WO2003070080A1

WO2003070080A1 - Cleaning tool, and method for manufacturing cleaning portion constituting the cleaning tool

Info

Publication number: WO2003070080A1
Application number: PCT/JP2003/001985
Authority: WO
Inventors: Kikuo Yamada
Original assignee: Yamada, Chiyoe
Priority date: 2002-02-22
Filing date: 2003-02-24
Publication date: 2003-08-28
Also published as: US20050144749A1; CA2477210A1; EP1486157A4; JPWO2003070080A1; JP4050705B2; EP1486157A1; KR100601384B1; TW200303183A; KR20040097134A

Abstract

A cleaning tool used for cleaning furniture, electric appliances, walls inside a room, etc. The cleaning tool has high dust collection capability and an excellent dirt wipe-off effect. The cleaning tool comprises a cleaning portion (2) and a handle (5), the cleaning portion (2) being detachably mounted on the handle (5). The cleaning portion (2) is structured by a bulky portion (40) formed in a bent, U shape, a handle insertion portion (3) formed inside the bulky portion (40), strips portions (4) formed along and below the bulky portion (40). A support portion (10) of the handle (5) is inserted into the handle insertion portion (3) of the bulky portion (40) so that the cleaning portion (2) is supported at the end of the handle (5).

Description

TECHNICAL FIELD The present invention relates to a cleaning tool and a method of manufacturing a cleaning unit constituting the cleaning tool.

The present invention relates to a method for manufacturing a cleaning tool for wiping and a cleaning unit constituting the cleaning tool. Background art

Hataki has conventionally been used as a cleaning tool for removing dust on furniture such as evening goods, electric appliances such as personal computers and lighting equipment, walls, sills, and floors of buildings.

Hataki has a structure in which a plurality of cord-like bands are attached to the tip of a handle, and the dust is removed by striking the surface of an object on which the dust adheres. Therefore, the conventional grouper had no function of wiping, and could not remove dust without scattering it into the atmosphere.

In order to improve the problem of the brushwork, there has been proposed a cleaning tool in which a cleaning cloth having a wiping portion and a tapping portion is provided on a head at the tip of a handle (Japanese Patent Laid-Open No. H10-4311). Five ) . However, this cleaning tool did not have sufficient wiping ability by the wiping part, and was inconvenient to use.

In addition, a hand wiper has been proposed which comprises a handle, a head, and a cleaning cloth, forms a main body in the center of the head, and has a thin flexible portion formed around the main body (Japanese Patent Laid-Open Publication No. H11-163873). 2 0 0 0—8 3 8 8 3). However, this hand wiper also has insufficient cleaning ability, Could not do.

SUMMARY OF THE INVENTION An object of the present invention is to provide a cleaning tool which has a large dirt wiping ability and can exhibit a sufficient cleaning ability even in a narrow gap.

Another object of the present invention is to provide a method of manufacturing a cleaning unit that can easily manufacture a cleaning unit constituting a cleaning tool. Disclosure of the invention

The present invention relates to a cleaning tool comprising a cleaning portion and a handle portion, wherein the cleaning portion has a bulky portion bent in a U-shape, a handle portion insertion portion formed inside the bulky portion, and a bulkiness. And a fold formed below the part. According to the present invention, the cut surface of the sheet bundle is formed at the upper portion of the bulky portion, whereby a fluff-like fluff surface can be formed at the upper portion of the bulky portion.

Although the present invention has a fold below the bulky portion, a fold may be formed in the bulky portion itself. In this case, a fold is formed by a cut formed at the upper end of the bulky portion.

The manufacturing method of the cleaning unit includes a process of forming a strip-shaped fold by making a large number of cuts on one side surface and the other side surface of a sheet bundle formed by stacking a plurality of sheets. A step of folding the sheet bundle in two so as to overlap the folds on the other side (first folding step), and forming a seal portion near the folds of the folded sheet bundle to be divided into the folds. A step of forming a bulky portion, a step of further folding the sheet bundle in two so that the folds overlap each other (second folding step), and a step of connecting the folded end portions to each other. In order to form a cut surface of the sheet bundle on the upper portion of the bulky portion and thereby form a fluffy fluffy surface on the upper portion of the bulky portion, the sheet bundle is folded in the first bending step. A cutting line may be inserted along the line.

