CN100368209C - Ultra-fine fiber blackboard eraser - Google Patents
Ultra-fine fiber blackboard eraser Download PDFInfo
- Publication number
- CN100368209C CN100368209C CNB2006100713381A CN200610071338A CN100368209C CN 100368209 C CN100368209 C CN 100368209C CN B2006100713381 A CNB2006100713381 A CN B2006100713381A CN 200610071338 A CN200610071338 A CN 200610071338A CN 100368209 C CN100368209 C CN 100368209C
- Authority
- CN
- China
- Prior art keywords
- wiping cloth
- cleaning wiping
- cleaning
- core
- cloth
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
Landscapes
- Drawing Aids And Blackboards (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The present invention discloses one kind of blackboard eraser of superfine fiber, and the blackboard eraser includes one eraser body and one cover. The eraser body includes erasing cloth and eraser core, and the erasing cloth is connected to one or more outer sides. The blackboard eraser has raised eraser body utilizing rate and easy cleaning of the eraser body, and can adsorb chalk dust, clean blackboard effectively and reduce dispersed chalk dust.
Description
Technical field
The present invention is mainly concerned with a kind of school supply and stationery field, refers in particular to a kind of ultra-fine fiber blackboard eraser.
Background technology
At present, blackboard eraser commonly used is made up of brush body and brush lid, and brush body plays the effect of wiping surface, directly contacts with blackboard, and the chalk dust on the blackboard is wiped; The brush lid then mainly plays fixedly brush body and the convenient effect of using.Brush body is mainly made by felt, flannelette etc., its composition mainly is nylon yarn or nylon and wool silk union etc., the brush body of this material mainly contains two unfavorable factors: 1, inhale grey indifferent because of the material of blackboard eraser brush body wiping surface commonly used, blackboard is difficult to wipe totally, allow a large amount of chalk dusts not be to be adsorbed on the blackboard eraser simultaneously, but in erase process, waft in the air, academics and students's health is caused damage; 2, be inconvenient to clean because of blackboard eraser brush body itself commonly used, laying dust on the blackboard eraser is coated with many chalk dusts after causing clean blackboard part to be nuzzled up on the contrary, allow letter written with chalk and the more difficult differentiation of background on the blackboard, give the student particularly the letter written with chalk seen clearly on the blackboard of the student in the back, classroom bring frustration, Chang Yong blackboard eraser is all knocking wiping face removing chalk dust on table seamed edge or blackboard edge simultaneously, and its process causes a large amount of chalk dusts to waft causing air pollution in the air to the classroom.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem of prior art existence, the invention provides a kind of can improve to a certain extent brush body utilization rate and brush body itself easy to clean, can effectively adsorb chalk dust on the blackboard, make blackboard be wiped totallyer, and a large amount of ultra-fine fiber blackboard erasers that reduce the chalk dust that enters air, this ultra-fine fiber blackboard eraser while is the wiping blank effectively.
In order to solve the problems of the technologies described above, the solution that the present invention proposes is: a kind of ultra-fine fiber blackboard eraser, it comprises brush body and brush lid, it is characterized in that: described brush body comprises cleaning wiping cloth and wipes core, this cleaning wiping cloth is connected on the one or more lateral surface of wiping core, and described cleaning wiping cloth is a superfine fibre cloth, and this superfine fibre cloth is that fiber is at 1 Denier and following fiber, its material content is terylene and polyamide polyamide fibre, and wherein terylene and polyamide polyamide fibre ratio are between 50/50 to 90/10.
Described cleaning wiping cloth adopts bonding, splicing or hasp ways of connecting to be connected with wiping between the core.
Described wiping core be shaped as cuboid, corresponding with six lateral surfaces wiping core, be divided into cleaning wiping cloth the 5th side successively along certain orientation on the cleaning wiping cloth, the cleaning wiping cloth upper surface, cleaning wiping cloth the 3rd side, cleaning wiping cloth lower surface and cleaning wiping cloth the 4th side, and be provided with cleaning wiping cloth the 6th side in the both sides of cleaning wiping cloth upper surface and cleaning wiping cloth lower surface, cleaning wiping cloth heptalateral face and cleaning wiping cloth first side, cleaning wiping cloth second side, wherein cleaning wiping cloth upper surface and cleaning wiping cloth lower surface with wipe core on the area of end face and bottom surface equate, cleaning wiping cloth the 5th side and cleaning wiping cloth the 4th side and cleaning wiping cloth first side, cleaning wiping cloth second side, the area of cleaning wiping cloth the 6th side and cleaning wiping cloth heptalateral face respectively with wipe core on 2/3 the equating of two groups of parallel side areas, the area of cleaning wiping cloth the 3rd side equals to wipe the lateralarea of core, and the vertical doubling in junction between the each several part makes cleaning wiping cloth be coated on the whole lateral surface of wiping core on the cleaning wiping cloth successively.
