Clothing welt processing method

Abstract

The invention belongs to the technical field of garment manufacturing, and discloses a garment welt treatment method which comprises the following steps: folding one side of welt fabric towards the reverse side of the welt fabric to form a folded edge with consistent width; the adhesive tape pressing strip is partially stacked below the folded edge, and the front face of the adhesive tape pressing strip is attached to the folded edge; the adhesive pressing strip and the welt fabric are sewn at the position of the folded edge; the end, away from the adhesive pressing strip, of the welt fabric is sewn to a bodice fabric, then the adhesive pressing strip and the welt fabric are turned over towards the reverse side of the bodice fabric, and the reverse side of the adhesive pressing strip and the reverse side of the welt fabric are attached to the reverse side of the bodice fabric; and pressing and ironing the adhesive pressing strip to the reverse side of the big body fabric. The fabric is suitable for various different types of outdoor jacket fabrics, and is not easy to fall off.

Description

Technical Field

[0001] The invention relates to the technical field of clothing manufacturing, and in particular to a method for processing the edge of clothing. Background Art

[0002] Welting refers to the process of sealing or reinforcing the edge of clothing during the production process. Specifically, welting usually fixes the welt fabric to the edge of the clothing (such as the brim, cuffs and hem, etc.), usually by gluing, laminating or other processes to make the welt fabric tightly combined with the main part of the clothing, so that the surface of the clothing is smoother and fits better, and it can achieve the effect of waterproofing, windproofing and enhancing durability. Especially in the production of single-shell jackets, welting is one of the important processes.

[0003] During the design and production process, the following two solutions are often used to process the welts of single-shell jackets. One is to use double-sided tape to stick the welt fabric to the body of the jacket, but the welt produced by this solution is easy to fall off after multiple washings, or the welt edge fabric is delaminated. This solution has certain requirements for the fabric and is not suitable for all jacket fabrics. The second is to first stick the welt fabric to the body of the jacket with double-sided tape, and then press a glue strip above the connection between the welt fabric and the back of the body. In this way, part of the glue strip will contact the front of the welt fabric, and the other part will contact the back of the body. For jackets, the front of the welt fabric is usually made of the same fabric as the front of the body, both of which are water-repellent, have a relatively smooth surface, and are not easy to stick to glue, so it is easy to cause the glue strip to fall off.

[0004] Therefore, it is urgent to propose a method for processing the edge of clothing to solve the above technical problems. Summary of the invention

[0005] The invention aims to provide a method for processing the edge of clothing, which can be applicable to various types of jacket fabrics and is less likely to fall off.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] The present invention provides a method for processing the edge of clothing, comprising the following steps:

[0008] Fold one side of the welt fabric over itself to create a hem of uniform width;

[0009] The glue strip is partially overlapped under the folded edge, and the front side of the glue strip is in contact with the folded edge;

[0010] At the folded edge, the glue strip is sewn together with the welt fabric;

[0011] Sewing one end of the welt fabric away from the glue strip to the body fabric, then folding the glue strip and the welt fabric toward the reverse side of the body fabric, and making the reverse side of the glue strip and the reverse side of the welt fabric fit the reverse side of the body fabric;

[0012] The adhesive strip is pressed and ironed onto the reverse side of the body fabric.

[0013] In some embodiments, when the glue strip is sewn to the welt fabric at the folded edge, the distance between the sewing line and the first edge line of the welt fabric attached to the glue strip is 0.15 cm.

[0014] In some embodiments, partially overlapping the glue strip below the folded edge and making the front side of the glue strip fit the folded edge specifically includes:

[0015] The width of each exposed portion of the glue strip relative to the first edge line is equal, which is 0.5 cm.

[0016] In some embodiments, the adhesive strip is sewn to the welt fabric at the folded edge, specifically comprising:

[0017] When the glue pressing strip is sewn with the welt fabric, a copy paper is attached to the reverse side of the glue pressing strip; after the glue pressing strip is sewn with the welt fabric, the copy paper is torn off.

[0018] In some embodiments, pressing the adhesive strip to the reverse side of the body fabric specifically includes:

[0019] During pressing, a hot and cold pressing machine is used to sequentially perform hot pressing and cold pressing on the glue strip, the hot pressing temperature is 150° C., the hot pressing time is 13 seconds, and the cold pressing time is 5 seconds.

[0020] In some embodiments, pressing the adhesive strip to the reverse side of the body fabric further comprises:

[0021] The position to be pressed is covered with white cotton cloth.