Further, in order to form a fold in the bulky portion itself, a cutting line may be formed along the bending line in the first bending step of the sheet bundle, and a large number of cuts may be formed in the cutting end face of the cutting line.

In the present invention, since the folds are formed on the cleaning surface, the folds enter the uneven surface or the narrow gap, have an effect of reliably capturing dust and wiping, and also facilitate cleaning in a narrow gap. There is an effect that can be done.

According to the present invention, a sheet bundle formed by laminating a plurality of sheets is cut to form a fold, and the sheet bundle is folded so that the folds overlap each other (first folding). Furthermore, since the bulky portion is bent into a U-shape by performing the second bending so that the folds overlap each other, the folds have a large number per unit area, and the folds have a polymer as a whole. Can be formed, resulting in an excellent wiping ability.

Since the present invention has a bulky portion, a handle insertion portion can be formed in the bulky portion. As a result, there is no need to bond a separate sheet to form the handle insertion portion. Also, in the case where a sheet bundle cutting surface is formed on the upper portion of the bulky portion, thereby forming a fluff surface, or in the case of forming a fold in the bulky portion itself, the bulky portion can be configured as a cleaning surface, As a result, the two surfaces, the folds below the bulky portion and the upper surface of the bulky portion, function as cleaning surfaces, thereby increasing cleaning efficiency and improving usability.

ADVANTAGE OF THE INVENTION According to the manufacturing method of the cleaning part of this invention, there exists an advantage that a cleaning part with a high wiping ability can be manufactured easily by a simple process. BRIEF DESCRIPTION OF THE FIGURES FIG. 1 (a) is a front view of the cleaning tool of the first embodiment of the present invention, FIG. 1 (b) is a plan view of the same, FIG. 2 (a) is a front view of the cleaning tool of the second embodiment of the present invention, 2 (b) is a plan view of the same, FIG. 3 (a) is a front view of a cleaning tool according to a third embodiment of the present invention, FIG. 3 (b) is a plan view of the same, FIG. 4 (a) and FIG. FIGS. 5A and 5B are explanatory views of an example of a method of manufacturing a cleaning unit constituting the cleaning tool according to the first embodiment of the present invention. FIGS. 5A and 5B are diagrams illustrating a cleaning unit constituting the cleaning tool according to the second embodiment of the present invention. FIGS. 6 (a) and 6 (b) are explanatory diagrams of an example of a manufacturing method of a cleaning unit constituting a cleaning tool according to the third embodiment of the present invention, and FIG. FIG. 7B is a front view showing an example of the handle portion in the present invention, FIG. 7B is a plan view of the handle portion, FIG. 8 is a front view of the handle portion in the folded state, and FIG. Fig. 9 (b) is a longitudinal section along the line D-D in Fig. 7 (a), Fig. 10 (a) is another state of the handle. FIG. 10 (b) is a plan view showing a state where the drip portion of the handle of FIG. 10 (a) is extended, and FIG. 11 (a) is a diagram showing an E-line of FIG. 10 (a). Fig. 11 (b) is a longitudinal sectional view along line E, Fig. 11 (b) is a sectional view showing the state in which the protrusion of Fig. 11 (a) is pushed in, and Fig. 12 (a) is the handle of Fig. 10 (a). Fig. 12 (b) is a side view of a main part showing a state where a stopper of the grip part of Fig. 12 (a) is moved, and Fig. 13 (b) is a side view of a main part showing a joint portion between the grip part and the support part. a) is a longitudinal section of the main part near the stopper in Fig. 12 (a), Fig. 13 (b) is a longitudinal section of the main part near the stopper in Fig. 12 (b), and Fig. 14 (a) is a figure. FIG. 12 (a) is a longitudinal sectional view of a main part near the joint, and FIG. 14 (b) is a longitudinal sectional view of a principal part near the joint of FIG. 12 (b). BEST MODE FOR CARRYING OUT THE INVENTION

FIG. 1 shows a first embodiment of the present invention, in which a cleaning tool 1 includes a cleaning portion 2 and a handle portion 5, and the cleaning portion 2 includes a bulky portion 40 bent in a U-shape. It is composed of a handle insertion portion 3 formed inside the bulky portion 40 and a fold portion 4 formed along and below the bulky portion 40. Cleaning unit 2 stacks multiple sheets The folded sheet bundle is configured to be folded twice as described below (in FIG. 1, 7 indicates a first bent portion, and 9 indicates a second bent portion). A linear seal portion 6 is provided in the sheet bundle in parallel with the bent portion 7, and a space formed by providing the seal portion 6 is configured as a pattern insertion portion 3. The seal portion 6 is formed by, for example, heat fusion. Reference numerals 8a and 8b denote entrances of the pattern insertion portion 3, respectively.The provision of the first seal portion 6 parallel to the bent portion 7 means that the first seal portion 6 is slightly inclined with respect to the bent portion 7. It also means that it is curved or curved.

