METHOD FOR PRODUCING ELASTIC BANDS WITH RECYCLED MATERIALS
20250354306 ยท 2025-11-20
Inventors
Cpc classification
D03D35/00
TEXTILES; PAPER
International classification
Abstract
A method of manufacturing woven based elastic band, said method comprising the steps of attaching at least one yarn reel to rear side of a weaving device, adjusting the attached yarn based on desired pattern and width of the elastic band; attaching a warp system to the weaving device such that threads from the yarn reels are brought up to mouth of the weaving device. The method further comprises parallelly passing threads of an elastic material to bring up to mouth of the weaving device. The method further comprises the step of attaching a weft system to the weaving device such that threads in the weft are brought to the mouth, for binding the warp yarn threads with the elastic threads to produce elastic bands with desired pattern.
Claims
1. A method (200) of manufacturing a recycled woven based elastic band (124), said method (200) comprising the steps of: attaching at least one yarn reel (102) to rear side of a weaving device (100), wherein the at least one yarn reel (102) is made of any or a combination of recycled polyester, cotton, polypropylene, and nylon polyamide yarn; adjusting the at least one attached yarn (112) based on desired pattern and width of the elastic band (124), wherein the denier value of the yarn (112) ranges from 70 to 300D, and wherein the yarn (112) constitutes a minimum of 35% of the weight of the elastic band (124); attaching a warp system (120) to the weaving device (100) such that threads from the yarn reel (102) in the warp are passed one by one through a first set of needles, and brought up to mouth (110-1) of the weaving device (100) where the elastic band (124) is woven; parallelly passing an elastic material (106) one by one so as to bring the elastic material (106) up to the mouth (110) of the weaving device (100), wherein the elastic material (106) is selected from any or a combination of rubber latex, natural latex thread, recycled synthetic elastic fibers, spandex, and spandex thread, wherein the elastic material (106) has a concentration of rubber solids ranging from 55% to 65% attaching a weft system (118) to the weaving device (100) such that yarn (112) in the yarn reel in the weft are brought to the mouth (110) of the weaving device (100), wherein the weft yarn threads (112) are used for binding the warp yarn threads (104) with the elastic material (106); and weaving, using the weaving device (100), based on the desired pattern (304) and width of the elastic band (124), the warp yarn threads (104) with the elastic material (106) and the weft yarn threads (112) at the mouth (110) of the weaving device (100) to yield the recycled woven based elastic band (124).
2. The method as claimed in claim 1, wherein the weaving device (100) is a computer operated Jacquard weaving device.
3. The method as claimed in claim 2, wherein the weaving device (100) has 2-10 heads based on the width and chassis structure of the device (100).
4. The method as claimed in claim 1, wherein the step of weaving is undertaken by the device (100) at a speed of 800-1400 RPM.
5. The method as claimed in claim 1, wherein the recycled woven based elastic band (124) has a width ranging from 5 mm to 150 mm, and a thickness ranging from 0.5 to 5 mm.
6. The method as claimed in claim 1, wherein the recycled woven based elastic band (124) has an elongation at break of 120% to 200%.
7. The method as claimed in claim 1, wherein the recycled woven based elastic band (124) has an tensile strength ranging from 5-30 N/mm.sup.2.
8. An elastic band (124) to hold a bedding product (302), said band (124) being made of recycled woven yarn (112) that is weaved with an elastic material (106) using a weft and warp based narrow weaving device (100) using the method (200) as claimed in claim 1.
Description
BRIEF DESCRIPTION OF DRAWINGS
[0026] The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in, and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present disclosure, and together with the description, serve to explain the principles of the present disclosure. In the figures, similar components, and/or features may have the same reference label. Further, various components of the same type may be distinguished by following the reference label with a second label that distinguishes among the similar components. If only the first reference label is used in the specification, the description is applicable to any one of the similar components having the same first reference label irrespective of the second reference label.