Described wiping core be shaped as cuboid, with the end face of wiping core, bottom surface and corresponding with perpendicular two the relative sides of this bottom surface and end face, be divided into cleaning wiping cloth the 5th side on the cleaning wiping cloth successively, the cleaning wiping cloth upper surface, cleaning wiping cloth the 3rd side, cleaning wiping cloth lower surface and cleaning wiping cloth the 4th side, wherein cleaning wiping cloth upper surface and cleaning wiping cloth lower surface equate with the end face of wiping core and the area of bottom surface, 2/3 of two lateralareas of the area of cleaning wiping cloth the 5th side and cleaning wiping cloth the 4th side and wiping core equate, cleaning wiping cloth the 3rd side equates with the lateralarea of wiping core, makes cleaning wiping cloth be coated on the end face of wiping core along the vertical doubling in junction between the cleaning wiping cloth each several part successively, the bottom surface and with perpendicular two the relative sides of this bottom surface and end face on.
Described wiping core be shaped as cuboid, with the bottom surface of wiping core and corresponding with perpendicular four sides, this bottom surface, be divided into the cleaning wiping cloth lower surface on the cleaning wiping cloth and be positioned at cleaning wiping cloth lower surface cleaning wiping cloth first side all around, cleaning wiping cloth second side, cleaning wiping cloth the 3rd side, cleaning wiping cloth the 4th side, wherein the cleaning wiping cloth lower surface equates with the area of the bottom surface of the wiping core that is connected, cleaning wiping cloth first side, the area of cleaning wiping cloth second side and cleaning wiping cloth the 4th side and cuboid are wiped 2/3 the equating of three lateralareas of core, the area of cleaning wiping cloth the 3rd side equates cleaning wiping cloth first side with the area of wiping another side of core, cleaning wiping cloth second side, cleaning wiping cloth the 3rd side, cleaning wiping cloth the 4th side along with the vertical doubling in the junction of cleaning wiping cloth lower surface cleaning wiping cloth is coated on wipe core the bottom surface and with perpendicular four sides, this bottom surface on.
Described wiping core be shaped as cuboid, the one side of cleaning wiping cloth is adhered on the bottom surface of wiping on the core, the area equal and opposite in direction of cleaning wiping cloth and this bottom surface.
Compared with prior art, advantage of the present invention just is:
1, the brush body of ultra-fine fiber blackboard eraser of the present invention is two-layer independent structures separately, be used for directly contacting the cleaning wiping cloth that chalk dust on the blackboard is wiped and be coated on the outside of wiping core with blackboard, wipe core and be mainly used to typing, make whole brush body become a solid shape to be convenient to pick up blackboard is carried out wiping.Cleaning wiping cloth is divided into upper and lower two surfaces, and adopt the hasp ways of connecting to link to each other in the junction, when the one side of lower end cleaning wiping cloth is wiped dirty, in the time of can't carrying out wiping work again, only need be with upper end cleaning wiping cloth and lower end cleaning wiping cloth transposition, perhaps the another side with the lower end cleaning wiping cloth is got final product with wiping dirty one side exchange, and hence one can see that, the mode of passing through to exchange of this brush body has prolonged the service life of ultra-fine fiber blackboard eraser, has improved wiping efficient; Secondly, when brush body wiped fully dirty after, be the positive and negative two sides of upper and lower cleaning wiping cloth all wiped dirty after, only need open the tie point that adopts hasp to connect, cleaning wiping cloth taken off by hand or machine cleans and can reuse after drying, like this improve the whole service life of ultra-fine fiber blackboard eraser, played the effect of saving and environmental protection;
2, the cleaning wiping cloth of ultra-fine fiber blackboard eraser brush body of the present invention adopts superfine fibre cloth to make Wiping material, this superfine fibre has the fine pore than the common fabric nothing of manying several times, make per square inch wiping surface can contain superfine fibre silk up to 180,000, the material that makes this superfine fibre make can have more fiber contact need clean Surface than general Wiping material in unit are, these superfine fibres have unique wedge structure simultaneously, gully in this wedge structure can produce a kind of adsorption effect, makes him can be than the easier absorption dust of common Wiping material.Make the ultra-fine fiber blackboard eraser that makes with this superfine fibre can more adsorb chalk dust, reduce entering airborne chalk dust, obtain simultaneously than the cleaner wiping effect of ultra-fine fiber blackboard eraser commonly used.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation when cleaning wiping cloth does not encase the wiping core in the brush body of the present invention;
Fig. 3 is the structural representation when cleaning wiping cloth partly encases the wiping core in the brush body of the present invention;
Fig. 4 is a cleaning wiping cloth of the present invention structural representation when launching;
Fig. 5 is the structural representation after cleaning wiping cloth of the present invention is changed face;
Fig. 6 is the structural representation of the embodiment of the invention 2;
Fig. 7 is the structural representation of the embodiment of the invention 3;
Fig. 8 is the structural representation of the embodiment of the invention 4.
