JP2007044270A - Cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cleaner having high dust adsorbing efficiency, wherein dust can be absorbed even at the central part of a wiping face of a wiping cloth formed of a cloth or pile, and cleaning can be performed while dust is being absorbed on the whole face of the wiping face of the wiping cloth. <P>SOLUTION: This cleaner is used by fixing the wiping cloth formed of a cloth 1 to a base board 2 and press-contacting the wiping face of the wiping cloth on a cleaning object face such as a floor face U. The wiping cloth formed of the cloth 1 is formed thick at the center of the base board face 2a and thin in the circumferential parts and, when cleaning, the central part of the wiping face comes into contact with the cleaning object face such as the floor face U into a projecting state. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cleaning tool that is used by fixing a wiping cloth to a substrate and pressing the wiping surface of the wiping cloth against a surface to be cleaned, and in particular, the entire wiping surface of the cloth or the cloth is implanted during cleaning. The present invention relates to a cleaning tool in which dust adheres to the entire wiping surface of a pile.

  FIG. 42 is a side view of a state in which the conventional cloth is fixed to the substrate of the cleaning tool. Referring to FIG. 42, the substrate 102 of the cleaning tool 101 has a substrate surface 103 formed on a flat surface. A cross 104 having a substantially uniform thickness is fixed to the substrate 102. 43 is a side view showing a state where the floor surface is being cleaned with the cleaning tool shown in FIG. When cleaning is performed with the conventional cleaning tool 101, the entire wiping surface 104a of the cloth 104 is in contact with the floor surface U.

  Accordingly, dust or the like on the floor surface U adheres only to the outer end portion of the wiping surface 104a of the cloth 104 and does not enter the central portion side of the wiping surface 104a. As a result, the outer end portion of the wiping surface 104a However, there was a problem that only soiled due to adhesion of dust and the like. As described above, since dust or the like adheres only to the outer end portion of the wiping surface 104a of the cloth 104 during cleaning, the dust cannot be adhered to the entire wiping surface 104a and the dust collection efficiency is poor. there were.

  FIG. 44 is a side view showing a conventional cleaning tool disclosed in Japanese Patent Laid-Open No. 9-23886 (Patent Document 1). Referring to FIG. 44, this prior art cleaning tool is composed of a wiping cloth 201 made of a nonwoven fabric or tissue paper, a head 202 for attaching the wiping cloth 201, and a handle 203 attached to the head. ing. The head 202 includes a hard substrate 202a and a buffer member 202b made of an elastic material. The buffer member 202b has an inclined surface 204 that is inclined in a direction away from the surface to be cleaned as it goes outward at the front and rear end portions of the bottom surface. Accordingly, since the head 202 has the inclined surface 204 at the front and rear end portions of the bottom surface of the buffer member 202b, a gap is formed between the inclined surface 204 and the floor surface. Large dust can be taken in.

  However, since the portion excluding the inclined surface 204 at the front and rear end portions of the bottom surface of the buffer member 204 is formed as a flat surface, dust adheres only to the outer end portion of the wipe 201 on the flat surface portion, and the wipe 201 There was a problem that the dust did not penetrate to the center side. Therefore, only the outer end portion of the flat surface portion of the wiping cloth 201 is contaminated with dust, and there is a problem that the dust cannot be adhered to the entire flat surface portion of the wiping cloth 201. Further, since the buffer member 202b is attached to the substrate 202a of the head 202, there is a problem that the structure is weak.

45, 46, and 47 are side sectional views of a conventional wiping cleaner disclosed in Japanese Patent Laid-Open No. 4-114620 (Patent Document 2). Referring to FIG. 45, the base plate 310 is an aluminum extruded material, and its bottom portion 310a is formed at a middle height. That is, a plurality of ribs 311 extending in the longitudinal direction of the base plate 310 are formed so that the cross section has a middle-high shape. Clamps (not shown) for attaching the cross 304 are provided on the left and right sides of the upper surface of the base plate 310. When the cloth 304 is fixed with this clamp, it becomes a middle-high shape along the bottom surface of the base plate 310. As shown in FIG. 46, when the long handle 301 is held and pushed in the forward direction indicated by the arrow x, the cross front side 304a is inevitably grounded to the floor surface B from the operation angle of the long handle 301, and the floor surface B It is cleaned. In addition, as shown in FIG. 47, when the base plate 310 is pulled in the reverse direction indicated by the arrow y, the rear surface side 304b of the cloth 304 is grounded to the floor surface B according to the seesaw principle, and the floor surface B is cleaned by that surface. . Since the front side 304a of the cloth 304 is about half the area of the bottom 310a, the surface pressure is about twice, and the dirt on the floor B can be cleaned cleanly.
Japanese Patent Laid-Open No. 9-23886 JP-A-4-114620

  However, as shown in FIG. 46, when the long handle 301 is held and pushed in the forward direction indicated by the arrow x, the front side 304a of the cloth 304 is in contact with the floor surface B evenly. Accordingly, when the floor surface B is cleaned in this state, dust or the like adheres only to the outer portion of the cross front side 304a, and does not enter and adhere to the inside. That is, there is a problem that dust or the like cannot be adhered to the entire cross front side 304a only by the outer part of the cross front side 304a being stained with dust or the like. As shown in FIG. 47, when the base plate 310 is pulled in the reverse direction indicated by the arrow y, the rear surface side 304b of the cross 304 is in contact with the floor surface B flatly. Accordingly, when the floor surface B is cleaned in this state, dust or the like adheres only to the outer portion of the cross rear surface side 304b and does not enter the inside. That is, there is a problem that dust or the like adheres only to the outer portion of the cross rear surface side 304b and only the outer portion becomes dirty, and the dust or the like cannot adhere to the entire cross rear surface side 304b.

  The present invention has been made in view of the above-described conventional problems, and can attach dust or the like up to the center of the wiping surface of the wiping cloth made of cloth, pile, etc. An object of the present invention is to provide a cleaning tool that can be cleaned while adhering to it and has good dust collection efficiency. In addition, even if the bottom surface of the substrate is a flat surface, even if the central part has a convex shape, cleaning is performed while adhering dust or the like over the entire wiping surface of a wiping cloth made of cloth or pile fixed to the substrate. It aims at providing the cleaning tool which can do.

