EP3246101B1 - Dispositif de nettoyage - Google Patents
Dispositif de nettoyage Download PDFInfo
- Publication number
- EP3246101B1 EP3246101B1 EP15877879.5A EP15877879A EP3246101B1 EP 3246101 B1 EP3246101 B1 EP 3246101B1 EP 15877879 A EP15877879 A EP 15877879A EP 3246101 B1 EP3246101 B1 EP 3246101B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- end section
- guide part
- insertion end
- gap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims description 130
- 238000003780 insertion Methods 0.000 claims description 99
- 230000037431 insertion Effects 0.000 claims description 99
- 229920001971 elastomer Polymers 0.000 claims description 28
- 239000000806 elastomer Substances 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 description 9
- 230000007704 transition Effects 0.000 description 6
- -1 polypropylene Polymers 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/145—Swabs
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0253—Bristles having a shape which is not a straight line, e.g. curved, "S", hook, loop
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3073—Brush for cleaning specific unusual places not otherwise covered, e.g. gutters, golf clubs, tops of tin cans, corners
Definitions
- the present invention relates to a cleaning implement.
- JP 2001-087211 discloses a cleaning implement including a shaft part and a fiber lump (cleaning part) attached to a tip portion of the shaft part.
- a cleaning part is formed by compressing a predetermined amount of fibers.
- elastomers are known as materials which can be used for molding a cleaning part for cleaning minute gaps without causing the fluffing problem.
- the cleaning part formed by the elastomer does not generate fluffing and effectively removes contamination from minute gaps by friction generated between the cleaning part and the object to be cleaned.
- the cleaning part is formed of an elastomer
- the improvement of the insertability of the cleaning part into the minute gaps is insufficient.
- an operation of changing the insertion direction (posture of the shaft part) of the cleaning part into the gap is necessary to allow for the insertion of the cleaning part toward the back of the gap. Since this operation is necessary every time the tip of the cleaning part contacts the object to be cleaned, it is very difficult to insert the cleaning part toward the back of the gap.
- An object of the present invention is to provide a cleaning implement that enables easy insertion of a cleaning part deep into a minute gap.
- a cleaning implement is for cleaning a minute gap formed between mutually adjacent objects to be cleaned, the cleaning implement including: a shaft part which has a shape that extends in a specific direction and can be inserted in the gap, and has an insertion end section formed at one end in the specific direction and a base end section formed at the other end in the specific direction; and a cleaning part which is composed of an elastomer having a hardness lower than a hardness of the shaft part, covers a portion of the shaft part, and can clean the gap, the portion including the insertion end section and having a dimension equal to or less than a dimension of the shaft part in an axial direction of the shaft part, wherein the shaft part has a shape that can be flexurally deformed so as to allow displacement of the insertion end section relative to the base end section in an axially perpendicular direction, which is perpendicular to the axial direction; the cleaning part has a cleaning-part body that covers an outer peripheral surface of the shaft part, and a guide part
- a cleaning implement 1 according to one embodiment of the present invention will be described with reference to Figs. 1 to 5 .
- the present cleaning implement 1 is for cleaning a minute gap (such as a gap between keys of a keyboard or between back teeth, etc.) formed between adjacent objects T to be cleaned (see Figs. 4 and 5 ).
- the cleaning implement 1 of the present embodiment includes a base part 10 and a cleaning part 20 made of an elastomer having a hardness lower than the hardness of the base part 10.
- the base part 10 is formed of a synthetic resin such as polypropylene.
- the base part 10 is preferably formed of polypropylene to obtain elasticity suitable for the base part 10 and improve insertability into the gap, but may be also formed of a synthetic resin such as ABS, a polycarbonate, polybutylene terephthalate, polyethylene terephthalate, polystyrene, and a polyacetal.
- a synthetic resin such as ABS, a polycarbonate, polybutylene terephthalate, polyethylene terephthalate, polystyrene, and a polyacetal.
- a styrene elastomer is preferably used.
- a silicone, an olefin elastomer, a polyester elastomer or the like may also be used as the elastomer.
- the base part 10 has a shaft part 12 having a shape extending linearly along a specific direction (vertical direction in Fig. 1 ) and a grip part 14.
- the shaft part 12 has a shape that can be inserted into a minute gap S (see Fig. 4 ).
- the shaft part 12 has an insertion end section 12a formed at one end in the specific direction and a base end section 12b formed at the other end in the specific direction.
