JP3940774B2 - 鞄 、 鞄 的 制造 方法 及 片状 部件 的 连接 部 的 制造 方法 - Google Patents

Description

  The present invention relates to a bag and a method for manufacturing the bag, and particularly to a waterproof function of the bag.

  Conventional methods for improving the waterproofness of cocoons include a method of applying water-repellent treatment such as applying a fluororesin to the fabric that constitutes the cocoon body, and a non-water-permeable material such as vinyl chloride as a backing. There was a way to put it. By using each method as described above, it has been devised so that water does not permeate from the surface of the basket.

  Also, a waterproof bag body is provided in the bag, and the bag body is set on the inner wall of the bag with a hook-and-loop fastener, and when necessary, the wall portion of the bag body is opened to put an object and covered with a canopy portion. Exists (see Patent Document 1).

Also related to waterproof zacks, the entire zac body, except for the lid for taking in and out, is made of mesh material, and inside this zac body there is a fully waterproof inner bag inserted as an inner bag (patent) Reference 2).
Registered Utility Model No. 3049592 JP 2002-34626 A

  However, there has been a problem that sufficient waterproofness cannot be obtained even if a method of applying water repellent treatment or using a material having no water permeability is used. In other words, the heel is usually manufactured by connecting fabrics by sewing, but there is a problem that sufficient water resistance cannot be obtained because water enters from the needle holes in the sewing. In particular, a school bag is often required to be waterproof because the contents are often books such as textbooks or printed paper. In particular, even if the heel fabric itself is water-repellent, water drops flow down on the surface of the fabric and the water droplets accumulate at the sewing portion with the bottom of the heel, so that water permeates from a needle hole or the like in sewing. Then, the contents of the bag are highly water-absorbing such as paper, and when the contents are in contact with the sewing portion, the contents are rapidly wetted.

  Further, in the device of Patent Document 1, even if the bag provided in the bag is waterproof, the bag itself is not waterproof, and cannot contribute to waterproofing of the bag itself. That is, even if it is stored in a bag, it cannot be waterproofed unless it is stored in a bag provided in the bag. Also, in the invention of Patent Document 2, the bag itself is not waterproofed. In particular, both the device of Patent Document 1 and the invention of Patent Document 2 are manufactured from the needle holes in the sewing when the bag is manufactured by sewing. It does not solve the problem of flooding.

  Therefore, the present invention provides a kite that can prevent the ingress of water such as rainwater, and in particular, a kite that can prevent water from being sewn from the sewn portion of the connecting portion of the fabric in the kite, and a method for manufacturing the kite. It is intended.

The present invention has been created to solve the above problems. First, the first sheet-like member and the second sheet-like member, which are ridges and are sheet-like members constituting the ridges. In the connection portion, an intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, and the material of the first sheet-like member, the material of the intermediate member, The second sheet-like member is made of the same material . In the bag having the first configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

Secondly, in the connecting portion between the first sheet-like member and the second sheet-like member, which is a ridge and is a sheet-like member constituting the ridge, the first sheet-like member and the second sheet-like member An intermediate member having thermoplasticity is provided at a position therebetween, and the first sheet-like member is formed in a state where a plurality of sheet-like members are stacked, and the second sheet-like member is a plurality of sheet-like members. The sheet is formed in a state where the members are overlapped, and the material of the sheet-like member in contact with the intermediate member in the first sheet-like member, the material of the intermediate member, and the sheet in contact with the intermediate member in the second sheet-like member The material of the shaped member is the same. In the bag having the first configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

Further, in the third, in the first or second configuration, the intermediate member is integrally with thread member in a stacked state and the first sheet-like member and the intermediate member and the second sheet-like member After the sewing, the laminated portion of the first sheet-like member, the intermediate member, and the second sheet-like member is formed by heat-pressing. That is, it is cured after at least a part of the intermediate member is melted by hot pressing. Thereby, it can be set as the state which the 1st sheet-like member and the 2nd sheet-like member adhered to the intermediate member, and further, since the intermediate member will be once melted and then cured when heated during the thermal pressurization. The intermediate member enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole to close the gap, thereby improving the waterproof property.

Fourth , the connecting portion between the first sheet-like member and the second sheet-like member, which is a ridge and is a sheet-like member constituting the ridge, is a belt-like intermediate member having thermoplasticity, One surface of the end region, which is a region of a predetermined width at the end of the first sheet-like member, is bonded to one surface of the intermediate member, and the second sheet-like member is attached to the other surface of the intermediate member An intermediate member to which one surface of the end region, which is a region having a predetermined width, is bonded, an end region of the first sheet-like member, an end of the intermediate member, and the second sheet-like member and an area in the sewing portion formed by sewing together a thread member, possess a sewing portion made of a yarn member, and a material of the first sheet-like member, and the material of the intermediate member, the first The two sheet-like members are made of the same material . In the fourth configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. Moreover, since this sewing part is provided, the connection state of a 1st sheet-like member, an intermediate member, and a 2nd sheet-like member can be strengthened. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

Fifthly, the connecting portion between the first sheet-like member and the second sheet-like member, which is a ridge and is a sheet-like member constituting the ridge, is a belt-like intermediate member having thermoplasticity, One surface of the end region, which is a region of a predetermined width at the end of the first sheet-like member, is bonded to one surface of the intermediate member, and the second sheet-like member is attached to the other surface of the intermediate member An intermediate member to which one surface of the end region, which is a region having a predetermined width, is bonded, an end region of the first sheet-like member, an end of the intermediate member, and the second sheet-like member A sewing part formed by integrally sewing the region with a thread member, and a sewing part made of the thread member, wherein the first sheet-like member is formed in a state where a plurality of sheet-like members are stacked. And the second sheet-like member is formed in a state where a plurality of sheet-like members are stacked. The material of the sheet-like member in contact with the intermediate member in the first sheet-like member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. It is characterized by being. In the scissors of the fifth configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. Moreover, since this sewing part is provided, the connection state of a 1st sheet-like member, an intermediate member, and a 2nd sheet-like member can be strengthened. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

Further, the sixth, in the configuration of the fourth or fifth, the intermediate member, stacking the end region of the end region and the intermediate member and the second sheet-like member of the first sheet-like member In this state, the laminated portion composed of the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member is heated after integrally sewing with the thread member to form the sewing portion. It is formed by pressurizing. That is, it is cured after at least a part of the intermediate member is melted by hot pressing.

  Therefore, the first sheet-like member and the second sheet-like member can be in a state of being bonded to the intermediate member, and further, the intermediate member is once melted and then cured when heated during the heat and pressure, The intermediate member can also enter the gap between the needle hole at the sewing location and the thread member inserted through the needle hole to close the gap, thereby further improving waterproofness.

Moreover, the seventh, a bag, connection portions of the first sheet-like member and the second sheet-like member is a sheet-like member constituting the bag is in strip-shaped intermediate member having a thermoplastic, the One surface of the end region, which is a region of a predetermined width at the end of the first sheet-like member, is bonded to one surface of the intermediate member, and the second sheet-like member is attached to the other surface of the intermediate member An intermediate member to which one surface of the end region, which is a region of a predetermined width of the end portion, is bonded, an end region of the first sheet-like member, an end portion of the intermediate member, and the second sheet-like member possess a covering member covering the laminating section composed of regions, the characteristic and the material of the first sheet-like member, and the material of the intermediate member, the material of the second sheet-like member are both the same And In the seventh configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. Further, the connecting member can reinforce the connecting portion between the first sheet-like member and the second sheet-like member, and in particular, the connection state between the first sheet-like member and the second sheet-like member can be made stronger. it can. Further, by covering with this covering member, the appearance of the ridge can be improved when the laminated portion is outside the ridge. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

Eighth, the connecting portion between the first sheet-like member and the second sheet-like member, which is a ridge and is a sheet-like member constituting the ridge, is a belt-like intermediate member having thermoplasticity, One surface of the end region, which is a region of a predetermined width at the end of the first sheet-like member, is bonded to one surface of the intermediate member, and the second sheet-like member is attached to the other surface of the intermediate member An intermediate member to which one surface of the end region, which is a region of a predetermined width of the end portion, is bonded, an end region of the first sheet-like member, an end portion of the intermediate member, and the second sheet-like member A covering member that covers a laminated portion composed of regions, wherein the first sheet-like member is formed in a state where a plurality of sheet-like members are stacked, and the second sheet-like member is a plurality of sheet-like members. It is formed in a state where the members are stacked, and is intermediate in the first sheet-like member And the material of the sheet-like member in contact with the wood, and the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member, characterized in that it is both the same. In the bag of the eighth configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. Further, the connecting member can reinforce the connecting portion between the first sheet-like member and the second sheet-like member, and in particular, the connection state between the first sheet-like member and the second sheet-like member can be made stronger. it can. Further, by covering with this covering member, the appearance of the ridge can be improved when the laminated portion is outside the ridge. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

In the seventh and eighth configurations, the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member are integrally sewn with a thread member. It is preferable that a sewing portion made of the thread member is provided in the sewing portion. Further, in the seventh and eighth configurations, a second sewing portion formed by sewing the covering member and the laminated portion together with the thread member, and the second sewing portion made of the thread member is provided. It is preferable to make it.