The folds 4 have a strip shape, and the folds 4 are formed by making a large number of cuts on one side and the other side of the sheet bundle as described later. Can be.

The width of the strip is not limited, but is preferably 0.5 to 5 mm, more preferably 1 to 3 mm. If the width is less than 0.5 mm, the folds 4 may be easily cut off. If the width is more than 5 mm, the width is too wide and the ability to catch dust in narrow grooves may be reduced.

Although the length of the strip is not limited, it is preferably from 20 to 100 mm, more preferably from 30 to 90 mm, and still more preferably from 40 to 70 mm. If the length is less than 200 mm, it may be too short to remove dust efficiently. If the length is more than 100 mm, it may be too long and difficult to handle. (4) There is a risk that the two will become entangled and tend to form a dumpling.

It is preferable that a notch 11 is provided at the upper end of the bent portion 9 in the cleaning portion 2 (that is, at the tip of the bulky portion 40) as shown in FIG. like this With this configuration, after forming the sealing portion 6 on the folded sheet bundle, the folding can be easily performed when the second folding is performed so that the folded portions 4 overlap each other. In addition, the provision of the notch 11 makes it easier to push the tip of the cleaning portion 2 into the narrow gap, so that cleaning of the narrow gap becomes easy.

After the sheet bundle is subjected to the second bending to bend the bulky portion 40 into a U-shape, a connecting portion 12 for connecting the bent ends to each other is provided. The connecting portion 12 is provided at an arbitrary position of the bulky portion 40, but is preferably provided near the ends of the openings 8 a and 8 b of the handle insertion portion 3. Examples of the joining means include methods such as heat fusion and sewing.

The bulky portion 40 and the fold portion 4 are provided integrally, but as another embodiment of the present invention, both may be made separately and joined by heat fusion, sewing, or the like.

The sheets constituting the sheet bundle of the present invention are preferably made of short fibers. Since the short fibers have a function of capturing and holding dust in the fine voids, they are suitable as a material for wiping dust.

The short fibers constituting the sheet are not particularly limited, but synthetic fibers are preferred in that a sheet bundle can be easily produced by stacking a plurality of sheets and hot pressing.

The synthetic fiber is not particularly limited, but a conjugate fiber obtained by coating a high melting point polyester with a low melting point polyethylene is preferable. The composite fiber thus configured is rich in rigidity and excellent in flexibility, and therefore has an excellent dust wiping effect. In addition, even when the temperature is set to be higher than that of polyethylene during the heat fusion, the shape as the fiber is maintained, so that the heat fusion becomes easy.

Examples of the sheet made of the short fibers include a woven fabric and a nonwoven fabric. A nonwoven fabric which is excellent in dust absorption and abrasion resistance is preferred. Examples of the nonwoven fabric include spunless nonwoven fabric, spun pound nonwoven fabric, suction pound nonwoven fabric, suction heat pound nonwoven fabric, and melt blown nonwoven fabric. Although the number of sheets constituting the sheet bundle of the present invention is not limited, 2 to 10 sheets are preferable, and 3 to 6 sheets are more preferable.

FIG. 2 shows a second embodiment of the present invention. According to this embodiment, a sheet bundle cut surface 15 is formed above the bulky portion 40, thereby forming the bulky portion 40. A raised fluff surface is formed at the upper part. In order to form a fluffy fluff surface on the upper part of the bulky portion, a cutting line may be cut along the folding line in the first folding step of the sheet bundle. At the time of this sheet cutting, a fluff surface is formed.

Further, in this embodiment, two seal portions of a first seal portion 6 and a second seal portion 17 are provided as seal portions, and a space formed by the two seal portions is provided. It is configured as a pattern input section 3.

FIG. 3 shows a third embodiment of the present invention. In this embodiment, the bulk portion 40 itself is also provided with a fold 16. The fold portion 16 is provided at the upper end of the bulky portion 40, and has a strip shape like the fold portion 4 below the bulky portion 40.