- the shaft part 12 has such a shape that the insertion end section 12a can be flexurally deformed so as to be displaced in an axially perpendicular direction (a lateral direction in Fig. 1 ) which is perpendicular to an axial direction of the shaft part 12, with the base end section 12b as a fulcrum.
- the shaft part 12 is formed in a substantially cylindrical shape.
- the shaft part 12 has a shape such that the outer diameter of the shaft part 12 gradually reduces from the base end section 12b toward the insertion end section 12a.
- the insertion end section 12a is formed into a hemispherical shape which is curved so as to be convex outward in the axial direction.
- the axial dimension of the shaft part 12 is set to 29 mm
- the diameter of the base end section 12b is set to 1.2 mm.
- the radius of the insertion end section 12a is set to 0.27 mm.
- the grip part 14 is a portion gripped by a person.
- the grip part 14 is connected to the base end section 12b of the shaft part 12.
- the grip part 14 is formed in a cylindrical shape having an outer diameter that is somewhat larger than the outer diameter of the shaft part 12.
- this shape of the grip part 14 is not limiting.
- the cleaning part 20 covers a portion of the shaft part 12 including the insertion end section 12a and having a dimension equal to or less than the dimension of the shaft part 12 in the axial direction, and has a shape capable of cleaning a gap S.
- the cleaning part 20 has a shape that covers a portion of the shaft part 12 that continuously extends from the insertion end section 12a along a direction from the insertion end section 12a to the base end section 12b.
- the dimension of the cleaning part 20 in the axial direction is set to 15.4 mm.
- the cleaning part 20 has a cleaning-part body 22 and a guide part 24.
- the cleaning-part body 22 has a shape covering the outer peripheral surface of the shaft part 12 including the insertion end section 12a.
- the cleaning-part body 22 has a cylindrical outer peripheral surface.
- the cleaning-part body 22 includes a first covering section 22a that covers the outer peripheral surface of a portion of the shaft part 12 other than the insertion end section 12a, and a second covering section 22b that covers the outer peripheral surface of the insertion end section 12a.
- the thickness t1 (dimension in the lateral direction in Fig. 2 ) of the first covering section 22a is set to 0.10 mm.
- the second covering section 22b has a shape that gradually increases in thickness with the distance in the axially outward direction from the first covering section 22a.
- the guide part 24 has a shape projecting outward in the axial direction from the insertion end section 12a and guiding the insertion of the cleaning-part body 22 into the gap S.
- the guide part 24 has a shape that is elastically deformable in the axially perpendicular direction with respect to the insertion end section 12a.
- the projection dimension t2 of the guide part 24 from the insertion end section 12a is set larger than the thickness t1 of the first covering section 22a. It is preferable that the projection dimension t2 be set to 3 times or more and 10 times or less the thickness t1 of the first covering section 22a.
- the projection dimension t2 be set to be 3 times or more and 5 times or less the thickness t1 of the first covering section 22a. Furthermore, it is preferable that the projection dimension t2 be set to 0.6 times or more and 4 times or less of the diameter d of the insertion end section 12a (1.1 times or more and 8 times or less the radius of the insertion end section 12a). In the present embodiment, the projection dimension t2 is set to 4 times the thickness t1 of the first covering section 22a, that is, to 0.40 mm. This value is about 1.5 times the radius of the insertion end section 12a.
- the cross section of the portion of the guide part 24 which is in contact with the insertion end section 12a in the plane perpendicular to the axial direction is formed in a circular shape having the same radius as the radius of the tip portion of the second covering section 22b.
- the guide part 24 is formed in a hemispherical shape which is curved so as to be convex outward in the axial direction.
- the projection dimension t2 is set to a value equal to the radius of the guide part 24.
- a fine protrusion 25 is connected to the tip of the guide part 24.
- the fine protrusion 25 has a shape protruding outward in the axial direction from the tip of the guide part 24.
- the fine protrusion 25 is formed in a conical shape.
- the outer diameter of the connecting portion between the fine protrusion 25 and the guide part 24 is set to be smaller than the outer diameter (the radius of the guide part 24) of the connection portion between the guide part 24 and the second covering section 22b.
- the dimension of the fine protrusion 25 in the axial direction is set to be smaller than the projection dimension t2 of the guide part 24.
- fine protrusion 25 may be omitted.
