Processing method and processing device

Abstract

To provide a treatment method capable of favorably performing surface treatment of a fabric, and a treatment apparatus.SOLUTION: A treatment method includes: a process of preparing a vibration-applying part provided with a touching member having a basal part, and a plurality of protruding parts disposed so as to protrude from the basal part for touching a fabric, and a vibration-generating source for applying vibration to the touching member; and a vibration-applying process of applying vibration to the fabric through the protruding parts by driving the vibration-generating source so that the protruding parts vibrate in such a state that the protruding parts touch the fabric.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a processing method and a processing device. [Background technology]

[0002] For example, as shown in Patent Document 1, a textile printing method is known in which ink is dropped onto fabric or the like to perform printing. The fabric after textile printing tends to lose its original texture and quality, and improvements in this area are desired. Texture refers to the texture of the fabric, such as the feel to the touch and the touch to the skin.

[0003] In the printing method described in Patent Document 1, specific parts of the fabric are heat-treated before printing to enhance the texture after printing. However, the method is not limited to this heat treatment, and other physical treatments such as rubbing the surface of the fabric with a brush to roughen it are also possible. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-11466 Summary of the Invention [Problem to be solved by the invention]

[0005] However, such methods may not always provide a good texture, and further improvement in the texture of fabrics is desired. [Means for solving the problem]

[0006] The processing method of the present invention includes the steps of: preparing a vibration applying unit including a base, a contact member having a plurality of protrusions protruding from the base and adapted to contact the fabric, and a vibration generating source that applies vibration to the contact member; and a vibration imparting step of driving the vibration generating source so that the protrusion vibrates while the protrusion is in contact with the fabric, thereby imparting vibration to the fabric via the protrusion.

[0007] The processing device of the present invention includes a conveying unit that conveys fabric; The device is characterized by comprising a base, a contact member protruding from the base and having a plurality of protrusions that contact the fabric being transported by the transport unit, and a vibration imparting unit that comprises a vibration generating source that imparts vibration to the contact member. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a schematic diagram of a first embodiment of a processing apparatus for carrying out a processing method of the present invention. [Figure 2] FIG. 2 is a schematic diagram of a second embodiment of a processing apparatus for carrying out the processing method of the present invention. [Figure 3] FIG. 3 is a schematic diagram of a third embodiment of a processing apparatus for carrying out the processing method of the present invention. [Figure 4] FIG. 4 is a schematic diagram of a fourth embodiment of a processing apparatus for carrying out the processing method of the present invention. [Figure 5] FIG. 5 is a schematic diagram of a fifth embodiment of a processing apparatus for carrying out the processing method of the present invention. [Figure 6] FIG. 6 is a schematic diagram showing a modified example of a processing apparatus for carrying out the processing method of the present invention. [Figure 7] FIG. 7 is a schematic diagram showing a modified example of the processing apparatus for carrying out the processing method of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A processing method and a processing apparatus according to the present invention will be described in detail below based on preferred embodiments shown in the accompanying drawings.

[0010] First Embodiment FIG. 1 is a schematic diagram of a first embodiment of a processing apparatus for carrying out a processing method of the present invention. 1 (similarly for FIGS. 2 to 7), the upper side is referred to as "upper" or "top," and the lower side is referred to as "lower" or "bottom." In addition, in FIG. 1, the left side is the upstream side in the conveyance direction of the fabric 100, and the right side is the downstream side in the conveyance direction of the fabric 100.

[0011] The processing device 1 shown in FIG. 1 is used to carry out the processing method of the present invention. In this specification, "processing" or "surface processing" refers to at least one process selected from bending, beating, stretching, and rubbing of the fabric 100. Rubbing is also called raising. By carrying out such a process, the texture after printing can be improved. The processing in this embodiment mainly corresponds to stretching and rubbing. Bending and beating will be described in detail in the fifth embodiment.

[0012] The treatment method of the present invention is carried out on fabrics. The fibers constituting the fabric are not particularly limited, but examples thereof include natural fibers such as cotton, linen, wool, and silk, synthetic fibers such as polypropylene, polyester, acetate, triacetate, polyamide, and polyurethane, biodegradable fibers such as polylactic acid, and blends thereof.