In order to form the fold 16 at the upper end of the bulky portion 40 in this manner, a cutting line is inserted along the folding line in the first folding step of the sheet bundle, and along the cutting end face of the cutting line. You can make many cuts.

Also in this embodiment, two seal portions, that is, a first seal portion 6 and a second seal portion 17 are provided as seal portions, and a space formed by the two seal portions is patterned. It is configured as an import section 3. Next, an example of a method of manufacturing the cleaning unit 2 will be described with reference to FIGS.

First, a sheet-like material is produced by stacking short fibers and heating and pressing. Next, a plurality of the sheets are stacked to form a sheet bundle 21.

Next, as shown in FIG. 4 (a), FIG. 5 (a), and FIG. 6 (a), seal portions 22, 23 are provided at both ends in the longitudinal direction of the sheet bundle 21. It is preferable that the seal portions 22 and 23 are formed by heat fusion by heating and pressing.

Next, a number of cuts 2 are provided on one side 2 4 and the other side 2 5 of the sheet bundle 2 1 respectively.

By inserting 6, 27, two strip-shaped folds 4 are formed. If the strength of the sheet bundle is directional, the cuts 26 and 27 can be formed parallel to the direction in which the strength of the sheet bundle is excellent, so that the fold 4 can be prevented from being easily broken. preferable.

A punch hole 28 is formed at the center of the sheet bundle 21 simultaneously with the step of forming the cuts 26 and 27. There is no limitation on the shape of the hole 28. However, as shown in FIGS. 4 (a), 5 (a) and 6 (a), the first folding line (A— A circle having two small chevron-shaped projections 35 in the A-line) direction is preferred. When the hole 28 is formed in this way, the notch 1 1 becomes linear as shown in Figure l (a), Figure 2 (a), and Figure 3 (a), and the cleaning section 2 is bent. This is preferable because it is easy to bend from the part 9 and the tip of the cleaning part 2 has a pointed shape, so that it can be easily pushed into a narrow gap during cleaning.

When manufacturing the cleaning unit 2 according to the second embodiment, before proceeding to the next step, as shown in FIG. 5 (a), a cutting line 30 is cut along the first folding line (A-A line). Insert By inserting the cutting line 30 in this way, a raised fluff surface can be formed on the cut surface.

When manufacturing the cleaning unit 2 in the third embodiment, before proceeding to the next step As shown in FIG. 6 (a), a cutting line 30 is made along the first bending line (A-A line), and a number of cuts 31 and 3 are made along the cutting end face of the cutting line 30. Insert 2. By forming the cuts 31 and 32 in this manner, a strip-shaped fold 16 can be formed in the bulky portion 40 itself.

Next, the sheet bundle 21 is folded in two along the first folding line (A-A line) so that the fold 4 of the one side 24 overlaps the fold 4 of the other side 24 (first). Bending process).

Next, as shown in FIG. 4B, a seal portion 6 is formed in the vicinity of the fold 4. As a means for forming the seal portion 6, heat fusion is preferable. In the second and third embodiments, second seal portions 17 are provided at appropriate intervals in addition to the seal portions 6 (FIGS. 5 (b) and 6 (b)).

By forming the seal portion 6 in this manner, a bulky portion 40 partitioned from the fold portion 4 is formed, and a space portion is formed inside the bulky portion 40, and the space portion is formed by the pattern insertion portion 3. Is configured as In the second and third embodiments, the space portion (handle insertion portion 3) is formed between the two seal portions 6 and 17.

Next, in each of the first, second and third embodiments, as shown in FIG. 4 (b), FIG. 5 (b) and FIG. 6 (b), the first folding line (A—A The sheet bundle 21 is folded in two so that the folds 4 overlap each other along a second folding line (line B-B) passing at a right angle through the center of the sheet bundle) (second folding step). If it is bent, the cleaning unit 2 can be obtained. The first fold line (A-A line) corresponds to the fold 7 and the second fold line (B-B) corresponds to the fold 7.

The bulky portion 40 is bent into a U-shape by the second bending step. Next, the area near the entrances 8a and 8b in the pattern insertion part 3 of the bulky part 40 is used for heat fusion, etc. Connect more and fix U-shape. Thus, the cleaning unit 2 including the bulky portion 40 bent in a U-shape and the fold portion 4 formed below the bulky portion 40 is manufactured.