- the Shore hardness of the elastomer is set such that the pressing force necessary for pressing the guide part 24 from the insertion end section 12a side toward the base end section 12b side until the guide part 24 is displaced by 5.0 mm in the axial direction, while the guide part 24 is elastically deformed and the shaft part 12 is flexurally deformed, is 1.0 N or more and 8.0 N or less in a state in which the portion of the cleaning implement 1 which is 10 mm apart from the tip of the guide part 24 on the base end section side is fixed.
- the Shore hardness of the elastomer is set such that the pressing force is 3.0 N or more and 7.0 N or less, and even more preferably such that the pressing force is 4.0 N or more and 7.0 N or less.
- An elastomer having a Shore hardness of A0 to A50 can be used, and in this embodiment, an elastomer having a Shore hardness of A40 is used.
- the pressing force is measured with the pressure testing machine 30 shown in Fig. 3 .
- the pressure testing machine 30 has a fixing base 32 capable of fixing the cleaning implement 1 and a pressing part 34 capable of pressing the cleaning implement 1 fixed to the fixing base 32.
- the pressing part 34 is disposed vertically above the fixing base 32 and is configured to be able to press the cleaning implement 1, which is fixed to the fixing base 32, downward in the vertical direction.
- the cleaning implement 1 is fixed to the fixing base 32 in a posture in which the direction from the grip part 14 to the guide part 24 is oriented vertically upward. Specifically, as shown in Fig. 3 , the entire portion of the cleaning implement 1, at a distance of 10 mm or more from the tip of the guide part 24 toward the base end section 12b side, is fixed by the fixing base 32.
- the pressing part 34 presses the cleaning implement 1 vertically downward. Specifically, from the state in which the lower surface of the pressing part 34 is in contact with the guide part 24, the pressing part 34 is displaced by 5.0 mm vertically downward toward the fixing base 32. As the pressing part 34 is pressed, the guide part 24 displaces by 5.0 mm in the axial direction while the guide part 24 is elastically deformed and the shaft part 12 is flexurally deformed. Then, the pressing force is measured at the time the pressing part 34 is displaced by 5.0 mm.
- FIG. 4 and 5 show a cross section in the vicinity of the tip of the cleaning implement 1.
- the present cleaning implement 1 is inserted toward the gap S between the objects T to be cleaned with the guide part 24, which is positioned at the tip of the cleaning part 20, as the head.
- the shaft part 12 is inserted as it is along the insertion direction.
- the guide part 24 is elastically deformed so as to be displaced in the axially perpendicular direction toward the back of the gap S with respect to the insertion end section 12a, and the shaft part 12 is flexurally deformed so that the insertion end section 12a is displaced in the same direction as the displacement direction of the guide part 24 with respect to the base end section 12b. Therefore, as a result of further inserting the shaft part 12 along the insertion direction in the present posture thereof, the cleaning part 20 is inserted toward the back of the gap S.
- the cleaning-part body 22 is guided by the guide part 24 having a relatively low hardness so as to be inserted into the gap S, and during subsequent insertion of the cleaning part 20 after such guidance, the gap S and the object T to be cleaned are effectively cleaned by the cleaning-part body 22 covering the outer peripheral surface of the shaft part 12 having a relatively high hardness.
- the cleaning part 20 is inserted toward the back of the gap S while the guide part 24 is elastically deformed and the shaft part 12 is flexurally deformed. Therefore, with the present cleaning implement 1, it is not necessary to perform the operation of adjusting the insertion direction of the cleaning part 20 into the gap S, that is, the operation of adjusting the posture of the shaft part 12 so that the longitudinal direction of the cleaning part 20 coincides with the direction in which the gap S extends, when the tip of the cleaning part 20 comes into contact with the object T to be cleaned.
- This is particularly effective when inserting the cleaning part 20 into the gap S between the mutually adjacent back teeth, that is, when the object T to be cleaned is a back tooth.
- the back teeth are located in a relatively narrow space within the oral cavity, the operation of adjusting the posture of the shaft part 12 so that the longitudinal direction of the cleaning part 20 coincides with the direction in which the gap S extends in this space is restricted by the lips. Therefore, the present cleaning implement 1 is particularly effective for cleaning the gap S between the back teeth.
