TWM471185U - Ultrasonic bonding formed bag body and base material structure thereof - Google Patents

Description

Ultrasonic adhesive composite bag structure and its substrate structure

The present invention relates to a bag structure, and more particularly to a bag body structure which is folded by a preformed substrate structure and which is ultrasonically bonded.

Please refer to FIG. 1 to show a generally common non-woven shopping bag 10, which is mainly prepared by folding the two ends of an elongate fabric 100 and fixing the transverse frit 101 formed by ultrasonic bonding to form a bag. The port 11 is then fixed on the side of the transverse frit 101 by the vortex frit 102 formed by ultrasonic bonding. Finally, the fabric 100 is folded in half, and the longitudinal melt marks 103 formed by ultrasonic waves are used to form the sides of the fabric 100. The butt joint is bonded to produce a conventional non-woven shopping bag 10.

It should be noted that, due to the folding manner of the cloth 100, the direction and position of the ultrasonic bonding cannot be completed at one time, and it is necessary to repeat the processing process of the ultrasonic bonding three times in the folding order, which makes the process more difficult and difficult. The productivity is improved, and the folding or ultrasonic bonding processing steps of the cloth 100 are required at a labor interval, and the process has the problems of increasing the labor cost and increasing the defective rate caused by the manual operation.

The purpose of the novel creation is to provide a base of an ultrasonic adhesive composite bag. Material structure, which mainly pre-forms the sheet-like substrate to be formed into a bag body into a specific structure, so that the bag body can be formed into a desired bag body by only one ultrasonic bonding process after all the folding processes are completed. The structure achieves the goal of simplifying the bag system and effectively reducing the product defect rate.

The reason is that, in order to achieve the above object, the substrate structure of an ultrasonic adhesive composite bag provided by the novel creation is a piece of substrate for folding and ultrasonically bonding to obtain a bag body, the substrate Is a rectangular shape and has a relatively long side and two opposite short sides, defines a Y direction along the direction in which the short side extends, and the substrate has a pair of inner faces and an outer face; and the inner surface of the substrate Having a first valley line, a second valley line and a third valley line disposed along the Y direction, defining that the first valley line and the second valley line together define a first pocket wall, the third The valley line and the adjacent short side of the substrate together define a second bag wall, and the first valley line and the adjacent short side of the substrate together define a third bag wall, the second valley line Forming a fourth bag wall together with the third valley line, wherein the first bag wall is halved by a first mountain line extending along the Y direction, and the third bag wall is along the Y direction The extended second mountain line is halved, and each of the bag walls is provided with at least one notch and at least two along the Y-direction from the same side long side of the substrate. Shaped spacer with the notch portion.

Another object of the novel creation is to provide a supersonic-adhesive bag structure, through which the specific structure of the pre-formed sheet substrate is increased, thereby increasing the thickness of the bottom of the bag structure to provide a high structural strength. Bag structure with good load bearing capacity.

The edge is that, in order to achieve the above object, an ultrasonic composite type bag structure provided by the novel creation is made of a substrate structure as described above, characterized in that the substrate is in accordance with the first and the first After the third valley line and the first and second mountain lines are folded, the second bag wall is overlapped with the fourth bag wall and the second and fourth bag walls are not aligned, and the first bag wall is And the third The wall of the bag is folded between the second bag wall and the fourth bag wall via the first and second mountain lines, and the notches of the first and third bag walls are respectively folded into the second and fourth bag walls. The notch is folded, and the belt portion of the first bag wall is folded in half between one of the second and fourth bag walls, and the belt portion of the third bag wall is folded in the second Between the other side belt portion of the fourth bag wall, the folded substrate is subjected to ultrasonic bonding technology, and an ultrasonic fuse is disposed along the periphery of the fourth bag wall to bond the short sides of the substrate to form The bag body.

Another object of the present invention is to provide a bag structure having a different number of bundles by changing the number of notches provided on the substrate to change the shape of the belt portion forming the bag body to meet practical use requirements. Wherein, the substrate may be provided with a notch on each of the bag walls to form a bag without a strap, or may be formed on the second, fourth bag walls or the first and third bag walls of the substrate to have The bag body of the double band, or two notches on the wall of the bag body to form a bag body having four straps, to meet the actual use requirements.

With regard to the techniques, means and other effects of the present invention in order to achieve the above objects, a preferred embodiment is described in detail with reference to the drawings.

