38results about "Smallware looms" patented technology

The invention provides a ribbon loom driven by horizontally opposed crankshafts, which comprises a base rack provided with a crankcase, a crankshaft driving assembly is arranged in the crankcase and drives a heald frame opening mechanism through a connecting rod, and a cloth tape winding mechanism, a weaving mechanism and a weft yarn feeding mechanism are further arranged above the crankcase. The crankshaft driving assembly comprises a rear crankshaft set and a front crankshaft set which are horizontally and oppositely arranged, a first synchronous wheel and a second synchronous wheel in the rear crankshaft set are connected through a rear main shaft piece, and a driving belt wheel is installed on a motor piece and connected with the first synchronous wheel through a first synchronous belt. The front crankshaft set and the rear crankshaft set are driven to rotate synchronously, all heald frame openings in the heald frame opening mechanism operate synchronously according to the preset opening rhythm, openings are formed through the heald frame set, the openings reach the weaving mechanism to be woven into cloth belts, and then the cloth belts are wound into a container through the winding mechanism. The vibration and noise of the machine are reduced, and the overall processing efficiency of the ribbon loom is improved.

The application discloses a color jacquard type high-speed ribbon loom, which comprises a ribbon loom body, fixed side plates located on both sides of the ribbon loom body, a conveying device and a material collecting assembly located on one side of a discharge port of the ribbon loom body, and the ribbon is conveyed to the material collecting assembly through the conveying device. The two limiting plates on each fixed part are driven by the driving device to be respectively unfolded or folded along the material collecting roller shaft at the same time, so that the distance between the two limiting plates in each fixed part is equal to the width of the woven ribbon, the limiting plates are respectively fixedly attached to the two sides of the ribbon, the left and right deviation of the ribbon during the material collecting process is prevented, the ribbon is orderly wound during the material collecting process, the limiting plates are arranged in parallel with each other, the ribbon is prevented from being intersected and wound together during the material collecting process, and the efficiency and quality of the ribbon material collecting are improved.

The invention relates to a webbing laying mechanism for a webbing machine, which belongs to the technical field of webbing machines, and comprises a bracket, wherein two mounting seats are fixedly connected to the top of the bracket, and mounting plates are detachably connected to the opposite sides of the two mounting seats. The webbing laying mechanism for a webbing machine, when the webbing is being laid, penetrates the webbing to the outer surface of the introduction roller, extends to the inside of the frame plate, is wound around the outer surfaces of several auxiliary rollers in the manner shown in the figure, and then passes through the middle of the active tensioning roller and the driven tensioning roller, and the starting motor drives the active tensioning roller and the driven tensioning roller to rotate slowly under the connection of the transmission belt for tightening, and two limit plates are limited one after the other to prevent the webbing from shaking when being laid, and then the electric slide moves left and right, and the hydraulic rod drives the connecting plate to be close to the work surface, so as to achieve the goal of avoiding wrinkles that affect the surface quality of the webbing during the laying process.

The application aims to provide a weaving method of slub yarn fabric, the slub yarn fabric and a weaving device thereof, which comprises the following steps: taking slub yarn composed of cotton staple fiber as weft yarn, introducing the weft yarn into the shedding of a loom through a weft insertion mechanism of the loom; after beating-up treatment of the weft yarn by a beating-up mechanism of the loom, interweaving the weft yarn with warp yarn composed of twisted polyester multifilament to form the slub yarn fabric, wherein different regions of the weft yarn are arranged on the reed tooth unit movably arranged on the reed of the beating-up mechanism, so that corresponding reed tooth units and the reed beam body of the reed generate corresponding slippage in the beating-up direction. Compared with the prior art, the application can reduce the phenomenon of uneven weft density and the phenomenon of thick and thin roads during the weaving process of the slub yarn fabric.

The utility model relates to the technical field of textile industry. A three-layer ribbon loom comprises a rack, the rear side of the rack is a feeding end, the front side of the rack is a fabric end, the rear end of the rack is provided with a yarn storage component and a feeding component, the front side of the rack is provided with a three-layer yarn guide ribbon component, and a yarn guide component is arranged above the three-layer yarn guide ribbon component. According to the three-layer ribbon loom, three-layer ribbons can be woven, the working effect is stable, the situation that yarns are wound together or broken due to contact friction can be effectively avoided, and the actual production requirement can be fully met. The technical problems that in the prior art, an existing ribbon loom can only weave one layer or two layers at most, higher production requirements cannot be met, adjacent yarn is prone to being contacted and wound together or fractured due to friction when the ribbon loom works, the production effect is unstable, and frequent overhaul is needed are solved.