[0013] The fabric may be any of the above-mentioned fibers in the form of woven fabric, knitted fabric, nonwoven fabric, etc. The basis weight of the fabric used in this embodiment is not particularly limited, but may be, for example, 1.0 oz or more and 10.0 oz or less, preferably 2.0 oz or more and 9.0 oz or less, more preferably 3.0 oz or more and 8.0 oz or less, and even more preferably 4.0 oz or more and 7.0 oz or less. When the basis weight of the fabric is within this range, good recording can be performed.

[0014] Examples of the form of the fabric in this embodiment include fabric, clothing, and other accessories. Examples of fabric include woven fabric, knitted fabric, and nonwoven fabric. Examples of clothing and other accessories include sewn T-shirts, handkerchiefs, scarves, towels, carrier bags, cloth bags, furniture such as curtains, sheets, bedspreads, and wallpaper, as well as fabrics before and after cutting as parts before sewing. These may be in the form of a long roll, cut to a specified size, or in the shape of a finished product. Note that the fabric may be pre-applied with a treatment liquid.

[0015] The fabric may be one that has been pre-colored with a coloring material. Examples of coloring materials for pre-coloring fabrics include water-soluble dyes such as pigments, acid dyes, and basic dyes, disperse dyes used in combination with dispersants, and reactive dyes. When cotton fabrics are used, it is preferable to use reactive dyes or pigments suitable for dyeing cotton. Pigments are preferred because they can be used to color a relatively wide variety of fabrics. Fabrics colored with pigments tend to lose their texture due to the large amount of solid content present on the surface of the fabric. However, by carrying out the treatment method of the present invention, the texture can be improved and brought closer to the original texture of the fabric.

[0016] As shown in FIG. 1, the processing device 1 includes a transport unit 2, a vibration applying unit 3, and a control unit 4 that controls the operations of these units.

[0017] Conveying section 2 has first conveying section 21 and second conveying section 22 that convey the fabric (hereinafter referred to as "fabric 100").

[0018] First conveying section 21 is located upstream of contact member 31 of vibration applying section 3 in the conveying direction of fabric 100. First conveying section 21 has a driving roller 211 and a driven roller 212 arranged across the thickness of fabric 100. Driving roller 211 is electrically connected to control section 4 via a motor (not shown). Control section 4 can adjust the rotation speed of driving roller 211, i.e., the conveying speed, by controlling the conditions for supplying electricity to the motor.

[0019] The driven roller 212 rotates while coming into contact with the fabric 100 being conveyed by the rotation of the driving roller 211. With this first conveying section 21, the fabric 100 can be stably conveyed from the upstream side to the downstream side.

[0020] Second conveying section 22 is located downstream of contact member 31 in the conveying direction of fabric 100. Second conveying section 22 has a driving roller 221 and a driven roller 222 arranged across the thickness of fabric 100. Driving roller 221 is electrically connected to control unit 4 via a motor (not shown). Control unit 4 can adjust the rotation speed of driving roller 221, i.e., the conveying speed, by controlling the conditions for supplying electricity to the motor.

[0021] The driven roller 222 rotates while coming into contact with the fabric 100 being transported by the rotation of the driving roller 221. With this second transport section 22, the fabric 100 can be stably transported from the upstream side to the downstream side.

[0022] Furthermore, by adjusting the rotation speed of the driven roller 211 and the driven roller 221, the tension of the fabric 100 being conveyed can be adjusted.

[0023] The tension in the conveying direction of the fabric 100 can be adjusted by monitoring the shaft torque by connecting a transducer to the rotation shaft of the driven roller 211 and the driven roller 221 and adjusting the shaft torque. By adjusting the tension in the conveying direction of the fabric 100 to an appropriate value, the fabric 100 to which vibration is transmitted can resonate. Therefore, the texture quality of the fabric 100 can be effectively improved.

[0024] Furthermore, the tension in the direction intersecting the conveying direction of the fabric 100, i.e., the width direction of the fabric 100, can be adjusted by using an inverted crown roller with a concave downward motion, a roller with a helical structure arranged symmetrically inclined from the center, or an expander roller that conveys the fabric 100 in a curved shape toward the outside. By adjusting the tension in the width direction of the fabric 100 to an appropriate value, the fabric 100 to which vibrations are transmitted can resonate. Therefore, the texture quality of the fabric 100 can be effectively improved.

[0025] The vibration applying unit 3 has two contact members 31 and two vibration generating sources 32. The vibration applying unit 3 has a function of applying vibration to the fabric 100 being conveyed. This allows the surface of the fabric 100 to be treated. In this embodiment, the treatment mainly refers to a treatment that generates the phenomena of stretching and rubbing.

