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The Effect of Scratches on the Strength of Motion Picture Film Support

机译:划痕对电影胶片支撑强度的影响

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摘要

THE work dealt with in the present note was mainly confined to an investigation of uncoated, unprocessed standard perforated motion picture film support which was specially prepared for these tests. The apparatus employed consisted of the following: A. An elongation and strength testing machine with automatic recording device. B. A fold tester. C. A scratch tester.
机译:本说明中涉及的工作主要限于对未涂层,未加工的标准穿孔电影胶片底片的研究,该底片是专门为这些测试而准备的。使用的设备包括以下内容:A.带有自动记录装置的伸长率和强度测试机。 B.折叠测试仪。 C.划痕测试仪。

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