Ninth, in the seventh or eighth configuration, the intermediate member and the covering member include an end region of the first sheet-like member, an end portion of the intermediate member, and the second sheet-like member. In a state where the covering member is coated on the laminated portion formed by laminating the region, the laminated portion and the covering member are sewn together with a thread member, and then the covering member and the laminated portion are heat-pressed to form an intermediate member It is formed by curing after dissolving. That is, it is cured after at least a part of the intermediate member is melted by hot pressing. Therefore, the intermediate member can enter the gap between the needle hole through which the thread member is inserted and the thread member to close the gap, thereby further improving waterproofness.

  The ninth configuration may be as follows. That is, “the connecting portion in the heel is formed by integrally sewing a laminated portion composed of the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member with a thread member. A sewn part made of the thread member, a second sewn part formed by integrally sewing the covering member and the laminated part with the thread member, and a second sewn part made of the thread member. The heel is formed by forming the second sewing portion after forming the sewing portion, and then curing the intermediate member by dissolving the intermediate member by heat-pressing the connecting portion. It may be characterized by being.

Further, the tenth, a bag, a first sheet-like member and the second sheet-like member is a sheet-like member constituting the bag are both be formed in a state in which a plurality of stacked sheet-like member The connecting portion of the first sheet-like member and the second sheet-like member is a belt-like intermediate member having thermoplasticity, and a predetermined width of the end portion of the first sheet-like member is provided on one surface of the intermediate member. One surface in the end region that is the region of the second sheet is bonded, and one surface in the end region that is a predetermined width region of the end of the second sheet-like member is bonded to the other surface of the intermediate member An intermediate member, an end region of the first sheet-like member, a covering member that covers a laminated portion including the end region of the intermediate member and the second sheet-like member, and the first sheet-like member The end region, the intermediate member, and the end region of the second sheet-like member are integrated with a thread member. In a sewing part formed by sewing, a sewing part made of the thread member, an end part region of the covering member, the first sheet-like member, an intermediate member, and an end part region of the second sheet-like member A second sewing part formed by sewing together with a thread member, and a second sewing part made of the thread member, and a material of the sheet-like member in contact with the intermediate member in the first sheet-like member; The material of the intermediate member and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same.

In the bag having the tenth configuration, since the intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member, the first sheet-like member, the intermediate member, and the second The first sheet-like member and the second sheet can be brought into a state in which the first sheet-like member and the second sheet-like member are bonded to the intermediate member by being heat-pressed in a state where the sheet-like member is laminated. The waterproofness of the connection part of a shape member can be improved. Moreover, since this sewing part is provided, the connection state of a 1st sheet-like member, an intermediate member, and a 2nd sheet-like member can be strengthened. Further, the connecting member can reinforce the connecting portion between the first sheet-like member and the second sheet-like member, and in particular, the connection state between the first sheet-like member and the second sheet-like member can be made stronger. it can. Further, by covering with this covering member, the appearance of the ridge can be improved when the laminated portion is outside the ridge. Moreover, since the 2nd sewing part is provided, a coating | coated member can be provided more firmly. Furthermore, the material of the sheet-like member in contact with the intermediate member in the first sheet-like member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. Therefore, since the members of the same material are melted and then cured and integrated by applying heat and pressure at the time of manufacture, the intermediate member and the first sheet-like member can be bonded or the intermediate member and the second sheet. The adhesion of the shaped member can be strengthened.

  In addition, in the above, as a material in the case of making the material the same, vinyl chloride is mentioned, for example.

In the tenth configuration, it is preferable that the second sewing portion is provided on the end side of the sewing portion. Similarly, in the tenth configuration, the heel is formed by forming the second sewn portion after forming the sewn portion, and then curing the intermediate member by dissolving the intermediate member by heat-pressing the connecting portion. It is preferable that it is what was made.

In addition, in the first to tenth configurations described above, a ridge is used. However, the present invention is not limited to the ridge, but “an article formed by connecting sheet-like members” and “an article having a member formed by connecting sheet-like members”. It is good.

Moreover, 11th is a manufacturing method of a cage | basket, Comprising: It has the connection process which connects the 1st sheet-like member which is a sheet-like member which comprises a cage | basket, and a 2nd sheet-like member, and this connection process includes The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. possess a sewing process, a heat pressing step of hot-pressing pressure, including the sewing portion formed by sewing made step the laminated portion of the first sheet-like member and the intermediate member and the second sheet-like member, the first The material of the one sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . According to the manufacturing method of the eleventh configuration, it is possible to cure after melting at least a part of the intermediate member by applying heat and pressure, so that the first sheet-shaped member and the second sheet-shaped member are The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In addition, the twelfth method is a method for manufacturing a bag, and includes a connection step of connecting a first sheet-like member and a second sheet-like member, which are sheet-like members constituting the bag, and the connection step includes: The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. And a heat pressurizing step for heat-pressing the laminated portion of the first sheet-like member, the intermediate member, and the second sheet-like member including the sewing portion formed in the sewing step. One sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and is intermediate in the first sheet-like member. The material of the sheet-like member in contact with the member and the material of the intermediate member A material of the sheet-like member in contact with the intermediate member in the second sheet-like member, characterized in that the both the same. According to the manufacturing method of the twelfth configuration, since at least a part of the intermediate member can be melted by hot pressing, the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

The thirteenth aspect is a method for manufacturing a bag, and includes a connecting step of connecting a first sheet-like member and a second sheet-like member, which are sheet-like members constituting the bag, and the connecting step includes: A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. A sewing process in which the first sheet-like member, the intermediate member, and the second sheet-like member are integrally sewn with a thread member in a state where the intermediate member is sandwiched; an end region of the first sheet-like member; a heat pressing step of hot-pressing pressure, including the sewing position the stacked portion comprising the end region is formed by sewing made process of the second sheet-like member, was perforated, the material of the first sheet-like member The material of the intermediate member and the material of the second sheet-like member are both the same . According to the manufacturing method of the thirteenth configuration, since at least a part of the intermediate member can be melted by hot pressing, the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In addition, the fourteenth aspect is a method for manufacturing a ridge, which includes a connection step of connecting a first sheet-like member and a second sheet-like member, which are sheet-like members constituting the ridge, and the connection step includes: A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. A sewing process in which the first sheet-like member, the intermediate member, and the second sheet-like member are integrally sewn with a thread member in a state where the intermediate member is sandwiched; an end region of the first sheet-like member; A heat pressurizing step that heat-presses the laminated portion including the end region of the second sheet-like member including the sewing portion formed in the sewing step, and the first sheet-like member has a plurality of The sheet-like member is formed in a stacked state, and the second sheet-like member includes a plurality of sheet-like members. The material of the sheet-like member that is formed in a state of being in contact with the intermediate member in the first sheet-like member, the material of the intermediate member, and the material of the sheet-like member that is in contact with the intermediate member in the second sheet-like member. Both are the same. According to the manufacturing method of the fourteenth configuration, at least a part of the intermediate member can be melted by being hot-pressed and cured, so that the first sheet-like member and the second sheet-like member are The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In addition, the fifteenth aspect is a method for manufacturing a ridge, which includes a connection step of connecting a first sheet-like member and a second sheet-like member, which are sheet-like members constituting the ridge, and the connection step includes: A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, and a covering member possess a covering member forming step of stitching together, and the heat pressing step of hot-pressing pressure, including the sewing portion which is formed a said covering member and the laminate part sewing made step, the yarn member, The material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member Characterized in that it are both the same. According to the manufacturing method of the fifteenth configuration, since at least a part of the intermediate member can be melted by applying heat and pressure, the intermediate member can be cured, so that the first sheet-like member and the second sheet-like member are The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In addition, the sixteenth aspect is a method for manufacturing a ridge, which includes a connection step of connecting a first sheet-like member and a second sheet-like member, which are sheet-like members constituting the ridge, and the connection step includes: A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, A covering member forming step in which the covering member and the thread member are integrally sewn, and a heat pressing step in which the covering member and the laminated portion are heat-pressed including the sewing portion formed in the sewing step, The first sheet-like member is formed in a state where a plurality of sheet-like members are stacked, and Two sheet-like members are formed in a state where a plurality of sheet-like members are stacked, and in the first sheet-like member, the material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the second sheet-like member The material of the sheet-like member in contact with the intermediate member is the same. According to the manufacturing method of the sixteenth configuration, at least a part of the intermediate member can be cured after being hot-pressed, so that the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