[0026] The extension means the following: A relatively large tension is applied to the fabric 100, and at the same time, a small period, large amplitude vibration is applied to the contact member 35 with the back surface of the fabric 100 in contact with the protrusion 352 of the contact member 35. At this time, due to the influence of the relatively large tension acting on the fabric 100, the fabric 100 repeats stretching and relaxation actions according to the phase of the protrusion 352. The fiber bundles that make up the fabric 100 repeat stretching and contracting actions with the protrusion 352 as a fulcrum, and this allows for the formation of minute embossed residual strain in the non-stretchable fabric 100. The minute embossed residual strain has the effect of improving the bulkiness of the non-stretchable fabric, and efficiently stretches the fabric. It is preferable that protrusions 352 have a very small area, approximately the same as the weave period of the fibers of fabric 100 or less than 10 times the weave period, and furthermore, they have a curved or planar shape that does not penetrate the fibers of the fabric or cut the fibers of fabric 100 and is therefore less likely to cause stress concentration.

[0027] Furthermore, the term "rubbing" refers to the following: A predetermined tension is applied to the fabric 100, and at the same time, vibrations are applied to the vibration transmission member with the surface of the fabric 100 in contact with the protrusions 352 of the contact member 35, causing the fibers of the fabric 100 to fluff with the protrusions 352. This process is called rubbing. The fluffing of the fibers gives the fabric a good texture.

[0028] Protrusions 352 are preferably brush-shaped with a minute outer diameter that is approximately the same as or smaller than the weave period of the fibers of fabric 100, and further, brush-shaped protrusions 352 preferably have an appropriate Young's modulus that makes it difficult for them to penetrate the fibers of fabric 100. This prevents protrusions 352 from penetrating the fabric, allowing them to maintain contact with fabric 100 and effectively transmit vibration energy.

[0029] In this embodiment, the contact members 31 are arranged on both sides of the conveyed fabric 100 in the thickness direction. Since the contact members 31 have the same configuration except for their positions, one of the contact members 31 will be representatively described below.

[0030] In this embodiment, the contact member 31 is configured as a brush, and has a base 311 and a plurality of protrusions 312 protruding from the base 311. In this embodiment, the base 311 is configured as a cylindrical member. The base 311 is connected to a motor (not shown), and the rotational force of the motor is transmitted to the base 311, causing it to rotate in the direction of the arrow in FIG.

[0031] 1 rotates in the opposite direction to the driven rollers 211 and 221, which are located above the fabric 100 in FIG. 1. Also, the base 311, which is located below the fabric 100 in FIG. 1, rotates in the opposite direction to the driven rollers 212 and 222, which are located below the fabric 100 in FIG. 1. This configuration allows the fabric 100 to be processed more effectively.

[0032] Each of the protrusions 312 has an elastic linear or rod-like shape. The protrusions 312 may have the same length or different lengths. The material of the protrusions 312 is not particularly limited, and examples thereof include various resin materials and various metal materials. From the viewpoint of achieving good fluffing, it is preferable to use a metal material. The metal material is not particularly limited, but brass, steel, stainless steel, etc. can be suitably used. When steel is used, fluffing can be more reliably achieved. When the fabric 100 is colored with a pigment, using brass allows fluffing while minimizing damage to the colored portions.

[0033] Specifically, when the area of ​​the portion of the surface of base 311 where protrusions 312 are provided is S1 and the area of ​​the portion where protrusions 312 are not provided is S2, S2 / S1 is preferably 1 or more and 100 or less, and more preferably 1.2 or more and 90 or less. This allows the surface treatment of fabric 100 to be performed more effectively.

[0034] The average outer diameter of the protrusions 312 is preferably 0.05 mm or more and 5 mm or less, more preferably 0.1 mm or more and 4 mm or less, and even more preferably 0.1 mm or more and 0.4 mm or less. This ensures a sufficient contact area between the protrusions 312 and the fabric 100, and allows for more effective surface treatment of the fabric 100. In particular, the effect of fluffing the fabric 100 is easily achieved, resulting in a good texture due to the raised feel.

[0035] The Young's modulus of the protrusion 312 is 10 0G Pa or more 25 0G Preferably, the pressure is 12 Pa or less. 0G Pa or more 23 0G It is more preferable that the Young's modulus is equal to or less than 100 Pa. This ensures a sufficient Young's modulus for protrusions 312, and therefore, with appropriate elasticity, the surface treatment of fabric 100 can be more effectively carried out. In particular, the effect of fluffing fabric 100 is easily obtained, and the texture due to the raised feel is improved.