  The present invention has been proposed to solve the above problems, and the first embodiment is used by fixing the wiping cloth to the substrate and pressing the wiping surface of the wiping cloth against the surface to be cleaned. In the cleaning tool, the wiping cloth is thick at the center of the substrate surface and thin at the peripheral portion, and the central portion of the wiping surface is in contact with the surface to be cleaned in a swelled manner during cleaning.

According to a second aspect of the present invention, in the first aspect, the wiping cloth is made of a cloth, the cloth surface is the wiping surface, and the cloth is thick at the center of the substrate surface and thin at the peripheral portion. Cleaning tool.

  According to a third aspect of the present invention, in the first aspect, the wiping cloth includes a cloth and a pile planted on one or both surfaces of the cloth, and the pile surface or the cloth surface becomes the wiping surface. A cleaning tool in which the cloth is thick at the center of the substrate surface and thin at the periphery.

  According to a fourth aspect of the present invention, in the first aspect, the wiping cloth includes a cloth and a pile planted on one or both surfaces of the cloth, and the pile surface or the cloth surface becomes the wiping surface. In the cleaning tool, the pile is thick at the center of the substrate surface and thin at the periphery.

  According to a fifth aspect of the present invention, in the first aspect, the wiping cloth includes a cloth and a pile planted on one or both surfaces of the cloth, and the pile surface or the cloth surface is the wiping surface. The cleaning tool is such that both the cloth and the pile are thick at the center of the substrate surface and thin at the periphery.

  The 6th form of this invention is the cleaning tool which formed the convex part in the center part of the said cloth in the 2nd, 3rd or 5th form, and made the center thick.

  According to a seventh aspect of the present invention, in the sixth aspect, the convex portion is a cleaning tool formed by heating.

  According to an eighth aspect of the present invention, in the sixth aspect, the convex portion is a cleaning tool formed by crimping.

  A ninth aspect of the present invention is the cleaning tool according to the sixth aspect, wherein the cloth is a nonwoven fabric and the convex portion is formed by increasing the thickness of the nonwoven fabric.

  According to a tenth aspect of the present invention, in the second, third, or fifth aspect, the cloth is formed by superposing a plurality of base fabrics, and the width of the base fabric is gradually reduced to make the center of the cross This is a cleaning tool with a thickened part.

  According to an eleventh aspect of the present invention, in the second, third or fifth aspect, the cloth is formed by superposing a plurality of base fabrics, and the center portion of the base fabric on the wiping surface side is cut to the center. It is a cleaning tool that thickens the central part of the cloth by raising the part.

  According to a twelfth aspect of the present invention, in the second, third, or fifth aspect, the cloth is formed by polymerizing a plurality of base fabrics, and a small fiber piece is built in between the base fabrics. This is a cleaning tool that thickens the center of the cloth.

  A thirteenth aspect of the present invention is the cleaning tool according to the fourth or fifth aspect, wherein the pile is long at the center of the substrate surface and short at the peripheral part.

  A fourteenth aspect of the present invention is the cleaning tool according to the fourth or fifth aspect, wherein the piles are formed at a high density in the center of the substrate surface and are formed at a low density in the peripheral part.

  A fifteenth aspect of the present invention is the cleaning tool according to the fourth or fifth aspect, wherein the pile is thick at the center of the substrate surface and thin at the periphery.

  A sixteenth aspect of the present invention is the cleaning tool according to the fourth or fifth aspect, wherein the pile is hard at the center of the substrate surface and is formed flexibly at the peripheral part.

  According to a seventeenth aspect of the present invention, in the fourth or fifth aspect, the pile is a cleaning tool in which an upright material is used in the center of the substrate surface and a crimped material is used in the periphery. It is.

  According to an eighteenth aspect of the present invention, in the fourth or fifth aspect, the pile is made of a material having a small degree of crimp in the center of the substrate surface, and a material having a large degree of crimp in the peripheral portion. It is a cleaning tool.

  A nineteenth aspect of the present invention is the cleaning tool according to any one of the first to eighteenth aspects, wherein the cross attachment surface of the substrate is a flat surface.

  A twentieth aspect of the present invention is the cleaning tool according to any one of the first to eighteenth aspects, wherein a central portion of the cross mounting surface of the substrate is formed to protrude.

  A twenty-first aspect of the present invention is the cleaning tool according to any one of the first to eighteenth aspects, wherein the cross mounting surface of the substrate is formed in a curved shape that gently protrudes from the peripheral part toward the central part. is there.

  According to the 1st form of this invention, there exists a thing which consists of a cloth or a pile planted in this cloth as a cloth. Examples of the cloth include non-woven paper, nonwoven fabric, natural fiber cloth, and synthetic fiber cloth. A cloth made of non-woven paper has a side that is difficult to recycle if it becomes dirty during cleaning, and a disposable method is suitable. However, in the case of a renewable fiber yarn, it can be applied for rental purposes. A cloth made of nonwoven fabric, natural fiber cloth, synthetic fiber cloth or the like can be used for rental because it can be washed and regenerated after being stained. Further, when a pile is planted on the cloth, the cloth is preferably made of a fiber such as a natural fiber cloth or a synthetic fiber cloth. Since the wiping cloth is thick at the center of the substrate surface and thin at the periphery, the central portion of the wiping surface abuts the surface to be cleaned during cleaning, and the surface to be cleaned such as a floor surface is in the central portion of the wiping surface. Dust and the like can be adhered. Furthermore, since the dust on the surface to be cleaned easily penetrates to the center of the wiping surface, the dust on the surface to be cleaned can be adhered over the entire surface of the wiping surface. Therefore, even if the substrate surface is a flat surface, the wiping cloth is formed thick at the center of the substrate surface, so that dust can be cleaned while adhering to the entire wiping cloth, and dust collection efficiency can be improved. it can. In addition, the center part of a wiping surface is the center part of the width direction before and behind with respect to the operation direction of a cleaning tool. Moreover, the thing provided not only with the rising part in the left-right full length with respect to the operation direction but the thing with which the rising part was provided partially is also included.