Seventeenth is a method for manufacturing a connecting portion of a sheet-like member, which manufactures a connecting portion between the first sheet-like member and the second sheet-like member, wherein the first sheet-like member, the second sheet-like member, A sewing step in which the first sheet-like member, the intermediate member, and the second sheet-like member are sewn together with a thread member in a state in which the intermediate member having thermoplasticity is sandwiched between them, and the first sheet-like member and the intermediate possess the member and the heat pressing step of hot-pressing pressure to the stacked portion of the second sheet-like member including a sewing portion formed by sewing made step, and a material of the first sheet-like member, the intermediate member The material and the material of the second sheet-like member are both the same . According to the manufacturing method of the seventeenth configuration, at least a part of the intermediate member can be cured after being hot-pressed, and thus, the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In the eighteenth aspect, there is provided a method for manufacturing a connection portion between a first sheet-like member and a second sheet-like member, wherein the first sheet-like member and the second sheet-like member are manufactured. A sewing step in which the first sheet-like member, the intermediate member, and the second sheet-like member are sewn together with a thread member in a state in which the intermediate member having thermoplasticity is sandwiched between them, and the first sheet-like member and the intermediate A heat pressurizing step for heat-pressing the laminated portion of the member and the second sheet-like member including the sewing portion formed in the sewing step, and the first sheet-like member overlaps the plurality of sheet-like members. The second sheet-like member is formed in a state where a plurality of sheet-like members are stacked, and the material of the sheet-like member that contacts the intermediate member in the first sheet-like member, and the intermediate Material of member and intermediate member in second sheet-like member A material of the sheet-like member in contact, characterized in that the both the same. According to the manufacturing method of the eighteenth configuration, it is possible to cure after melting at least a part of the intermediate member by applying heat and pressure, so that the first sheet-like member and the second sheet-like member are The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

Nineteenth is a method for manufacturing a connecting portion of a sheet-like member, which manufactures a connecting portion between the first sheet-like member and the second sheet-like member, and has a predetermined width at the end of the first sheet-like member. The first sheet in a state in which a band-shaped intermediate member having thermoplasticity is sandwiched between an end region that is a region and an end region that is a region having a predetermined width at the end of the second sheet-like member A covering member that integrally sews the laminated portion and the covering member with a thread member in a state where the laminated portion composed of the sheet-like member, the intermediate member, and the second sheet-like member is covered with the covering member for covering the laminated portion and forming step, including the covering member and the sewing portion of the laminated portion is formed by sewing made step possess heat pressing step of hot-pressing pressure, and a material of the first sheet-like member, the intermediate and the material of the member, and a material of the second sheet-like member, characterized in that the same for both According to the manufacturing method of the nineteenth configuration, at least a part of the intermediate member can be cured after being hot-pressed, so that the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

In addition, 20th is a method for manufacturing a connecting portion of a sheet-like member, which manufactures a connecting portion between the first sheet-like member and the second sheet-like member, and has a predetermined width at the end of the first sheet-like member. The first sheet in a state in which a band-shaped intermediate member having thermoplasticity is sandwiched between an end region that is a region and an end region that is a region having a predetermined width at the end of the second sheet-like member A covering member that integrally sews the laminated portion and the covering member with a thread member in a state where the laminated portion composed of the sheet-like member, the intermediate member, and the second sheet-like member is covered with the covering member for covering the laminated portion A heat-pressing step of heat-pressing the covering member and the laminated portion including the sewing portion formed in the sewing step, wherein the first sheet-like member includes a plurality of sheet-like members. And the second sheet-like member has a plurality of sheet-like portions. The material of the sheet-like member that is in contact with the intermediate member in the first sheet-like member, the material of the intermediate member, and the material of the sheet-like member that is in contact with the intermediate member in the second sheet-like member Are both the same. According to the manufacturing method of the twentieth configuration, since at least a part of the intermediate member can be melted by hot pressing, the first sheet-like member and the second sheet-like member can be cured. The intermediate member can be in a state of being bonded to the intermediate member, and further, the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole, thereby closing the gap and waterproofing. Can be further improved. In addition, since the members of the same material can be melted and integrated during the heat pressing, the intermediate member and the first sheet-like member can be bonded together, or the intermediate member and the second sheet-like member can be bonded together. Can be strengthened.

  In addition, in the above, as a material in the case of making the material the same, vinyl chloride is mentioned, for example.

Moreover, in the said manufacturing method of a ridge, a ridge, and the manufacturing method of the connection part of a sheet-like member, when making the material of the member which touches an intermediate member and an intermediate member the same, melting | fusing point of an intermediate member of the member which contacts an intermediate member You may make it lower than melting | fusing point.

According to the manufacturing method of the bag and bag based on this invention, and the manufacturing method of the connection part of a sheet-like member, the intermediate member which has thermoplasticity in the position between a 1st sheet-like member and a 2nd sheet-like member is provided. Therefore, by heat-pressing the intermediate member at the time of manufacturing the bag, the first sheet-like member and the second sheet-like member can be bonded to the intermediate member, and the first sheet-like member and the second sheet-like member The waterproofness of the connecting portion can be improved, and the intermediate member also enters the gap between the needle hole at the sewing location and the thread member inserted through the needle hole to close the gap, thereby improving the waterproofness. It can be improved further. In addition, by applying heat and pressure during manufacturing, the same material member can be melted and then cured and integrated, so that the intermediate member and the first sheet-like member can be bonded together or the intermediate member and the second sheet-like member can be integrated. Adhesion can be strengthened.

  In the bag of the present invention and the manufacturing method thereof, the object of preventing the entry of water such as rain water, and in particular, preventing the inundation from the sewing portion of the bag is realized as follows.

  The bag A according to the embodiment of the present invention is configured as shown in FIGS. 1 and 2, and has a bag main body portion 5 and handle portions 40 and 42.

  Here, the bag main body portion 5 includes a side surface portion 10, a side surface portion 12, a bottom surface portion 20, a side surface portion 22, a side surface portion 24, an upper surface portion 30, and an upper surface portion 32.

  The side surface portion 10 constitutes a side surface in the longitudinal direction of the bag main body portion 5 and has a substantially rectangular sheet shape. Further, the side surface portion 12 is provided substantially parallel to the side surface portion 10, and forms a side surface on the long side of the heel body portion 5 in the same manner as the side surface portion 10, and has a substantially rectangular sheet shape.

  Further, the bottom surface portion 20 constitutes the bottom surface of the heel body portion 5 and has a substantially rectangular sheet shape, and the side surface portion 22 and the side surface portion 24 constitute the side surface of the heel body portion 5 in the short direction. However, both have the same width as the bottom surface portion 20 and have a substantially rectangular shape. The bottom surface portion 20, the side surface portion 22, and the side surface portion 24 constitute a side bottom surface portion 26, and the side bottom surface portion 26 is formed by one sheet-like member. Further, the upper surface portion 30 and the upper surface portion 32 constitute the upper surface of the bag main body portion 5. Note that the fabric (sheet-like member) constituting the side surface portion 10, the side surface portion 12, the bottom surface portion 20, the side surface portion 22, the side surface portion 24, the upper surface portion 30, and the upper surface portion 32 is a waterproof material. It is formed by.

  Further, the handle portion 40 is provided on the side surface portion 10, and the handle portion 42 is provided on the side surface portion 12.

  Here, in the heel body 5, different members are assembled by sewing. For example, the side surface portion 10 and the side bottom surface portion 26, the side surface portion 12 and the side bottom surface portion 26, the side bottom surface portion 26 and the top surface portion 30 (that is, the side surface portion 22 and the top surface portion 30, the side surface portion 24 and the top surface portion 30). The side bottom surface portion 26 and the top surface portion 32 (that is, the side surface portion 22 and the top surface portion 32, the side surface portion 24 and the top surface portion 32), the side surface portion 10 and the top surface portion 30, and the side surface portion 12 and the top surface portion 32 are Connected by sewing.

  Then, a connection portion between the side surface portion 10 and the side bottom surface portion 26, a connection portion between the side surface portion 12 and the side bottom surface portion 26, a connection portion between the side surface portion 10 and the upper surface portion 30, or the side surface portion 12 and the upper surface portion 32. The connecting portion between them is provided with a covering member 50, an intermediate member 60, and sewing portions 70, 72, thereby forming a waterproofed connecting portion. One of the connection objects in these connection portions hits the first sheet-like member, and the other hits the second sheet-like member. For example, in the connection portion between the side surface portion 10 and the side bottom surface portion 26, one of the side surface portion 10 and the side bottom surface portion 26 hits the first sheet-like member, and the other hits the second sheet-like member.