[0036] Furthermore, it is preferable that the protrusions 352 are fixed relative to the conveyance direction of the fabric 100 or move at different conveyance speeds, i.e., have a speed difference relative to the fabric 100. As the contact portions of the protrusions 352 with the fabric 100 repeatedly rub against each other, the protrusions 352 cause disruption of the alignment of parallel fibers, displacement of the intersecting fiber bundles, and partial structural destruction of the fibers. In particular, by making the average outer diameter and Young's modulus of the protrusions 352 relatively large, the effect of promoting partial structural destruction of the fibers is enhanced. By repeatedly cutting the fibers partially and raising the cut fibers, it is possible to form a raised state on the surface of the fabric 100, which can efficiently improve the texture of the fabric.

[0037] The vibration generating source 32 has a vibrator 321 (not shown) that generates vibrations. The vibrator 321 is electrically connected to the control unit 4. The control unit 4 controls the conditions for supplying electricity to the vibrator 321, thereby controlling the vibration of the vibrator 321.

[0038] Vibration generating source 32 also has vibration transmission member 322. Vibration transmission member 322 is made of a rigid body, connects a housing containing vibrator 321 to base 311 of contact member 31, and transmits vibrations generated by vibrator 321 to contact member 31. This allows vibrations to be transmitted to fabric 100 via contact member 31.

[0039] The amplitude of the vibration is preferably 0.1 mm or more and 100 mm or less, and more preferably 0.2 mm or more and 80 mm or less, so that the surface treatment of the fabric 100 can be carried out more effectively.

[0040] The frequency of the vibration is preferably 10 Hz or more and 10,000 Hz or less, and more preferably 100 Hz or more and 2,000 Hz or less, which allows the surface treatment of the fabric 100 to be carried out more effectively.

[0041] Furthermore, it is preferable that the vibration transmitted to fabric 100 contains a component along the thickness direction of fabric 100 during transport, which allows the surface treatment to be carried out more effectively.

[0042] Furthermore, it is preferable that the vibration transmitted to fabric 100 contains a component along the transport direction of fabric 100 during transport, which allows the surface treatment to be carried out more effectively.

[0043] Furthermore, it is preferable that the vibration transmitted to the fabric 100 includes a component in a direction intersecting the conveying direction of the fabric 100 during conveyance, i.e., a component along the width direction of the fabric 100 during conveyance. This allows for better surface treatment.

[0044] The control unit 4 independently controls the operation of each part of the transport unit 2 and the vibration generating source 32. The control unit 4 includes, for example, a CPU as a processor, RAM, and ROM in which programs are stored. The functions of the control unit 4 can be realized, for example, by the CPU executing various programs.

[0045] Here, in order to improve the texture of the fabric 100 after printing, it is effective to perform a treatment such as a fluffing treatment. The treatment method of the present invention can restore the texture that is damaged by the adhesion of solids to the fabric during printing. Conventionally, this treatment has been performed using heat treatment, chemical treatment, etc. It is also possible to perform a treatment to improve the texture by fluffing the fabric by pressing or rubbing it with a brush, etc. However, such a method may result in insufficient fluffing, and may not be able to improve the texture. Therefore, the treatment device 1 of the present invention is configured as follows.

[0046] The processing device 1 includes a conveying unit 2 that conveys the fabric 100, a base 311, a contact member 31 that protrudes from the base 311 and has a plurality of protrusions 312 that contact the fabric 100 being conveyed by the conveying unit 2, and a vibration applying unit 3 that includes a vibration generating source 32 that applies vibrations to the contact member 31. This allows for good surface treatment of the fabric 100. This improves the texture of the fabric 100. This is particularly preferable in that it can improve the texture of the fabric 100 after printing. In particular, applying vibrations can effectively fluff the fabric 100 and improve the texture, compared to a method of treating the fabric 100 using only a contact member such as a brush.

[0047] Furthermore, the contact member 31 is preferably a brush with linear protrusions 312. This allows the surface treatment of the fabric 100 to be performed more effectively. Furthermore, the contact member 31 can be obtained at a lower cost. Furthermore, since the protrusions 312 are provided on a roller and come into contact with the fabric 100 while rotating, the fabric can be effectively fluffed and the texture can be improved.