Marginal data
1, brush cover 2, brush body
3, cleaning wiping cloth 4, wiping core
32, cleaning wiping cloth upper surface 36, cleaning wiping cloth lower surface
40, cleaning wiping cloth first side 41, cleaning wiping cloth the 6th side
42, cleaning wiping cloth second side 43, cleaning wiping cloth heptalateral face
44, cleaning wiping cloth the 3rd side 46, cleaning wiping cloth the 4th side
47, velcro 48, cleaning wiping cloth the 5th side
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
As shown in Figure 1, ultra-fine fiber blackboard eraser of the present invention comprises that brush body 2 and brush cover 1, and brush covers 1 and is used for fixing brush body 2; Brush body 2 comprises cleaning wiping cloth 3 and wipes core 4 that this cleaning wiping cloth 3 is connected on the one or more lateral surface of wiping core 4.Wipe core 4 and be mainly used to typing, make 2 one-tenth one solid shapes of whole brush body be convenient to pick up blackboard is carried out wiping.Cleaning wiping cloth 3 of the present invention is a superfine fibre cloth, definition for superfine fibre does not have absolute standard, be meant that generally (the Denier value is per 9 to fiber at 1 Denier, the grammes per square metre of 000 meter this fiber) and below, its fibre diameter about 10 microns and below, be meant 0.3 Denier (about 5.5 microns of fibre diameter) and following fiber especially, the superfine fibre that patent of the present invention is mentioned mainly refers to the fiber of fiber below 1 Denier (about 10 microns of fibre diameter) reaches, its material content is a certain proportion of terylene and polyamide polyamide fibre, and terylene and polyamide polyamide fibre ratio are between 50/50 to 90/10.This fabric is owing to the fine pore that has than the common fabric nothing of manying several times, make per square inch wiping surface can contain superfine fibre silk up to 180,000, the material that makes this superfine fibre make can have more fiber contact need clean Surface than general Wiping material in unit are, these superfine fibres have unique wedge structure simultaneously, gully in this wedge structure can produce a kind of adsorption effect, make it can be than the easier absorption dust of common Wiping material, make the ultra-fine fiber blackboard eraser made from this superfine fibre can more adsorb chalk dust, reduce entering airborne chalk dust, allow simultaneously and obtain than using the cleaner wiping effect of ultra-fine fiber blackboard eraser commonly used.