  The connection portion that is waterproofed by the covering member 50, the intermediate member 60, and the sewing portions 70 and 72 will be described in more detail as follows. In the following description, the case of the connection portion S between the side surface portion 10 and the side bottom surface portion 26 will be described as an example.

  In the connection portion S between the side surface portion 10 and the side bottom surface portion 26, an end portion (end region) 10a having a predetermined width of the side surface portion 10 and an end portion (end region) 26a having a predetermined width of the side surface portion 26 are provided. Are arranged in parallel, and an intermediate member 60 is provided between the end 10a and the end 26a. That is, the end portion 10 a, the intermediate member 60, and the end portion 26 a are in a stacked state, and the end portion 10 a is bonded to one surface of the intermediate member 60. An end portion 26 a is bonded to the surface, and the intermediate member 60 is formed along the connection portion S between the side surface portion 10 and the side bottom surface portion 26. The intermediate member 60 is a sheet-like member having a substantially band shape, and is formed of a thermoplastic material (for example, vinyl chloride) that is softened by heating and hardened when cooled. Further, it can be said that the intermediate member 60 is made of a waterproof material in a cured state. Further, the intermediate member 60 is formed of a material having flexibility even in a cured state.

  Further, as the material of the dough and the intermediate member 60 constituting each surface portion of the bag main body 5, the dough and the intermediate member 60 when the intermediate member 60 is temporarily melted (may be melted or otherwise) and then cured. It should be made of a material that can be bonded to each other.

  As will be described in the following manufacturing method, the end portion 10a, the intermediate member 60, and the end portion 26a are stacked, and heat pressurization is performed in a state where the sewing portion 70 is provided. A gap between a needle hole through which a sewing thread (thread member) constituting the sewing part 70 is inserted and the sewing thread, a needle hole through which a sewing thread constituting the sewing part 70 is inserted at the end 26a, and the sewing thread The intermediate member 60 has entered the gap between the two. That is, the gap between the needle hole and the sewing thread is closed by the intermediate member 60.

  Furthermore, the covering member 50 is provided so as to cover the laminated portion including the end portion 10a, the intermediate member 60, and the end portion 26a. That is, the covering member 50 is provided in a substantially U-shaped cross section so as to cover the surface of the end portion 10a, the end portion 10a, the intermediate member 60, the tip end portion of the end portion 26a, and the surface of the end portion 26a. The covering member 50 is also formed along the connecting portion between the side surface portion 10 and the side bottom surface portion 26. The covering member 50 is a sheet-like member having a strip shape, and is formed of a flexible material. The covering member 50 is preferably made of a waterproof material. In that sense, the material of the covering member 50 may be synthetic rubber or the like. The covering member 50 is provided to reinforce the connection portion S to make the connection of the fabric to be connected stronger and to improve the appearance when it is made into a heel.

  Further, in the connecting portion S composed of the end portion 10a, the intermediate member 60, the end portion 26a, and the covering member 50, a sewing portion 70 made of a sewing thread and a sewing portion 72 made of a sewing thread are provided. ing. That is, the sewing portion 70 is provided by sewing with the sewing thread (thread member) in a state where the end portion 10a, the intermediate member 60, and the end portion 26a are stacked, and the end portion 10a, the intermediate member 60, and the end portion 26a. A sewing portion 72 (second sewing portion) is provided by sewing with a sewing thread in a state where the laminated portion is covered with a covering member. The sewing portion 72 is provided on the distal end side of the connection portion S as compared with the sewing portion 70.

  In addition, as for the part where the connection part of the side part 10 and the side bottom face part 26 is curving, naturally the intermediate member 60 and the covering member 50 are also curved and formed. In this case, if the intermediate member 60 and the covering member 50 are formed of a flexible material, it is possible to form the curved connection portion even in a curved manner.

  In the above description, the connection portion between the side surface portion 10 and the side bottom surface portion 26 has been described as an example. However, the connection portion between the side surface portion 12 and the side bottom surface portion 26 or between the side surface portion 10 and the top surface portion 30 is described. The connecting portion between the side surface portion 12 and the upper surface portion 32 is similarly configured. That is, as shown in FIG. 2, the intermediate member 60, the covering member 50, and the sewing portions 70 and 72 are waterproofed and connected.

  Further, the connecting portion between the side bottom surface portion 26 and the top surface portion 30 (that is, the connecting portion between the side surface portion 22 and the top surface portion 30 and the connecting portion between the side surface portion 24 and the top surface portion 30), the side bottom surface portion 26 and the top surface portion 32 The connection portions (that is, the connection portion between the side surface portion 22 and the upper surface portion 32 and the connection portion between the side surface portion 24 and the upper surface portion 32) are connected by sewing. In addition, about these sewing locations, in order to improve waterproofness, the tape 80 (refer FIG. 1) formed with the material which has waterproofness is affixed on the back surface. That is, the tape 80 is stuck so as to cover the sewing thread in the connecting portion. In FIG. 1, only the tape 80 provided at the connection portion between the side bottom surface portion 26 and the upper surface portions 30 and 32 on the side surface portion 22 side is shown, but the tape is also applied to the connection portion on the side surface portion 24 side. ing. Examples of the waterproof material constituting the tape 80 include vinyl chloride, a polyurethane material, a vinyl acetate material, and a polyethylene material.

  In addition, in the connection part between the side bottom face part 26 and the upper surface part 30, and the connection part between the side bottom face part 26 and the upper surface part 32, the intermediate member 60 and the covering member 50 are used as described above. Also good.

  Further, the handle portion 40 is attached to the side surface portion 10 and the handle portion 42 is attached to the side surface portion 12, but each handle portion is attached by sewing. It is affixed. The tape in this case is also formed of a waterproof material as described above.

  Next, a method for manufacturing the bag A having the above configuration will be described with reference to FIG. First, each part constituting the bag A is created. In particular, with respect to the bag main body 5, the dough is cut to create the dough for the side surface portion 10, the side surface portion 12, the side bottom surface portion 26, the top surface portion 30, and the top surface portion 32.

  Each fabric is sewn and assembled into a bag shape. The connection portion between the side surface portion 10 and the side bottom surface portion 26, the connection portion between the side surface portion 12 and the side bottom surface portion 26, the side surface portion 10 and the top surface. The connection part of the part 30 and the connection part of the side surface part 12 and the upper surface part 32 are assumed to be a connection part subjected to waterproofing as shown in FIG.

  That is, the connecting portion between the side surface portion 10 and the side bottom surface portion 26 will be described as an example with reference to FIG. 3. First, the end portion 10 a of the side surface portion 10, the intermediate member 60, and the end portion of the side bottom surface portion 26. 26a is laminated to obtain a state as indicated by W1. That is, the intermediate member 60 is stacked on the upper surface of the end portion 26 a of the side bottom surface portion 26 (that is, the belt-shaped intermediate member 60 is stacked along the end portion 26 a), and the side surface portion 10 is formed on the intermediate member 60. The end portions 10a are stacked. At that time, the end of the end portion 26a (that is, the end in the X1-X2 direction), the end of the intermediate member 60 (that is, the end in the X1-X2 direction), and the end of the end portion 10a (that is, the end in the X1-X2 direction). Make sure that

  Then, the end portion 26a and the intermediate member are formed along the forming direction (Y1-Y2 direction) of the end portions 26a and 10a (that is, along the end portions 10a and 26a and the end portion of the intermediate member 60 in the X1-X2 direction). 60 and the end portion 10a are sewn with a sewing thread (thread member) to form a sewing portion 70 (sewing step). That is, as shown by W2, the end portion 26a, the intermediate member 60, and the end portion 10a are sewn and integrated. At this time, the sewing portion 70 is formed along the forming direction of the end portion 10 a, the end portion 26 a, and the intermediate member 60. The formation position of the sewing portion 70 is preferably slightly inside (that is, the X2 side) than the intermediate position of the intermediate member 60 in the X1-X2 direction.

  And it heat-presses as the position of the edge part 10a is shown to W3 (thermal-pressing process). That is, a portion (laminated portion) where the end portion 10a, the intermediate member 60, and the end portion 26a are stacked is pressurized and heated. The heating temperature is a temperature at which the intermediate member 60 is once melted, and the pressurizing pressure is that the end 10a and the intermediate member 60, and the end 26a and the intermediate member 60 are firmly bonded, The intermediate member enters the gap between the needle hole formed in the end portion 10a or the end portion 26a and the sewing thread at the needle hole through which the sewing thread constituting the sewing portion 70 is inserted by melting the intermediate member 60. It shall be of the order. In this way, since the intermediate member 60 is once melted and cured, it enters into the gap between the fibers of the fabric constituting the side surface portion 10 and the side bottom surface portion 26, and the end portion 10a and the intermediate member 60 are firmly bonded, Also, the end portion 26a and the intermediate member 60 are firmly bonded. Further, the intermediate member enters the gap between the needle hole and the sewing thread at the end portion 10a or the end portion 26a, and the gap is closed.

