JPH0286789U - - Google Patents

Info

Publication number
JPH0286789U
JPH0286789U JP16633488U JP16633488U JPH0286789U JP H0286789 U JPH0286789 U JP H0286789U JP 16633488 U JP16633488 U JP 16633488U JP 16633488 U JP16633488 U JP 16633488U JP H0286789 U JPH0286789 U JP H0286789U
Authority
JP
Japan
Prior art keywords
blackboard
damping material
face plate
metal face
plywood backing
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.)
Pending
Application number
JP16633488U
Other languages
English (en)
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 filed Critical
Priority to JP16633488U priority Critical patent/JPH0286789U/ja
Publication of JPH0286789U publication Critical patent/JPH0286789U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
第1図は本考案の黒板の第1実施例を示す横断
平面図、第2図は同上第2実施例を示す横断平面
図、第3図は本考案の教室の1実施例を示す横断
平面図である。 1…コンクリート壁、2…枠体、3…黒板、3
a…金属製面板、3b…裏打ちベニヤ板、4…制
振材、5…桟木、6…軽量間切り、7…通常の黒
板、8…パツキン。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 金属製面板と裏打ちベニヤ板の間に制振材
    を介在させたことを特徴とする黒板。 (2) 金属製面板の裏打ちベニヤ板の裏に制振材
    を貼設したことを特徴とする黒板。 (3) 軽量間切りに制振材を有する黒板を取りつ
    けたことを特徴とする教室。
JP16633488U 1988-12-23 1988-12-23 Pending JPH0286789U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16633488U JPH0286789U (ja) 1988-12-23 1988-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16633488U JPH0286789U (ja) 1988-12-23 1988-12-23

Publications (1)

Publication Number Publication Date
JPH0286789U true JPH0286789U (ja) 1990-07-10

Family

ID=31453623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16633488U Pending JPH0286789U (ja) 1988-12-23 1988-12-23

Country Status (1)

Country Link
JP (1) JPH0286789U (ja)

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