Clothing side seam pocket opening sewing process

Abstract

According to the garment side seam pocket opening sewing technology, by adjusting the sewing technology, side pockets are made to support and shape side seam positions on the inner side of a trouser body, the straightness of side seams is effectively improved, and the comfort is higher when the garment is worn next to the skin. The technological process only needs flat sewing and overlocking operation and can be completed by means of a flat machine, the steps of replacing a presser foot, adjusting parameters and the like are not needed, the operation threshold is effectively lowered, the production efficiency of side seam bag opening is improved, and the defective rate is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of casual trousers, in particular to a sewing process for side-seam pockets of clothing. Background Art

[0002] For casual trousers, a single-line pressed pocket-sewing process is often used for sewing side pockets: after the pocket fabrics are joined to form a side pocket, the side pocket and the front hem are hemmed together, and single lines are sewn respectively at the upper and lower ends of the pocket mouth of the pocket fabric, and backstitching is used for fixation at the end of the sewn line. Then, a single line is sewn on the back piece, and bar tacks are made at the upper and lower ends of the pocket mouth. The above process has many steps, slow operation, and low production efficiency. At the same time, since the front hem and the side pocket are hemmed together, the side seam is prone to twist together with the side pocket due to friction during wearing, resulting in phenomena such as the pocket mouth bulging, the pocket fabric turning outwards unevenly, etc., making the pocket mouth look wrinkled and loose.

[0003] To improve the texture of casual trousers and optimize the phenomena of loose and bulging pocket mouths, a side-seam pocket-opening process with straight side seams is urgently needed. Summary of the Invention

[0004] The purpose of the present invention is to solve the existing technical problems and propose a sewing process for side-seam pockets of clothing.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: A sewing process for side-seam pockets of clothing, the sewing process includes the following steps:

[0006] Step 1: (1) Pretreatment of the side pocket: The front pocket fabric and the back pocket fabric are placed with their linings facing each other and sewn by machine to form a side pocket; the three sides of the front pocket fabric and the back pocket fabric are connected by a fixed stitch, and the remaining side is an open edge with a pocket mouth left on the open edge; the open edge of the front pocket fabric is parallel to the open edge of the back pocket fabric, and the back pocket fabric is wider than the front pocket fabric, so that there is an adjustment area with a width of 1-2 cm between the open edge of the back pocket fabric and the open edge of the front pocket fabric. A pre-fold mark parallel to the open edge of the front pocket fabric is also preset on the front pocket fabric;

[0007] (2) Pretreatment of the main body: The front piece and the back piece of the main body are placed with their faces facing each other and sewn flat along the side seam to form a trouser body with a pocket-opening position; a front hem is reserved between the edge of the front piece of the main body and the side-seam position, and a back hem is reserved between the edge of the back piece of the main body and the side-seam position;

[0008] Step 2: First, the open edge of the front pocket fabric and the front hem are placed with their faces facing each other and sewn flat for fixation; then, the front hem together with the open edge of the front pocket fabric is folded inwards towards the inside of the front piece of the main body, and then the front pocket fabric is folded along the pre-fold mark so that the pre-fold mark is aligned with the side seam, and the front pocket fabric is located between the front piece of the main body and the back pocket fabric, and the front hem and the front pocket fabric are sewn to the inside of the front piece of the main body through a first sewing thread, and the first sewing thread forms a visible pocket-mouth line on the front side of the front piece of the main body;

[0009] Step 3: Oppose the inner side of the open edge of the back pocket cloth to the front side of the back fold edge, and fix it by flat sewing to form the first stitch line.

[0010] Step 4: Sew the remaining part of the front fold edge to the inner side of the front body panel through the third sewing thread, and the third sewing thread forms the second stitch line on the front side of the front body panel; sew the back fold edge to the inner side of the back body panel through the fourth sewing thread, and the fourth sewing thread forms the third stitch line on the front side of the back body panel.

[0011] Preferably, the widths of both the front fold edge and the back fold edge are not less than 0.8 cm.

[0012] Preferably, (1) further includes first turning the two ends of the open edge of the front pocket cloth to the front side to form a turning angle, overlapping the turning angle with the adjacent side, and sewing and fixing them together inside the binding thread; the open edge of the front pocket cloth and the open edge of the back pocket cloth are not completely connected by a pre-stitch line, the pre-stitch line is arranged along the length direction of the open edge of the front pocket cloth, and the pre-stitch line is located on the side of the turning angle away from the open edge of the back pocket cloth.

[0013] Preferably, the topstitch of the pocket mouth includes a first pocket mouth stitch line and a second pocket mouth stitch line. The first pocket mouth stitch line is parallel to the side seam, and the distance between the first pocket mouth stitch line and the side seam is 0.4 - 0.8 cm. The second pocket mouth stitch line extends in the weft direction from the end point of the first pocket mouth stitch line until it meets the side seam.

[0014] Preferably, the second pocket mouth stitch line is reinforced and formed by a bartack thread, and the second pocket mouth stitch line is connected to the pre-stitch line.

[0015] Preferably, the second stitch line and the extension line of the first pocket mouth stitch line are on the same straight line.