  According to the second aspect of the present invention, since the cloth is thick at the center of the substrate surface and thin at the periphery, the cloth is in a state where the center is raised, and the surface to be cleaned is placed at the center of the cloth during cleaning. Dust and the like can be adhered. Therefore, dust and the like on the surface to be cleaned such as the floor surface can be adhered and cleaned over the entire cross surface.

  According to the 3rd form of this invention, there exists a cut pile or a loop pile as a pile. Since the cloth in which the pile is implanted is thick at the center of the substrate surface and thin at the peripheral portion, the pile surface or the cross surface necessarily swells at the center. Therefore, the center portion of the pile surface or the cross surface can be brought into contact with the surface to be cleaned such as the floor surface during cleaning. Even in this central portion, dust or the like on the surface to be cleaned can adhere to the pile or cloth, and dust or the like on the surface to be cleaned can adhere to the entire pile surface or cross surface. In the third embodiment, a pile is implanted on one side or both sides of the cross surface so that the pile surface becomes a wiping surface, and a pile is implanted on one side (substrate surface side) of the cross surface. May be a wiping surface.

  According to the fourth aspect of the present invention, since the pile is thick at the center of the substrate surface and thin at the periphery, the center of the pile surface or the cross surface can be brought into contact with the surface to be cleaned during cleaning. In addition, dust or the like on the surface to be cleaned can adhere to the pile or cloth at the center. Since dust or the like enters from the center of the pile surface or cross surface, the dust or the like on the surface to be cleaned can be adhered to the entire pile surface or cross surface. In the fourth embodiment, a pile is implanted on one or both sides of the cross surface so that the pile surface becomes a wiping surface, and a pile is implanted on one side (substrate surface side) of the cross surface. May be a wiping surface.

  According to the fifth aspect of the present invention, since both the cloth and the pile are thick at the center of the substrate surface and thin at the periphery, the pile surface or the cross surface, which is a wiping surface, is further raised at the center. Can be in a state. Therefore, the central portion of the pile surface or the cross surface can be brought into contact with the surface to be cleaned for cleaning. Dust or the like on the surface to be cleaned can be adhered over the entire pile surface or cross surface. In the fifth embodiment, a pile is implanted on one or both sides of the cross surface so that the pile surface becomes a wiping surface, and a pile is implanted on one side (substrate surface side) of the cross surface. May be a wiping surface.

  According to the sixth aspect of the present invention, since the convex portion is formed in the central portion of the cloth, the central portion of the wiping surface of the cloth contacts the surface to be cleaned during cleaning, and the surface to be cleaned is in this central portion. Dust etc. can be attached. Moreover, in the cloth wiped by the pile on the cloth, the wiping surface of the pile is raised by the convex part at the center of the cloth, and the center of the wiping surface comes into contact with the surface to be cleaned during cleaning. In this central part, dust or the like on the surface to be cleaned can be adhered.

  According to the 7th form of this invention, when the center part of a cloth is heated, this center part will be in the state raised and a convex part will be formed. Moreover, the convex part can also be formed by projecting the center part of the cloth by embossing. Accordingly, the center of the wiping surface of the cloth or pile is raised, and the central portion of the wiping surface comes into contact with the surface to be cleaned during cleaning, and dust or the like on the surface to be cleaned can be adhered to the central portion.

  According to the 8th form of this invention, in order to crimp the center part of a cloth, it is good to use the raw material crimped by heating to the center part of a cloth. By using the material to be crimped, a crimped convex portion can be formed at the center of the cloth. Therefore, the central part of the wiping surface of the cloth or pile is raised, and the central part of the wiping surface comes into contact with the surface to be cleaned during cleaning, and dust or the like on the surface to be cleaned adheres to this central part. it can.

  According to the ninth aspect of the present invention, in the case where the cloth is made of a nonwoven fabric, in order to form a thick central portion and a thin peripheral portion, the number of needles for hitting the outside of the nonwoven fabric or It is good to make the number of times dense and roughen the number or the number of times the needle is driven to strike the center of the nonwoven fabric. Moreover, the center part of a nonwoven fabric can be formed thickly by mounting another small nonwoven fabric in the center part of one nonwoven fabric. Therefore, a convex part can be formed in the central part of the nonwoven fabric, the central part of the wiping surface of the cloth or pile is raised during cleaning, and the central part of the wiping surface can be brought into contact with the surface to be cleaned. it can. Dust and the like on the surface to be cleaned can be attached to the center of the wiping surface.

  According to the tenth aspect of the present invention, a cloth is formed by superposing a plurality of base fabrics, and a plurality of base fabrics are used to gradually narrow the width of the base fabric and thicken the central portion of the cross. Can be integrated by sewing in a polymerized state or by heat sealing. Moreover, since the width | variety of the base fabric is made narrow gradually, the cloth which consists of a superposed | polymerized base fabric can be thickened in the state which the center part raised naturally.

  According to the eleventh aspect of the present invention, the cloth is formed by superposing a plurality of base fabrics, and when the central portion of the base fabric on the wiping surface side is cut, the central portion of the base fabric is unraveled and raised. This bulge can thicken the central part. Furthermore, the polymerized base fabric can be integrated by sewing or heat-sealing the vicinity of the outer edge of the base fabric on which a plurality of sheets are polymerized.

  According to the twelfth aspect of the present invention, the cloth is formed by polymerizing a plurality of base fabrics, and the base fabric is polymerized in a state where a small fiber piece is built in between the base fabrics and the base fabrics. And the fiber pieces can be integrated by sewing or heat-sealing. Further, only a plurality of base fabrics may be sewn or heat-sealed. Since a small fiber piece is built in between the base fabric and the base fabric, the central portion of the wiping surface can be raised.

  According to the thirteenth aspect of the present invention, since the pile is formed long in the center of the substrate surface, the long pile has a thick layer even in an upright state or a bent state. Moreover, since the pile is formed short in the peripheral part, even if this short pile is in an upright state or a bent state, the layer is thinner than the central part. Therefore, when cleaning, the pile layer is thick and the central pile surface is in contact with the surface to be cleaned, and dust or the like adheres to it. By attaching dust to the center of the pile surface, dust or the like can be attached to the entire pile surface.