- the projection dimension t2 of the guide part 24 is set to 4 times the thickness t1 of the first covering section 22a, the insertion of the cleaning part 20 into the gap S is further facilitated. Specifically, as a result of setting the projection dimension t2 of the guide part 24 to be 3 times or more the thickness t1 of the first covering section 22a, a sufficient amount of displacement of the guide part 24 when the guide part 24 is elastically deformed is ensured. Therefore, the guide part 24 is effectively guided toward the back of the gap S as the shaft part 12 is inserted after the guide part 24 comes into contact with the object T to be cleaned.
- the decrease in strength of the guide part 24, that is, the decrease in the insertability of the guide part 24 into the gap S, which is caused by an excessively large relative projection dimension t2 of the guide part 24, is suppressed.
- the projection dimension t2 is set to be in the range of 0.6 times or more and 4 times or less the diameter d of the insertion end section 12a, the insertion of the cleaning part 20 into the gap S is further facilitated.
- the projection dimension t2 of the guide part 24 is set to be 0.6 times or more the diameter d of the insertion end section 12a, it is possible to ensure a sufficiently large proportion of the displacement amount of the guide part 24 when the guide part 24 is elastically deformed with respect to the diameter d of the insertion end section 12a. Therefore, the guide part 24 is effectively guided toward the back of the gap S as the shaft part 12 is inserted after the guide part 24 comes into contact with the object T to be cleaned.
- the decrease in strength of the guide part 24, that is, the decrease in the insertability of the guide part 24 into the gap S, which is caused by an excessively large relative projection dimension t2 of the guide part 24, is suppressed.
- an elastomer having a Shore hardness of A40 is used as the elastomer in order to obtain the pressing force (force necessary for pressing the guide part 24 from the insertion end section 12a side toward the base end section 12b side until the guide part 24 is displaced by 5.0 mm in the axial direction, while the guide part 24 is elastically deformed and the shaft part 12 is flexurally deformed, in a state in which the portion of the cleaning implement 1 which is 10 mm apart from the tip of the guide part 24 on the base end section 12b side is fixed) of 1.0 N or more and 8.0 N or less.
- the cleaning part 20 is more easily inserted into the gap S.
- the Shore hardness of the elastomer to obtain the pressing force of 1.0 N or more, so that the pressing force includes the force necessary for elastically deforming the guide part 24 composed of the elastomer in addition to the force necessary for flexurally deforming the shaft part 12, the strength of the guide part 24 is sufficiently ensured.
- the guide part 24 is effectively elastically deformed toward the back of the gap S.
- the Shore hardness of the elastomer so that the pressing force is 8.0 N or less, it is possible to suppress the inadequate deformation of the guide part 24 (impairment of guidance of the cleaning-part body 22 toward the back of the gap S by the guide part 24) when the shaft part 12 is further inserted from a state in which the guide part 24 is in contact with the object T to be cleaned.
- the fine protrusion 25 provided at the tip of the guide part 24 improves the insertability of the cleaning part 20 into the gap S. Specifically, when the fine protrusion 25 is in contact with the object T to be cleaned, the fine protrusion 25 guides the displacement direction of the guide part 24 so that the guide part 24 is elastically deformed toward the back of the gap S, thereby further facilitating the insertion of the cleaning part 20 into the gap S.
- the shape of the insertion end section 12a is not limited to the example described in the embodiment, that is, the hemispherical shape.
- the insertion end section 12a may be formed in a columnar shape, a truncated cone shape, or a polygonal column shape. Further, the portion of the shaft part 12 other than the insertion end section 12a may be formed into a polygonal prism shape.
- the cleaning part 20 may have a group of brush bristles composed of a plurality of brush bristles 27.
- the brush bristles 27 are integrally formed of the same material as that of the cleaning-part body 22, protrude outward in the axially perpendicular direction from the outer peripheral surface of the cleaning-part body 22, and have a shape such that the outer shape of the brush bristles 27 gradually decreases with the distance from the outer peripheral surface of the cleaning-part body 22.
- the brush bristles 27 When the brush bristles 27 are inserted into the gap S, the brush bristles 27 come into contact with the object T to be cleaned and collapse.
- the brush bristle group may include first curved brush bristles 27a and second curved brush bristles 27b.
- the first curved brush bristles 27a have a shape that curves gradually from the base end section 12b side toward the insertion end section 12a side with a transition outward from the cleaning-part body 22 in the axially perpendicular direction.