[study]

10‧‧‧Shopping bags

100‧‧‧ cloth

101‧‧‧ transverse melt marks

102‧‧‧ vortex crevice

103‧‧‧ longitudinal melt marks

11‧‧‧ bag mouth

12‧‧‧With body

[This new type]

200‧‧‧ bag body

20‧‧‧Substrate

201‧‧‧Longside

202‧‧‧ Short side

203‧‧‧ inside

204‧‧‧ outside

205‧‧‧First Valley Line

206‧‧‧Second Valley Line

207‧‧‧Third Valley Line

208‧‧‧First Mountain Line

209‧‧‧Second mountain line

21‧‧‧First bag wall

22‧‧‧Second wall

23‧‧‧ Third bag wall

24‧‧‧fourth wall

25‧‧ ‧ gap

26‧‧‧Lead Department

261‧‧‧Belt

262‧‧‧Tie

27‧‧‧ Ultrasonic Melt

Figure 1 is a schematic view showing the structure of a conventional shopping bag.

Fig. 2 is a perspective view showing the structure of the substrate with the fold line and the notch.

Fig. 3 is a perspective view showing the folded state of the bag structure of the present invention.

Fig. 4 is a perspective view showing the unfolded state of the novel bag structure.

Fig. 5A is a perspective view showing the structure of the substrate of the novel non-bundle bag body.

Fig. 5B is a schematic view showing the three-dimensional expansion structure of the novel non-bundle bag body.

Fig. 6A is a perspective view showing the structure of the base material of the novel double-belt.

Figure 6B is a schematic perspective view of the three-beamed bag body of the present invention.

Please refer to the figures 2 to 4 to illustrate the main implementation of the novel ultrasonic composite type bag structure and its substrate structure. The bag structure of the ultrasonic supersonic composite type of the present invention is obtained by setting a number of fold lines on the structure of the sheet-like base material 20 as shown in Fig. 2, folding and forming, and then fixing with ultrasonic bonding.

As shown in FIG. 2, the sheet-like substrate 20 has a rectangular shape and has opposite long sides 201 and two opposite short sides 202, and defines a Y direction along the extending direction of the short sides 202, and the substrate 20 has a relative inner side. A first valley line 205, a second valley line 206 and a third valley line 207 are disposed on the inner surface 203 of the substrate 20 along the Y surface, and the first valley line 205 is defined. A second bag wall 21 is defined between the second valley lines 206. The third valley line 207 and the adjacent short side 202 of the substrate 20 define a second bag wall 22, the first valley line 205. A third bag wall 23 is defined between the short side 202 of the substrate 20 adjacent thereto, and the second valley line 206 and the third valley line 207 jointly define a fourth bag wall 24, wherein the first bag wall 24 A bag wall 21 is a second mountain 208 extending in the Y direction, and the third bag wall 23 is a second mountain line 209 extending in the Y direction, and the bag wall 21 is halved. 22, 23, 24 are provided with at least one notch 25 in the Y direction from the same side long side 201 of the substrate 20, and at least two strip portions 26 are formed at intervals from the notch 25.

In the present embodiment, as shown in FIG. 2, each of the bag walls 21, 22, 23, and 24 of the substrate 20 is provided with two notches 25 in the Y direction from the same side long side 201 of the substrate 20. And three strip portions 26 are formed on the middle and opposite sides of the two notches 25, so that the substrate 20 is in accordance with the first The second and third valley lines 205, 206, and 207 and the first and second mountain lines 208 and 209 are folded and bonded, and the gaps 25 of the bag walls 21, 22, 23, and 24 are aligned, and the plurality of the gaps 25 are located. The belt portions 26 on opposite sides are superposed to form two straps 262 of the bag body 200, and the belt portion 26 located in the middle of the pair of gaps 25 is formed as the four belts 261 of the bag body 200.