  And the laminated part which consists of the edge part 10a, the intermediate member 60, and the edge part 26a is coat | covered with the coating | coated member 50 which exhibits strip | belt shape, and this coating | coated member 50, the edge part 10a, the intermediate member 60, and the edge part 26a are sewn. The sewing part 72 is configured by sewing with (thread member) (coating member forming step). That is, it is configured as shown by W4 in FIG. The sewing portion 72 is formed in parallel with the sewing portion 70. That is, it forms along the formation direction of the edge part 10a, the edge part 26a, and the intermediate member 60. FIG. The formation position of the sewing portion 72 is set to the end side (that is, the X1 side) from the sewing portion 70.

  In the above description, the connection portion between the side surface portion 10 and the side bottom surface portion 26 has been described as an example. However, the connection portion between the side surface portion 12 and the side bottom surface portion 26, the side surface portion 10 and the top surface portion 30 can be connected. The connection portion and the connection portion between the side surface portion 12 and the upper surface portion 32 are formed in the same manner. The process shown in FIG. 3 corresponds to the above-described “connecting process of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the ridge”.

  In the above, by making the material of the sheet-like member in contact with both surfaces of the intermediate member 60 the same as the material of the intermediate member 60, the adhesion with the intermediate member 60 can be further strengthened.

  In addition, about the connection part between the side bottom face part 26 and the upper surface parts 30 and 32, it connects by sewing, Then, a tape is affixed from a back surface and waterproofing is performed. Moreover, about the connection part with which it is difficult to perform waterproofing by the method shown in FIG. 3 in the connection part of two fabrics, waterproofing is performed by sticking a waterproof tape from the back surface. Furthermore, a tape that covers the sewing location and the caulking hole is pasted not only on the connecting portion between the fabrics but also on the sewing location and the caulking hole (for example, caulking hole for attaching a metal fitting or the like).

  In addition, as a method of sticking the tape, a method using an adhesive, a method using thermocompression bonding (for example, a method in which an adhesive layer is provided on the tape, and the adhesive layer is melted and bonded by heat), or a method using high frequency pressure bonding is used. A method (that is, a method in which pressure is applied while being dissolved by high frequency). Furthermore, the handle parts 40 and 42 and the chuck part 90 are attached to manufacture the bag A.

  In the bag A of the present embodiment, the intermediate member 60 is provided in the waterproofed connection portion, and the intermediate member 60 is firmly bonded to the laminated fabric and bonded to the intermediate member 60. Since it is in a state of entering the gap between the needle hole of the fabric and the sewing thread, this connection portion is completely prevented, and there is no possibility that water will enter the bag from this connection portion. In other words, since at least a part of the intermediate member is once melted and cured by applying heat and pressure, the intermediate member enters the gap between the fibers constituting the fabric and adheres sufficiently to the fabric, and also adheres to the intermediate member 60. Since the gap between the needle hole of the formed fabric and the sewing thread is closed, the gap does not cause flooding. Since the sewing portion 72 is formed, there is a gap between the needle hole through which the sewing thread constituting the sewing portion 72 is inserted and the sewing thread, but the sewing portion 70 is located inside the sewing portion 72. Since the intermediate member is formed and waterproofed in the gap between the needle hole and the sewing thread at the portion of the sewing portion 70, waterproofing is not affected. Further, in the bag A according to the present embodiment, the intermediate member 60 is waterproofed, so that the waterproofing can be surely achieved by applying a tape, and the connecting portion can be secured. Since it can respond also to the case where it is curving (for example, the corner | angular part etc. of the bag main-body part 5), reliable waterproofing can be aimed at.

  Further, for the portion that cannot be waterproofed by providing the intermediate member 60, water can be prevented from entering the inside by sticking a tape, so that the waterproofing is extremely improved. can do.

  In the above manufacturing process, the covering member 50 has been described as being provided by sewing. However, after the covering member 50 has been provided by sewing, the region of the covering member 50 is further heated and pressed, so that the intermediate member 60 is provided. It may be cured after being dissolved again. This heat pressurizing step corresponds to the second heat pressurizing step. Then, since the intermediate member also enters the gap between the needle hole and the sewing thread in the sewing portion 72, the gap is also closed by the intermediate member, so that the waterproof property can be further improved.

  In the manufacturing process shown in FIG. 3, the end portion 10 a, the intermediate member 60, and the end portion 26 a have been described as being hot-pressed after sewing and then a covering member is provided, but the end portion 10 a, the intermediate member 60, and the end portion 26 a are provided. After the sewing, the covering member may be sewn, and then the end region may be hot-pressed. That is, in the manufacturing process shown in FIG. 3, the order of the hot pressing process and the sewing of the covering member are reversed.

  The manufacturing process in that case will be described with reference to FIG. First, the end portion 10a of the side surface portion 10, the intermediate member 60, and the end portion 26a of the side bottom surface portion 26 are laminated so as to be in a state indicated by W1. That is, the intermediate member 60 is stacked on the upper surface of the end portion 26 a of the side bottom surface portion 26 (that is, the belt-shaped intermediate member 60 is stacked along the end portion 26 a), and the side surface portion 10 is formed on the intermediate member 60. The end portions 10a are stacked. At that time, the end of the end portion 26a (that is, the end in the X1-X2 direction), the end of the intermediate member 60 (that is, the end in the X1-X2 direction), and the end of the end portion 10a (that is, the end in the X1-X2 direction). Make sure that

  Then, the end portion 26a and the intermediate member are formed along the forming direction (Y1-Y2 direction) of the end portions 26a and 10a (that is, along the end portions 10a and 26a and the end portion of the intermediate member 60 in the X1-X2 direction). 60 and the end portion 10a are sewn with a sewing thread to form a sewing portion 70 (sewing step). That is, as shown by W2, the end portion 26a, the intermediate member 60, and the end portion 10a are sewn and integrated. At this time, the sewing portion 70 is formed along the forming direction of the end portion 10 a, the end portion 26 a, and the intermediate member 60.

  And the laminated part which consists of the edge part 10a, the intermediate member 60, and the edge part 26a is coat | covered with the coating | coated member 50 which exhibits strip | belt shape, and this coating | coated member 50, the edge part 10a, the intermediate member 60, and the edge part 26a are sewn. The sewn portion 72 is formed by sewing (covering member forming step). That is, it is configured as shown by W3 in FIG. The sewing portion 72 is formed in parallel with the sewing portion 70. That is, it forms along the formation direction of the edge part 10a, the edge part 26a, and the intermediate member 60. FIG.

  And it heat-presses as the position of the edge part 10a shows to W4 (thermal-pressing process). That is, a portion (laminated portion) where the end portion 10a, the intermediate member 60, and the end portion 26a are stacked is pressurized and heated. The heating temperature is a temperature at which the intermediate member 60 is once melted, and the pressurizing pressure is that the end 10a and the intermediate member 60, and the end 26a and the intermediate member 60 are firmly bonded, The intermediate member 60 is melted and the needle hole through which the sewing thread constituting the sewing part 70 or the sewing part 72 is inserted is inserted in the gap between the needle hole formed in the end part 10a or the end part 26a and the sewing thread. It is assumed that the member is invaded. In this way, since the intermediate member 60 is once melted and cured, it enters into the gap between the fibers of the fabric constituting the side surface portion 10 and the side bottom surface portion 26, and the end portion 10a and the intermediate member 60 are firmly bonded, Also, the end portion 26a and the intermediate member 60 are firmly bonded. Further, the intermediate member enters the gap between the needle hole and the sewing thread at the end portion 10a or the end portion 26a, and the gap is closed.

  In FIG. 4, the sewing portion 70 is provided on the inner side of the sewing portion 72 as in FIG. 3 with respect to the sewing position. In this case, after forming the sewing portion 72, heat is applied to the sewing position. Since the intermediate member also enters between the needle hole of the portion 72 and the sewing thread, the sewing portion 70 may be formed outside the sewing portion 72.

  As described above, the intermediate member can enter not only the gap between the needle hole and the sewing thread in the sewing portion 70 but also the gap between the needle hole and the sewing thread in the sewing portion 72 to improve waterproofness. In the above description, when the heat and pressure are applied after the covering member is sewn, the covering member is sewn after the end portion 10a, the intermediate member 60, and the end portion 26a are sewn, but the end portion 10a and the intermediate member 60 are sewn. The step of sewing the end portion 26a and the end portion 26a may be omitted, and the end portion 10a, the intermediate member 60, the end portion 26a, and the covering member 50 may be sewn at a time.

