JPH03108236U - - Google Patents

Info

Publication number
JPH03108236U
JPH03108236U JP1605390U JP1605390U JPH03108236U JP H03108236 U JPH03108236 U JP H03108236U JP 1605390 U JP1605390 U JP 1605390U JP 1605390 U JP1605390 U JP 1605390U JP H03108236 U JPH03108236 U JP H03108236U
Authority
JP
Japan
Prior art keywords
screen
fixed
jig
tensile force
temperature changes
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
JP1605390U
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 JP1605390U priority Critical patent/JPH03108236U/ja
Publication of JPH03108236U publication Critical patent/JPH03108236U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】
第1図ないし第3図は本考案の実施例を示す斜
視図、第4図および第5図は本考案の別の実施例
を示す背面図、第6図および第7図は本考案に用
いる治具の別の例を示す正面図および斜視図であ
る。 1……スクリーン、11……第1のスクリーン
、12……第2のスクリーン、2……枠、3……
温度変化に応じた引張り力を与える治具。

Claims (1)

    【実用新案登録請求の範囲】
  1. フレネルレンズおよび/またはレンチキユラー
    レンズを備えた合成樹脂製のスクリーンであつて
    、該スクリーンの少なくとも対向する一辺を固定
    すると共に、この対辺に温度変化に応じた引張り
    力を与える治具を固着したことを特徴とする投写
    スクリーン。
JP1605390U 1990-02-20 1990-02-20 Pending JPH03108236U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1605390U JPH03108236U (ja) 1990-02-20 1990-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1605390U JPH03108236U (ja) 1990-02-20 1990-02-20

Publications (1)

Publication Number Publication Date
JPH03108236U true JPH03108236U (ja) 1991-11-07

Family

ID=31519339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1605390U Pending JPH03108236U (ja) 1990-02-20 1990-02-20

Country Status (1)

Country Link
JP (1) JPH03108236U (ja)

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