[0022] In some embodiments, the width of the folded edge is 0.5 cm to 1 cm.

[0023] In some embodiments, the end of the welt fabric away from the adhesive strip is sewn to the body fabric, and then the adhesive strip and the welt fabric are folded toward the reverse side of the body fabric, and the reverse side of the adhesive strip and the reverse side of the welt fabric are attached to the reverse side of the body fabric, specifically including:

[0024] The glued strip and the welt fabric are stacked on the body fabric, so that the front sides of the glued strip and the welt fabric are attached to the front side of the body fabric, and the second side line of the welt fabric away from the glued strip is overlapped with the third side line of the body fabric;

[0025] Sewing the welt fabric to the body fabric, wherein the seam line formed by the sewing is parallel to the second side line and the distance from the second side line is 1 cm to 2 cm;

[0026] Folding the glued strip and the welt fabric toward one side of the second edge line along the seam line, so that the front side of the welt fabric and the front side of the glued strip are in the same direction as the front side of the body fabric;

[0027] On the welt fabric, a pressing line is sewn on the side of the stitching line facing the adhesive strip, the pressing line is parallel to the stitching line and the distance from the stitching line is 0.15 cm;

[0028] The welt fabric and the adhesive strip are folded toward the reverse side of the body fabric along the pressing line, and the reverse side of the adhesive strip and the welt fabric are attached to the reverse side of the body fabric.

[0029] In some embodiments, a pressing line is sewn on the welt fabric on the side of the stitching line facing the adhesive strip, the pressing line is parallel to the stitching line and is 0.15 cm away from the stitching line, and further comprises:

[0030] The seam trimming process is performed, specifically: using scissors to trim the welt fabric between the pressing line and the second side line, and trimming the body fabric between the pressing line and the third side line.

[0031] In some embodiments, after the welt fabric and the adhesive strip are folded along the pressure line toward the reverse side of the body fabric, and the reverse side of the adhesive strip and the welt fabric are attached to the reverse side of the body fabric, the method further includes:

[0032] The adhesive strip and the welt fabric are ironed to achieve preliminary positioning.

[0033] Beneficial effects of the present invention:

[0034] The method for processing the welt of clothing provided by the present invention first sews the adhesive strip with the welt fabric, then sews the welt fabric to the body fabric, and finally fixes the adhesive strip to the reverse side of the body fabric by pressing and ironing. Compared with the traditional method of directly sticking the welt fabric to the body fabric through double-sided tape, the stability of the welt fabric in this embodiment is stronger, and the reverse side of the adhesive strip is in contact with the reverse side of the body fabric as a whole, avoiding the problem of the adhesive strip not adhering firmly to the smooth surface of the water-repellent fabric, that is, this process does not rely on the viscose properties of a specific fabric, but achieves a stable combination through sewing and pressing and fixing, which expands the scope of application and can be applied to various types of jacket fabrics, and is less likely to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0036] Figure 1 is a schematic diagram of the welt fabric and the adhesive strip after being sewn together according to an embodiment of the present invention;

[0037] Figure 2 is a schematic diagram of a body fabric provided by an embodiment of the present invention;

[0038] Figure 3 It is a schematic diagram of the welt fabric and the adhesive strip provided by the embodiment of the present invention being stacked on the body fabric;

[0039] Figure 4 is a schematic diagram of the welt fabric and the adhesive strip provided by the embodiment of the present invention after being folded along the seam line;

[0040] Figure 5 It is a schematic diagram of the welt fabric, the adhesive strip and the main body fabric after the pressing is completed provided by an embodiment of the present invention.

[0041] In the figure:

[0042] 1. Welt fabric; 11. First edge line; 12. Second edge line;

[0043] 2. Glue strip;

[0044] 3. Body fabric; 31. Third edge;

[0045] 10. Suture line; 20. Stitching line; 30. Pressing line. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0047] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0049] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or are the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0050] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0052] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0053] like Figure 1 to Figure 5 As shown, the method for processing the edge of clothing provided in this embodiment includes the following steps:

[0054] S1, fold one side of the welt fabric 1 toward its back to form a folded edge with uniform width; the folded edge is not shown in the figure, Figure 1 As an example, the width direction of the fold is along Figure 1 Left and right directions in

[0055] S2, partially overlap the glue strip 2 under the folded edge, and make the front side of the glue strip 2 fit the folded edge;

[0056] S3, sew the adhesive strip 2 and the edging fabric 1 together at the folded edge;

[0057] S4, sew the end of the welt fabric 1 away from the adhesive strip 2 to the body fabric 3, then fold the adhesive strip 2 and the welt fabric 1 toward the reverse side of the body fabric 3, and make the reverse side of the adhesive strip 2 and the reverse side of the welt fabric 1 fit the reverse side of the body fabric 3;

[0058] S5, pressing and ironing the adhesive strip 2 to the reverse side of the body fabric 3. At this point, the welt processing is completed.

