EP1806239A4 - Eraser - Google Patents

Eraser

Info

Publication number
EP1806239A4
EP1806239A4 EP05774465A EP05774465A EP1806239A4 EP 1806239 A4 EP1806239 A4 EP 1806239A4 EP 05774465 A EP05774465 A EP 05774465A EP 05774465 A EP05774465 A EP 05774465A EP 1806239 A4 EP1806239 A4 EP 1806239A4
Authority
EP
European Patent Office
Prior art keywords
eraser
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.)
Withdrawn
Application number
EP05774465A
Other languages
German (de)
French (fr)
Other versions
EP1806239A1 (en
Inventor
Hsihuang Lai
Hsihur Lai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1806239A1 publication Critical patent/EP1806239A1/en
Publication of EP1806239A4 publication Critical patent/EP1806239A4/en
Withdrawn legal-status Critical Current

Links

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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0006—Erasers, rubbers, or erasing devices; Holders therefor motor-driven
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0037—Eraser cleaners
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0056—Holders for erasers
    • B43L19/0068—Hand-held holders
    • 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
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/04—Fibrous erasers
    • 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
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
    • 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
EP05774465A 2004-09-03 2005-08-18 Eraser Withdrawn EP1806239A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2004100742258A CN100418792C (en) 2004-09-03 2004-09-03 Blackboard eraser
PCT/CN2005/001282 WO2006024219A1 (en) 2004-09-03 2005-08-18 Eraser

Publications (2)

Publication Number Publication Date
EP1806239A1 EP1806239A1 (en) 2007-07-11
EP1806239A4 true EP1806239A4 (en) 2009-11-25

Family

ID=35999697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05774465A Withdrawn EP1806239A4 (en) 2004-09-03 2005-08-18 Eraser

Country Status (4)

Country Link
EP (1) EP1806239A4 (en)
KR (1) KR20070038117A (en)
CN (1) CN100418792C (en)
WO (1) WO2006024219A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843278B1 (en) * 2006-07-05 2008-07-08 (주)베이온 Usb memory having cleaner
CN103317917A (en) * 2012-03-25 2013-09-25 上海华师京城高新技术开发有限公司 Multifunctional electronic blackboard eraser
CN105818587A (en) * 2016-06-13 2016-08-03 辛顺强 Dust-free blackboard eraser
CN106821143A (en) * 2017-01-17 2017-06-13 湖州佳星电机有限公司 A kind of dust suction flat board with air-cleaning function is wiped
CN107053913B (en) * 2017-05-04 2019-02-19 聊城职业技术学院 A kind of teaching intelligent electric blackboard eraser
CN111993821A (en) * 2019-11-10 2020-11-27 孟庆龙 Wrapping sleeve special for round eraser for removing dandruff and using method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108434A (en) * 1981-10-23 1983-05-18 Hua Yu Wen Electric blackboard eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5216776A (en) * 1992-01-27 1993-06-08 Dennison Daniel C Automatic blackboard eraser apparatus
US20030000042A1 (en) * 2001-06-29 2003-01-02 Wang Yu Long Eraser having selectively openable and closable aperatures
US20030037404A1 (en) * 2001-08-23 2003-02-27 Wu Tung Ming Electronic blackboard eraser

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2186670Y (en) * 1994-04-17 1995-01-04 阮忠卫 Electric dust-absorbing blackboard eraser
JPH08267995A (en) * 1995-03-30 1996-10-15 Shinji Inoue Blackboard eraser equipped with vacuum cleaner
US5537711A (en) * 1995-05-05 1996-07-23 Tseng; Yu-Che Electric board cleaner
CN2226536Y (en) * 1995-06-28 1996-05-08 黄昌艺 Electric dust collecting blackboard eraser
CN2238748Y (en) * 1995-08-17 1996-10-30 陈镜尧 Eraser cleaner cabable of feeling chalk dust capacity
JP2001039089A (en) * 1999-07-29 2001-02-13 Servo Technos:Kk Erasing device
CN2435247Y (en) * 2000-06-23 2001-06-20 王黔川 Chalk dust absorbing eraser
CN2501699Y (en) * 2001-09-29 2002-07-24 孟胜贤 Electric dust-absorption blackboard eraser
CN2519738Y (en) * 2001-10-12 2002-11-06 张大龙 Dust suction type blackboard eraser
CN2609776Y (en) * 2003-01-28 2004-04-07 赖锡璜 Eraser structure
CN2741792Y (en) * 2004-09-03 2005-11-23 赖锡璜 Blackboard eraser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108434A (en) * 1981-10-23 1983-05-18 Hua Yu Wen Electric blackboard eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5216776A (en) * 1992-01-27 1993-06-08 Dennison Daniel C Automatic blackboard eraser apparatus
US20030000042A1 (en) * 2001-06-29 2003-01-02 Wang Yu Long Eraser having selectively openable and closable aperatures
US20030037404A1 (en) * 2001-08-23 2003-02-27 Wu Tung Ming Electronic blackboard eraser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006024219A1 *

Also Published As

Publication number Publication date
KR20070038117A (en) 2007-04-09
WO2006024219A1 (en) 2006-03-09
CN1743186A (en) 2006-03-08
CN100418792C (en) 2008-09-17
EP1806239A1 (en) 2007-07-11

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20070403

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Effective date: 20091026

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Effective date: 20100105