JPS58170646U - Gradation production device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案装置の１例の正面断面略図、第２図はそ
の側面断面略図、第３図は暗室を装置にとりつけた場合
の断面略図、第４図は本考案の原理を示す斜視的説明図
、第５図はスリット作製の原理を示す説明図、第６図は
種々の形状のスリット形状を示す説明図、第７図は第６
図のスリットによって得た印刷用グラデーション原版説
明図、第８図は光源を廻転ドラムの中に設えた場合の装
置の側面断面略図、第９図はその正面断面略図、第１０
図は従来例の１例の説明図である。 、　記号の説明、１・・・・・・フィルム装着用廻転ド
ラム、２・・・・・・未感光写真フィルム、３・・・・
・・スリットホルダー、４・・・・・・スリット装着用
開口部、５・・・・・・グラデーションスリット、６・
・・・・・ドラム廻転用ローラー、７・・・・・・光源
、８・・・・・・暗室。 第９図 第１０図Fig. 1 is a schematic front sectional view of one example of the device of the present invention, Fig. 2 is a schematic side sectional view thereof, Fig. 3 is a schematic sectional view of a darkroom installed in the device, and Fig. 4 is a perspective view showing the principle of the invention. Fig. 5 is an explanatory drawing showing the principle of slit production, Fig. 6 is an explanatory drawing showing various slit shapes, and Fig. 7 is an explanatory drawing showing the slit shape.
An explanatory diagram of the printing gradation original plate obtained by the slits in the figure, Figure 8 is a schematic side cross-sectional view of the device when the light source is installed in the rotating drum, Figure 9 is a schematic front cross-sectional view thereof, and Figure 10
The figure is an explanatory diagram of an example of a conventional example. , Explanation of symbols, 1... Rotating drum for mounting film, 2... Unexposed photographic film, 3...
...Slit holder, 4...Opening for slit attachment, 5...Gradation slit, 6.
...Drum rotation roller, 7...Light source, 8...Dark room. Figure 9 Figure 10

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円周壁の外周面または内周壁面に未感光写真フィルムを
装着できるようににした廻転ドラムと光源との間に円周
壁面にグラデーションスリットを固定したスリットホル
ダーを上記廻転ドラム周壁に近接させて同心的に設け、
一定時間露光するために上記廻転ドラムまたはスリット
ホルダーを廻転するようにしてなるグラデーション作製
装置。A slit holder with gradation slits fixed to the circumferential wall is placed concentrically with the rotating drum in close proximity to the rotating drum's circumferential wall between the rotating drum and the light source, on which an unexposed photographic film can be mounted on the outer or inner circumferential wall of the circumferential wall. established as
A gradation production device that rotates the rotating drum or slit holder for exposure for a certain period of time.