[0059] It should be noted that in order to distinguish the front and back sides of each fabric, the surface with a filling pattern in the drawings represents the back side of the corresponding fabric, and the filling pattern does not mean that other structures are arranged on the surface of the fabric. Figure 3 The reverse side of the welt fabric 1 and the reverse side of the adhesive strip 2 are shown in FIG. Figure 5 The reverse side of the body fabric 3 is shown in FIG.

[0060] The method for processing the welt of clothing provided in this embodiment first sews the adhesive strip 2 with the welt fabric 1, then sews the welt fabric 1 to the body fabric 3, and finally fixes the adhesive strip 2 to the reverse side of the body fabric 3 by pressing and ironing. Compared with the traditional method of directly sticking the welt fabric 1 to the body fabric 3 by double-sided tape, the welt fabric 1 in this embodiment is more stable, and the reverse side of the adhesive strip 2 is in contact with the reverse side of the body fabric 3 as a whole, avoiding the problem of the adhesive strip 2 not adhering firmly to the smooth surface of the water-repellent fabric, that is, this process does not rely on the viscose properties of a specific fabric, but achieves a stable combination through sewing and pressing and fixing, which expands the scope of application, and can be applied to various types of jacket fabrics, and is less likely to fall off.

[0061] Optionally, the width of the folded edge is 0.5 cm to 1 cm. For example, the width of the folded edge can be 0.5 cm, 0.6 cm, 0.7 cm, 0.8 cm, 0.9 cm, or 1 cm, which is not specifically limited here.

[0062] Optionally, in the garment hem processing method provided in this embodiment, sewing is performed by machine sewing, which has high sewing accuracy and efficiency.

[0063] like Figure 1 As shown, in some embodiments, in step S3, when the adhesive strip 2 is sewn to the edging fabric 1 at the folded edge, the distance between the sewing line 10 and the first edge line 11 of the edging fabric 1 that is attached to the adhesive strip 2 is 0.15 cm. While ensuring that the sewing is firm, the flatness of the edge of the fabric can be guaranteed.

[0064] Further, step S2, partially stacking the glue strip 2 under the folded edge, and making the front side of the glue strip 2 fit the folded edge, specifically includes:

[0065] The width of each exposed portion of the glue strip 2 relative to the first edge line 11 is equal, which is 0.5 cm.

[0066] With such arrangement, the uniform exposed width of the glue strip 2 provides a clear alignment reference, so that the machine can sew along a constant distance during operation, thus avoiding the problem of the suture line 10 deviating from the designed position.

[0067] The width direction of the glue strip 2 is consistent with the width direction of the aforementioned folded edge, that is, along Figure 1 The left and right direction in .

[0068] In some embodiments, step S3, sewing the adhesive strip 2 and the edging fabric 1 at the folded edge, specifically includes:

[0069] When the adhesive strip 2 is sewn with the welt fabric 1, a copy paper is attached to the reverse side of the adhesive strip 2; after the adhesive strip 2 and the welt fabric 1 are sewn together, the copy paper is torn off.

[0070] Since the back side of the glue strip 2 is an adhesive-backed surface, when the glue strip 2 and the edging fabric 1 are sewn together, the adhesive-backed surface of the glue strip 2 may stick to the operating table and affect the sewing process. Therefore, a copy paper is attached to the back side of the glue strip 2, and the copy paper can ensure the smooth sewing of the glue strip 2 and the edging fabric 1.

[0071] In some embodiments, step S5, pressing the adhesive strip 2 to the reverse side of the body fabric 3, specifically includes:

[0072] During pressing, a hot and cold pressing machine is used to sequentially perform hot pressing and cold pressing on the adhesive strip 2, with the hot pressing temperature being 150°C, the hot pressing time being 13s, and the cold pressing time being 5s. The cold pressing temperature is usually close to room temperature, about 20°C to 30°C.