[0027]
[0028]
[0029]
[0030]
[0031]
[0032]
[0033]
DETAILED DESCRIPTION
[0034] The following is a detailed description of embodiments of the disclosure depicted in the accompanying drawings. The embodiments are in such detail as to clearly communicate the disclosure. However, the amount of detail offered is not intended to limit the anticipated variations of embodiments. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit, and scope of the present disclosure as defined by the appended claims.
[0035] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent to one skilled in the art that embodiments of the present invention may be practiced without some of these specific details.
[0036] Embodiment of the present disclosure relate to the field of elastic bands. Particularly, the present disclosure relates to a method for producing/manufacturing elastic bands for versatile use by combining recycled materials using warp and weft weaving. More particularly, the present disclosure relates to a method for producing Jacquard elastic bands for versatile use by combining recycled materials using warp and weft weaving.
[0037] The present disclosure relates to a method of manufacturing a recycled woven based elastic band, said method comprising the steps of: attaching at least one yarn reel to rear side of a weaving device, wherein the at least one yarn reel is made of any or a combination of recycled polyester, cotton, polypropylene, and nylon polyamide yarn. The method further comprises the adjusting the at least one attached yarn based on desired pattern and width of the elastic band, wherein the denier value of the yarn ranges from 70 to 300D, and wherein the yarn constitutes a minimum of 35% of the weight of the elastic band. The method further comprises the step of attaching a warp system to the weaving device such that threads from the yarn reel in the warp are passed one by one through a first set of needles, and brought up to mouth of the weaving device where the product is woven.
[0038] The proposed method further comprises the step of parallelly passing an elastic material one by one so as to bring the elastic material up to the mouth of the weaving device, wherein the elastic material is selected from any or a combination of rubber latex, natural latex thread, recycled synthetic elastic fibers, spandex, and spandex thread, wherein the elastic material has a concentration of rubber solids ranging from 55% to 65%.
[0039] The proposed method further comprises the step of attaching a weft system to the weaving device such that the yarn in the weft are brought to the mouth of the weaving device, wherein the weft yarn threads are used for binding the warp yarn threads with the elastic material, and weaving, using the weaving device, based on the desired pattern and width of the elastic band, the warp yarn threads with the elastic material and the weft yarn threads at the mouth of the weaving device to yield the recycled woven based elastic band.
[0040] In an aspect, the weaving device is a computer operated Jacquard weaving device.
[0041] In an aspect, the weaving device has 2-10 heads based on the width and chassis structure of the device.
[0042] In an aspect, wherein the step of weaving is undertaken by the device at a speed of 800-1400 RPM.
[0043] In an aspect, wherein the recycled woven based elastic band has a width ranging from 5 mm to 150 mm, and a thickness ranging from 0.5 to 5 mm.
[0044] In an aspect, wherein the recycled woven based elastic band has an elongation at break of 120% to 200%.
[0045] In an aspect, wherein the recycled woven based elastic band has an tensile strength ranging from 5-30 N/mm.sup.2.
[0046] The present disclosure further relates to an elastic band to hold a bedding product, said band being made of recycled woven yarn that is weaved with an elastic material using a weft and warp based narrow weaving device using the above-mentioned method.
[0047] Referring to
[0048] In an aspect, the weaving device 100 is used in textile manufacturing to automate the process of producing complex woven patterns. The weaving device 100 operates by controlling individual warp yarns 104 and the weft yarn 114 to pass through, creating the desired pattern 304 (refer
[0049] In an embodiment, the present disclosure to manufacture/produce the Jacquard elastic band 124. Jacquard elastic with intricate designs and patterns 304, perfect for adding an extra element of style and sophistication. The jacquard patterns 304 can vary widely in complexity, from simple geometric shapes to highly detailed images or motifs. The produced elastic bands 124 are produced by the weaving machine using the proposed method. The jacquard weaving allows for creation of patterns 304 with multiple colours. The weaving machine 100 is a specialized device 100 to create jacquard patterns 304. The first set of needles may be called jacquard needles used for warp threads 104 of the weaving device 100. The ups and down of the first set of needles using warp threads 104 is responsible for making different patterns 304.