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the present invention wipes the cuboid that is shaped as of core 4, corresponding with six lateral surfaces wiping core 4, be divided into cleaning wiping cloth the 5th side 48 successively along certain orientation on the cleaning wiping cloth 3, cleaning wiping cloth upper surface 32, cleaning wiping cloth the 3rd side 44, cleaning wiping cloth lower surface 36 and cleaning wiping cloth the 4th side 46, and be provided with cleaning wiping cloth first side 40 in the both sides of cleaning wiping cloth upper surface 32 and cleaning wiping cloth lower surface 36, cleaning wiping cloth second side 42 and cleaning wiping cloth the 6th side 41, cleaning wiping cloth heptalateral face 43, wherein cleaning wiping cloth upper surface 32 and cleaning wiping cloth lower surface 36 equate with the end face of wiping core 4 and the area of bottom surface, cleaning wiping cloth the 5th side 48 and cleaning wiping cloth the 4th side 46 and cleaning wiping cloth first side 40, cleaning wiping cloth second side 42, the area of cleaning wiping cloth the 6th side 41 and cleaning wiping cloth heptalateral face 43 respectively with wipe core 4 on 2/3 the equating of two groups of parallel side areas, the area of cleaning wiping cloth the 3rd side 44 equals to wipe the lateralarea of core 4, junction doubling on the cleaning wiping cloth 3 between the each several part, thus make cleaning wiping cloth 3 be coated on the whole lateral surface of wiping core 4.In the junction between the each several part on the cleaning wiping cloth 3 and cleaning wiping cloth 3 all can adopt bonding with the junction of wiping core 4, glued joint, hasp connects, movable connection methods such as socket, in the present embodiment, the present invention is in cleaning wiping cloth first side 40, cleaning wiping cloth second side 42, cleaning wiping cloth the 3rd side 44, cleaning wiping cloth the 4th side 46, cleaning wiping cloth the 5th side 48, be equipped with velcro 47 on cleaning wiping cloth the 6th side 41 and the cleaning wiping cloth heptalateral face 43, the two sides of velcro 47 is respectively hair side and colludes face, mark with two kinds of different identifications respectively in the drawings, thereby interconnective cleaning wiping cloth 3 each several parts can be made things convenient for, bonding apace and take apart operation.In use, at first with a side of cleaning wiping cloth upper surface 32 or cleaning wiping cloth lower surface 36 as wiping surface, when this wiping surface can't carry out wiping work again after long-term the use, only brush body 2 need be covered from brush and take out the face that turns over up and down 1, cleaning wiping cloth upper surface 32 and cleaning wiping cloth lower surface 36 reversing of position can be used. when the outside of the outside of cleaning wiping cloth upper surface 32 and lower surface 36 has all been wiped dirty, take out brush body 2, open the nylon tower button 47 of cleaning wiping cloth 3 sides, retighten nylon tower button 47 after the interior outside exchange with cleaning wiping cloth 3, ultra-fine fiber blackboard eraser of the present invention is devoted oneself to work once more.Secondly, when each side of cleaning wiping cloth 3 wiped fully dirty after, only need open the tie point of each several part, cleaning wiping cloth 3 is taken off by hand or machine cleans and can reuse after drying, like this improve the whole service life of ultra-fine fiber blackboard eraser, played the effect of saving and environmental protection.
Embodiment 2: as Fig. 1 and shown in Figure 6, wiping core 4 of the present invention be shaped as cuboid, with the end face of wiping core 4, bottom surface and corresponding with perpendicular two the relative sides of this bottom surface and end face, be divided into cleaning wiping cloth the 5th side 48 successively along certain orientation on the cleaning wiping cloth 3, cleaning wiping cloth upper surface 32, cleaning wiping cloth the 3rd side 44, cleaning wiping cloth lower surface 36 and cleaning wiping cloth the 4th side 46, wherein cleaning wiping cloth upper surface 32 and cleaning wiping cloth lower surface 36 equate with the end face of wiping core 4 and the area of bottom surface, 2/3 of 4 two lateralareas of the area of cleaning wiping cloth the 5th side 48 and cleaning wiping cloth the 4th side 46 and wiping core equate, cleaning wiping cloth the 3rd side 44 equates with the lateralarea of wiping core 4, successively along the vertical doubling in junction between cleaning wiping cloth 3 each several parts, thereby be coated on the end face of wiping core 4, the bottom surface and with perpendicular two the relative sides of this bottom surface and end face on.Can adopt bonding, splicing, hasp to be connected on cleaning wiping cloth 3 and junction of wiping core 4 and the cleaning wiping cloth 3 between cleaning wiping cloth the 5th side 48 and cleaning wiping cloth the 4th side 46, movable connection methods such as socket, in the present embodiment, the junction of the present invention between the 5th side 48 and cleaning wiping cloth the 4th side 46 is provided with velcro 47, the two sides of velcro 47 is respectively hair side and colludes face, mark with two kinds of different identifications respectively in the drawings, thus the operation that makes interconnective each several part can be bonding easily and quickly and take apart.In use, at first with a side of cleaning wiping cloth upper surface 32 or cleaning wiping cloth lower surface 36 as wiping surface, when this wiping surface can't carry out wiping work again after long-term the use, only brush body 2 need be covered from brush and take out the face that turns over up and down 1, cleaning wiping cloth upper surface 32 and cleaning wiping cloth lower surface 36 reversing of position can be used. when the outside of the outside of cleaning wiping cloth upper surface 32 and lower surface 36 has all been wiped dirty, take out brush body 2, open the nylon tower button 47 of cleaning wiping cloth 3 sides, retighten nylon tower button 47 after the interior outside exchange with cleaning wiping cloth 3, ultra-fine fiber blackboard eraser of the present invention is devoted oneself to work once more; Secondly, when the each several part of cleaning wiping cloth 3 wiped fully dirty after, only need open VELCRO, cleaning wiping cloth 3 is taken off by hand or machine cleans and can reuse after drying, like this improve the whole service life of ultra-fine fiber blackboard eraser, played the effect of saving and environmental protection.