[0048] The treatment method of the present invention also includes the steps of preparing the vibration imparting unit 3 as described above and applying vibrations to the fabric 100 using the vibration imparting unit 3. That is, the treatment method of the present invention includes the steps of preparing the vibration imparting unit 3, which includes a contact member 31 having a base 311 and a plurality of protrusions 312 protruding from the base 311 and contacting the fabric 100, and a vibration generating source 32 that imparts vibrations to the contact member 31; and a vibration imparting step of driving the vibration generating source 32 so that the protrusions 312 vibrate while the protrusions 312 are in contact with the fabric 100, thereby applying vibrations to the fabric 100 via the protrusions 312. This allows for satisfactory treatment of the fabric 100. This improves the texture of the fabric 100. This is particularly preferable in that it can improve the texture of the fabric 100 after printing. In particular, compared to a method of treating fabric 100 using only a contact member such as a brush, applying vibrations can effectively fluff the fabric, improving the texture.

[0049] In the vibration applying step, it is preferable to apply vibration to fabric 100 while transporting fabric 100. This allows the surface treatment of the fabric to be performed efficiently.

[0050] The conveying speed is preferably 1 cm / s or more and 50 cm / s or less, and more preferably 2 cm / s or more and 20 cm / s or less, which allows the surface treatment to be carried out more reliably while sufficiently increasing the treatment efficiency.

[0051] Furthermore, the rotation speed of the contact member 31 is preferably 1 rpm or more and 100 rpm or less, and more preferably 5 rpm or more and 50 rpm or less, which allows the processing to be carried out more reliably while sufficiently increasing the processing efficiency.

[0052] Furthermore, a pair of contact members 31 are provided across the transport path of fabric 100 in the thickness direction of fabric 100, and in the vibration applying step, it is preferable to apply vibration to fabric 100 from both sides in the thickness direction using the pair of contact members 31. This allows surface treatment of both sides of fabric 100.

[0053] However, the present invention is not limited to this configuration, and one of the pair of contact members 31 may be omitted. Furthermore, the contact member 31 may be configured to move toward or away from the fabric 100 during transport. In this case, the degree of surface treatment can be adjusted.

[0054] Furthermore, in this embodiment, the abutment member 31 is configured as a brush with linear protrusions 312, but the present invention is not limited to this, and the protrusions 312 may be rod-shaped and made of a rigid body.

[0055] Second Embodiment FIG. 2 is a schematic diagram of a second embodiment of a processing apparatus for carrying out the processing method of the present invention.

[0056] Hereinafter, the second embodiment of the processing method and processing apparatus of the present invention will be described with reference to these drawings, but the description will focus on the differences from the previous embodiment, and a description of the same points will be omitted.

[0057] 2, in this embodiment, the pair of contact members 31 are arranged offset along the conveyance direction of the fabric 100. Specifically, in a plan view of the fabric 100 during conveyance, the contact members 31 are arranged at positions where the bases 311 do not overlap.

[0058] With this configuration, it is possible to shift the positions to which vibrations are directly transmitted from contact members 31 on the upper and lower surfaces of fabric 100. Therefore, even if both surfaces of fabric 100 are treated, damage to fabric 100 caused by vibrations can be reduced.

[0059] <Third embodiment> FIG. 3 is a schematic diagram of a third embodiment of a processing apparatus for carrying out the processing method of the present invention.

[0060] Hereinafter, the third embodiment of the processing method and processing apparatus of the present invention will be described with reference to these drawings, but the description will focus on the differences from the above-described embodiment, and a description of the same points will be omitted.

[0061] 3, in this embodiment, one contact member 31 is provided above the fabric 100 being conveyed. The vibration generating source 33 in this embodiment is disposed on the opposite side of the contact member 31 across the fabric 100 being conveyed.

[0062] Furthermore, a vibration transmission member 34 is provided between fabric 100 and vibration generating source 33 to transmit the vibrations generated by vibration generating source 33 to fabric 100. Vibration transmission member 34 is made of an elastic body made of, for example, various resin materials, various rubber materials, etc. This can reduce damage to fabric 100 caused by vibrations and achieve good surface treatment.

[0063] <Fourth embodiment> FIG. 4 is a schematic diagram of a fourth embodiment of a processing apparatus for carrying out the processing method of the present invention.

[0064] Hereinafter, the fourth embodiment of the processing method and processing apparatus of the present invention will be described with reference to these drawings, but the description will focus on the differences from the above-described embodiment, and a description of the same points will be omitted.