The utility model belongs to the technical field, and particularly discloses a dry and comfortable elastic braid which comprises a braid main body formed by integrally weaving warps and wefts, and the braid main body comprises a polyester velvet bottom layer, a middle structure layer and a chinlon belt surface layer which are sequentially stacked; one side, deviating from the chinlon tape surface layer, of the polyester velvet bottom layer is provided with a skin-attaching surface; the warps comprise lace body framework spandex wrap yarns, polyester dyed yarns and first chinlon yarns; the first chinlon yarns are positioned on the middle structure layer and the chinlon belt surface layer; the spandex wrap yarn of the shoelace body framework is positioned between the middle structure layer and the polyester velvet bottom layer; the polyester dyed yarn is located on the polyester velvet bottom layer, and the weft is second chinlon yarn. The polyester velvet bottom layer is formed by weaving the polyester warps and the chinlon wefts, the polyester velvet bottom layer can be kept dry and comfortable, the skin attaching face of the polyester velvet bottom layer is attached to the skin of a user, sweat cannot be attached to the skin all the time, the user wears the fabric more comfortably, the use experience of the user is improved, and the comfort of the user is improved.

The present invention relates to the field of loom production technology, specifically to a pre-production sample loom for textile fabrics, comprising a sample loom body, a yarn guide being provided at an upper end of one side of the sample loom body, and a yarn guiding mechanism being provided on a side of the sample loom body close to the yarn guide. By adopting an optimized design of the yarn guiding mechanism, the stability of the yarn guiding operation of the sample loom is achieved, and by the cooperation of an air jet assembly, a yarn storage assembly, and a yarn threading assembly, the yarn is sprayed and guided by a high-speed airflow at the center, which can increase the bending radius during yarn guidance, reduce the bending curvature of the yarn, and reduce wear. Moreover, by the design of a yarn tensioner and a yarn scrap collector, the yarn is kept from suddenly relaxing when weft insertion stops, thereby avoiding yarn breakage and weft skipping, and the efficiency and quality of textile fabric sample production can be improved during weft insertion.

The utility model relates to the technical field of ribbon looms, in particular to a wide-width wire ribbon loom capable of realizing linkage of a warp creel and a shuttle, which comprises a machine body, and a wire supply mechanism, a longitude crossing wire passing mechanism, a latitude winding and pushing mechanism, an outgoing wire winding mechanism and a power transmission mechanism are mounted on the machine body. Wherein the thread supply mechanism is used for providing an upper row of yarns and a lower row of yarns in the longitude direction and providing at least one yarn in the latitude direction, and the thread outlet winding mechanism is used for winding woven threads; due to the synchronism, the knitting process of the yarns in the longitude direction and the latitude direction is smoother, and the problems of non-uniform yarn tension, knitting errors and the like caused by asynchronism are reduced; and the power and the rotating speed of the power motor can be adjusted according to different production requirements, so that the ribbon loom can adapt to the production of wires with different widths and materials, and the adaptability and the flexibility of equipment are improved.

The utility model belongs to the technical field of flexible freight bag sling production, and particularly relates to a ribbon loom for flexible freight bag sling production, which comprises a ribbon loom body. An auxiliary device is mounted on the ribbon loom body; connecting rotating shafts are mounted on frame bodies on the two sides of the supporting frame; a winding roll shaft is mounted between the connecting rotating shafts; a guide roller is mounted at the top of the mounting frame; telescopic grooves are symmetrically formed in the top of the clamping block; the top of the pulling rod is connected with a pressing rod; a pressing groove is formed in the roller shaft surface of the winding roller shaft; a cleaning cavity is formed in the cleaning box; scrapers are fixedly connected to the central shafts; the rotating ends of the scraping plates are connected with cleaning brushes; air suction pipes are symmetrically installed on the two outer side faces of the cleaning box. The exhaust pipe is fixedly connected with an exhaust nozzle; through cooperative operation of the auxiliary device, the formed container bag sling can be wound in time; the main machine is driven to work, and the phenomenon that the hanging belt adheres to silk threads and is prone to winding is avoided.