Embodiment 3: as Fig. 1 and shown in Figure 7, wiping core 4 of the present invention be shaped as cuboid, with the bottom surface of wiping core 4 and corresponding with perpendicular four sides, this bottom surface, be divided into cleaning wiping cloth lower surface 36 on the cleaning wiping cloth 3 and be positioned at cleaning wiping cloth lower surface 36 cleaning wiping cloth first side 40 all around, cleaning wiping cloth second side 42, cleaning wiping cloth the 3rd side 44, cleaning wiping cloth the 4th side 46, wherein cleaning wiping cloth lower surface 36 equates with the area of the bottom surface of the wiping core 4 that is connected, cleaning wiping cloth first side 40, the area of cleaning wiping cloth second side 42 and cleaning wiping cloth the 4th side 46 and cuboid are wiped 2/3 the equating of three lateralareas of core 4, the area of cleaning wiping cloth the 3rd side 44 equates with the area of wiping core 4 another sides, cleaning wiping cloth first side 40, cleaning wiping cloth second side 42, cleaning wiping cloth the 3rd side 44, cleaning wiping cloth the 4th side 46 along with the vertical doubling in the junction of cleaning wiping cloth lower surface 36, thereby be coated on the bottom surface of wiping core 4 and with perpendicular four sides, this bottom surface on, it is bonding to wipe between core 4 and the cleaning wiping cloth 3 employing.When the lateral surface of cleaning wiping cloth lower surface 36 can't carry out wiping work again after long-term the use, only the medial surface of cleaning wiping cloth lower surface 36 need be changed into lateral surface is adhered on the larger side face of wiping core 4, as wiping surface, ultra-fine fiber blackboard eraser of the present invention can reuse with the medial surface of cleaning wiping cloth lower surface 36; When two sides of cleaning wiping cloth 3 all wiped dirty after, only need cleaning wiping cloth 3 taken off by hand or machine cleans and can reuse after drying, like this improved the whole service life of ultra-fine fiber blackboard eraser, play and save and the effect of environmental protection.
Embodiment 4: as Fig. 1 and shown in Figure 8, wiping core 4 of the present invention be shaped as cuboid, the one side of cleaning wiping cloth 3 is adhered on the bottom surface of wiping core 4, the area equal and opposite in direction of cleaning wiping cloth 3 and this bottom surface, adopt bonding between wiping core 4 and the cleaning wiping cloth 3, when a face of cleaning wiping cloth 3 can't carry out wiping work again after long-term the use, only need cleaning wiping cloth 3 taken off by hand or machine cleans and can reuse after drying, like this improve the whole service life of ultra-fine fiber blackboard eraser, played the effect of saving and environmental protection.
Claims (6)
1. ultra-fine fiber blackboard eraser, it comprises brush body (2) and brush lid (1), it is characterized in that: described brush body (2) comprises cleaning wiping cloth (3) and wipes core (4), this cleaning wiping cloth (3) is connected on the one or more lateral surface of wiping core (4), described cleaning wiping cloth (3) is a superfine fibre cloth, this superfine fibre cloth be fiber at 1 Denier and following fiber, its material content is terylene and polyamide polyamide fibre, wherein terylene and polyamide polyamide fibre ratio are between 50/50 to 90/10.
2. ultra-fine fiber blackboard eraser according to claim 1 is characterized in that: described cleaning wiping cloth (3) with wipe adopt between the core (4) that bonding, splicing or hasp be connected mode connect.