[0065] 4, contact member 35 in this embodiment has a flat base 351 and a plurality of protrusions 352 protruding from base 351. Contact member 35 is arranged such that the tips of protrusions 352 contact the underside of fabric 100. Furthermore, protrusions 352 have approximately the same length.

[0066] According to this embodiment, it is possible to easily ensure a sufficient contact area and time between the protrusions 352 and the fabric 100. Therefore, the surface treatment of the fabric 100 can be performed more reliably.

[0067] Fifth Embodiment FIG. 5 is a schematic diagram of a fifth embodiment of a processing apparatus for carrying out the processing method of the present invention.

[0068] Hereinafter, a fifth embodiment of the processing method and processing apparatus of the present invention will be described with reference to these figures, but the differences from the previous embodiments will be mainly described, and a description of similar points will be omitted. Note that the vibration generating source is not shown in Figure 5.

[0069] 5, the contact member 36 in this embodiment has a base 361 and a plurality of protrusions 362 protruding from the base 361. A pair of the contact members 36 are provided via the fabric 100 being conveyed. The protrusions 362 are made of a rigid or hard elastic body that is cylindrical or spherical as shown in FIG.

[0070] Furthermore, protrusions 362 located on opposite sides of fabric 100 may be offset from each other in a plan view of fabric 100, for example, in a staggered arrangement. This makes it possible to prevent protrusions 362 from interfering with each other even when the amplitude of vibration is relatively large. When they are offset from each other, the bending effect is enhanced. Furthermore, the protrusions 362 located on the opposite side across the fabric 100 do not need to be misaligned in a plan view of the fabric 100. In such a case, a high beating effect can be obtained.

[0071] According to the treatment method of the fifth embodiment, the fabric 100 can be bent and beaten, and the fabric 100 can be treated well.

[0072] The bending refers to the following: When a predetermined tension is applied to fabric 100 and at the same time vibration is applied to abutment member 36 while the back surface of the fabric is in contact with protrusion 362 of abutment member 35, the protrusion 362 serves as a fulcrum and the deformation action of the fibers increases, repeatedly reducing the association force between parallel fibers, releasing the junctions of intersecting fiber bundles, and partially destroying the structure of the fibers, thereby reducing the sense of rigidity of fabric 100.

[0073] When vibration is applied, it is preferable to reduce the contact area between protrusion 362 and fabric 100 and increase the bending angle relative to the fulcrum formed when vibration is applied. In other words, it is preferable to increase the distance between the fulcrums and increase the amplitude of deformation of fabric 100 when vibration is applied to fabric 100. This increases the amplitude of the fabric due to the transmitted vibration energy and increases the bending angle of the fibers, thereby making it possible to reduce the stiffness of fabric 100 and improve the texture.

[0074] When vibration is applied, it is preferable to apply a vibration period / vibration amplitude and tension that correspond to the natural frequency of fabric 100. This puts fabric 100 into a resonant state. This makes it possible to repeat effective bending motions with small vibration energy, and efficiently improve the texture of the fabric.

[0075] Also, hitting means the following: A relatively small tension is applied to the fabric 100, and simultaneously, vibration is applied to the abutting members 36 fitted to both sides of the fabric 100. Vibrations are applied to the fabric 100 with the protruding portions 362 fitted to each other from both the front and back vertical directions of the fabric 100 so that they intersect or collide with each other. A beating effect is achieved by repeatedly causing parts of the fabric 100 to collide with the protruding portions 362 or with the bases 361 of the abutting members 36. This causes repeated compression and restoration of the fiber bundles. During this process, the alignment of parallel fibers becomes disordered, the intersecting positions of intersecting fiber bundles become misaligned, and partial structural destruction of the fibers progresses. This leads to enlarged voids between fibers, increased distance between fiber bundles, and fuzzing due to partial fiber breakage, thereby increasing the bulkiness of the fabric and improving the texture of the fabric.

[0076] Furthermore, when the protrusions 362 are arranged, for example, in a staggered pattern so that they do not come into contact with each other, the fabric 100 can simultaneously repeat a relatively weak beating action due to collision with the base 361 of the abutment member 36 and a relatively weak bending action with the protrusions 362 as fulcrums, thereby efficiently enhancing the texture of the fabric.