- the second curved brush bristles 27b have a shape that curves gradually from the insertion end section 12a side to the base end section 12b side with a transition outward from the cleaning-part body 22 in the axially perpendicular direction. In this way, it is possible to clean effectively the gap S or the object T during both of the insertion of the cleaning part 20 into the gap S and the removal thereof from the gap S. Specifically, since the brush bristle group includes both the first curved brush bristles 27a and the second curved brush bristles 27b, the first curved brush bristles 27a effectively clean the gap S or the object T at the time of insertion, whereas the second curved brush bristles 27b effectively clean the gap S or the object T during the removal.
- the brush bristle group includes both the first curved brush bristles 27a and the second curved brush bristles 27b, the insertion resistance felt by the operator when inserting the cleaning part 20 into the gap S and the pull-out resistance felt by the operator when the cleaning part 20 is pulled out from the gap S become substantially uniform as compared with the case in which the brush bristle group includes only the first curved brush bristles 27a or the second curved brush bristles 27b. Therefore, the cleaning operation performed by the operator is facilitated.
- the cleaning implement of the present embodiment is a cleaning implement for cleaning a minute gap formed between mutually adjacent objects to be cleaned, the cleaning implement including: a shaft part which has a shape that extends in a specific direction and can be inserted in the gap, and has an insertion end section formed at one end in the specific direction and a base end section formed at the other end in the specific direction; and a cleaning part which is composed of an elastomer having a hardness lower than a hardness of the shaft part, covers a portion of the shaft part, including the insertion end section, having a dimension equal to or less than a dimension of the shaft part in an axial direction of the shaft part, and can clean the gap, wherein the shaft part has a shape that can be flexurally deformed so as to allow displacement of the insertion end section relative to the base end section in an axially perpendicular direction which is perpendicular to the axial direction; the cleaning part has a cleaning-part body that covers the outer peripheral surface of the shaft part, and a guide part that projects
- the guide part when the cleaning part is inserted into the minute gap formed between the mutually adjacent objects to be cleaned, after the guide part located at the tip of the cleaning part in the insertion direction comes into contact with the object to be cleaned, the guide part is elastically deformed so as to be displaced in the axially perpendicular direction toward the back of the gap with respect to the insertion end section, and the shaft part is flexurally deformed so that the insertion end section of the shaft part is displaced in the same direction as the displacement direction of the guide part with respect to the base end section.
- the cleaning part is inserted toward the back of the gap S while the guide part is elastically deformed and the shaft part is flexurally deformed.
- the cleaning-part body is guided by the guide part having a relatively low hardness so as to be inserted into the gap, and when the cleaning part is further inserted after such guidance, the gap or the object to be cleaned is effectively cleaned by the cleaning-part body covering the outer peripheral surface of the shaft part having a relatively high hardness. Therefore, with the present cleaning implement, cleaning of small gaps such as between keys of the keyboard and between teeth is facilitated.
- the projection dimension of the guide part be set 3 times or more and 10 times or less the thickness of the cleaning-part body.
- the insertion of the cleaning part into a minute gap is further facilitated.
- the projection dimension (the dimension in the axial direction) of the guide part is 3 times or more the thickness of the cleaning-part body, a sufficient amount of displacement of the guide part when the guide part is elastically deformed is ensured. Therefore, the guide part is effectively guided toward the back of the gap as the shaft part is inserted after the contact of the guide part with the object to be cleaned.
- the decrease in strength of the guide part that is, the decrease in the insertability of the guide part into the gap, which is caused by an excessively large relative projection dimension of the guide part, is suppressed.
- the projection dimension of the guide part be set to 0.6 times or more and 4 times or less, and more preferably 0.7 times or more and 2 times or more the dimension of the insertion end section in the axially perpendicular direction.
- the insertion of the cleaning part into the gap is further facilitated.
- the projection dimension of the guide part to be 0.6 times or more the dimension of the insertion end section in the axially perpendicular direction, it is possible to ensure a sufficiently large proportion of the displacement amount of the guide part when the guide part is elastically deformed with respect to the dimension of the insertion end section in the axially perpendicular direction. Therefore, the guide part is effectively guided toward the back of the gap as the shaft part is inserted after the guide part comes into contact with the object to be cleaned.
- the decrease in strength of the guide part that is, the decrease in the insertability of the guide part into the gap, which is caused by an excessively large relative projection dimension of the guide part, is suppressed.
