DE69504913D1 - Vorrichtung für Schreibtafel - Google Patents

Vorrichtung für Schreibtafel

Info

Publication number
DE69504913D1
DE69504913D1 DE69504913T DE69504913T DE69504913D1 DE 69504913 D1 DE69504913 D1 DE 69504913D1 DE 69504913 T DE69504913 T DE 69504913T DE 69504913 T DE69504913 T DE 69504913T DE 69504913 D1 DE69504913 D1 DE 69504913D1
Authority
DE
Germany
Prior art keywords
writing board
writing
board
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 - Lifetime
Application number
DE69504913T
Other languages
English (en)
Other versions
DE69504913T2 (de
Inventor
Kiyoharu Kawashima
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
Priority claimed from JP17191594A external-priority patent/JP3469638B2/ja
Priority claimed from JP33563894A external-priority patent/JP3464064B2/ja
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE69504913D1 publication Critical patent/DE69504913D1/de
Publication of DE69504913T2 publication Critical patent/DE69504913T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/16—Writing inks
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)
DE69504913T 1994-06-29 1995-06-14 Vorrichtung für Schreibtafel Expired - Lifetime DE69504913T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17191594A JP3469638B2 (ja) 1994-06-29 1994-06-29 白板状装置
JP33563894A JP3464064B2 (ja) 1994-12-20 1994-12-20 筆記システム

Publications (2)

Publication Number Publication Date
DE69504913D1 true DE69504913D1 (de) 1998-10-29
DE69504913T2 DE69504913T2 (de) 1999-03-04

Family

ID=26494474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504913T Expired - Lifetime DE69504913T2 (de) 1994-06-29 1995-06-14 Vorrichtung für Schreibtafel

Country Status (6)