3. ultra-fine fiber blackboard eraser according to claim 1 and 2, it is characterized in that: described wiping core (4) be shaped as cuboid, corresponding with six lateral surfaces wiping core (4), cleaning wiping cloth (3) goes up and is divided into cleaning wiping cloth the 5th side (48) successively along certain orientation, cleaning wiping cloth upper surface (32), cleaning wiping cloth the 3rd side (44), cleaning wiping cloth lower surface (36) and cleaning wiping cloth the 4th side (46), and be provided with cleaning wiping cloth first side (40) in the both sides of cleaning wiping cloth upper surface (32) and cleaning wiping cloth lower surface (36), cleaning wiping cloth second side (42) and cleaning wiping cloth the 6th side (41), cleaning wiping cloth heptalateral face (43), wherein cleaning wiping cloth upper surface (32) and cleaning wiping cloth lower surface (36) equate with the end face of wiping core (4) and the area of bottom surface, cleaning wiping cloth the 5th side (48) and cleaning wiping cloth the 4th side (46) and cleaning wiping cloth first side (40), cleaning wiping cloth second side (42), the area of cleaning wiping cloth the 6th side (41) and cleaning wiping cloth heptalateral face (43) equates with 2/3 of the last two groups of parallel side areas of wiping core (4) respectively, the area of cleaning wiping cloth the 3rd side (44) equals to wipe the lateralarea of core (4), and the vertical doubling in junction of going up between the each several part along cleaning wiping cloth (3) makes cleaning wiping cloth (3) be coated on the whole lateral surface of wiping core (4) successively.
4. ultra-fine fiber blackboard eraser according to claim 1 and 2, it is characterized in that: described wiping core (4) be shaped as cuboid, with the end face of wiping core (4), bottom surface and corresponding with perpendicular two the relative sides of this bottom surface and end face, be divided into cleaning wiping cloth the 5th side (48) on the cleaning wiping cloth (3) successively, cleaning wiping cloth upper surface (32), cleaning wiping cloth the 3rd side (44), cleaning wiping cloth lower surface (36) and cleaning wiping cloth the 4th side (46), wherein cleaning wiping cloth upper surface (32) and cleaning wiping cloth lower surface (36) equate with the end face of wiping core (4) and the area of bottom surface, 2/3 of (4) two lateralareas of the area of cleaning wiping cloth the 5th side (48) and cleaning wiping cloth the 4th side (46) and wiping core equate, cleaning wiping cloth the 3rd side (44) equates with the lateralarea of wiping core (4), makes cleaning wiping cloth (3) be coated on the end face of wiping core (4) along the vertical doubling in junction between cleaning wiping cloth (3) each several part successively, the bottom surface and with perpendicular two the relative sides of this bottom surface and end face on.
5. ultra-fine fiber blackboard eraser according to claim 1 and 2, it is characterized in that: described wiping core (4) be shaped as cuboid, with the bottom surface of wiping core (4) and corresponding with perpendicular four sides, this bottom surface, be divided into cleaning wiping cloth lower surface (36) on the cleaning wiping cloth (3) and be positioned at cleaning wiping cloth lower surface (36) cleaning wiping cloth first side (40) all around, cleaning wiping cloth second side (42), cleaning wiping cloth the 3rd side (44), cleaning wiping cloth the 4th side (46), wherein cleaning wiping cloth lower surface (36) equates with the area of the bottom surface of the wiping core (4) that is connected, cleaning wiping cloth first side (40), the area of cleaning wiping cloth second side (42) and cleaning wiping cloth the 4th side (46) and cuboid are wiped 2/3 the equating of three lateralareas of core (4), the area of cleaning wiping cloth the 3rd side (44) equates cleaning wiping cloth first side (40) with the area of wiping another side of core (4), cleaning wiping cloth second side (42), cleaning wiping cloth the 3rd side (44), cleaning wiping cloth the 4th side (46) along with the vertical doubling in junction of cleaning wiping cloth lower surface (36) cleaning wiping cloth (3) is coated on wipe core (4) the bottom surface and with perpendicular four sides, this bottom surface on.