The support members 10a and 10b of the handle 5 are inserted into the handle insertion portion 3 from the inlets 8a and 8b of the handle insertion portion 3 of the cleaning unit 2 thus formed, and the handle 5 Support and fix the cleaning unit 2 to the tip of the. The cleaning unit 2 is detachably attached to the handle 5.

The handle in the present invention comprises a grip portion and a support portion, and various shapes can be used.

As the material of the handle, plastic, metal, wood, etc. can be used, but plastic is preferred because of its light weight and low cost. When a plastic is used as a material, a polyolefin resin such as a polyethylene resin or a polypropylene resin is preferable because molding is easy.

A preferred embodiment of the handle constituting the cleaning tool of the present invention will be described with reference to FIGS. 7, 8, and 9. FIG.

The handle 5 includes a grip portion 42 and a support portion 10, and the support portion 10 includes a support member 10a and a support member 10b.

The distance between the support members 10a and 10b provided on the handle 5 is preferably wider than the distance between the inlet 8a and the inlet 8b of the handle insertion part 3. No. With this configuration, when the support members 10 a and 10 b are inserted into the pattern insertion portion 3, the intervals between the support members 10 a and 10 b are reduced, and after the insertion into the pattern insertion portion 3. The external force is exerted by the restoring force of the support members 10a and 10b, and the support members 10a and 10b are securely held in the pattern insertion portion 3, and the support members 10a and 10b are cleaned at the time of cleaning. a and 10b do not easily come off the handle insertion portion 3. As shown in FIG. 7, a mountain-shaped notch 41 is provided outside the two support members 10a and 10b. It is preferable that the notch angle on the tip side of the support portion 10 of the notch portion 41 is large, and the notch angle j8 of the notch portion 41 on the side of the lip is also large. When the notch 41 is provided, the two support members 10a and 10b can be easily inserted into the pattern insertion portion 3, and the support members 10a and 10b can be easily inserted from the pattern insertion portion 3. The support members 10a and 10b can be prevented from detaching from the handle insertion portion 3 during cleaning.

The support portion 10 and the drip portion 42 can be bent, and both can be fixed in a state where the support portion 10 and the drip portion 42 are extended.

A receiving portion 44 is provided at the base of the support portion 10, an insertion portion 45 is provided at the tip of the grip portion 42, and a concave portion 46 that can be fitted with the insertion portion 45 is provided inside the receiving portion 44. A bearing hole 49 is provided in the side wall 47 and the side wall 48 in the concave portion 46 formed in the receiving portion 44, and a shaft 50 provided in the side wall 51 and the side wall 52 of the insertion portion 45 is a bearing. It is rotatably supported in holes 49.

A locking projection 54 is provided on the ceiling 53 of the receiving portion 44, and a locking recess 55 capable of fitting with the locking projection 54 is provided on the upper surface 56 of the insertion portion 45. Rotate the drip portion 42 around the shaft 50 to insert the insertion portion 45 into the concave portion 46, and insert the locking projection 54 in the concave portion 46 into the locking concave portion 55 of the insertion portion 45. Fit. As a result, the lip portion 42 and the support portion 10 are in an extended state. If the grip portion 42 is rotated in the opposite direction to the above, the engagement between the locking projection 54 and the locking concave portion 55 is released, and the grip portion 42 can be folded down below the support portion 10. .

Note that the receiving portion 44 may be provided on the grip portion 42, the insertion portion 45 may be provided on the support portion 10, and the locking projection 54 may be provided on the insertion portion 45 to receive the locking recess 55. Section 44 may be provided. FIG. 10 (a) shows another embodiment of the handle 'used for the cleaning tool of the present invention. The handle portion of the embodiment shown in FIG. 10 (a) has both a support portion 10 comprising two support members 10a and 10b and a drip portion 61 which can be bent at the joint portion 63. The drip portion 61 is configured to extend.

The handle of the embodiment shown in FIG. 10 (a) has a gap inside the grip 61, the core 62 is accommodated in the gap, and the grip 61 covers the periphery of the core 62. It is fitted to the core so that it can slide in the longitudinal direction. As shown in FIG. 10 (b), by sliding the grip portion 61 in the longitudinal direction of the core member 62, the handle portion is elongated and elongated.