[0050] In an embodiment, the weaving device 100 is set up with computerized control that determines the lifting sequence of the warp threads 104. The controls are based on the desired patterns 304. The weft threads 114, which run horizontally across the warp threads 104, are inserted using weft insertion mechanism of the weft system 118. In an embodiment, the elastic band 124 is prepared with a warp and weft systems, where the warp system 120 can typically consists of multiple warp threads 104 each of which can be individually controlled to create different patterns 304 and designs.
[0051] In an embodiment, initially, a yarn reel 102 is attached to rear side of the weaving device 100 for ensuring a smooth and continuous supply of yarn 104 during weaving process. Each warp thread 104 (Also referred to as yarn, and the two terms are used interchangeably, herein) represent a vertical yarn held stationary in tension on a frame but running horizontally and define length of the elastic band 124, whereas the weft yarn 114 is running horizontally across the warp yarn 104 and inserted over and under the warp thread 104 to define width of the elastic band 124.
[0052] In an embodiment, the weaving device 100 is a computer operated narrow weaving device having numbers two to ten heads 110 based on the width and chassis structure of the weaving device 100. Accordingly, the number of the reels 102 at the warp system 120 varies. The number of cones 112 of waft yarn 114 and yarn reels 102 of warp yarn 104 is adjusted at their mounting places according to the width and pattern 304 of the elastic bands 124.
[0053] In an embodiment, the weaving device 100 includes a computing device 122 for deciding the pattern 304 and design automatically based on programmed instruction. The main function of the computer 122 is to design intricate patterns 304 and convert them into digital formats. The programed instruction are pre-defined and pre-fed which corresponds to the different design patterns 304 specific to type. The programmed instruction directing individual needles for warp threads 104 to execute precise lift and drops in a predetermined sequence. The rhythmic motion of the needles is synchronized with the weft projectile needle 108 insertion, crafts the design on to the elastic band 124. Thus, the computerized interface provides precision and programmability to the weaving device 100.
[0054] In an embodiment, the weaving device 100 controlling the process of lifting the warp threads 104, inserting the weft thread 114, and interlacing continues in a repetitive manner. By combining the precise control of the warp threads 104 in the weaving device 100 with the insertion of the weft threads 114, intricate and complex patterns 304 can be achieved for woven elastic band 124.
[0055] In an embodiment, the software loaded with computing device 122 plays a crucial role in weaving and allows creation of complex patterns 304 with precision and details, which can be translated directly into weaving instructions for the Jacquard weaving. The computer 122 also controls weaving processes on real-time basis. The monitoring of parameters like tension in the threads, breakage in the threads, and speed is done to identify and helps to address the issues. This increases efficiency and allows high-quality production of woven elastic band 124.
[0056] In an embodiment, the weaving device 100 employs projectile needles 108-1, 108-2, . . . , 108-8 for respective weft threads 114 insertion. The projectile needles 108-1, 108-2, . . . , 108-8 for weft threads 114 insertion are equals to the number of heads 110 and perform operation for corresponding heads 110-1, 110-2, . . . , 110-8. The head 110 is the place where warp thread 104 and the weft thread 114 are meeting and warp threads 104 are separated for the projectile needle 108 for each head 110.
[0057] In an embodiment, the weaving device 100 is compatible with a variety of yarns including the elastic thread 106, and capable to generate diverse elastic bands 124, which are stretchable and recover without losing its dimensions even by incorporating recycled yarns 112 and elastic threads 106.
[0058] In an embodiment, the material selection depends on the specific requirements of the elastic bands 124. The elastic threads 106 used in the elastic band 124 are typically made from recycled rubber latex or recycled synthetic elastic fiber such as spandex. These threads provide the stretch and recovery properties of the band 124.