- the projection dimension of the guide part be set to 0.10 mm or more and 1.2 mm or less
- the dimension of the shaft part in the axial direction be set to 10 mm or more
- the Shore hardness of the elastomer be set such that a pressing force necessary for pressing the guide part from the insertion end section side toward the base end section side until the guide part is displaced by 5.0 mm in the axial direction, while the guide part is elastically deformed and the shaft part is flexurally deformed, is 1.0 N or more and 8.0 N or less in a state in which the portion of the cleaning implement which is 10 mm apart from the tip of the guide part on the base end section side is fixed.
- the insertion of the cleaning part into the gap is further facilitated when the shaft part is further inserted from the state in which the guide part is in contact with the object to be cleaned.
- the Shore hardness of the elastomer to obtain the pressing force of 1.0 N or more, so that the pressing force includes the force necessary for elastically deforming the guide part composed of the elastomer in addition to the force necessary for flexurally deforming the shaft part, the strength of the guide part is sufficiently ensured.
- the guide part is effectively elastically deformed toward the back of the gap.
- the Shore hardness of the elastomer so that the pressing force is 8.0 N or less, it is possible to suppress the inadequate deformation of the guide part (impairment of guidance of the cleaning-part body toward the back of the gap by the guide part) when the shaft part is further inserted from a state in which the guide part is in contact with the object to be cleaned.
- the cleaning part further have a fine protrusion that is provided at the tip of the guide part and has an outer shape smaller than the outer shape of the guide part.
- the fine protrusion guides the displacement direction of the guide part so that the guide part is elastically deformed toward the back of the gap. As a result, the insertion into the gap is further facilitated.
- the cleaning part further have a group of brush bristles composed of a plurality of brush bristles, each brush bristle having a shape protruding outward in the axially perpendicular direction from the outer peripheral surface of the cleaning-part body, and that the brush bristles include a first curved brush bristle having a shape that curves gradually from the base end section side toward the insertion end section side with a transition outward from the cleaning-part body in the axially perpendicular direction, and a second curved brush bristles having a shape that curves gradually from the insertion end section side to the base end section side with a transition outward from the cleaning-part body in the axially perpendicular direction.
- the brush bristle group includes both the first curved brush bristles having a shape that curves gradually from the base end section side toward the insertion end section side with a transition outward from the cleaning-part body in the axially perpendicular direction, and the second curved brush bristles having a shape that curves gradually from the insertion end section side to the base end section side with a transition outward from the cleaning-part body in the axially perpendicular direction, the first curved brush bristles effectively clean the gap or the object to be cleaned at the time of insertion, whereas the second curved brush bristles effectively clean the gap or the object to be cleaned during the removal.
- the brush bristle group includes both the first curved brush bristles and the second curved brush bristles, the insertion resistance felt by the operator when inserting the cleaning part into the gap and the pull-out resistance felt by the operator when the cleaning part is pulled out from the gap become substantially uniform as compared with the case in which the brush bristle group includes only the first curved brush bristles or the second curved brush bristles. Therefore, the cleaning operation performed by the operator is facilitated.
- first curved brush bristles and the second curved brush bristles are molded with a die designed to form brush bristles having a shape extending linearly outward in the axially perpendicular direction from the outer peripheral surface of the cleaning-part body, and are inclusive of those having a shape which gradually curves from the base end section side to the insertion end section side or from the insertion end section side toward the base end section side with the distance outward from the cleaning-part body after the bristles are removed from the die.