[0016] Preferably, the pre-crease mark and the pre-stitch line are on the same straight line.

[0017] The beneficial effects of the present invention are: Through the adjustment of the sewing process, the side pocket supports and shapes the side seam position inside the trouser body, effectively improving the straightness of the side seam, and the comfort of wearing close to the body is stronger; the process flow only requires flat sewing and overcasting operations, which can be completed by relying on a flatbed sewing machine, without steps such as changing the presser foot and adjusting parameters, effectively reducing the operation threshold, improving the production efficiency of the side seam pocket opening, and reducing the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the finished trouser body structure (front side) prepared by the process of the present invention;

[0019] Figure 2 Schematic diagram of the finished trouser body structure (inside) prepared by the process of the present invention;

[0020] Figure 3 Schematic diagram of the side pocket structure prepared in Step 1 of the present invention;

[0021] Figure 4 Sewing schematic diagram for step 2 of the present invention Figure 1 ;

[0022] Figure 5 Sewing schematic diagram for step 2 of the present invention Figure 2 ;

[0023] Figure 6 Sewing schematic diagram for step 3 of the present invention;

[0024] Figure 7 Schematic diagram of the side seam pocket-opening pants hierarchical structure (at the pocket opening) obtained by the process of the present invention. Detailed implementation manners

[0025] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0026] Combined with the embodiments and the attached Figures 1-7 , a side seam pocket-opening sewing process for clothing, the sewing process includes the following steps:

[0027] Step 1: (1) Pretreatment of the side pocket: Stack the front pocket cloth 1 and the back pocket cloth 2 with their inner sides facing each other, and sew them to form a side pocket through sewing; Three sides of the front pocket cloth 1 and the back pocket cloth 2 are connected by a fixed stitch 5, and the remaining side is an open side with a pocket opening left on the open side; The open side 10 of the front pocket cloth is parallel to the open side 20 of the back pocket cloth, and the back pocket cloth 2 is wider than the front pocket cloth 1, so that there is an adjustment area with a width of 1-2 cm between the open side 20 of the back pocket cloth and the open side 10 of the front pocket cloth. A pre-fold line parallel to the open side 10 of the front pocket cloth is also preset on the front pocket cloth 1;

[0028] Further, the fixed stitch 5 in (1) is formed by threading an overlock stitch. When the side pocket is overlocked, the back pocket cloth 2 is stacked on top of the front pocket cloth 1;

[0029] (1) also includes first turning the two ends of the open side 10 of the front pocket cloth towards the face side to form a folding angle 101. The folding angle 101 overlaps with the adjacent side and is sewn and fixed together inside the overlock stitch; The open side 10 of the front pocket cloth and the open side 20 of the back pocket cloth are not completely connected by a pre-sewing stitch 6. The pre-sewing stitch 6 is arranged along the length direction of the open side 10 of the front pocket cloth, and the pre-sewing stitch 6 is located on the side of the folding angle 101 away from the open side 20 of the back pocket cloth; The pre-fold line and the pre-sewing stitch 6 are on the same straight line;

[0030] (2) Pretreatment of the main body: Stack the front body piece 3 and the back body piece 4 of the main body with their front sides facing each other, and sew them flat along the side seam part to form a trouser body with a pocket-opening position 810; A front folding edge 30 is reserved between the edge of the front body piece and the side seam position, and a back folding edge 40 is reserved between the edge of the back body piece and the side seam position;

[0031] Step 2: First, place the open edge 10 of the front pocket fabric and the front folded edge 30 face to face and fix them by flat sewing; then, turn the front folded edge 30 together with the open edge 10 of the front pocket fabric to the inside of the front body panel 3, and then fold the front pocket fabric 1 along the pre-fold line so that the pre-fold line is aligned with the side seam 81, and the front pocket fabric 1 is located between the front body panel 3 and the rear pocket fabric 2. At this time, the front side of the front pocket fabric 1 is facing up, and the front folded edge 30 and the front pocket fabric 1 are sewn to the inside of the front body panel 3 through the first sewing thread, and the first sewing thread forms a visible pocket edge line on the front side of the front body panel 3;

[0032] Step 3: Place the inside of the open edge 20 of the rear pocket fabric opposite to the front side of the rear folded edge 40 and fix them by flat sewing to form the first stitch line 91;

[0033] Step 4: Sew the remaining part of the front folded edge 30 to the inside of the front body panel through the third sewing thread, and the third sewing thread forms the second stitch line 92 on the front side of the front body panel; sew the rear folded edge 40 to the inside of the rear body panel through the fourth sewing thread, and the fourth sewing thread forms the third stitch line 93 on the front side of the rear body panel.

[0034] The overall open pocket sewing process adopts an open seam treatment, with a thinner side seam and no obvious bone position feeling, providing strong comfort for close-fitting wear; through pattern modification, structural adjustment of the sewing thread and folded edge, and order optimization, the overall sewing process only requires stitching and overlocking operations, eliminating the equipment adjustment link, reducing the operation threshold, and effectively improving the production efficiency of the workshop. For the manufactured trouser body, the open edge of the rear pocket is misaligned with the pocket opening, avoiding the arching of the pocket opening and the turning out of the pocket fabric caused by friction, and effectively improving the flat appearance of the front side of the trousers.