[0059] In an embodiment, the waft yarn 114 is made of any or a combination of recycled polyester, recycled cotton, polypropylene, and nylon polyamide yarn, or a blend of mentioned fibers. The denier value of the yarn threads 114 ranges from 70 to 300D, and wherein the yarn 114 constitutes a minimum of 35% of the weight of the elastic band 124.
[0060] In an embodiment, the concentration of rubber solids in the elastic material threads 106 is ranging from 55% to 65%, and the recycled woven based elastic band 124 has an elongation at break of 120% to 200%. The recycled woven based elastic band 124 has a tensile strength ranging from 5-30 N/mm.sup.2.
[0061] In an embodiment, the step of weaving is undertaken by device 100 at a speed of 800-1400 RPM, and is able to produce elastic band 124 of width ranging from 5 mm to 150 mm, and a thickness ranging from 0.5 to 5 mm.
[0062] In an embodiment, before putting the weaving device 100 into operation, yarn reels needs to be attached for warp system 120 and weft system 118. While doing attachment, it is ensured that the attachment doesn't interfere with the functioning of the weaving device 100 or obstruct any moving parts. It is sturdy and the rear side for which metal frame or mounting brackets are employed based on the structure of the weaving device 100. Once the yarn reels 102 are attached, the yarn reels are brought to the corresponding mouth 110 of the weaving device 100. This involves threading the yarn 104 through tensioning mechanisms 116 for smooth feeding into weaving process.
[0063] In an embodiment, weaving device 100 is required to undergo a test for complete setup including yarn feeds, reel attachments, tensioning of threads, etc., before starting final operation for weaving of elastic bands 124.
[0064]
[0065] In an embodiment, the warp system 120 in the weaving device 100 is said to be a critical system that allows for precise control of warp threads 104. The weaving device 100 includes warp yarns 104 including elastic threads 106, and weft threads 114 running from the upper side and the rear side of the weaving device 100 to the corresponding mouths 110. The warp threads 104 are controlled by computer 122 and responsible for creating the pattern 304-1, 304-2 (refer
[0066]
[0067] In an embodiment, the open end of the weft thread 114 is passed through the appropriate guides/eyelets to ensure that the thread 114 moves freely and without any hindrance. The tension of the weft thread 114 is maintained as per the type of weaving and type of threads. In case of any deviation, tension adjustment mechanisms 116 provided with the weaving device 100 is used to maintain proper tension.
[0068] In an embodiment, a test run is given before going to full operation to check feeding of the weft threads 114, tension in the thread 114 and monitored regularly including deviation, if any.
[0069]
[0070] In an embodiment, yarn cones 112, which are positioned at appropriate places ensure continuous feed of the weft threads 114. The tensioning mechanism 116 ensures proper tension of the threads 114 and regulate for achieving uniformity in the woven elastic bands 124. The weft thread 114 insertion mechanism ensures inserting of weft thread 114 across the warp threads 104.
[0071] In an embodiment, a beat-up mechanism configured with the weaving device 100 ensures that the weft threads 114 are evenly distributed and compacted against the previously woven thread. It consists of a reed or comb that moves horizontally to press the newly inserted weft thread close to the previous weft thread 114. A selvedge mechanism is employed in the weft system 118 at the edge of the woven band 124 to prevent fraying and maintain structural integrity of the elastic bands 124 to ensure that the elastic bands 124 are uniform and tightly woven.
[0072] In an embodiment, weft stop motion is employed as a safety mechanism that detects interruption in the continuous feeding of the weft thread 114 due to breakage or exhaustion. The mechanism, when triggered, stops the motion of the device 100 and alerts the operator. The device 100 employs one or more sensors, indicators coupled with the computing device 122 for control of the operation.