A split webbing is provided, including: a webbing body woven in one piece by a first and second warp set, a first and a second dividing thread arranged side by side and a weft thread, a closed and a split section provided in sequence along the length of the webbing body, the weft thread being interlaced with the first warp set to form a first sub-webbing, and the weft thread being interlaced with the second warp set to form a second sub-webbing, wherein the inner sides of the first and the second sub-webbing are wound around by the first and the second dividing thread respectively, so as to form a gap between the first and the second sub-webbing, where the weft thread are cut off to separate the first from the second sub-webbing. The split webbing has the advantages of simple weaving control procedure and beautiful product.

The application provides a novel rack drive type multi-shuttle ribbon loom. In the weft insertion mechanism of the ribbon loom, a lifting driver provides vertical lifting power for a shuttle storage body, a plurality of shuttles are arranged in the shuttle storage body, the back rack of the shuttle is engaged with a gear driving mechanism on a rack to realize horizontal transverse movement, the weft insertion can be flexibly realized, and the efficiency and the accuracy are improved, the crank rocker mechanism of the beating mechanism can independently swing forward and backward to drive the beating reed plate connected with the rotating shaft to synchronously rotate, the movement of the reed and the shuttle is different in position, the beating quality and stability are ensured, in addition, the application adopts modular design, the space is effectively utilized, the weaving of the ribbon loom can be efficiently and accurately completed, various high-quality fabrics can be produced, the large-scale production and personalized demand can be met, and the application has remarkable advantages and broad application prospect in the field of ribbon looms.

The invention relates to an actuator assembly for a textile machine, wherein: the actuator assembly comprises a plurality, i.e. n, spools distributed along a depth; the actuator assembly comprises a plurality, i.e. n+1, magnetic plates distributed along the depth; the magnetic plates and the spools alternate along the depth, so that each spool is received between two adjacent magnetic plates; each magnetic plate comprises an upper permanent magnet and a lower permanent magnet having opposite orientations; the upper permanent magnets of all magnetic plates have the same orientation; the lower permanent magnets of all magnetic plates have the same orientation; each spool is movable along a height between an upper position and a lower position, and vice versa, wherein the upper position is comprised between the upper permanent magnets of two adjacent magnetic plates and the lower position is comprised between the lower permanent magnets of two adjacent magnetic plates; and each spool can be powered in two opposite ways. The invention also relates to a textile machine comprising such an actuator assembly.

The utility model discloses a tape guiding, pressing and winding mechanism of tape loom, including base, the upper end surface of base and located one side fixedly is equipped with the supporting plate, the supporting plate is equipped with two groups and is set up in pair, the middle position of supporting plate all rotates and is equipped with the rotating shaft, the one end of rotating shaft all is fixedly equipped with the limit disc, the middle position of limit disc is equipped with the winding assembly, the outer wall of supporting plate all is fixedly equipped with the adjusting plate, all are seted up in adjusting plate and have adjusting hole, the inside of adjusting hole all movably is equipped with the adjusting block, the middle position of adjusting block rotates and is equipped with the compression roller, thereby in the process of winding the braided fabric, the compression roller will move to the outside through the effect of supporting spring, to make the compression roller always with the outer wall of winding roller abuts, and then realizes the effect of pressing to the braided fabric, avoids the phenomenon that the braided fabric appears to scatter in the winding process, and is convenient to use.

The invention relates to the technical field of weaving machine production, in particular to a pre-production sample weaving machine for textile fabrics, which comprises a sample weaving machine body, a yarn guide is arranged at the upper end of one side of the sample weaving machine body, and a yarn guide mechanism is arranged on one side, close to the yarn guide, of the sample weaving machine body. By adopting the optimized design of the yarn guiding mechanism, the stability of yarn guiding operation of the small sample loom is achieved, through joint cooperation of the air injection assembly, the yarn storage assembly and the yarn threading assembly, high-speed air flow in the center is used for conducting injection guiding on yarn, the bending radius during yarn guiding can be increased, the yarn bending curvature can be reduced, and abrasion can be reduced; and through the design of the yarn tensioning piece and the yarn scrap collecting piece, sudden looseness of the yarn is kept when weft insertion is stopped, the phenomena of yarn breaking and weft jumping are avoided, and the production efficiency and quality of textile fabric samples can be improved during weft insertion operation.