[0035] A side seam open pocket sewing process for clothing, the adjustment area is formed by cutting the pattern, and the side pocket pattern is wider at the front open side than at the rear open side, saving the trimming operation during flat car processing.

[0036] A side seam open pocket sewing process for clothing, the widths of the front folded edge 30 and the rear folded edge 40 are both not less than 0.8 cm.

[0037] A side seam open pocket sewing process for clothing, the visible pocket edge line includes the first pocket edge stitch line 71 and the second pocket edge stitch line 72. The first pocket edge stitch line 71 is parallel to the side seam, and the distance between the first pocket edge stitch line 71 and the side seam is 0.4 - 0.8 cm. The second pocket edge stitch line 72 extends in the weft direction from the end point of the first pocket edge stitch line 71 until it meets the side seam 81.

[0038] A side seam open pocket sewing process for clothing, the second pocket edge stitch line 72 is formed by strengthening with a bar tacking thread, and the second pocket edge stitch line 72 is connected to the pre-sewing stitch line 6.

[0039] A side seam open pocket sewing process for clothing, the second stitch line 92 and the extension line of the first pocket edge stitch line 71 are on the same straight line.

[0040] Furthermore, the large front panel 3 and the large back panel 4 can be knitted fabric or woven fabric.

[0041] As mentioned above, the above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A sewing process for side seam pockets of clothing, characterized in that, The sewing process includes the following steps: Step 1: (1) Pretreatment of the side pocket: The front pocket fabric and the back pocket fabric are placed face to face and sewn to form a side pocket; three sides of the front pocket fabric and the back pocket fabric are connected by a fixed stitch, and the remaining side is an open edge with a pocket mouth left on it; the open edges of the front pocket fabric and the back pocket fabric are parallel to each other, and the back pocket fabric is wider than the front pocket fabric, so that there is an adjustment area with a width of 1 - 2 cm between the open edge of the back pocket fabric and the open edge of the front pocket fabric. A pre - crease parallel to the open edge of the front pocket fabric is also preset on the front pocket fabric. (2) Pretreatment of the main body: The front part of the main body and the back part of the main body are placed face to face and sewn flat along the side seam to form a trouser body with a pocket opening position; a front hem is reserved between the edge of the front part of the main body and the side seam position, and a back hem is reserved between the edge of the back part of the main body and the side seam position. Step 2: First, the open edge of the front pocket fabric and the front hem are placed face to face and sewn flat and fixed; then the front hem together with the open edge of the front pocket fabric is turned over to the inner side of the front part of the main body, and then the front pocket fabric is turned over along the pre - crease so that the pre - crease is aligned with the side seam, and the front pocket fabric is located between the front part of the main body and the back pocket fabric, and the front hem and the front pocket fabric are sewn to the inner side of the front part of the main body through the first stitch, and the first stitch forms a visible pocket mouth stitch on the front side of the front part of the main body. Step 3: The inner side of the open edge of the back pocket fabric and the front side of the back hem are placed opposite to each other and sewn flat and fixed to form a first stitch line. Step 4: The remaining part of the front hem is sewn to the inner side of the front part of the main body through the third stitch, and the third stitch forms a second stitch line on the front side of the front part of the main body; the back hem is sewn to the inner side of the back part of the main body through the fourth stitch, and the fourth stitch forms a third stitch line on the front side of the back part of the main body.

2. The sewing process for side seam pockets of a garment according to claim 1, characterized in that: The widths of both the front hem and the back hem are not less than 0.8 cm.

3. A sewing process for side seam pockets of clothing according to claim 1, characterized in that: (1) also includes first turning the two ends of the open edge of the front pocket fabric to the front side to form folding angles, the folding angles overlapping with the adjacent sides and being sewn and fixed together inside the binding line; the open edges of the front pocket fabric and the back pocket fabric are not completely connected by a pre - stitch line, the pre - stitch line is arranged along the length direction of the open edge of the front pocket fabric, and the pre - stitch line is located on the side of the folding angle away from the open edge of the back pocket fabric.

4. A sewing process for side seam pockets of clothing according to claim 3, characterized in that: The visible pocket mouth stitch includes a first pocket mouth stitch line and a second pocket mouth stitch line. The first pocket mouth stitch line is parallel to the side seam, and the distance between the first pocket mouth stitch line and the side seam is 0.4 - 0.8 cm. The second pocket mouth stitch line extends in the weft direction starting from the end point of the first pocket mouth stitch line until it meets the side seam.

5. A sewing process for side seam pockets of clothing according to claim 4, characterized in that: The second pocket mouth stitch line is reinforced and formed by a bar - tacking stitch, and the second pocket mouth stitch line is connected to the pre - stitch line.

6. A side seam pocket sewing process for clothing according to claim 3, characterized in that: The second stitch line and the extension line of the first pocket mouth stitch line are on the same straight line.

7. A sewing process for side seam pockets of clothing according to claim 3, characterized in that: The pre - crease and the pre - stitch line are on the same straight line.

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