[0077] Furthermore, when the protrusions 352 are arranged so that the fabric 100 repeatedly falls freely and bounces up due to gravity, strong concentrated stress is applied to both sides of the fabric 100 within a short period of time due to collisions between the protrusions 352, causing the fiber bundles to repeatedly compress and recover. During this process, the arrangement of parallel fibers becomes disordered, the intersecting fiber bundles become misaligned, and partial structural destruction of the fibers progresses, resulting in enlarged voids between the fibers, increased distances between the fiber bundles, and fuzzing due to partial breakage of the fibers, which increases the bulkiness of the fabric and efficiently improves the texture of the fabric.

[0078] 6, the fabric 100 may be transported and processed while sandwiched between sheet-like intermediate members 200 on both sides. This can prevent or suppress the formation of contact marks on the fabric 100 caused by contact with the protrusions 352. The sheet-like intermediate member 200 may be the same as the fabric 100, and it is preferable to use a flexible release sheet.

[0079] Furthermore, it is preferable that the tip of protrusion 362 is rounded. This more effectively prevents protrusion 362 from damaging fabric 100. Note that the tip of protrusion 362 may also be sharp. Note that the curvature of the tip of protrusion 362 is preferably, for example, a radius of curvature of 1 mm or more and 100 mm or less, and more preferably 3 mm or more and 80 mm or less. This makes it possible to prevent processing marks from being left behind by collision of protrusion 362, even if the surface of the fabric is printed.

[0080] The length of protrusion 362 (the length from base 361 to the tip of protrusion 362) is preferably 1 mm or more and 100 mm or less, and more preferably 10 mm or more and 50 mm or less. This makes it possible to improve the hitting effect of the upper and lower protrusions when vibration is applied to protrusion 362 in a state where they intersect with each other in the direction vertical to the front surface and the direction vertical to the back surface of fabric 100.

[0081] Although the processing method and processing apparatus of the present invention have been described above with reference to the illustrated embodiments, the present invention is not limited to these. Furthermore, each step and each part of the processing method and processing apparatus can be replaced with any step or structure that can perform the same function. Furthermore, any step or structure may be added. [Explanation of symbols]

[0082] 1...processing device, 2...conveying section, 3...vibration applying section, 4...control section, 21...first conveying section, 22...second conveying section, 31...contact member, 32...vibration generating source, 33...vibration generating source, 34...vibration transmitting member, 35...contact member, 36...contact member, 100...fabric, 200...sheet-like intermediate member, 211...drive roller, 212...followed roller, 221...drive roller, 222...followed roller, 311...base, 312...protruding portion, 321...vibrator, 322...vibration transmitting member, 351...base, 352...protruding portion, 361...base, 362...protruding portion

Claims

1. a step of preparing a vibration applying unit including a base, a contact member having a plurality of protrusions protruding from the base and adapted to come into contact with the fabric, and a vibration generating source that applies vibration to the contact member; a vibration applying step of driving the vibration generating source so that the protrusion vibrates while the protrusion is in contact with the fabric, thereby applying vibration to the fabric via the protrusion, a pair of the contact members are provided across the conveyance path of the fabric in the thickness direction of the fabric, In the vibration applying step, vibration is applied to the fabric from both sides in a thickness direction using the pair of contact members, A processing method characterized in that, in a plan view of the fabric, the protrusions of one of the pair of abutment members and the protrusions of the other of the pair of abutment members are offset from each other.

2. The processing method according to claim 1 , wherein the vibration applying step applies vibration to the fabric while the fabric is being transported.

3. 3. The processing method according to claim 1, wherein the tip of the protrusion is rounded.

4. 4. The processing method according to claim 1, wherein the contact member is a brush having linear protrusions.

5. 5. The method according to claim 1, wherein the average outer diameter of the protrusions is 0.05 mm or more and 5 mm or less.

6. 6. The method according to claim 1, wherein the protrusion has a Young's modulus of 100 GPa or more and 250 GPa or less.

7. a conveying section that conveys the fabric; a vibration applying unit including a base, a contact member provided to protrude from the base and having a plurality of protrusions that come into contact with the fabric being conveyed by the conveying unit, and a vibration generating source that applies vibration to the contact member; a pair of contact members are provided across the fabric transport path in a thickness direction of the fabric, and vibration is applied to the fabric from both sides in the thickness direction using the pair of contact members; The processing device is characterized in that, in a plan view of the fabric, the protrusions of one of the pair of abutting members and the protrusions of the other of the pair of abutting members are offset from each other.

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