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.

The utility model discloses a ribbon loom pinch roller set which comprises a pinch roller shaft, a plurality of pinch roller sets are arranged on the side wall of the pinch roller shaft in a sleeved mode, a pinch roller fixing seat is arranged below the pinch roller shaft, and each pinch roller set comprises a pinch roller pull handle fixing seat arranged on the side wall of the pinch roller shaft in a sleeved mode. A belt pressing wheel fixing plate is arranged at the position of the belt pressing wheel fixing seat, the belt pressing wheel fixing plate and the belt pressing wheel fixing seat are connected through an elastic device, and the upper end of the belt pressing wheel fixing plate is rotationally connected with a belt passing rolling wheel. The silk ribbon guiding device has the advantages that silk ribbons can be conveniently guided, and displacement and winding of the silk ribbons are avoided.

The utility model discloses a heavy narrow loom counting special measuring device, which comprises a heavy narrow loom main body, one side of the heavy narrow loom main body is fixedly connected with a cross rod, one side of the cross rod is provided with an electromagnet packaging body and a Hall element, one side of the heavy narrow loom main body is fixedly connected with a counter, and the counter is fixedly connected with the heavy narrow loom main body. The electromagnet packaging body and the Hall element are fixed to the cross rod through fixing screws, and a plurality of supporting legs are fixedly connected to the bottom of the heavy narrow loom body. Through the arrangement of the Hall element and the electromagnet packaging body, the size is small, the weight is light, the service life is long, installation is easy and convenient, vibration resistance is achieved, and pollution or corrosion of dust, oil dirt, water mist and the like is resisted.

The invention discloses a manufacturing method of an infant teaching aid based on a wool product, and belongs to the technical field of infant education appliances, the method comprises the following steps: pretreatment of raw materials: soaking wool in a weakly alkaline solution at 40-50 DEG C; manufacturing an achnatherum splendens woven substrate; the wool felt is manufactured through three-dimensional interwoven network wool laying, 55-70 DEG C hot water spraying and staged variable-pressure rolling and pressing; dyeing with a natural plant dye; twisting woolen yarns; making a felt picture by using a thick-medium-thin three-level poke needle; weaving the fabric; by optimizing process parameters, operation safety of infants is ensured, the system design has a multi-level education function, traditional culture of Kazakh is fused, fine hand actions, hand-eye coordination, attention, creativity and cultural recognition of the infants are remarkably improved, and the kindergarten teaching aid is suitable for being popularized and applied in kindergartens.

The utility model discloses a ribbon loom for producing annular elastic ribbons, which comprises a ribbon loom body, one end of the side surface of the ribbon loom body is provided with a thread roller mechanism, and one end of the side surface of the ribbon loom body is provided with a limiting mechanism for limiting the thread roller mechanism; according to the ribbon loom, the thread roller and the ribbon loom body can be conveniently disassembled and assembled through the limiting mechanism, the thread roller mechanism and the like, the assembling and disassembling process is simple, use is more convenient, and therefore replacement time is saved, and the overall efficiency of a production line can be improved.

The application discloses a friction conveying motor of a ribbon loom and relates to the technical field of textile equipment.The friction conveying motor comprises a yarn frame, a fixed pulley is arranged on one side of the top of the yarn frame, and a friction wheel is arranged on the other side of the top of the yarn frame; a positioning assembly is arranged in the inner cavity of the yarn frame, and the positioning assembly comprises a bidirectional screw rod which is movably connected to one side of the inner cavity of the yarn frame.The inner cavity of the track groove can be used to mount the yarn frame on the surface of a yarn frame walking track, the bidirectional screw rod can be driven to rotate by a motor, the two sliding sleeves can be driven to move relatively, the rollers can be driven to move, the surface of the rollers can be attached to the two sides of the yarn frame walking track, the yarn frame can be positioned in this way, the yarn frame can be conveniently driven to move on the surface of the yarn frame walking track by the subsequent friction motor, the movement of the sliding sleeves can also drive the mounting plate to move, the support can drive the fixed pulley to move, the fixed pulley can be positioned in this way, and the fixed pulley can be attached to the friction wheel.