Thereby, the structure of the base material 20 of Fig. 2 is folded to form the bag body 200 as shown in Fig. 3, and the manner in which the structure of the bag body 200 is folded will be described below. It should be noted that the present invention has defined that the fold line is disposed on the inner surface 203 of the substrate 20, so the valley line refers to the shape of the fold line after the base surface 20 is folded, and the inner surface 203 will contact the opposite line. It means that after the substrate 20 is folded, the outer surface 204 will contact the folded line form. Therefore, the substrate 20 is folded according to the first, second, and third valley lines 205, 206, 207 and the first and second mountain lines 208, 209, and the second bag wall 22 and the fourth bag The wall 24 is overlapped and the notches 25 of the second and fourth bag walls 22, 24 are aligned. The first bag wall 21 and the third bag wall 23 are folded by the first and second mountain lines 208, 209. Between the second bag wall 22 and the fourth bag wall 24, the notches 25 of the first and third bag walls 21, 23 are respectively folded inwardly to the notches 25 of the second and fourth bag walls 22, 24. And the belt portion 26 of the first bag wall 21 is folded and folded between the one side belt portion 26 of the second and fourth bag walls 22, 24, and the belt portion 26 of the third bag wall 23 is folded in half. Between the other side belt portions 26 of the second and fourth bag walls 22, 24, the folded substrate 20 is subjected to ultrasonic bonding technology, and an ultrasonic wave frit 27 is disposed along the periphery of the fourth bag wall 24. The bag body 200 is formed by bonding the two short sides 202 of the substrate 20.

FIG. 3 is a schematic view showing a state in which the bag body 200 is unfolded after being folded, and each of the bag walls 21, 22, 23, and 24 is folded and folded, so that the entire bag body 200 has a flat shape and is easy to be accommodated. . Figure 4 shows the three-dimensional appearance of the bag body 200 of Figure 3, which is folded into the second bag wall 22 and the fourth bag by folding the first bag wall 21 and the third bag wall 23 in half. After the wall 24 is unfolded, the first and third bag walls 21 and 23 respectively form a triangular area overlapping the bottoms of the inner faces 203 of the second and fourth bag walls 22 and 24, so that the present invention The thickness of the bottom of the bag body 200 is increased to produce a bag body 200 structure with high structural strength and good load bearing capacity under the premise of simplifying the bag process and effectively reducing the product defect rate.

Referring to the embodiments of FIGS. 5A and 5B and FIGS. 6A and 6B, the present invention can be used to change the shape of the strip portion 26 of the bag body 200 by changing the number of the notches 25 provided in the substrate 20. The belt 261 has a number of bag body 200 structures.

Fig. 5A is a perspective view showing the structure of the substrate 20 of the present invention in which the non-bundle bag body 200 of Fig. 5B is formed. As shown in FIG. 5A, the bag body 200 is mainly provided with a notch 25 and two in the Y direction from the same side long side 201 of the substrate 20 through the bag walls 21, 22, 23, 24 of the substrate 20. The belt portion 26 is formed on opposite sides of the notch 25, whereby the substrate 20 is folded according to the first, second, and third valley lines 205, 206, 207 and the first and second mountain lines 208, 209. When the gaps 25 of the bag walls 21, 22, 23, and 24 are aligned, the belt portions 26 are overlapped on opposite sides of the pair of notches 25 to form two straps 262 of the bag body 200, forming a fifth belt. The figure does not have a bag body 200 of a drawstring structure.

Fig. 6A is a perspective view showing the structure of the substrate 20 of the double bundle bag body 200 of the present invention. The double-belt 261 bag body 200 is provided through the first and third bag walls 21, 23 of the substrate 20 from the same side long side 201 of the substrate 20, and the notch 25 and the tape are disposed along the Y direction. The portion 26 is formed on opposite sides of the notch 25, and the second and fourth bag walls 22, 24 of the substrate 20 are provided with two notches 25 in the Y direction from the same side long side 201 of the substrate 20, and three The strip portion 26 is formed on the middle and opposite sides of the two notches 25, so that the substrate 20 depends on the first, second, and third valley lines 205, 206, 207 and the first and second mountain lines 208, 209. After folding and bonding, each should The pockets 21, 22, 23, 24 are not in contact with each other. The strips 26 on opposite sides of the mating indentations 25 are superposed to form two straps 262 of the bag body 200, and the strips 262 are located in the middle of the mating indentations 25. The belt portion 26 is formed as the two belts 261 of the bag body 200 to provide a structure of the bag body 200 having the double belt 261. However, the position of the belt 261 formed on the bag body 200 is not limited to the above two embodiments, and can be further changed by the position and number of the notches 25 provided on the substrate 20, for example, in the first and third bags. Two notches 25 are provided on the walls 21, 23, and a notch 25 is formed in the second and fourth bag walls 22, 24 to deform the band 261 in the embodiment of the 6A, 6B embodiment to the first The third bag walls 21, 23 are on.