[0073] Such a configuration can ensure that the adhesive strip 2 is fully bonded to the body fabric 3. The hot pressing process provides sufficient temperature and time to make the adhesive layer of the adhesive strip 2 uniformly softened and firmly bonded to the body fabric 3, while the cold pressing process cools and solidifies the adhesive layer, further enhancing the bonding strength and preventing the adhesive layer from falling off or warping due to insufficient cooling.

[0074] Specifically, when executing step S5, pressing and ironing the adhesive strip 2 to the reverse side of the body fabric 3, the method further includes:

[0075] The area to be pressed is covered with white cotton cloth, which can prevent the fabric from showing aurora. After the pressing is completed, the white cotton cloth and the pressed fabric are removed in turn.

[0076] like Figure 3 to Figure 5 As shown, in some embodiments, step S4, sewing the end of the welt fabric 1 away from the adhesive strip 2 to the body fabric 3, then folding the adhesive strip 2 and the welt fabric 1 toward the reverse side of the body fabric 3, and making the reverse side of the adhesive strip 2 and the reverse side of the welt fabric 1 fit the reverse side of the body fabric 3, specifically includes:

[0077] S41, stacking the stitched glue strip 2 and the welt fabric 1 on the body fabric 3, so that the front sides of the stitched glue strip 2 and the welt fabric 1 are in contact with the front side of the body fabric 3, and the second side line 12 of the welt fabric 1 away from the glue strip 2 is overlapped with the third side line 31 of the body fabric 3;

[0078] S42, sewing the edging fabric 1 to the body fabric 3, wherein the stitching line 20 formed by the stitching is parallel to the second side line 12 and the distance from the second side line 12 is 1 cm to 2 cm;

[0079] S43, fold the glue strip 2 and the welt fabric 1 along the seam line 20 toward the second side line 12, so that the front side of the welt fabric 1 and the front side of the glue strip 2 are aligned with the front side of the body fabric 3; that is, Figure 3Fold the adhesive strip 2 and the edging fabric 1 to the right along the stitching line 20. Figure 4 As shown;

[0080] S44, on the welt fabric 1, sew a pressing line 30 on the side of the stitching line 20 facing the adhesive strip 2, the pressing line 30 is parallel to the stitching line 20 and the distance from the stitching line 20 is 0.15 cm;

[0081] S45, fold the welt fabric 1 and the adhesive strip 2 toward the reverse side of the body fabric 3 along the pressing line 30, and make the reverse side of the adhesive strip 2 and the welt fabric 1 fit the reverse side of the body fabric 3.

[0082] Through the specific steps of steps S41 to S45, the stitching process of the welt fabric 1 and the body fabric 3 is optimized and designed. By folding and sewing twice, the stability of the welt fabric 1 fixed to the body fabric 3 is improved.

[0083] Further, step S44, after sewing a pressing line 30 on the side of the stitching line 20 facing the adhesive strip 2 on the welt fabric 1, wherein the pressing line 30 is parallel to the stitching line 20 and the distance from the stitching line 20 is 0.15 cm, further includes:

[0084] The seam trimming process is performed, specifically: trimming the edge fabric 1 between the pressing line 30 and the second side line 12 and trimming the body fabric 3 between the pressing line 30 and the third side line 31 by using scissors.

[0085] Such an arrangement is conducive to ensuring the overall flatness of the edge structure.

[0086] Step S45, after folding the welt fabric 1 and the adhesive strip 2 toward the reverse side of the body fabric 3 along the pressing line 30 and making the reverse side of the adhesive strip 2 and the welt fabric 1 fit the reverse side of the body fabric 3, the method further includes:

[0087] The adhesive strip 2 and the edging fabric 1 are ironed to perform preliminary positioning. That is, before ironing with the ironing machine, preliminary positioning is performed with the iron to eliminate local wrinkles and edge warping that may occur during the folding process, providing a smoother foundation for subsequent ironing.

[0088] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A method for processing the edge of clothing, characterized in that: The steps include: Folding one side of the welt fabric (1) toward its reverse side to form a folded edge with uniform width; Partially overlap the glue strip (2) below the folded edge, and make the front side of the glue strip (2) fit the folded edge; At the folded edge, the glue strip (2) is sewn together with the edge facing fabric (1); The end of the welt fabric (1) away from the glue strip (2) is sewn to the body fabric (3), and then the glue strip (2) and the welt fabric (1) are folded toward the reverse side of the body fabric (3), and the reverse side of the glue strip (2) and the reverse side of the welt fabric (1) are made to fit the reverse side of the body fabric (3); The adhesive strip (2) is pressed onto the reverse side of the body fabric (3).