6. ultra-fine fiber blackboard eraser according to claim 1 and 2 is characterized in that: described wiping core (4) be shaped as cuboid, the one side of cleaning wiping cloth (3) is adhered on the bottom surface of wiping core (4), the area equal and opposite in direction of cleaning wiping cloth (3) and this bottom surface.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/212,991 | 2005-08-26 | ||
| USUS11/212,991 | 2005-08-26 | ||
| US11/212,991 US20070044263A1 (en) | 2005-08-26 | 2005-08-26 | Microfiber chalkboard eraser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1820968A CN1820968A (en) | 2006-08-23 |
| CN100368209C true CN100368209C (en) | 2008-02-13 |
Family
ID=36922596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100713381A Expired - Fee Related CN100368209C (en) | 2005-08-26 | 2006-03-24 | Ultra-fine fiber blackboard eraser |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070044263A1 (en) |
| CN (1) | CN100368209C (en) |
| CA (1) | CA2556838A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE530476C2 (en) * | 2006-11-02 | 2008-06-17 | Smart Products Scandinavia Ab | Cleaning cloth with both drying and scrubbing function |
| CN102848829A (en) * | 2012-08-01 | 2013-01-02 | 济南蓝贝思特科技有限公司 | Split-type water absorbing blackboard eraser |
| USD872178S1 (en) * | 2018-01-26 | 2020-01-07 | Ningbo Skl International Co., Ltd. | Eraser |
| BE1027455B1 (en) * | 2019-07-23 | 2021-02-23 | Polyvision Nv | Holder for accessories for a communication board |
| USD941393S1 (en) * | 2021-01-28 | 2022-01-18 | Comsero, Inc. | Eraser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228850Y (en) * | 1995-09-29 | 1996-06-12 | 陈秉煌 | Blackboard eraser |
| CN2288855Y (en) * | 1997-04-03 | 1998-08-26 | 赵润生 | Electric dust-removing, dust-absorption, filtering blackboard eraser |
| CN2611182Y (en) * | 2003-03-26 | 2004-04-14 | 陈志红 | Electric dust-absorption eraser |
| CN2642527Y (en) * | 2003-06-06 | 2004-09-22 | 李国伟 | Blackboard eraser having dismountable wiping surface |
| CN2695252Y (en) * | 2003-07-16 | 2005-04-27 | 梁晨阳 | Dust-collecting eraser |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4080683A (en) * | 1976-11-22 | 1978-03-28 | Chong Sun Yi | Chalk board eraser |
| US4392268A (en) * | 1981-12-14 | 1983-07-12 | Bueno Victor M | Chalkboard eraser cleaner system |
| US4543680A (en) * | 1984-01-18 | 1985-10-01 | Vlahos Stephanie A | Blackboard eraser handle |
| US4937910A (en) * | 1988-11-30 | 1990-07-03 | Frazier Thomas G | White board eraser |
| CA1314842C (en) * | 1989-02-27 | 1993-03-23 | Roger Durand | Cap for a writing instrument |
| US4941225A (en) * | 1989-11-13 | 1990-07-17 | Liao Su Land | Automatic chalk-powder collecting device for blackboard eraser |
| US5365631A (en) * | 1993-07-12 | 1994-11-22 | Emerick Matthew W | Eraser carrier |
| US20040205919A1 (en) * | 2003-04-21 | 2004-10-21 | Sims William M. | Disposable dry marker eraser |
| US6895627B1 (en) * | 2004-02-02 | 2005-05-24 | Chieh-Jen Lin | Blackboard eraser |
-
2005
- 2005-08-26 US US11/212,991 patent/US20070044263A1/en not_active Abandoned
-
2006
- 2006-03-24 CN CNB2006100713381A patent/CN100368209C/en not_active Expired - Fee Related
- 2006-08-22 CA CA002556838A patent/CA2556838A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228850Y (en) * | 1995-09-29 | 1996-06-12 | 陈秉煌 | Blackboard eraser |
| CN2288855Y (en) * | 1997-04-03 | 1998-08-26 | 赵润生 | Electric dust-removing, dust-absorption, filtering blackboard eraser |
| CN2611182Y (en) * | 2003-03-26 | 2004-04-14 | 陈志红 | Electric dust-absorption eraser |
| CN2642527Y (en) * | 2003-06-06 | 2004-09-22 | 李国伟 | Blackboard eraser having dismountable wiping surface |
| CN2695252Y (en) * | 2003-07-16 | 2005-04-27 | 梁晨阳 | Dust-collecting eraser |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070044263A1 (en) | 2007-03-01 |
| CA2556838A1 (en) | 2007-02-26 |
| CN1820968A (en) | 2006-08-23 |
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