The utility model discloses a braid positioning mechanism of a braid loom, which comprises fixed plates, a positioning roller and a driven roller, and is characterized by further comprising a limiting roller and a connecting rod, the limiting roller is fixedly arranged on the two fixed plates and positioned below the positioning roller, a plurality of positioning sleeves are sleeved on the limiting roller in a sliding manner, and the connecting rod is connected with the limiting roller. A supporting plate is fixedly arranged between the two fixing plates and located below the limiting roller, a plurality of movable plates which correspond to the positioning sleeves one to one and are fixedly connected with the positioning sleeves are arranged on the supporting plate in a sliding mode, the movable plate located in the middle is fixedly connected with the supporting plate, and the movable plates are hinged through a plurality of connecting rods in a scissor-fork mode. A control block groove is formed in the side wall of the fixed plate on one side, a control block fixedly connected with the side wall of one movable plate is arranged in the control block groove in a sliding mode, and a control mechanism used for controlling the control block to move is arranged in the fixed plate. And the distance between the positioning sleeves can be controlled by moving the control block, so that the device is suitable for braids with different widths.

A weaving loom comprising a frame 1 with legs 2, and a rotatable heddle 3 with a handle 4; the heddle being detachably attached to the legs. The heddle comprises rows of fingers that engage alternate

The utility model relates to the technical field of ribbon loom processing, in particular to a high-speed ribbon loom pulley driving device which comprises a driving component, a first spring, a transmission component and an assembling component, a ribbon pulley is arranged on the lower side of the driving component, a ribbon loom body is arranged on the outer side of the ribbon pulley, and the driving component comprises a shaft rod. First mounting plates are arranged on the two sides of the shaft rod, synchronizing wheels are mounted on the outer side of the shaft rod, the transmission component comprises a second mounting plate, a third mounting plate is arranged on the lower side of the second mounting plate, a motor is mounted at the lower end of the third mounting plate, and a transmission wheel is arranged at one end of the motor. And a transmission belt is mounted on the outer side of the transmission wheel. According to the pulley driving device, the pulleys are synchronously driven through the driving component, the synchronous rotating effect of the pulleys is improved, the pulley driving device is convenient and fast to mount and dismount through the assembling component, and the maintenance convenience is improved.

The realisation of this invention was inspired by the traditional tablet weaving technique. Tablet weaving is a narrow weaving woven by card weaving, one of the traditional hand weaving techniques. It includes the system that can weave the tablet woven fabric structure and will be used in the production of narrow woven fabric. Tablet weaving technique adds high strength to the fabric. It will be used in the production of alternative products to narrow weavings woven for areas requiring high strength. Thus, products with high strength can be obtained without the high yarn costs required for the use of high tenacity yarn. For example, parachute rope, transport, space research, etc. will be mounted on the narrow loom and used in the production of narrow woven fabric in the tablet weaving technique. 'Shedding System with Tablet Plate' is a shedding system for narrow weaving machine. With the reflection of the shedding process on the quality of the woven fabric, weaving with high strength will be realised. It will be added as a new alternative system to the existing shedding systems in narrow weaving machines.

The utility model relates to the technical field of ribbon looms, in particular to an automatic ribbon loom for colored ribbon processing. The device is characterized in that a machine frame plate is arranged on the upper half portion of one side of the machine body plate, a rotating shaft penetrates through the two sides of the machine frame plate, the rotating shaft is sleeved with a patterned chain wheel, a swing plate is attached to the surface of the patterned chain wheel, one end of the swing plate is fixedly connected with a supporting rod, and the other end of the supporting rod is fixedly connected to a split shaft seat; kinetic energy is transmitted through connection of the supporting rod and the split shaft seat, then the supporting rod shakes to pass through the warp hole below the thread scattering frame, threads are arranged by the thread hooking device on the needle plate to be woven into colored ribbons, and the woven colored ribbons are rolled out by matching with the needle bed movable seat below. And then the colored ribbon is smoothly rolled out by the three rocker arm convex shafts, the cam rotating shaft and the needle bed rotating shaft below, so that the production efficiency is improved, the product quality is improved, and an automatic mechanical ribbon loom is realized.