  According to the fourteenth aspect of the present invention, since the piles are formed with high density in the center of the substrate surface, when the entire pile length is formed uniformly, The parts are in close contact with each other, making it difficult to bend and the pile layer to be thick. On the other hand, since it is formed at a low density in the peripheral part of the substrate surface, the pile in the peripheral part is relatively easy to bend, and the layer of the pile becomes thin. Moreover, if the length of the high-density pile at the center is long, the pile layer at the center can be made thicker and can be formed in a raised shape. Accordingly, when the cleaning is performed, the pile layer having a thick pile layer comes into contact with the surface to be cleaned, and dust or the like on the surface to be cleaned adheres. By attaching dust or the like to the center of the pile surface, it is possible to attach dust or the like to the entire pile surface.

  According to the fifteenth aspect of the present invention, since the pile is formed thick at the center of the substrate surface, the thick pile is difficult to bend, and when the entire pile length is uniform, the pile layer becomes thick. . Further, since the thin pile is formed in the peripheral portion of the substrate surface, the thin pile is easy to bend and the layer of the pile is thin. Further, if the length of the thick pile at the center is made longer than the length of the thin pile at the periphery, the layer of the pile at the center can be made thicker and can be formed in a raised shape. Therefore, when the central portion of the pile surface comes into contact with the surface to be cleaned during cleaning and dust or the like on the surface to be cleaned adheres to the central portion of the pile surface, dust or the like can be attached to the entire pile surface.

  According to the sixteenth aspect of the present invention, since the pile is formed hard at the center of the substrate surface, the hard pile is difficult to bend. When the entire pile length is uniform, the pile layer is Become thicker. Since the pile around the substrate surface is formed flexibly, the flexible pile is easy to bend and its layer becomes thin. Further, if the length of the hard pile at the center is made longer, the layer of the pile at the center can be made thicker and can be formed in a raised shape. Accordingly, the central portion of the pile surface contacts the surface to be cleaned during cleaning, and dust or the like adheres to the central portion of the pile surface. As a result, dust or the like on the surface to be cleaned can be adhered over the entire pile surface.

  According to the seventeenth aspect of the present invention, the pile is made of an upright material at the center of the substrate surface, and a crimped material is used at the periphery, so that the pile length is uniform. For example, the upright material at the center is longer than the crimped material on the substrate surface. As a result, the central portion is formed in a raised shape. Therefore, when cleaning, the center portion of the pile surface comes into contact with the surface to be cleaned and dust or the like adheres to the center portion of the pile surface, and dust or the like on the surface to be cleaned can adhere to the entire pile surface.

  According to the eighteenth aspect of the present invention, the pile is made of a material with a small degree of crimping at the center of the substrate surface and a material with a high degree of crimping at the peripheral part. Is uniform, the length of the pile at the central portion with a small degree of crimping is longer than the pile at the peripheral portion with a large degree of crimping. As a result, the central portion is formed in a raised shape. Therefore, when cleaning, the central portion of the pile surface comes into contact with the surface to be cleaned and dust or the like adheres, and dust or the like can adhere to the entire pile surface. The pile can be crimped by heating, and the heating time for heating and crimping and the heating temperature are variably controlled to adjust the degree of crimping and to increase the degree of bulge in the center. It can also be adjusted.

  According to the nineteenth aspect of the present invention, even if the cross mounting surface of the substrate is a flat surface, the cross or pile is formed thick at the center of the substrate surface and thin at the peripheral portion. The central part of the pile surface is in contact with the surface to be cleaned. Accordingly, dust or the like adheres to the center portion of the cloth surface or pile surface during cleaning, and dust or the like on the surface to be cleaned can adhere to the entire cloth surface or pile surface.

  According to the twentieth aspect of the present invention, since the central portion of the cross mounting surface of the substrate is formed to protrude, by attaching the cross to this cross mounting surface, the central portion of the cross surface or the pile surface is further protruded. be able to. Therefore, the center part of the cross surface or the pile surface is in contact with the surface to be cleaned, dust or the like adheres to the center part of the cross surface or the pile surface, and the dust or the like can adhere to the entire cross surface or the pile surface. .

  According to the twenty-first aspect of the present invention, the cross mounting surface of the substrate is formed in a curved shape that gently protrudes from the peripheral portion toward the central portion, and the central portion of the cross surface or the pile surface is raised. Therefore, the cross surface or pile surface that is attached to the cross attachment surface and has a raised central portion is in a state where the central portion is further raised. The central portion of the cross surface or the pile surface can be brought into contact with the surface to be cleaned, and dust or the like on the surface to be cleaned can be adhered over the entire cross surface or the pile surface.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a cleaning tool according to the present invention will be described in detail with reference to FIGS.

  FIG. 1 is a perspective view of a cleaning tool according to a first embodiment of the present invention during cleaning. As shown in FIG. 1, the cleaning tool of the first embodiment is provided with a substrate 2 for fixing a wiping cloth made of a cloth 1, and is rotatably supported on the substrate 2 via a joint 3. A handle 4 is provided. Four radial slits 5 are formed on the upper surface of the substrate 2, and both ends of the cross 1 are pushed into the radial slits 5 and fixed to the substrate 2. The floor surface is cleaned by operating the handle 4 and rubbing the cloth 1 against the floor surface. In the first embodiment, a cloth 1 made of a nonwoven fabric that is thick at the center of the substrate surface 2 a and thin at the peripheral portion is fixed to the substrate 2.

  2 is a side view of the cloth of the cleaning tool shown in FIG. As shown in FIG. 2, the cloth 1 made of non-woven fabric has a thick central portion 1a and a thin peripheral portion 1b. That is, a thick central portion 1a is formed continuously in the widthwise central portion of the cloth 1 in the longitudinal direction. In order to form the cloth 1 made of non-woven fabric with a thick central portion 1a and a thin peripheral portion 1b, the number of needles for hitting the outside of the non-woven fabric or the number of times for hitting the central portion of the non-woven fabric is increased. It is preferable to roughen the number or the number of times of driving. Further, by placing another small non-woven fabric on the central portion of one non-woven fabric, the central portion can be made thick and the peripheral portion can be made thin.