  In the above description, members constituting each surface portion of the bag main body portion 5, that is, the side surface portion 10, the side surface portion 12, the bottom surface portion 20, the side surface portion 22, the side surface portion 24, and the upper surface portion 30. Each of the upper surface portions 32 is formed by one piece of cloth, but may be formed by overlapping a plurality of (for example, two) sheet-like members to form one sheet. . That is, for example, in the example of FIG. 2, the side surface portion 10 may be a stack of a plurality of sheet-like members, and the side bottom surface portion 26 may be a stack of a plurality of sheet-like members. In addition, when the sheet-like member which comprises a collar | bag is comprised from a some sheet-like member, it is preferable that the sheet-like member which contact | connects an intermediate member is made of the same material as an intermediate member.

  That is, when the example in such a case is explained taking the connection part of the side part 10 and the side bottom face part 26 as an example, as shown in FIG. And the side bottom surface portion 26 is configured by overlapping the outer surface 26-1 and the lining 26-2, and the side surface portion 10 is laminated on one surface of the intermediate member 60. The side bottom surface portion 26 is laminated on the other surface of the intermediate member 60. That is, the end portion 10-1a of the outer material 10-1 and the end portion 10-2a of the lining 10-2 are stacked on one surface of the intermediate member 60 in the same manner. The end portion 26-1a and the end portion 26-2a of the lining 26-2 are stacked on the other surface of the intermediate member 60, and the end portion 10-1a, the end portion 10-2a, The member 60, the end portion 26-2a, and the end portion 26-1a are sewn to form a sewing portion 70, and further, the end portion 10-1a, the end portion 10-2a, the intermediate member 60, and the end portion 26-. The laminated portion composed of 2a and the end portion 26-1a is covered with the covering member 50, and the laminated portion and the covering member 50 are sewn by the sewing portion 72.

  Here, the material of the intermediate member 60, the material of the lining 10-2, and the material of the lining 26-2 are made the same so as to improve the adhesion between the intermediate member 60 and the lining 10-2, and the intermediate member 60 and the lining 26. -2 to improve adhesion. For example, the side surface portion 10 has a structure in which a backing material 10-2 made of vinyl chloride is attached to a surface material 10-1 made of nylon, and the side bottom surface portion 26 also has a backing material 26-2 made of vinyl chloride on a surface material 26-1 made of nylon. The intermediate member 60 is also made of vinyl chloride. In addition, in the side surface part 10 and the side bottom surface part 26, attachment of a surface material and a lining is performed by thermocompression bonding with an adhesive agent, for example.

  In the configuration shown in FIG. 5, an end portion 10a including an end portion 10-1a and an end portion 10-2a, an intermediate member 60, and an end portion 26a including an end portion 26-2a and an end portion 26-1a are provided. In the laminated state, the sewing portion 70 is formed by sewing with a sewing thread (thread member), and then the region of the end portion is hot-pressed. Then, the melted intermediate member is cured and bonded to the end 10-2a and the end 26-2a. In particular, since the intermediate member 60 and the linings 10-2 and 26-2 are formed of the same material, the intermediate member and the linings 10-2 and 26-2 are favorably bonded. Further, the melted intermediate member enters the gap between the needle hole and the sewing thread at the end portions 10-1a, 10-2a, 26-1a, 26-2a, and the gap is closed. In particular, the intermediate member 60 enters the gap between the needle hole and the sewing thread at the end 10-2a or the end 26-2a in contact with the intermediate member 60, and the gap is closed. Thereafter, the connecting portion 50 is formed by sewing the covering member 50 with the sewing portion 72. Even in this case, there is a gap between the needle hole through which the sewing thread (thread member) constituting the sewing part 72 is inserted and the sewing thread because the sewing part 72 is formed. The portion 70 is formed on the inner side of the sewing portion 72, and since the intermediate member enters the gap between the needle hole and the sewing thread in the portion of the sewing portion 70 and is waterproofed, the waterproof property is not affected.

  Although the intermediate member 60 and the linings 10-2 and 26-2 are made of the same material, the intermediate member 60 is made of a material having a lower melting point than the linings 10-2 and 26-2 while being made of the same material. The intermediate member may be dissolved more quickly when heated so that it can easily enter the gap.

  In the case of the example shown in FIG. 5, after the covering member 50 is provided by sewing, the region of the covering member 50 is further heated and pressurized, and the intermediate member 60 is dissolved again and then cured. May be. Alternatively, the covering member 50 may be sewn after the end portion 10a, the intermediate member 60, and the end portion 26a are sewn, and then the region of the end portion may be hot-pressed.

  In the case of the example shown in FIG. 5, the end portion 10a, the intermediate member 60, and the end portion 26a are sewn to form the sewn portion 70, and then the covering member 50 is sewn to form the sewn portion 72. Thereafter, the region of the connecting portion may be hot-pressed. The intermediate member melted by heating in this way penetrates not only into the gap between the needle hole and the sewing thread in the sewing portion 70 but also into the gap between the needle hole and the sewing thread in the sewing portion 72 so as to be waterproof. Can be increased. In the above description, when the heat and pressure are applied after the covering member is sewn, the covering member is sewn after the end portion 10a, the intermediate member 60, and the end portion 26a are sewn, but the end portion 10a and the intermediate member 60 are sewn. The step of sewing the end portion 26a and the end portion 26a may be omitted, and the end portion 10a, the intermediate member 60, the end portion 26a, and the covering member 50 may be sewn at a time.

  Further, in the above description, in the connection portion between the fabrics constituting each surface portion in the heel body portion 5, the laminated portion in which one fabric, the intermediate member, and the other fabric are laminated faces the outside of the heel body portion 5. However, it may be a configuration in which the laminated portion faces inward.

  Thus, when the example of the state which the lamination | stacking part has faced the inner side is shown, it is comprised like FIG. FIG. 6 shows an example of a connection portion between the side surface portion 10 and the upper surface portion 30, and the end portion 10 a of the side surface portion 10 and the end portion 30 a of the upper surface portion 30 are both folded back inwardly. An intermediate member 60 is provided between the portion 10a and the end portion 30a. That is, the end portion 10a is laminated on one surface of the intermediate member 60, and the end portion 30a is laminated on the other surface of the intermediate member 60. The end portion 10a, the intermediate member 60, and the end portion 30a Are stacked. And the sewing part 70 is formed by sewing the laminated part which consists of this edge part 10a, the intermediate member 60, and the edge part 30a with a sewing thread | yarn, Furthermore, the edge part 10a, the intermediate member 60, and the edge part 30a The laminated portion is covered with a covering member 50, and the laminated portion and the covering member 50 are sewn by a sewing portion 72. The sewing portion 70 and the sewing portion 72 are provided along the connecting portion in parallel with each other, and the sewing portion 72 is a side closer to the inner side of the heel body portion, that is, a fabric or upper surface portion constituting the side surface portion 10. The sewing part 70 is formed on the side close to the outer side of the heel body part. Note that the end of the intermediate member 60 is exposed to the outside of the bag main body 5.

  As a method for manufacturing the connecting portion in the example shown in FIG. 6, the end portion 10a, the intermediate member 60, and the end portion 30a are sewed in a stacked state to form the sewing portion 70. Apply heat and pressure. Then, the intermediate member 60 is melted, the end portion 10a and the intermediate member 60 are bonded, the end portion 30a and the intermediate member 60 are bonded, and the sewing thread and the sewing portion 70 constituting the sewing portion 70 are further bonded. The sewing thread to be configured enters and closes into the gap between the needle hole through which the sewing thread is inserted and the sewing thread. Thereafter, the connecting portion 50 is formed by sewing the covering member 50 with the sewing portion 72. Thereby, even if water tries to enter from the outside of the connection portion, the fabric constituting the side surface portion 10 and the fabric constituting the upper surface portion 30 are bonded to the intermediate member 60, so that the side surface portion 10 and the intermediate member 60 The water is not submerged from the boundary position between the upper surface part 30 and the intermediate member 60, and even if water reaches the position of the sewing part 70 by any chance, it is not between the needle hole and the sewing thread. Since the intermediate member 60 has also penetrated into the gap, it does not soak into the bag main body 5.

  The example shown in FIG. 6 is an example of a connection portion between the side surface portion 10 and the upper surface portion 30, but the same configuration is applied to other connection portions.

  In the case of the example shown in FIG. 6 also, after the covering member 50 is provided by sewing, the region of the covering member 50 is further heated and pressurized, and the intermediate member 60 is dissolved again and then cured. May be. Alternatively, the covering member 50 may be sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, and then the region of the end portion may be hot-pressed.