[0073] In an embodiment, the weft threads 114 provide binding of the warp yarn 104 and elastic threads 106 and responsible to define width of the elastic bands 124. Once the warp threads 104 are positioned according to the desired pattern 304, the weft threads 114 are inserted using projectile needle 108 by a mechanism. The weft threads 114 are passed through the shed, which is the opening created by raising and lowering the warp threads 114. The shed alternates between open and closed positions to allow the weft thread 114 to pass through and bind with the warp threads 104 including elastic thread 106.
[0074] In an embodiment, after the weft yarn 114, warp threads 104, and elastic thread 106 are brought to the mouth section 110 of the weaving device 100, the pattern setting 304 is done using the computerized system 122 as per the specification. As the weaving device 100 used is narrow weaving device 100 having six and eight heads, the operations for each head 110 is done separately in the device 100. After the pattern 304 is made, the production phases starts and the elastic bands 124 from each head start coming out which can be reeled and stored.
[0075]
[0076] In the weaving device 100, needle refers to a vital part used for sewing or knitting. However, in weft process, there are many parts that serve similar functions as good as needles. Each type of weft insertion device offer distinct advantages in terms of speed, efficiency, yarn compatibility, catering to different weaving applications and requirements. These includes shuttle that itself acts as a carrier for the weft thread 114 by moving horizontally across the device carrying weft thread 114 and depositing between the warp threads 104. Rapier or gripper transfer the weft thread 114 by grasping the weft thread and carrying it through the shed to the opposite side.
[0077] In an embodiment, the weft system 118 can include other mechanisms like air jets, and water jets depending on the types of loom and weaving method of the jacquard patterns 304. The parts help to insert the weft threads 114 across the width of the band 124 in a controlled manner, ensuring even distribution and proper interlacement with the warp threads 114.
[0078] In an embodiment, the plurality of projectile needle components 108-1, 108-2, . . . , 108-8 serves as second set of needle used in the proposed weaving device 100. Projectile needle component 108, which is shuttle like component that carries weft yarn 114 and transverse the width of the band 124. The advantage of the projectile needle component 108 over other is that the projectile needles 108 are known for their high speed of weaving and versatility in handling various yarn types.
[0079] Furthermore, the projectile needle components 108 eliminate the need for a shuttle to carry the weft thread 114 across the warp threads 104. A rapier system typically made of fiber or metal carries the weft threads 114 across the device 100. The rapier is guided through the shed by a series of rollers or guide, ensuring precise insertion of the weft thread 114 using the projectile needle 108.
[0080] In an embodiment, the warp threads 104 are passed through the projectile needles 108 called power and brought up to the mouth 110 of the device 100. Likewise, the yarn 114 in waft system 118 is brought to the mouth 110 of the device 100 along with the warp threads 104 along with elastic thread 106 where the elastic band 124 is woven.
[0081]
[0082] The proposed method 200 comprises step 202 for producing a recycled woven based elastic band 124 for attaching at least one yarn reel 102 to rear side of a weaving device 100, and the at least one yarn reel 102 is made of any or a combination of recycled polyester, cotton, polypropylene, and nylon polyamide yarn.
[0083] The proposed method 200 comprises step 204 for adjusting the at least one attached yarn reel 102 based on desired pattern 304 and width of the elastic band 124, and the denier value of the yarn 104 ranges from 70 to 300D, and the yarn 104 constitutes a minimum of 35% of the weight of the elastic band 124.
[0084] The proposed method 200 comprises step 206 for attaching a warp system 120 to the weaving device 100 such that threads 104 from the yarn reel 102 in the warp are passed one by one through a first set of needles, and brought up to mouth 110 of the weaving device 100 where the elastic band 124 is woven.
[0085] The proposed method 200 comprises step 208 for parallelly passing an elastic material 106 one by one so as to bring the elastic material 106 up to the mouth 110 of the weaving device 100, and the elastic material 106 is selected from any or a combination of rubber latex, natural latex thread, recycled synthetic elastic fibers, spandex, and spandex thread, wherein the elastic material 106 has a concentration of rubber solids ranging from 55% to 65%.