  FIG. 3 is a partial side view of the cloth shown in FIG. 2 attached to the substrate. As shown in FIG. 3, when the cloth 1 made of nonwoven fabric having the shape shown in FIG. 2 is fixed to the substrate 2, the cloth is thick at the center of the substrate surface 2 a and thin at the periphery, and the center of the cloth 1 made of nonwoven fabric is raised. become.

  FIG. 4 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 3. As shown in FIG. 4, when the handle 4 is tilted and operated in the forward direction, the thick central portion 1 a of the cloth 1 made of nonwoven fabric comes into contact with the floor surface U, and dust or the like on the floor surface U is in the center. It adheres to the part 1a. Further, dust or the like on the floor U enters the back side from this central portion, and dust or the like also adheres to the back side. Furthermore, if cleaning is performed while changing the angle of the central handle 4 and changing the angle of the substrate 2, dust or the like on the floor surface U can be adhered over the entire wiping surface of the cloth 1 made of nonwoven fabric. In addition, in the said 1st Example, although the cloth 1 which consists of a nonwoven fabric was demonstrated, it is not restricted to this, You may use a nonwoven paper as the cloth 1. FIG.

  FIG. 5 is a side view of the cloth in the cleaning tool of the second embodiment. As shown in FIG. 5, the cloth 1 in the cleaning tool of the second embodiment is formed by superposing a short base cloth 1B on the center of the base cloth 1A and fixing it by sewing or heat fusion.

  FIG. 6 is a partial side view of the cleaning tool to which the cloth shown in FIG. 5 is attached. As shown in FIG. 6, when the cloth 1 shown in FIG. 5 is fixed to the substrate 2, it becomes thick at the center of the substrate surface 2a and thin at the peripheral portion.

  FIG. 7 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 6. As shown in FIG. 7, when the handle 4 is tilted and operated in the forward direction, the thick portion of the central portion 1 a of the cross 1 comes into contact with the floor surface U, and dust or the like on the floor surface U is in the central portion of the cross 1. It adheres to 1a. Furthermore, when cleaning is performed while changing the angle of the handle 4 and changing the angle of the substrate 2, dust or the like on the floor surface U can be adhered to the entire cloth 1.

  FIG. 8 is a side view of the cloth in the cleaning tool of the third embodiment. As shown in FIG. 8, the cloth 1 is formed by polymerizing base fabrics 1A and 1A, and a small fiber piece 1C is built in between the base fabrics 1A and 1A. In order to integrate the cloth 1, the base fabrics 1A and 1A and the fiber pieces 1C are integrated by sewing or heat-sealing, or the base fabrics 1A and 1A are sewn or heat-sealed. Integrate.

  FIG. 9 is a partial side view of the cleaning tool equipped with the cloth shown in FIG. As shown in FIG. 9, when the cloth 1 shown in FIG. 8 is fixed to the substrate 2, the cloth 1 is thick at the center of the substrate surface 2a and thin at the periphery.

  FIG. 10 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 9. As shown in FIG. 10, when the handle 4 is inclined and operated in the forward direction, the thick portion of the central portion 1 a of the cross 1 comes into contact with the floor surface U, and dust or the like on the floor surface U is in the central portion of the cross 1. It adheres to 1a. Furthermore, when cleaning is performed while changing the angle of the handle 4 and changing the angle of the substrate 2, dust or the like on the floor surface U can be adhered to the entire cloth 1.

  FIG. 11 is a partial side view of the cleaning tool of the fourth embodiment. As shown in FIG. 11, the cleaning tool of the fourth embodiment heats the central portion of the cloth 1 and forms the convex portion 1c with the central portion raised. When the cloth 1 on which the convex portion 1c is formed is fixed to the substrate 2, the convex portion 1c is positioned at the center of the substrate surface 2a, and the central portion is formed thick. Moreover, the convex part 1c can also be formed by embossing.

  FIG. 12 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 11. As shown in FIG. 12, when the floor surface U is cleaned using the cleaning tool shown in FIG. 11, the convex portion 1 c at the center of the cloth 1 comes into contact with the floor surface U, and the dust on the floor surface U touches the convex portion 1 c. Etc. can be attached.

  FIG. 13 is a partial side view of the cleaning tool of the fifth embodiment. As shown in FIG. 13, in the cleaning tool of the fifth embodiment, the central portion of the cloth 1 is crimped to form a convex portion 1d. This uses a material that is crimped by heating at the center of the cloth 1. When the cloth 1 is fixed to the substrate 2, the convex portion 1d that is crimped is positioned at the center of the substrate surface 2a.

  FIG. 14 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 13. As shown in FIG. 14, when the floor surface U is cleaned with the cleaning tool shown in FIG. 13, the crimped convex portion 1d comes into contact with the floor surface U, and dust or the like on the floor surface U adheres to the convex portion 1d. Can be made.

  FIG. 15 is a side view of the cloth in the cleaning tool of the sixth embodiment. In the cleaning tool of the sixth embodiment, the cloth 1 is formed by superposing a plurality of base cloths 1e, and the central part of the base cloth 1e on the wiping surface side is cut. Therefore, the central portion of the cut base fabric 1e is unraveled and rises, and the central portion is formed thick.

  16 is a partial side view of the cleaning tool equipped with the cloth shown in FIG. As shown in FIG. 16, when the cloth 1 shown in FIG. 15 is fixed to the substrate 2, the cloth 1 is raised at the center of the substrate surface 2a.

  FIG. 17 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 16. As shown in FIG. 17, when the floor U is cleaned with the cleaning tool shown in FIG. 16, the raised central part of the cloth 1 comes into contact with the floor U, and dust or the like on the floor U may adhere to the central part. it can.

  FIG. 18 is a partial side view of the cleaning tool of the seventh embodiment. As shown in FIG. 18, the cleaning tool of the seventh embodiment is formed in a curved surface in which the cross mounting surface 2b of the substrate 2A gently protrudes from the peripheral portion toward the central portion. The cloth 1 to be fixed to the cloth attachment surface 2b is formed by superposing a short base cloth 1B on the center of the base cloth 1A and fixing it by sewing or heat fusion. When the cloth 1 is fixed to the substrate 2A, the cloth 1 is thicker at the center of the cloth attachment surface 2b and thinner at the periphery.