  In the case of the example shown in FIG. 6, the covering member 50 is sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, and then the region of the connecting portion is hot-pressed. Also good. The intermediate member melted by heating in this way penetrates not only into the gap between the needle hole and the sewing thread in the sewing portion 70 but also into the gap between the needle hole and the sewing thread in the sewing portion 72 so as to be waterproof. Can be increased. In the above description, when the heat and pressure are performed after the covering member is sewn, the covering member is sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, but the end portion 10a and the intermediate member 60 are sewn. The step of sewing the end portion 30a and the end portion 30a may be omitted, and the end portion 10a, the intermediate member 60, the end portion 30a, and the covering member 50 may be sewn at once.

  Moreover, although the example shown in FIG. 6 is an example in case the cloth | dough connected by a connection part is one sheet, several (for example, two sheets) sheet-like members are piled up, and are made into one sheet form. It may be formed. That is, for example, in the example of FIG. 6, the side surface portion 10 may be formed by stacking a plurality of sheet-like members, and the upper surface portion 30 may be formed by stacking a plurality of sheet-like members.

  That is, an example of such a case will be described by taking a connecting portion between the side surface portion 10 and the upper surface portion 30 as an example. As shown in FIG. 7, the side surface portion 10 is composed of the outer surface 10-1 and the lining material 10-2. The upper surface portion 30 is configured by overlapping the outer surface 30-1 and the lining material 30-2, and the side surface portion 10 is laminated on one surface of the intermediate member 60. The part 30 is laminated on the other surface of the intermediate member 60. That is, the end 10-1a of the outer material 10-1 and the end 10-2a of the lining 10-2 are stacked on one surface of the intermediate member 60, and similarly, The end portion 30-1a and the end portion 30-2a of the lining 30-2 are stacked on the other surface of the intermediate member 60, and the end portion 10-1a, the end portion 10-2a, and the middle The member 60, the end portion 30-2a, and the end portion 30-1a are sewn to form a sewing portion 70, and further, the end portion 10-1a, the end portion 10-2a, the intermediate member 60, and the end portion 30-. The laminated portion composed of 2a and the end 30-1a is covered with a covering member 50, and the laminated portion and the covering member 50 are sewn by a sewing portion 72.

  Here, as in the case of FIG. 5, the material of the intermediate member 60 and the member in contact with the intermediate member are made the same to improve the adhesion. In other words, the material of the intermediate member 60, the material of the outer material 10-1, and the material of the outer material 30-1 are made the same to improve the adhesion between the intermediate member 60 and the outer material 10-1, and the intermediate member 60 and the outer material 30- Good adhesion between 1

  In the configuration shown in FIG. 7, an end portion 10a including an end portion 10-1a and an end portion 10-2a, an intermediate member 60, and an end portion 30a including an end portion 30-2a and an end portion 30-1a are provided. In the laminated state, the sewing portion 70 is formed by sewing with a sewing thread, and then the region of this end portion is hot-pressed. Then, the melted intermediate member is cured and bonded to the end 10-1a and the end 30-1a. In particular, since the intermediate member 60 and the outer materials 10-1 and 30-1 are formed of the same material, the intermediate member and the outer materials 10-1 and 30-1 are favorably bonded. Further, the melted intermediate member enters the gap between the needle hole and the sewing thread at the end portions 10-1a, 10-2a, 30-1a, and 30-2a, thereby closing the gap. In particular, the intermediate member 60 enters the gap between the needle hole and the sewing thread at the end 10-1a or the end 30-1a in contact with the intermediate member 60, and the gap is closed. Thereafter, the connecting portion 50 is formed by sewing the covering member 50 with the sewing portion 72.

  Although the intermediate member 60 and the outer materials 10-1 and 30-1 are made of the same material, the intermediate member 60 is made of a material having a lower melting point than the outer materials 10-1 and 30-1 while being made of the same material. The intermediate member may be dissolved more quickly when heated so that it can easily enter the gap.

  In the case of the example shown in FIG. 7 also, after the covering member 50 is provided by sewing, the region of the covering member 50 is further heated and pressurized, and the intermediate member 60 is dissolved again and then cured. May be. Alternatively, the covering member 50 may be sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, and then the region of the end portion may be hot-pressed.

  Also in the case of the example shown in FIG. 7, the covering member 50 is sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, and then the region of the connecting portion is hot-pressed. Also good. The intermediate member melted by heating in this way penetrates not only into the gap between the needle hole and the sewing thread in the sewing portion 70 but also into the gap between the needle hole and the sewing thread in the sewing portion 72 so as to be waterproof. Can be increased. In the above description, when the heat and pressure are performed after the covering member is sewn, the covering member is sewn after the end portion 10a, the intermediate member 60, and the end portion 30a are sewn, but the end portion 10a and the intermediate member 60 are sewn. The step of sewing the end portion 30a and the end portion 30a may be omitted, and the end portion 10a, the intermediate member 60, the end portion 30a, and the covering member 50 may be sewn at once.

  In each of the above descriptions, the configuration of the covering member 50 is configured in layers with a plurality of sheet-like members, and the inner side, that is, the portion in contact with the laminated portion is configured with a thermoplastic material in the same manner as the intermediate member 60. Thus, the waterproof property may be further improved. That is, for example, the covering member 50 is composed of an outer sheet-like part and an inner sheet-like part superimposed on the outer sheet-like part, the outer sheet-like part is made of nylon, and the inner sheet-like part is made of vinyl chloride. And if it heat-presses after sewing by making an inner side sheet-like part inside, since not only the intermediate member 60 but an inner side sheet-like part will melt | dissolve, it will harden | cure more, and waterproofness will be improved more. Thus, when making the inner side of the coating | coated member 50 into a thermoplastic material, as shown in FIG. 4, the coating | coated member 50 is heat-pressed after sewing to a lamination | stacking part. Thereby, since not only the intermediate member 60 but also the inner surface of the covering member 50 is waterproofed, the waterproof property is further improved. In the example of FIG. 4, the inner surface of the covering member 50 is in contact with the end 10a and the end 26a. Thus, the method of forming the covering member 50 into a plurality of layered configurations can be applied to any of the configuration in FIG. 2, the configuration in FIG. 4, the configuration in FIG. 5, and the configuration in FIG.

  In addition, you may make it improve waterproofness by sticking a tape on the back surface of the connection part in which the intermediate member 60 and the coating | coated member 50 were provided. That is, in particular, in the example shown in FIGS. 2 and 5, the intermediate member 60 is disposed inside the side surface portion 10 and the side bottom surface portion 26 (in the case of FIG. 5, inside the lining 10-2 and the lining 26-2). The waterproof property is further improved by applying a waterproof tape so as to extend from the side surface portion 10 to the side bottom surface portion 26 through the end portion.

  In the above description, the cocoon having the configuration shown in FIGS. 1 and 2 has been described as an example. However, the cocoon of other configurations may be used, and the above-described configuration may be adopted in the connection portion between the fabrics that form the cocoon. To improve waterproofness. Moreover, it is good also as a above structure about the connection part of the sheet-like members which comprise not only the connection part of the fabric | combination which comprises a wrinkle.

  In the above description, the connection portion in the heel has been mainly described. However, the connection portion is not limited to the connection portion in the heel, and the connection portion other than the heel can be applied to the connection portion of the two sheet-like members. In particular, the manufacturing process of the connection part described above is applicable to the manufacture of the connection part of two sheet-like members. That is, the present invention can be applied to a connecting portion of an object formed by connecting sheet-like members.

  2 and 5 to 7 are fragmentary cutaway perspective views, and it can be said that the front surface in each drawing shows a surface cut by a plane.

It is a perspective view which shows the example of the collar in the Example of this invention. It is a principal part fracture | rupture perspective view which shows the structure of the connection part in the collar of the Example of this invention. It is explanatory drawing which shows the process of formation of the connection part in the collar of the Example of this invention. It is explanatory drawing which shows the process of formation of the connection part in the collar of the Example of this invention. It is a principal part fracture perspective view which shows the structure of the connection part of the other example in the collar of the Example of this invention. It is a principal part fracture perspective view which shows the structure of the connection part of the other example in the collar of the Example of this invention. It is a principal part fracture perspective view which shows the structure of the connection part of the other example in the collar of the Example of this invention.