- the insertion end section and the guide part be each formed in a hemispherical shape which is curved so as to be convex outward in the axial direction. It is also preferable that the radius of the guide part be set to 1.1 times or more and 8 times or less, more preferably 1.1 times or more and 4 times or less, and even more preferably 1.2 times or more and 2 times or less the radius of the insertion end portion.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cleaning In General (AREA)
Claims (6)
- Dispositif de nettoyage pour nettoyer un minuscule espace formé entre des objets mutuellement adjacents à nettoyer, le dispositif de nettoyage comprenant :une partie arbre (12) qui présente une forme qui s'étend dans une direction spécifique et peut être insérée dans l'espace, et présente une section d'extrémité d'insertion (12a) formée à une extrémité dans la direction spécifique et une section d'extrémité de base formée à l'autre extrémité dans la direction spécifique ; etune partie de nettoyage qui est composée d'un élastomère présentant une dureté inférieure à une dureté de la partie arbre (12), recouvre une portion de la partie arbre (12), et peut nettoyer l'espace, la portion incluant la section d'extrémité d'insertion (12a) et présentant une dimension égale ou inférieure à une dimension de la partie arbre (12) dans une direction axiale de la partie arbre (12), dans lequella partie arbre (12) présente une forme qui peut être déformée en flexion de manière à permettre un déplacement de la section d'extrémité d'insertion (12a) par rapport à la section d'extrémité de base dans une direction axialement perpendiculaire, qui est perpendiculaire à la direction axiale ;la partie de nettoyage présente un corps de partie de nettoyage (22) qui recouvre une surface périphérique extérieure de la partie arbre (12), et une partie de guidage (24) qui fait saillie plus loin vers l'extérieur dans la direction axiale que la section d'extrémité d'insertion (12a) et guide l'insertion du corps de partie de nettoyage (22) dans l'espace ; etune dimension de saillie (t2) de la partie de guidage (24) à partir de la section d'extrémité d'insertion (12a) est égale ou supérieure à une épaisseur (t1) du corps de partie de nettoyage (22), et la partie de guidage (24) présente une forme qui peut être déformée élastiquement de manière à être déplacée par rapport à la section d'extrémité d'insertion (12a) dans la direction axialement perpendiculaire,caractérisé en ce quela dimension de saillie (t2) de la partie de guidage (24) est établie à 0,1 mm ou plus et à 1,2 mm ou moins ;la dimension de la partie arbre (12) dans la direction axiale est établie à 10 mm ou plus ; etune dureté Shore de l'élastomère est établie de telle sorte qu'une force de pression nécessaire pour presser la partie de guidage (24) depuis le côté section d'extrémité d'insertion (12a) vers le côté section d'extrémité de base jusqu'à ce que la partie de guidage (24) soit déplacée de 5,0 mm dans le sens axial, tandis que la partie de guidage est déformée élastiquement et la partie arbre (12) est déformée en flexion, est de 1,0 N ou plus et de 8,0 N ou moins dans un état dans lequel la portion du dispositif de nettoyage qui est espacée de 10 mm d'une pointe de la partie de guidage (24) vers le côté section d'extrémité de base est fixe.
- Dispositif de nettoyage selon la revendication 1, dans lequel
la dimension de saillie (t2) de la partie de guidage (24) est égale à 3 fois ou plus et à 10 fois ou moins l'épaisseur (t1) du corps de partie de nettoyage (22). - Dispositif de nettoyage selon la revendication 1 ou 2, dans lequel
la dimension de saillie (t2) de la partie de guidage (24) est égale à 0,6 fois ou plus et à 4 fois ou moins la dimension de la section d'extrémité d'insertion (12a) dans la dimension axialement perpendiculaire. - Dispositif de nettoyage selon l'une quelconque des revendications 1 à 3, dans lequel
la partie de nettoyage présente en outre une fine saillie (25) qui est prévue au niveau de la pointe de la partie de guidage (24) et qui présente une forme extérieure plus petite qu'une forme extérieure de la partie de guidage (24). - Dispositif de nettoyage selon l'une quelconque des revendications 1 à 4, dans lequella partie de nettoyage présente en outre un groupe de poils de brosse composé d'une pluralité de poils de brosse, chaque poil de brosse présentant une forme faisant saillie vers l'extérieur dans la direction axialement perpendiculaire depuis la surface périphérique extérieure du corps de partie de nettoyage (22) ; etle groupe de poils de brosse inclut un premier poil de brosse incurvé présentant une forme qui s'incurve vers l'extérieur du corps de partie de nettoyage (22) dans la direction axialement perpendiculaire progressivement depuis le côté section d'extrémité de base jusqu'au côté section d'extrémité d'insertion, et un second poil de brosse incurvé présentant une forme qui s'incurve vers l'extérieur du corps de partie de nettoyage (22) dans la direction axialement perpendiculaire progressivement depuis le côté section d'extrémité d'insertion jusqu'au côté section d'extrémité de base.