  FIG. 19 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 19, the cleaning tool shown in FIG. 18 is in a state in which the center portion of the cross 1 is further raised from the peripheral portion. Dust on the floor U adheres.

  FIG. 20 is a partial side view of the cleaning tool of the eighth embodiment. As shown in FIG. 20, in the cleaning tool of the eighth embodiment, a plurality of piles 6 are implanted on the cloth 1 fixed to the substrate 2. In these piles 6, a long pile 6 a is planted in the cloth 1 at the center of the substrate surface 2 a, and a short pile 6 b is implanted in the cloth 1 in the peripheral part. Even when the long pile 6a is upright or bent, the layer becomes thick. Even if the short pile 6b is in an upright state or a bent state, the layer becomes thin.

  FIG. 21 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 21, when the floor surface U is cleaned with the cleaning tool shown in FIG. 20, the pile 6 a has a thick layer formed at the center of the substrate surface 2 a, and a thin layer formed at the peripheral portion. Therefore, the center of the pile surface contacts the floor surface U during cleaning, and dust or the like adheres to the long pile 6a at the center of the pile surface.

  FIG. 22 is a partial side view of the cleaning tool of the ninth embodiment. As shown in FIG. 22, in the cleaning tool of the ninth embodiment, a plurality of piles 6 are implanted on the cloth 1 fixed to the substrate 2. These piles 6 are formed at a high density in the center of the substrate surface 2a, and are formed at a low density in the peripheral part. The high-density piles 6 in the center are in close contact with each other and are difficult to bend, resulting in a thick layer. The low density pile 6 at the periphery is easy to bend and its layer is thin.

  FIG. 23 (23A) is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 22, and (23B) is a collection of cotton dust when the floor surface is cleaned with the cleaning tool shown in FIG. It is a graph which compares and shows the amount of collection of cotton dust when a floor surface is cleaned with the cleaning tool which has the conventional pile. As shown in (23A), when the floor surface U is cleaned with the cleaning tool shown in FIG. 22, the thick high-density pile 6 in the center layer of the substrate surface 2a comes into contact with the floor surface, and dust or the like on the floor surface U is removed. It adheres to the center pile 6. In the graph in (23B), as a conventional cleaning tool, a cotton pile having a length of 15 mm and a uniform pile density is used. Further, as the cleaning tool of this example, a cotton pile having a length of 15 mm, the pile 6 in the center portion having a high density, and the pile 6 in the peripheral portion having a low density were used. The floor surface was cleaned a plurality of times without separating the conventional cleaning tool and the cleaning tool of the present embodiment from the floor surface, and a cotton dust wiping test was performed. Compared with the collection amount of the conventional cleaning tool (shown by ◆ in the graph), the collection amount (shown by ○ in the graph) of the cleaning tool of this embodiment with the pile density changed was high. As a result, the cleaning tool of the present embodiment was highly effective in collecting dirt and cotton dust up to the inside of the pile surface. This is because large dust such as cotton dust tends to accumulate on the outside, so the cleaning tool of this example with a low pile density on the outside so that the dust can penetrate inside is considered to have high collection performance. The

  FIG. 24 is a partial side view of the cleaning tool of the tenth embodiment. As shown in FIG. 24, in the cleaning tool of the tenth embodiment, a plurality of piles 6 are implanted on the cloth 1 fixed to the substrate 2. In these piles 6, a thick pile 6 c is planted in the cloth 1 at the center of the substrate surface 2 a, and a thin pile 6 d is implanted in the cloth 1 in the peripheral part. The thick pile 6c at the center is difficult to bend and its layer is thick. The thin pile 6d at the periphery is easy to bend and the layer becomes thin.

  FIG. 25 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 25, when the floor surface U is cleaned with the cleaning tool shown in FIG. 24, the thick pile 6c at the center of the pile surface comes into contact with the floor surface U, and dust or the like on the floor surface U adheres.

  FIG. 26 is a partial side view of the cleaning tool of the eleventh embodiment. As shown in FIG. 26, a plurality of piles 6 are planted on the cloth 1 fixed to the substrate 2. In these piles 6, a hard pile 6 e is implanted in the cloth 1 at the center of the substrate surface 2 a, and a flexible pile 6 f is implanted in the cloth 1 at the peripheral part. The central hard pile 6e is difficult to bend and its layer is thick. The flexible pile 6f at the periphery is easy to bend and the layer becomes thin.

  FIG. 27 is a partial side view showing a state where the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 27, when the floor surface U is cleaned with the cleaning tool shown in FIG. 26, the thick and hard pile 6e in the center of the pile surface comes into contact with the floor surface U, and dust or the like adheres to the hard pile 6e. To do.

  FIG. 28 is a partial side view of the cleaning tool of the twelfth embodiment. As shown in FIG. 28, a plurality of piles 6 are planted on the cloth 1 fixed to the substrate 2. In these piles 6, an upright pile 6 g is planted in the cloth 1 at the center of the substrate surface 2 a, and a crimped pile 6 h is planted in the cloth 1 at the periphery. If the entire pile 6 has a uniform length, the central upright pile 6g has a thick layer, and the crimped material pile 6h in the peripheral portion has a thin layer.

  FIG. 29 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 29, when the floor surface U is cleaned with the cleaning tool shown in FIG. 28, dust or the like on the floor surface U adheres to the upright pile 6g having a thick central layer on the substrate surface 2a.

  FIG. 30 is a partial side view of the cleaning tool of the thirteenth embodiment. A plurality of piles 6 are planted on the cloth 1 fixed to the substrate 2. In these piles 6, a pile 6 i made of a material with a small degree of crimp is planted in the cloth 1 at the center of the substrate surface 2 a, and a pile 6 j made of a material with a high degree of crimp is planted in the cloth 1 at the periphery. Yes. If a pile 6 having a uniform length as a whole is used, the pile 6i made of material having a small degree of crimp at the center has a thick layer, and the pile 6j made of material having a large degree of crimp in the peripheral portion has a layer of that layer. Becomes thinner.