Country Link
US (1) US5649828A (de)
EP (1) EP0689942B1 (de)
KR (1) KR100378427B1 (de)
CN (1) CN1057733C (de)
DE (1) DE69504913T2 (de)
TW (1) TW277031B (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5957700A (en) * 1995-08-17 1999-09-28 Ricoh Elemex Corporation Writing board
DE19730566C1 (de) * 1997-07-17 1998-04-23 Joachim Kuehnel Vorrichtung zum nassen Abwischen von Wandschreibtafeln
US7320829B2 (en) 1998-03-05 2008-01-22 Omnova Solutions Inc. Fluorinated polymer and amine resin compositions and products formed therefrom
US6383651B1 (en) 1998-03-05 2002-05-07 Omnova Solutions Inc. Polyester with partially fluorinated side chains
US6686051B1 (en) 1998-03-05 2004-02-03 Omnova Solutions Inc. Cured polyesters containing fluorinated side chains
CA2322815C (en) * 1998-03-05 2007-03-13 Omnova Solutions Inc. Easily cleanable polymer laminates
US6423418B1 (en) 1998-03-05 2002-07-23 Omnova Solutions Inc. Easily cleanable polymer laminates
US6370720B1 (en) * 1998-04-10 2002-04-16 Jang Chang-Ho Apparatus and a method for automatically erasing a blackboard
US6073297A (en) * 1998-10-13 2000-06-13 Lee; Chun-Hsien Automatic erasing device for erasing chalk marks on a writing board
TW387348U (en) * 1999-04-21 2000-04-11 Li Chuen Shian Water washing type automatic wiping device for a blackboard
JP3412810B2 (ja) * 1999-05-07 2003-06-03 張昌鎬 黒板の拭き取り装置及び黒板の拭き取り方法
US6673889B1 (en) * 1999-06-28 2004-01-06 Omnova Solutions Inc. Radiation curable coating containing polyfuorooxetane
DE19944400C1 (de) * 1999-09-16 2001-05-10 Marco Eiselt Vorrichtung zum feuchten Abwischen von Wandschreibtafeln
US6457792B1 (en) * 1999-11-29 2002-10-01 Xerox Corporation Method for effecting actions over vertical surfaces
US6367902B1 (en) * 1999-11-29 2002-04-09 Xerox Corporation Effector platform for performing actions over vertical surfaces
US6962966B2 (en) 1999-12-28 2005-11-08 Omnova Solutions Inc. Monohydric polyfluorooxetane oligomers, polymers, and copolymers and coatings containing the same
US6403760B1 (en) 1999-12-28 2002-06-11 Omnova Solutions Inc. Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer
US6465566B2 (en) 2000-07-06 2002-10-15 Omnova Solutions Inc. Anionic waterborne polyurethane dispersions containing polyfluorooxetanes
US6465565B1 (en) 2000-07-06 2002-10-15 Omnova Solutions, Inc. Anionic waterborne polyurethane dispersions containing polyfluorooxetanes
WO2002092660A2 (en) * 2001-05-14 2002-11-21 Omnova Soltions Inc Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups
US6660828B2 (en) 2001-05-14 2003-12-09 Omnova Solutions Inc. Fluorinated short carbon atom side chain and polar group containing polymer, and flow, or leveling, or wetting agents thereof
US20040055622A1 (en) * 2002-09-10 2004-03-25 Neal Ned H. Cube white board eraser
US6948210B1 (en) * 2002-09-26 2005-09-27 Chirag Shah Automated board eraser
US6944904B1 (en) * 2003-08-11 2005-09-20 Gaylord A Williams Chalkboard cleaning apparatus with a fluid reservoir
WO2005070702A1 (en) * 2004-01-16 2005-08-04 Michael Owen White board and white board display system
US8154857B2 (en) * 2007-01-04 2012-04-10 Whirlpool Corporation Appliance host with multiple service interfaces for coupling multiple consumer electronic devices
US8871994B2 (en) 2010-12-10 2014-10-28 Kimberly-Clark Worldwide, Inc. Wetness sensor for use in an absorbent article
US8857000B2 (en) * 2011-06-28 2014-10-14 Stefano Patamia Dry board eraser system
CN102627048B (zh) * 2012-03-22 2015-06-17 宁波绿拓新材料有限公司 往复式自擦板
CN102964923B (zh) * 2012-11-29 2014-07-09 山西大学 一种可在酸性纸上显色的墨水及其制备方法
CN102964924B (zh) * 2012-11-29 2014-10-08 山西大学 可水解褪色的彩色墨水
US9162516B2 (en) 2013-03-07 2015-10-20 ACCO Brands Corporation Display board assembly
KR101702777B1 (ko) * 2015-10-19 2017-02-07 안동대학교 산학협력단 워터 클리닝 칠판
KR101779027B1 (ko) * 2016-08-08 2017-09-18 정상순 세척수 누출방지 기능이 구비된 칠판 물 세척 장치
CN106739703A (zh) * 2017-01-16 2017-05-31 赵子宁 一种电动无尘黑板擦
CN107031242A (zh) * 2017-05-10 2017-08-11 太原科技大学 电动无尘式擦除型黑板
CN107215130A (zh) * 2017-06-29 2017-09-29 礼泉鑫灞厨具有限公司 一种推拉黑板擦
CN109228748A (zh) * 2018-11-22 2019-01-18 江苏海事职业技术学院 一种适用于英语教学的黑板及其使用方法
CN110103613B (zh) * 2019-05-20 2020-09-29 华北理工大学 一种工业设计手绘循环利用装置
CN110641211B (zh) * 2019-09-04 2020-09-25 长沙师范学院 一种高校音乐教育乐谱书写演示装置
USD1013779S1 (en) * 2020-08-19 2024-02-06 ACCO Brands Corporation Office panel with dry erase surface
CN112158008A (zh) * 2020-10-20 2021-01-01 烟台工程职业技术学院(烟台市技师学院) 一种课堂教育教学辅助装置
KR102338170B1 (ko) * 2021-08-19 2021-12-10 주식회사 아이들 실내놀이기구
CN114475056A (zh) * 2022-02-09 2022-05-13 滨州学院 一种智能数学教学板

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1227205A (en) * 1917-04-13 1917-05-22 Jack D Sartakoff Self-cleaning blackboard.
US3163943A (en) * 1962-08-17 1965-01-05 John W Bell Mechanical blackboard eraser
BE679884A (de) * 1966-04-22 1966-10-24
FR1518669A (fr) * 1966-10-18 1968-03-29 Tableau noir à effaçage automatique
BE700613A (de) * 1967-06-28 1967-12-01
DE2712492A1 (de) * 1977-03-22 1978-09-28 Manfred Schultz Loeschvorrichtung fuer schulwandtafeln
CA1059272A (en) * 1977-11-08 1979-07-31 Ray Agnesi Electronic way to rapidly erase a blackboard
US4907903A (en) * 1987-08-07 1990-03-13 Kiyoharu Kawashima Representing utensil
JP3457695B2 (ja) * 1993-02-18 2003-10-20 清治 川嶋 ペンセット
JPH06336099A (ja) * 1993-05-26 1994-12-06 Seiji Kawashima 白板消し具

Also Published As

Publication number Publication date
KR100378427B1 (ko) 2003-05-17
US5649828A (en) 1997-07-22
EP0689942B1 (de) 1998-09-23
EP0689942A1 (de) 1996-01-03
KR960000523A (ko) 1996-01-25
DE69504913T2 (de) 1999-03-04
TW277031B (de) 1996-06-01
CN1125665A (zh) 1996-07-03
CN1057733C (zh) 2000-10-25

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Legal Events

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8364 No opposition during term of opposition