A protrusion 67 is provided near the longitudinal end of the core member 62 as shown in FIG. Further, through holes 65 and 66 in which the protrusions 67 are fitted are provided near both ends in the longitudinal direction of the grip portion 61. As shown in FIG. 10 (a), when the grip portion 61 is reduced, the protrusion 67 of the core member 62 is fitted in the through hole 66 on the rear end side of the grip portion 61. . As shown in FIG. 10 (b), when the grip portion 61 is extended, the protrusion 67 of the core member 62 is fitted and fixed in the through hole 65 on the tip side of the grip portion 61. You. The grip portion 61 is fixed at a predetermined position by fitting the projection 67 with the through holes 65, 66. The projections 67 prevent the grip portion 61 from being pulled out too much when the grip portion 61 is extended, so that the grip portion 61 comes off the core member 62.

As shown in FIG. 11 (a), when the projections 67 of the core member 62 are fitted in the through holes 66 (or 65) of the drip portion 61, the core member 62 is The grip part 61 is locked so that it does not move easily. As shown in FIG. 11 (b), the thickness of the portion of the end of the core material 62 where the protrusion 67 is provided is formed to be thin. When sliding the grip 61, push the projection 67 with your finger as shown in the figure. When the protrusion 67 is pushed into the space inside the grip 61, the locked state of the protrusion 67 and the through hole 66 can be easily released, and the drip portion 61 becomes the core 6 2 can be slid freely.

In addition, the handle in the mode shown in FIG. 10 (a) is formed so as to be bent at the connecting portion between the grip portion and the support portion so as to be folded in two, and when used in a state where both are extended. A break prevention function is provided to maintain the stretched state and prevent easy bending. Specifically, as shown in FIG. 12 (a),), the stopper 64 formed so as to be slidable in the longitudinal direction of the core member 62 and the side wall of the coupling portion 63 of the support portion 10 are connected. It is possible to form a bending prevention mechanism from the extended locking claw pieces 68.

As shown in Fig. 12 (a), in order to fix the grip part so that it does not rotate with the grip part linearly extended with respect to the support part, the stopper 64 is attached to the longitudinal direction of the core material 62. In the direction of being pressed against the connecting portion 63. In this state, the upper end of the stopper 64 on the coupling portion 63 side is in contact with the locking claw piece 68 and cannot be moved upward. On the other hand, as shown in FIG. 12 (b), when the stopper — 64 is slid along the core toward the lip in the longitudinal direction of the core 62, the stopper 64 becomes a locking claw piece 6 8. Will not come into contact with. While the stopper 64 is slid in this manner, the core member 62 is rotated by approximately 180 ° around the rotation shaft 69 that is supported by the connecting portion 63 of the support members 10a and 10b. Then, it can be folded in two.

The stopper 64 is formed so as not to move more than necessary when the core 62 is slid in the longitudinal direction so as to be disengaged from the locking claw 68. As shown in FIGS. 13 (a) and 13 (b), a cylindrical projection 71 is provided on the upper surface of the core member 62, and a groove-shaped concave portion 72 is provided on the side of the cylindrical projection 71 of the stopper 64. ing . Further, the groove-shaped concave portion 72 is formed as a wall in which the grip side of the stopper 16 is open and the coupling portion 63 side is closed. As shown in FIG. 13 (b), when the stopper 64 is slid so that the stopper 62 is disengaged from the locking claw piece 68 of the connecting portion 63 so that the core member 62 can rotate. The cylindrical projection 71 abuts on the wall of the coupling portion side of the groove-shaped concave portion 72 of 64, and the stopper 64 cannot slide further in the grip direction.

The handle of the embodiment of FIG. 10 is fixed to the support portion and the grip portion so as not to bend when the support portion and the grip portion are linearly extended, as shown in FIGS. 14 (a) and (b). In addition, there is provided a fixing mechanism composed of a hemispherical projection 73 provided on the bottom surface between the side walls of the connecting portion 63 and a hemispherical recess 74 formed so that the hemispherical projection 73 can be fitted. ing. When the grip portion and the support portion were immediately extended, the hemispherical projection 73 of the support portion 10 was fitted into the hemispherical concave portion 74 of the core member 62, as shown in Fig. 14 (a). The state is fixed. On the other hand, when folding the handle, as shown in Fig. 14 (b), a small force is applied to the grip and the handle is rotated. The fitted state of the hemispherical projections 73 of the part 10 is released, and the core member 62 and the grip part 61 are rotated, so that the support part and the grip part can be folded in two.