  FIG. 31 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 30. As shown in FIG. 31, when the floor surface U is cleaned with the cleaning tool shown in FIG. 30, dust or the like on the floor surface U adheres to the pile 6 i having a thick central layer on the substrate surface 2 a.

  FIG. 32 is a partial side view of the cleaning tool of the fourteenth embodiment. As shown in FIG. 32, in the cleaning tool of the fourteenth embodiment, the center portion of the cloth 1 fixed to the substrate 2 is bent and sewn, and protrudes to form a convex portion 1f. A plurality of piles 6 are planted on the cloth 1, and the piles 6 sewn on the convex portions 1f protrude downward.

  FIG. 33 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 32. As shown in FIG. 33, when the floor surface U is cleaned with the cleaning tool shown in FIG. 32, the protruding pile 6 comes into contact with the floor surface U, and dust or the like on the floor surface U adheres to the protruding pile 6.

  FIG. 34 is a partial side view of the cleaning tool of the fifteenth embodiment. As shown in FIG. 34, a projected portion 1c is formed by heating at the center of the cloth 1 fixed to the substrate 2, and a plurality of piles 6 are implanted on the substrate surface 2a side of the cloth 1. Yes. Among these piles 6, the piles 6 planted on the convex portions 1 c are in a state of protruding.

  FIG. 35 is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. As shown in FIG. 35, when the floor surface U is cleaned with the cleaning tool shown in FIG. 34, the pile 6 located at the center of the substrate surface 2 a implanted in the convex portion 1 c of the cloth 1 comes into contact with the floor surface U. The dust on the floor surface U adheres to the pile 6.

  FIG. 36 is a partial side view of the cleaning tool of the sixteenth embodiment. As shown in FIG. 36, the cross mounting surface 2b of the substrate 2A is formed in a curved surface shape that gently protrudes from the peripheral portion toward the central portion. A plurality of piles 6 are planted on the cloth 1 fixed to the substrate 2A. These piles 6 are formed at a high density in the center of the substrate surface 2a, and are formed at a low density in the peripheral part. The pile 6 at the center is further raised.

  FIG. 37 is a partial side view showing a state where the floor surface is cleaned using the cleaning tool shown in FIG. 36. As shown in FIG. 37, when the floor surface U is cleaned with the cleaning tool shown in FIG. 36, the raised pile 6 located at the center of the substrate surface 2a comes into contact with the floor surface U, and the raised pile 6 is brought into contact with the floor 6 Dust on the surface U adheres.

  FIG. 38 is a side view of the wiping cloth in the cleaning tool of the seventeenth embodiment. As shown in FIG. 38, the pile 6 is planted on the upper surface side of the cloth 1. The piles 6 are provided at a high density in the central part of the cloth 1 and are provided at a low density in the peripheral part.

  FIG. 39 is a partial side view of the cleaning tool in a state where the wipe shown in FIG. 38 is attached to the substrate such that the pile surface is in contact with the substrate surface. As shown in FIG. 39, when the wipe shown in FIG. 38 is attached to the substrate 2, the pile 6 comes into contact with the substrate surface 2a, and the center portion of the cloth 1 is raised. When the floor surface (not shown) is cleaned with this cleaning tool, the central portion of the cloth 1 comes into contact with the floor surface, and dust or the like adheres to the central portion. Moreover, dust etc. penetrate | invade from the center part to the back part, and dust etc. adhere over the whole cloth 1.

  FIG. 40 is a side view of a wiping cloth in the cleaning tool of the eighteenth embodiment. As shown in FIG. 40, piles 6 are planted on both surfaces of the cloth 1. The piles 6 on both sides are provided with a high density at the center of the cloth 1 and with a low density at the periphery.

  FIG. 41 is a partial side view of the cleaning tool with the wiping cloth shown in FIG. 40 attached to the substrate. As shown in FIG. 41, when the wiping cloth shown in FIG. 40 is attached to the substrate 2, the pile 6 on the upper surface side comes into contact with the substrate surface 2a, and the pile 6 on the lower surface side rises in the center. When the floor surface (not shown) is cleaned with this cleaning tool, dust on the floor surface adheres to the center of the pile 6 on the lower surface side. Moreover, dust etc. penetrate | invade from the center part to the back part, and dust etc. adhere to the whole pile 6. In the cleaning tool of the eighteenth embodiment, since the piles 6 on both sides of the cloth 1 are formed in a raised state at the center, the pile 6 on the lower surface side is further raised, and the dust collection efficiency is increased. Can be increased.

  The present invention is not limited to the above-described embodiments and modifications, and includes various modifications and design changes within the technical scope without departing from the technical idea of the present invention. Needless to say.

  The cleaning tool according to the present invention is used when cleaning the floor of a home, office or factory, the floor of a store, etc., and may be rented to a user from a manufacturer or the like by periodically replacing the wipe. Is.