2. The method for processing the edge of clothing according to claim 1, characterized in that: When the glue strip (2) and the welt fabric (1) are sewn together at the folded edge, the distance between the sewing line (10) and the first edge line (11) of the welt fabric (1) that is in contact with the glue strip (2) is 0.15 cm.

3. The method for processing the edge of clothing according to claim 2, characterized in that: The glue strip (2) is partially overlapped below the folded edge, and the front side of the glue strip (2) is attached to the folded edge, specifically comprising: The width of each exposed portion of the glue strip (2) relative to the first edge line (11) is equal, and is 0.5 cm.

4. The method for processing the edge of clothing according to claim 1, characterized in that: At the folded edge, the glue strip (2) is sewn together with the edge facing fabric (1), specifically comprising: When the glue strip (2) is sewn together with the welt fabric (1), a copy paper is attached to the reverse side of the glue strip (2); after the glue strip (2) and the welt fabric (1) are sewn together, the copy paper is torn off.

5. The method for processing the edge of clothing according to claim 1, characterized in that: Pressing the adhesive strip (2) onto the reverse side of the body fabric (3) specifically comprises: During the pressing process, a hot and cold pressing machine is used to sequentially perform hot pressing and cold pressing on the glue strip (2), the hot pressing temperature is 150° C., the hot pressing time is 13 seconds, and the cold pressing time is 5 seconds.

6. The method for processing the edge of clothing according to claim 5, characterized in that: The adhesive strip (2) is pressed onto the reverse side of the body fabric (3), and further comprising: The position to be pressed is covered with white cotton cloth.

7. The method for processing the edge of clothing according to claim 1, characterized in that: The width of the folded edge is 0.5 cm to 1 cm.

8. The method for processing the edge of clothing according to any one of claims 1 to 7, characterized in that: The end of the welt fabric (1) away from the glue strip (2) is sewn to the body fabric (3), and then the glue strip (2) and the welt fabric (1) are folded toward the reverse side of the body fabric (3), and the reverse side of the glue strip (2) and the reverse side of the welt fabric (1) are made to fit the reverse side of the body fabric (3), specifically comprising: The glued strip (2) and the welt fabric (1) are stacked on top of the body fabric (3) so that the front sides of the glued strip (2) and the welt fabric (1) are in contact with the front side of the body fabric (3), and the second side line (12) of the welt fabric (1) away from the glued strip (2) is overlapped with the third side line (31) of the body fabric (3); The welt fabric (1) is sewn to the body fabric (3), wherein the seam line (20) formed by the sewing is parallel to the second side line (12) and the distance from the second side line (12) is 1 cm to 2 cm; The glue strip (2) and the welt fabric (1) are folded along the seam line (20) toward one side of the second edge line (12), so that the front side of the welt fabric (1) and the front side of the glue strip (2) are aligned with the front side of the body fabric (3); A pressing line (30) is sewn on the welt fabric (1) on the side of the stitching line (20) facing the glue strip (2), wherein the pressing line (30) is parallel to the stitching line (20) and is 0.15 cm away from the stitching line (20); The edging fabric (1) and the glue strip (2) are folded along the pressing line (30) toward the reverse side of the body fabric (3), and the reverse side of the glue strip (2) and the edging fabric (1) are made to fit the reverse side of the body fabric (3).

9. The method for processing the edge of clothing according to claim 8, characterized in that: On the welt fabric (1), a pressing line (30) is sewn on the side of the stitching line (20) facing the glue strip (2), the pressing line (30) is parallel to the stitching line (20) and the distance from the stitching line (20) is 0.15 cm, and further comprises: The seam trimming process is performed, specifically, by using scissors to trim the welt fabric (1) between the pressing line (30) and the second edge line (12), and trimming the body fabric (3) between the pressing line (30) and the third edge line (31).

10. The method for processing the edge of clothing according to claim 8, characterized in that: After the welt fabric (1) and the adhesive strip (2) are folded along the pressing line (30) toward the reverse side of the body fabric (3), and the reverse side of the adhesive strip (2) and the welt fabric (1) are attached to the reverse side of the body fabric (3), the method further comprises: The adhesive strip (2) and the welt fabric (1) are ironed to achieve preliminary positioning.

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