Since the cleaning tool of the present invention has the folds 4, it has a function of reliably catching dust. In addition, when the sheet bundle cut surface 15 is formed on the upper portion of the bulky portion 40 or the fold portion 16 is formed on the bulky portion 40 itself, not only the lower surface (fold portion 4) of the cleaning tool, Wiping cleaning can also be performed using the upper surface of the cleaning tool (the fluff surface or the fold portion 16 of the sheet bundle cut surface 15).

The cleaning unit 2 is a disposable type. After use, remove the cleaning unit 2 from the handle 5 and replace it with a new cleaning unit. Industrial applicability

INDUSTRIAL APPLICABILITY The present invention is useful in households and the like as a cleaning tool for removing dust on furniture such as a closet, an electric product such as a personal computer and lighting equipment, walls, a sill, and a dwelling in a building.

Claims

The scope of the claims

1. A cleaning tool comprising a cleaning portion and a handle portion, wherein the cleaning portion has a bulky portion curved in a U-shape, a handle insertion portion formed inside the bulky portion, and a cleaning tool along the bulky portion. A cleaning tool comprising: a fold formed below a lever.

2. The cleaning tool according to claim 1, wherein the folds are formed in a strip shape.

3. The cleaning tool according to claim 1, wherein a sheet bundle cut surface is formed at an upper portion of the bulky portion.

4. The cleaning tool according to claim 1, wherein the bulky portion has a fold at an upper portion thereof.

5. A number of cuts are made on one side and the other side of the sheet bundle composed of a plurality of stacked sheets to form a strip-shaped fold, and the fold on one side is a fold on the other side. The sheet bundle is folded in two so that it overlaps, a seal is formed in the vicinity of the fold, a bulky portion is formed that is separated from the fold, and the sheet bundle is further folded so that the fold overlaps with each other. A cleaning portion is formed by folding in two to form a bulky portion bent in a U-shape and a fold formed below the bulky portion, and a space formed inside the bulky portion A cleaning tool, wherein the cleaning tool is formed as a handle insertion part, and a support part of the handle is inserted into the handle insertion part to support the cleaning part on the handle.

6. The cleaning tool according to claim 5, wherein a cutting line is provided at the center of the sheet bundle, and the sheet bundle is folded in two along the cutting line.

7. A large number of cuts are made on one side and the other side of the sheet bundle formed by stacking multiple sheets to form strip-shaped folds, and cut at the center of the sheet bundle. A line is formed, and a number of cuts are made in this cutting line to form a strip-shaped fold. The sheet bundle is folded in two along the cutting line, a seal portion is formed near the fold portion to form a bulky portion partitioned from the fold portion, and the sheet is overlapped with the fold portion. The bundle is further folded in two to form a cleaning portion comprising a bulky portion bent in a U-shape and having a fold and a fold formed along and below the bulky portion. A cleaning tool comprising: a space formed in the inside as a pattern insertion section; and a support section for the pattern section inserted into the pattern insertion section to support the cleaning section on the pattern section.

8. A process of forming a strip-shaped fold by making a large number of cuts on one side and the other side of a sheet bundle formed by stacking a plurality of sheets, and a fold on one side being a fold on the other side. Folding the sheet bundle into two so that it overlaps the first part (first folding step), and forming a seal part near the fold part of the folded sheet bundle to form a bulky part partitioned from the fold part. Forming a sheet bundle, further folding the sheet bundle in two so that the folds overlap each other (second folding step), and connecting the folded ends to each other. Production method.

9. The method for manufacturing a cleaning unit according to claim 8, wherein a cutting line is cut along a folding line in the first folding step of the sheet bundle.

10. A process of forming strip-shaped folds by making a large number of cuts on one side and the other side of a sheet bundle formed by stacking multiple sheets, and cutting at the center of the sheet bundle Providing a line, forming a plurality of cuts in the cutting line to form a strip-shaped fold, and a step of folding the sheet bundle into two along the cutting line (first bending step). Forming a seal portion in the vicinity of the fold of the folded sheet bundle to form a bulky portion separated from the fold, and further folding the sheet bundle in two so that the folds overlap each other. Bending process (second bending And a step of connecting the bent ends to each other.