It is a perspective view of the state at the time of the cleaning which shows 1st Example (The center part of a nonwoven fabric is thick, and a peripheral part is thin) of the cleaning tool which concerns on this invention. It is a side view of the cloth of the cleaning tool shown in FIG. It is a partial side view of the state which attached the cloth shown in FIG. 2 to the board | substrate in the cleaning tool shown in FIG. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a side view of cloth (superposition of a short base cloth on the central part of a base cloth) in the cleaning tool of the 2nd example. It is a partial side view of the cleaning tool equipped with the cloth shown in FIG. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a side view of the cloth | cross (a small fiber piece is incorporated between base fabrics) in the cleaning tool of 3rd Example. It is a partial side view of the same cleaning tool equipped with the cloth shown in FIG. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of 4th Example (The center part of cloth is heated and a convex part is formed). It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of the fifth embodiment (crimping the central part of the cross). It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a side view of cloth (cutting the central part of the polymerized base cloth) in the cleaning tool of the 6th example. It is a partial side view of the cleaning tool equipped with the cloth shown in FIG. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of the seventh embodiment (the cross mounting surface of the substrate is curved). It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool (pile of a center part is long, and the pile of a peripheral part is short) of 8th Example. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of the ninth embodiment (pile at the center is high density and pile at the periphery is low density). (23A) is a partial side view showing a state in which the floor surface is cleaned using the cleaning tool shown in FIG. 22, and (23B) is the amount of collected cotton dust when the floor surface is cleaned with the cleaning tool shown in FIG. It is a graph which compares and shows the collection amount of the cotton dust when a floor surface is cleaned with the cleaning tool which has the conventional pile. Is. It is a partial side view of the cleaning tool (thick pile at the center, thin pile at the periphery) of the tenth embodiment. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool (hard pile at the center, flexible pile at the peripheral part) of the eleventh embodiment. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool (upright pile in the center, pile crimped in the periphery) of the twelfth embodiment. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of the thirteenth embodiment (a pile with a small degree of crimp in the center and a pile with a high degree of crimp in the periphery). It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool (the center part of the cloth in which the pile was planted is bent and sewn) of the 14th example. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool of 15th Example (the central part of the cloth where the pile was planted protrudes by heating). It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a partial side view of the cleaning tool (the cross attachment surface of a board | substrate is a curved surface, and a pile is planted in cloth) of 16th Example. It is a partial side view which shows the state which cleans a floor surface using the cleaning tool shown in FIG. It is a side view of the wiping cloth (the pile was provided in the board | substrate surface side) in the cleaning tool of 17th Example. FIG. 39 is a partial side view of the cleaning tool in a state where the wipe shown in FIG. 38 is attached to the substrate such that the pile surface is in contact with the substrate surface. It is a side view of the wiping cloth (the pile was provided in both surfaces of the cloth) in the cleaning tool of 18th Embodiment. It is a partial side view of the cleaning tool of the state which attached the wipe shown in FIG. 40 to the board | substrate. It is a partial side view which shows an example of the conventional cleaning tool. It is a partial side view which shows the state which cleans a floor surface with the cleaning tool. It is a side view which shows the other example of the conventional cleaning tool. It is a sectional side view of the conventional wiping cleaner. It is side sectional drawing at the time of baseplate advance of the wiping cleaning tool. It is a sectional side view at the time of backward movement of the base plate of the wiping cleaning tool.

Explanation of symbols

U floor surface 1 cloth 1A base cloth 1B short base cloth 1C fiber piece 1a central part 1b peripheral part 1c convex part 1d convex part 1e base cloth 1f convex part 2 substrate 2a substrate surface 2b cross mounting surface 3 joint 4 handle 5 radial slit 6 Pile 6a long pile 6b short pile 6c thick pile 6d thin pile 6e hard pile 6f flexible pile 6g upright pile 6h crimped pile 6i pile with small degree of crimp 6j pile with high degree of crimp

Claims (21)

  In the cleaning tool used by fixing the wiping cloth to the substrate and pressing the wiping surface of the wiping cloth against the surface to be cleaned, the wiping cloth is formed thick at the center of the substrate surface and thin at the peripheral portion, and at the time of cleaning A cleaning tool, wherein a central portion of the wiping surface comes into contact with the surface to be cleaned in a swelled manner.   The cleaning tool according to claim 1, wherein the wiping cloth is made of a cloth, the cloth surface is the wiping surface, and the cloth is thick at the center of the substrate surface and thin at the periphery.   The wiping cloth comprises a cloth and a pile planted on one or both surfaces of the cloth, the pile surface or the cloth surface is the wiping surface, the cloth is thick at the center of the substrate surface, and at the peripheral portion. The cleaning tool according to claim 1 formed thin.   The wiping cloth is composed of a cloth and a pile planted on one or both surfaces of the cloth, the pile surface or the cloth surface is the wiping surface, and the pile is thick at the center of the substrate surface. The cleaning tool according to claim 1 formed thin.   The wiping cloth includes a cloth and a pile planted on one or both surfaces of the cloth, the pile surface or the cloth surface becomes the wiping surface, and both the cloth and the pile are thick at the center of the substrate surface. The cleaning tool according to claim 1, wherein the cleaning tool is thinly formed at a peripheral portion.   The cleaning tool according to claim 2, 3, or 5, wherein a convex portion is formed at a central portion of the cloth to thicken the center.   The cleaning tool according to claim 6, wherein the convex portion is formed by heating.   The cleaning tool according to claim 6, wherein the convex portion is formed by crimping.   The cleaning cloth according to claim 6, wherein the cloth is a nonwoven fabric, and the convex portion is formed by increasing the thickness of the nonwoven fabric.   The cleaning tool according to claim 2, 3 or 5, wherein the cloth is formed by superposing a plurality of base cloths, and the width of the base cloth is gradually narrowed to thicken a central part of the cloth.   6. The cloth according to claim 2, 3 or 5, wherein the cloth is formed by superposing a plurality of base cloths, and the center part of the cloth is thickened by cutting the center part of the base cloth on the wiping surface side and raising the center part. Cleaning tools.   The cleaning tool according to claim 2, 3 or 5, wherein the cloth is formed by polymerizing a plurality of base cloths, and a small fiber piece is built in between the base cloths to thicken the center part of the cloth. .   The cleaning tool according to claim 4 or 5, wherein the pile is formed long at a center of the substrate surface and short at a peripheral portion.   The cleaning tool according to claim 4 or 5, wherein the pile is formed at a high density at a center of the substrate surface and is formed at a low density at a peripheral portion.   The cleaning tool according to claim 4 or 5, wherein the pile is thick at the center of the substrate surface and thin at the periphery.   The cleaning tool according to claim 4 or 5, wherein the pile is hard at the center of the substrate surface and is formed flexibly at the periphery.   The cleaning tool according to claim 4 or 5, wherein an upright material is used at the center of the substrate surface and a crimped material is used at the periphery of the pile.   The cleaning tool according to claim 4 or 5, wherein a material having a small degree of crimp is used in the center of the substrate surface, and a material having a large degree of crimp is used in the peripheral part.   The cleaning tool according to claim 1, wherein the cross mounting surface of the substrate is a flat surface.   The cleaning tool according to any one of claims 1 to 18, wherein a central portion of the cross mounting surface of the substrate is protruded.   The cleaning tool according to any one of claims 1 to 18, wherein the cross mounting surface of the substrate is formed in a curved shape that gently protrudes from a peripheral portion toward a central portion.

Images