[0086] The proposed method 200 comprises step 210 for attaching a weft system 118 to the weaving device 100 such that threads 112 in the weft are brought to the mouth 110 of the weaving device 100, and the weft yarn threads 114 are used for binding the warp yarn threads 104 with the elastic material 106.
[0087] The proposed method 200 further comprises step 212 for weaving, using the weaving device 100, based on the desired pattern 304 and width of the elastic band 124, the warp yarn threads 104 with the elastic material 106 and the weft yarn threads 114 at the mouth of the weaving device 100 to yield the recycled woven based elastic band 124.
[0088]
[0089] In an embodiment, the biggest advantage of the Jacquard weaving device 100 is that is expressing a certain pattern 304 on the surface of the elastic band at the same time of weaving as shown in the
[0090] In an embodiment, the figure depict a closet 306 with compartments 308-1 and 308-2 where use of elastic band 124 is done for different types of bed linen 302-A, 302-B, 302-C. the linens are secured tightly before placing in the compartment 308-1 of the closet 306. The different compartments 308 of the closet 306 can have N types of cloth where they are secured with elastic band 124. The securing can be single type of cloth as 302-D or different cloth as shown for bedding 302-A, 302-B, 302-C in the first compartment 308-1, and 302-E, 302-F, and 302-G in the second compartment 308-2.
[0091] Thus, by selecting woven elastic bands 124 that align with the specific requirements, the producer can optimize production using the disclosed method 200. The elastic band 124 with comfort, fit, and durability is obtained using material quality, elasticity of elastic thread 106, texture and compatibility with the elastic bands 124 giving long lasting performance. The elastic bands 124 are mainly for the purpose of holding the garments, bed linen tightly. However, the elastic bands 124 have vivid use like waistbands for clothing, inner wears, automotive use, and various decorative elastic items.
[0092] Production, using Jacquard elastic device 100 integrating computer 122 for CAD provide valuable patterns 304 and design in various size and desired specifications. The combination of weaving device 100, technology, and disclosed method 200 is accurate, fast, and cost-effective as it will reduce time and labor for getting more yields.
Examples
[0093] In an example, using the proposed weaving device having five heads of the present invention, an elastic band was made using recycled polyester in warp and weft, wherein the denier value of the yarn used was 90D, and the yarn constituted 45% of the weight of the final product-elastic band. The product included elastic material made of rubber latex, wherein elastic material had a concentration of rubber solids of 60%. The elastic band had a width of 30 mm, and a thickness of 2 mm. The final elastic band had an elongation at break of 150% and a tensile strength of 20 N/mm.sup.2.
[0094] In interpreting the specification, all terms should be interpreted in the broadest possible manner consistent with the context. In particular, the terms comprises and comprising should be interpreted as referring to elements, components, or steps in a non-exclusive manner, indicating that the referenced elements, components, or steps may be present, or utilized, or combined with other elements, components, or steps that are not expressly referenced. Where the specification claims refer to at least one of something selected from the group consisting of A, B, C . . . and N, the text should be interpreted as requiring only one element from the group, not A plus N, or B plus N, etc.
[0095] While the foregoing describes various embodiments of the invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof. The scope of the invention is determined by the claims that follow. The invention is not limited to the described embodiments, versions or examples, which are comprised to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.
ADVANTAGES OF THE DISCLOSURE
[0096] The present disclosure provides a method for weaving an elastic band where recycled thread material is used.
[0097] The present disclosure provides a range of width for the elastic band that is resistive to folds and wrinkles while securing bundle of cloths.
[0098] The present disclosure provides to use the elastic band to make small and portable stacks of similar/dissimilar cloths which are easy to store and carry.
[0099] The present disclosure provides a sustainable elastic band having softness, strength, and aesthetics.
[0100] The present disclosure provides automation of operation to make multiples patterns and designs with minimum manual intervention.
[0101] The present disclosure provides the elastic band that is eco-friendly and reduces carbon foot print by using recycled materials.