of the gusset interior fabric and the edge of the gusset exterior body sewn with the partition, each of the gusset exterior body and the gusset interior fabric edge is made of an elastic synthetic resin. A closure member having a substantially U-shaped cross section is fixed, and a protrusion having a triangular cross section with a small bottom angle on the open side and a large bottom angle on the back side is provided on the inner surface of one piece of each of the closure members. The protrusions are locked to each other in such a manner that one piece of the other closing member is inserted into the opening member.

[Action]

 The invention of this application has the following actions.

(Operation of the device according to claim 1) In this structure, since the base angle on the opening side of the protrusion having a triangular cross section is made small, only one piece of the other closing member is pushed into the opening of one closing member. The projections can be easily locked with each other, and since the bottom angle of the projections on the back side is increased, the locking of the projections cannot be unintentionally released.

Also, if the closing member is deformed to release the locking between the protrusions,
The cloth or plate-like members of the bag can be easily separated from each other.

(Operation of the invention according to claim 4) In this structure, since the base angle on the open side of the projecting portion having a triangular cross section is made small, only one piece of the other closing member is pushed into the open portion of the one closing member. The projections can be easily locked with each other, and since the bottom angle of the projections on the back side is increased, the locking of the projections cannot be unintentionally released.

Also, if the closing member is deformed to release the locking between the protrusions,
The gusset interior fabric and the gusset exterior body are easily separated, and these and the core frame body can all be separated.

〔Example〕

The configuration of the invention of this application will be described below with reference to the drawings shown as an embodiment.

The bag of the invention of this application has a double-opening structure in which the lid (2) is opened and closed on both front and rear sides of the gusset portion (1), and in the illustrated embodiment, the gusset portion (1) and both front and rear lids (2). Slide fasteners (3) are provided on the left and right sides and the upper side, and the gusset portion (1) and both lids (2) are opened and closed by the slide fasteners (3).

(4) is a core frame body, which is arranged inside the gusset portion (1) in order to retain the shape of the gusset portion (1). This core frame body (4) is used to maintain a fixed shape and needs to be made of a hard material having shape retention property. Generally, a synthetic resin molded product formed into a band with an appropriate width is formed into a rectangular shape. It is bent and used.

This core frame body (4) is inserted inside the gusset exterior body (5), and a gusset interior fabric (7) sewn with a partition (6) is placed inside the core frame body (4). is doing.

The partition (6) divides the storage portion of the bag into front and rear parts, and is provided at the center of the gusset portion (1) in the front-rear direction in the illustrated embodiment, but if necessary, the front and rear portions in the gusset. It can be provided at any position within the width.

In the illustrated embodiment, the gusset interior fabric (7) has a shape that covers the inside of the core frame body (4) and the gusset part (1), and extends from the front and back to the central part, and the front and rear gusset interior fabrics (7) The partition (6) is sewn on, but the gusset interior fabric (7)
It is also possible to construct a single front and rear.

The partition (6) can be implemented as a single-piece structure, but in the case of forming the pocket (8) shown in the figure, in order to prevent the sewing thread on the outer peripheral edge of the pocket (8) from being seen from the back surface, it is doubled. It is desirable to have a structure.

Further, a closing member (9) is sewn to each of the edge of the gusset interior fabric (7) and the edge of the gusset exterior body (5), and a pair of these closing members (9) is sewn. Due to
The edges of the gusset interior fabric (7) and the gusset exterior body (5) are closed.

The closing member (9) has an inner surface on one side (90) thereof,
A ridge (91) extending in the lengthwise direction is formed, and the connection state of the closing members (9) and (9) is surely maintained by the engagement of the ridges (91) and (91). still,
The strip (91) is formed in a triangular shape in cross section having a small bottom angle on the open side and a large bottom angle on the back side of the closing member (9), and thus has the function described in the section of action. is there.

Therefore, in this product, even if an external force acts to separate the gusset exterior body (5) and the gusset interior fabric (7) from each other, the gusset exterior body (5) and the gusset interior fabric (7) are It will not come off accidentally.

In addition, in this embodiment, in order to prevent the gusset exterior body (5) and the gusset interior fabric (7) from being unintentionally separated, the strip (91) is provided on the inner surface of the closing member. Article (9
Instead of 1), engaging pieces arranged at regular intervals may be used.

[Effect of device]

Since the invention of this application has the above-described configuration, it has the following effects. (Effect of the device according to claim 1) It is easy to connect and disconnect members such as fabrics and plates that form a bag, and further, in the connected state, the constituent members of the bag that have a sufficient coupling force. The connection structure of can be provided.

(Effect of the device according to claim 4) When the gusset interior fabric and the gusset exterior body can be easily connected, and an external force acts to separate the gusset interior fabric and the gusset exterior body from each other in the connected state. However, since the projections are not unlocked from each other, the gusset interior fabric and the gusset exterior body will not accidentally come off.

Also, since the gusset interior fabric and the gusset exterior body can be easily removed, of the gusset interior fabric, the partition, and the core frame body,
Even if any one member is damaged, it can be easily repaired.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state before inserting a core frame body of a bag with a partition according to the invention of this application. FIG. 2 is an explanatory longitudinal cross-sectional view of a main portion showing the structure of the gusset portion. FIG. 3 is a partial perspective view showing a state of the closing member. (1) …… Machi part, (2) …… Lid, (3) …… Slide fastener, (4) …… Core frame, (5) …… Machi part exterior body, (6) …… Partitioner, (7) …… gusset interior fabric,
(8) ... pocket, (9) ... closing member, (10) ...
… Open section

Claims (4)

[Scope of utility model registration request] 1. In a structure for connecting cloth or plate-like members constituting a bag, a closing member made of an elastic synthetic resin and having a substantially U-shaped cross section is fixed to the edge of each member to be connected. , A protrusion with a triangular cross section having a small bottom angle on the open side and a large bottom angle on the back side is provided on the inner surface of one piece of each closing member, and one piece of the other closing member is inserted into the open portion of one closing member A structure for connecting the constituent members of the bag to each other, characterized in that the projecting portions are locked to each other in such a manner as to make them possible. 2. The structure for connecting the constituent members of the bag to each other according to claim 1, wherein the projection is formed by a strip extending in the length direction of the closing member. 3. A structure for connecting constituent members of a bag to each other according to claim 1, wherein the protrusions are constituted by engaging pieces arranged at regular intervals in a length direction of the closing member. 4. A bag with openable lids on both the front and the back of the gusset, wherein the gusset shape retaining core frame body is inserted inside the gusset exterior body and the partition is sewn on. In a bag with a partition formed by closing the edge of the gusset and the edge of the gusset outer body, a closing member having a substantially U-shaped cross section formed of elastic synthetic resin at the edge of the gusset outer body and the gusset interior fabric A protrusion having a triangular cross-section with a small bottom angle on the open side and a large bottom angle on the back side is provided on the inner surface of one piece of each closing member. A bag with a partition, characterized in that the protrusions are locked to each other in such a manner that one piece is inserted.