- Dispositif de nettoyage selon l'une quelconque des revendications 1 à 5, dans lequella section d'extrémité d'insertion (12a) et la partie de guidage (24) sont chacune formées en une forme hémisphérique qui est incurvée de manière à être convexe vers l'extérieur dans la direction axiale ; etle rayon de la partie de guidage (24) est établi à 1,1 fois ou plus et à 8 fois ou moins le rayon de la portion d'extrémité d'insertion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015006486A JP6082038B2 (ja) | 2015-01-16 | 2015-01-16 | 清掃具 |
PCT/JP2015/068404 WO2016113927A1 (fr) | 2015-01-16 | 2015-06-25 | Dispositif de nettoyage |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3246101A1 EP3246101A1 (fr) | 2017-11-22 |
EP3246101A4 EP3246101A4 (fr) | 2018-07-25 |
EP3246101B1 true EP3246101B1 (fr) | 2021-10-20 |
Family
ID=56405486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15877879.5A Active EP3246101B1 (fr) | 2015-01-16 | 2015-06-25 | Dispositif de nettoyage |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180279766A1 (fr) |
EP (1) | EP3246101B1 (fr) |
JP (1) | JP6082038B2 (fr) |
CN (1) | CN107107124B (fr) |
WO (1) | WO2016113927A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10401971B2 (en) * | 2016-01-22 | 2019-09-03 | Philip J. Bruno | Keyboard cleaning system |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3724018A (en) * | 1971-08-04 | 1973-04-03 | A Sills | Swab with foam plastic wiping tip |
US4085838A (en) * | 1974-03-14 | 1978-04-25 | Minnesota Mining And Manufacturing Company | Type correction article employing adhesives |
US5283924A (en) * | 1990-09-21 | 1994-02-08 | Gillette Canada, Inc. | Interdental foam brush and treatment gel combination therewith |
US5735012A (en) * | 1997-04-01 | 1998-04-07 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Resiliently flexible toothbrush |
GB9926418D0 (en) * | 1999-11-08 | 2000-01-12 | Westone Prod Ltd | Interdental brush |
US6240592B1 (en) * | 1999-11-19 | 2001-06-05 | Bernard A. Li | Wheel detailing apparatus |
JP2003220014A (ja) * | 2002-01-31 | 2003-08-05 | Itsushin Sangyo Kk | 掃除具 |
JP4024781B2 (ja) * | 2004-06-15 | 2007-12-19 | アトム興産株式会社 | 塵埃除去具 |
JP2006263382A (ja) * | 2005-03-25 | 2006-10-05 | Glory Sangyo Kk | ハケ体 |
CN102056508B (zh) * | 2008-06-13 | 2012-12-12 | 狮王株式会社 | 齿间刷的制造方法以及齿间刷 |
US8559351B2 (en) * | 2008-08-01 | 2013-10-15 | Qualcomm Incorporated | Dedicated reference signal design for network MIMO |
EP2857167B1 (fr) * | 2012-05-24 | 2023-03-15 | Sunstar Suisse SA | Procédé de fabrication d'un outil de nettoyage interdentaire et outil de nettoyage interdentaire |
DE102012015663A1 (de) * | 2012-08-09 | 2014-05-15 | Interbros Gmbh | Interdental-Reiniger |
DE102012015664A1 (de) * | 2012-08-09 | 2014-02-13 | Interbros Gmbh | Interdental-Reiniger |
US20140166043A1 (en) * | 2012-12-14 | 2014-06-19 | Ranir, Llc | Interproximal cleaning tool and method of manufacture |
WO2016076241A1 (fr) * | 2014-11-11 | 2016-05-19 | サンスター株式会社 | Outil de nettoyage interdentaire |
-
2015
- 2015-01-16 JP JP2015006486A patent/JP6082038B2/ja active Active
- 2015-06-25 WO PCT/JP2015/068404 patent/WO2016113927A1/fr active Application Filing
- 2015-06-25 US US15/542,494 patent/US20180279766A1/en not_active Abandoned
- 2015-06-25 EP EP15877879.5A patent/EP3246101B1/fr active Active
- 2015-06-25 CN CN201580073553.2A patent/CN107107124B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN107107124A (zh) | 2017-08-29 |
EP3246101A1 (fr) | 2017-11-22 |
WO2016113927A1 (fr) | 2016-07-21 |
EP3246101A4 (fr) | 2018-07-25 |
JP6082038B2 (ja) | 2017-02-15 |
JP2016131908A (ja) | 2016-07-25 |
CN107107124B (zh) | 2020-05-05 |
US20180279766A1 (en) | 2018-10-04 |
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