Explanation of symbols

A ５ 5 鞄 Body portion 10, 12, 22, 24 Side surface portion 10a, 26a, 30a, 10-1a, 10-2a, 26-1a, 26-2a, 30-1a, 30-2a End portion 20 Bottom surface portion 26 Side bottom surface portion 30, 32 Upper surface portion 40, 42 Handle portion S Connection portion 50 Cover member 60 Intermediate member 70, 72 Sewing portion

Claims (20)

鞄
An intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member at a connection portion between the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag. It is and,
The material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . 鞄
An intermediate member having thermoplasticity is provided at a position between the first sheet-like member and the second sheet-like member at a connection portion between the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag. It is and,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. bag. The intermediate member is sewed integrally with a thread member in a state where the first sheet-like member, the intermediate member, and the second sheet-like member are laminated, and then the first sheet-like member, the intermediate member, and the first The bag according to claim 1 or 2 , which is formed by heat-pressing a laminated portion of two sheet-like members. 鞄
The connection part of the 1st sheet-like member which is a sheet-like member which constitutes a collar, and the 2nd sheet-like member,
In the belt-like intermediate member having thermoplasticity, one surface of the end region which is a region of a predetermined width of the end portion of the first sheet-like member is bonded to one surface of the intermediate member, An intermediate member in which one surface in an end region which is a region of a predetermined width of the end portion of the second sheet-like member is bonded to the other surface of the intermediate member;
A sewing portion formed by integrally stitching the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member with a thread member, and a sewing portion made of the thread member; ,
I have a,
The material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . 鞄
The connection part of the 1st sheet-like member which is a sheet-like member which constitutes a collar, and the 2nd sheet-like member,
In the belt-like intermediate member having thermoplasticity, one surface of the end region which is a region of a predetermined width of the end portion of the first sheet-like member is bonded to one surface of the intermediate member, An intermediate member in which one surface in an end region which is a region of a predetermined width of the end portion of the second sheet-like member is bonded to the other surface of the intermediate member;
A sewing portion formed by integrally stitching the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member with a thread member, and a sewing portion made of the thread member; ,
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. bag. The intermediate member is formed by sewing together with a thread member in a state where the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member are stacked to form a sewing portion. The laminated part consisting of the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member is formed by heat-pressing. 4. A spear according to 4 or 5 . 鞄
The connection part of the 1st sheet-like member which is a sheet-like member which constitutes a collar, and the 2nd sheet-like member,
In the belt-like intermediate member having thermoplasticity, one surface of the end region which is a region of a predetermined width of the end portion of the first sheet-like member is bonded to one surface of the intermediate member, An intermediate member in which one surface in an end region which is a region of a predetermined width of the end portion of the second sheet-like member is bonded to the other surface of the intermediate member;
A covering member that covers a laminated portion composed of an end region of the first sheet-like member, the intermediate member, and an end region of the second sheet-like member;
I have a,
The material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . 鞄
The connection part of the 1st sheet-like member which is a sheet-like member which constitutes a collar, and the 2nd sheet-like member,
In the belt-like intermediate member having thermoplasticity, one surface of the end region which is a region of a predetermined width of the end portion of the first sheet-like member is bonded to one surface of the intermediate member, An intermediate member in which one surface in an end region which is a region of a predetermined width of the end portion of the second sheet-like member is bonded to the other surface of the intermediate member;
A covering member that covers a laminated portion composed of an end region of the first sheet-like member, the intermediate member, and an end region of the second sheet-like member;
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. bag. The intermediate member and the covering member are a state in which the covering member is covered on a laminated portion formed by laminating the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member. The laminated portion and the covering member are sewn together with a thread member, and then the intermediate member is dissolved by heating and pressurizing the covering member and the laminated portion and then cured. The bag according to claim 7 or 8, characterized in that 鞄
Both the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the ridge, are formed in a state where a plurality of sheet-like members are stacked,
The connecting portion between the first sheet-like member and the second sheet-like member is
In the belt-like intermediate member having thermoplasticity, one surface of the end region which is a region of a predetermined width of the end portion of the first sheet-like member is bonded to one surface of the intermediate member, An intermediate member in which one surface in an end region which is a region of a predetermined width of the end portion of the second sheet-like member is bonded to the other surface of the intermediate member;
A covering member that covers a laminated portion composed of an end region of the first sheet-like member, the intermediate member, and an end region of the second sheet-like member;
A sewing portion formed by integrally stitching the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member with a thread member, and a sewing portion made of the thread member; ,
A second sewing portion formed by integrally stitching the covering member, the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member with a thread member; A second sewing part made of a member;
Have
The material of the sheet member in contact with the intermediate member in the first sheet member, the material of the intermediate member, and the material of the sheet member in contact with the intermediate member in the second sheet member are the same.鞄 characterized by that. A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. Sewing process;
A heat pressurizing step of heat-pressing the laminated portion of the first sheet-like member, the intermediate member and the second sheet-like member including the sewing portion formed in the sewing step;
I have a,
A method for manufacturing a bag, characterized in that the material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. Sewing process;
A heat pressurizing step of heat-pressing the laminated portion of the first sheet-like member, the intermediate member and the second sheet-like member including the sewing portion formed in the sewing step;
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material for the sheet-like member in contact with the intermediate member, the material for the intermediate member, and the material for the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. . A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. A sewing process in which the first sheet-like member, the intermediate member, and the second sheet-like member are integrally sewn with a thread member in a state where the intermediate member is sandwiched;
A heat pressurizing step of heat-pressing a laminated portion composed of the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member including the sewing portion formed in the sewing step. When,
I have a,
A method for manufacturing a bag, characterized in that the material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. A sewing process in which the first sheet-like member, the intermediate member, and the second sheet-like member are integrally sewn with a thread member in a state where the intermediate member is sandwiched;
A heat pressurizing step of heat-pressing a laminated portion composed of the end region of the first sheet-like member, the intermediate member, and the end region of the second sheet-like member including the sewing portion formed in the sewing step. When,
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material for the sheet-like member in contact with the intermediate member, the material for the intermediate member, and the material for the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. . A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, A covering member forming step of integrally sewing the covering member with the thread member;
A heat pressurizing step of heat-pressing the covering member and the laminated portion including a sewing portion formed in the sewing step;
I have a,
A method for manufacturing a bag, characterized in that the material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . A method for producing cocoons,
Having a connecting step of connecting the first sheet-like member and the second sheet-like member, which are sheet-like members constituting the bag,
The connecting step is
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, A covering member forming step of integrally sewing the covering member with the thread member;
A heat pressurizing step of heat-pressing the covering member and the laminated portion including a sewing portion formed in the sewing step;
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. The material for the sheet-like member in contact with the intermediate member, the material for the intermediate member, and the material for the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same. . A manufacturing method for a connecting portion of a sheet-like member, which manufactures a connecting portion between a first sheet-like member and a second sheet-like member,
The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. Sewing process;
A heat pressurizing step of heat-pressing the laminated portion of the first sheet-like member, the intermediate member and the second sheet-like member including the sewing portion formed in the sewing step;
I have a,
A method for manufacturing a connecting portion of a sheet-like member, characterized in that the material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . A manufacturing method for a connecting portion of a sheet-like member, which manufactures a connecting portion between a first sheet-like member and a second sheet-like member,
The first sheet-shaped member, the intermediate member, and the second sheet-shaped member are integrally sewn with the thread member in a state where the thermoplastic intermediate member is sandwiched between the first sheet-shaped member and the second sheet-shaped member. Sewing process;
A heat pressurizing step of heat-pressing the laminated portion of the first sheet-like member, the intermediate member and the second sheet-like member including the sewing portion formed in the sewing step;
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. In the sheet-like member, the material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same . A manufacturing method of a connection part. A manufacturing method for a connecting portion of a sheet-like member, which manufactures a connecting portion between a first sheet-like member and a second sheet-like member,
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, A covering member forming step of integrally sewing the covering member with the thread member;
A heat pressurizing step of heat-pressing the covering member and the laminated portion including a sewing portion formed in the sewing step;
I have a,
A method for manufacturing a connecting portion of a sheet-like member, characterized in that the material of the first sheet-like member, the material of the intermediate member, and the material of the second sheet-like member are all the same . A manufacturing method for a connecting portion of a sheet-like member, which manufactures a connecting portion between a first sheet-like member and a second sheet-like member,
A belt-like strip having thermoplasticity between an end region which is a predetermined width region of the end portion of the first sheet-like member and an end region which is a predetermined width region of the end portion of the second sheet-like member. In a state where the intermediate member is sandwiched, the laminated portion composed of the first sheet-like member, the intermediate member, and the second sheet-like member is covered with a covering member for covering the laminated portion, A covering member forming step of integrally sewing the covering member with the thread member;
A heat pressurizing step of heat-pressing the covering member and the laminated portion including a sewing portion formed in the sewing step;
I have a,
The first sheet-like member is formed in a state in which a plurality of sheet-like members are stacked, and the second sheet-like member is formed in a state in which a plurality of sheet-like members are stacked. In the sheet-like member, the material of the sheet-like member in contact with the intermediate member, the material of the intermediate member, and the material of the sheet-like member in contact with the intermediate member in the second sheet-like member are both the same . A manufacturing method of a connection part.

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