This application provides a horizontally opposed crankshaft driven ribbon weaving machine, including a base frame with a crankcase, a crankshaft drive assembly installed inside the crankcase and a hem opening mechanism driven by a connecting rod, and a ribbon take-up mechanism, a weaving mechanism, and a weft feeding mechanism installed above the crankcase. The crankshaft drive assembly includes a horizontally opposed rear crankshaft group and a front crankshaft group. The first and second synchronous pulleys in the rear crankshaft group are connected by a rear main shaft. Since the motor is equipped with a drive pulley and connected to the first synchronous pulley through a first synchronous belt, when the motor is driven, it drives the rear crankshaft group and the front crankshaft group to rotate synchronously, so that all the hem openings in the hem opening mechanism run synchronously according to a preset opening rhythm. After the hem openings are formed by the hem group, the ribbon reaches the weaving mechanism to be woven into a ribbon, and then the take-up mechanism winds the ribbon into a container. By adopting a horizontally opposed method, the vibration and noise of the machine are reduced, and the overall processing efficiency of the ribbon weaving machine is improved.

The present invention discloses an intelligent integrated ribbon loom, comprising a ribbon loom frame, a palm frame group is arranged above the ribbon loom frame, a compression spring is welded and distributed on the top of the palm frame group, a steel shaft is connected and distributed in the middle of the palm frame group, a cam is connected and distributed on the bottom of the steel shaft, a weft density gear group is arranged inside the ribbon loom frame, the weft density gear group is mounted on a mounting plate, and the mounting plate is fixed to the front end of the ribbon loom frame, a knitting seat is connected to the inner middle end of the ribbon loom frame, steel buckle seats are arranged at both ends of the knitting seat, the palm frame group, the knitting seat and the steel buckle seat are interwoven to weave a cloth belt, the present invention relates to the technical field of integrated ribbon looms, an integrated design, a palm frame group, a knitting seat and a steel buckle seat are interwoven to weave a cloth belt, and the palm frame group, the knitting seat and the steel buckle seat are coordinated with each other to continuously sew a chain with high efficiency, and all the tedious work in the middle is eliminated, which greatly improves efficiency and quality, solves the problem of frequent wear and tear, greatly improves speed, meets the needs of short stroke, has high stability and durability.

The invention discloses a friction conveying motor of a ribbon loom, and relates to the technical field of textile equipment. The device comprises a creel, a fixed pulley is arranged on one side of the top of the creel, and a friction wheel is arranged on the other side of the top of the creel; a positioning assembly is arranged in an inner cavity of the creel and comprises a two-way lead screw, and the two-way lead screw is movably connected to one side of the inner cavity of the creel. The creel can be installed on the surface of the creel walking rail through the inner cavity of the rail groove, the motor drives the two-way lead screw to rotate, the two sliding sleeves can be driven to move relatively, and therefore the rolling wheels are driven to move, the surfaces of the rolling wheels can be attached to the two sides of the creel walking rail, and the creel is positioned; the friction motor can conveniently drive the creel to move on the surface of the creel walking track subsequently, the sliding sleeve moves to drive the mounting plate to move, and the support drives the fixed pulley to move, so that the fixed pulley is positioned and can be attached to the friction wheel.

The present invention relates to the technical field of small textile sample machines, in particular to a small textile sample machine with flower warp tension adjustment, comprising a correction component, which includes a main body component and a plurality of winding components rotating on the main body component, a torsion component fixed to the inner wall of the winding component, and a track component arranged on the inner wall of the torsion component, a transmission component arranged in the track component, and a limiting component fixed between the torsion component and the track component. The present invention can drive the plurality of track components to rotate by pushing the transmission component, and the track component can trigger the torsion component to apply torsion to the winding component, so that the yarns outside the plurality of winding components can be tightened, and then the limiting component can limit the torsion component and the winding component, so that the plurality of yarns can have the effect of adaptively adjusting the tightness, so that the subsequently woven pattern will not be deformed, thereby better displaying the effect of the sample fabric.