200‧‧‧ bag body

203‧‧‧ inside

204‧‧‧ outside

205‧‧‧First Valley Line

206‧‧‧Second Valley Line

207‧‧‧Third Valley Line

208‧‧‧First Mountain Line

209‧‧‧Second mountain line

21‧‧‧First bag wall

22‧‧‧Second wall

23‧‧‧ Third bag wall

24‧‧‧fourth wall

25‧‧ ‧ gap

26‧‧‧Lead Department

261‧‧‧Belt

262‧‧‧Tie

27‧‧‧ Ultrasonic Melt

Claims (6)

The substrate structure of the ultrasonic composite type bag body is a piece of substrate for folding and ultrasonically bonding to obtain a bag body, the substrate is rectangular and has a relatively long side and two relatively short sides. Defining a direction along the short side of the Y direction, and the substrate has a pair of inner faces and an outer face; wherein the inner face of the substrate has a first valley line along the Y direction, a first The second valley line and the third valley line define a first bag wall jointly defined between the first valley line and the second valley line, the third valley line and the adjacent short side of the substrate are jointly defined a second bag wall, the first valley line and the adjacent short side of the substrate together define a third bag wall, and the second valley line and the third valley line jointly define a fourth bag wall The first bag wall is halved by a first mountain line extending along the Y direction, and the third bag wall is halved by a second mountain line extending along the Y direction, and each of the bag walls At least one notch is formed in the Y direction from the same side long side of the substrate, and at least two belt portions are formed to be spaced apart from the notch. The substrate structure of the ultrasonic-adhesive composite bag according to claim 1, wherein each of the bag walls of the substrate is provided with a notch and two bands along the long side of the same side of the substrate in the Y direction. Forming on opposite sides of the notch, the substrate is folded and bonded according to the first, second, and third valley lines and the first and second mountain lines, and each of the bag walls is not aligned, and the strip portions are The opposite sides of the pair of notches are superposed to form two straps of the bag body. The substrate structure of the ultrasonic-adhesive composite bag according to claim 1, wherein each of the bag walls of the substrate is provided with two notches in the Y direction from the same side long side of the substrate, and The strip portion is formed on the middle and opposite sides of the two notches, so that the substrate is folded and bonded according to the first, second, and third valley lines and the first and second mountain lines, and each of the bag wall gaps And the belt portions on opposite sides of the mating notch are folded to form two straps of the bag body, and the belt portion located in the middle of the mating notch is formed as four straps of the bag body. The substrate structure of the ultrasonic-adhesive composite bag according to claim 1, wherein the first and third bag walls of the substrate are provided with the notch along the long side of the same side of the substrate along the Y direction. And the two strip portions are formed on opposite sides of the notch, and the second and fourth pocket walls of the substrate are provided with two notches in the Y direction from the same side long side of the substrate, and three strip portions are formed on the strip The middle and the opposite sides of the two notches allow the substrate to be folded and bonded according to the first, second, and third valley lines and the first and second mountain lines, and the gaps of the bag walls are opposite to each other. The belt portions on both sides are superposed to form two straps of the bag body, and the belt portion located in the middle of the pair of notches is formed as the two belts of the bag body. The substrate structure of the ultrasonic-adhesive composite bag according to claim 1, wherein the fourth bag wall of the substrate is based on the first, second, and third valley lines of the substrate; After the first and second mountain lines are folded, ultrasonic waves are bonded to form an ultrasonic wave frit along the periphery of the fourth bag wall along the end of the band portion. The invention relates to a supersonic adhesive type bag body structure, which is made of a substrate structure as claimed in claim 1 , characterized in that the substrate is according to the first, second and third valley lines and After the first and second mountain lines are folded, the second bag wall is overlapped with the fourth bag wall and the second and fourth bag walls are not in contact with each other, and the first bag wall and the third bag wall are The first and second mountain lines are folded between the second bag wall and the fourth bag wall, and the notches of the first and third bag walls are respectively folded into opposite sides of the second and fourth bag walls. And the belt portion of the first bag wall is folded in half on one side of the second and fourth bag walls Between the belt portions, the belt portion of the third bag wall is folded and folded between the other side belt portions of the second and fourth bag walls, so that the folded substrate is subjected to ultrasonic bonding technology along the first An ultrasonic wave frit is disposed on the periphery of the four bag walls to bond the short sides of the substrate to form the bag body.