Processed Film Lubrication: Measurement by Paper Clip Friction Test and Improvement of Projection Life

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 80, No. 9, pp. 734–739
Abstract: It has been well recognized for years that lubrication of processed motion-picture film is extremely important for projection performance. The advent of sprocketless projectors in the amateur movie market has greatly intensified this need. Nevertheless, experience has shown that some processed films are not effectively lubricated. Therefore, there is a need for a simple and reliable test for lubrication and an instrument has been devised to fill this need. It is basically an inclined plane friction test in which a special slider takes the place of the usual sled. The rounded end of the paper clip, bearing on the test film, furnishes the only support for the slider. The paper clip is balanced in a vertical position, since the entire slider's center of gravity is well below the bearing point. In this study, the paper clip friction and projector performance of two different super-8 films are evaluated at several levels of lubrication.
Publication Date: 1971-09-01
DOI: 10.5594/J05751
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J05751
Author(s): T. AnveltManufacturing Experiments Div., Eastman Kodak Co., Rochester, NY 14650.
J. F. CarrollManufacturing Experiments Div., Eastman Kodak Co., Rochester, NY 14650.
L. J. SugdenManufacturing Experiments Div., Eastman Kodak Co., Rochester, NY 14650.
Copyright: © 1971 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

A Systematic Approach to the Mass Production of Commercial Super 8 Prints [Active]
Lubrication of Motion-Picture Film: A Tutorial Paper [Active]
The Projection Life of Film [Active]
Prolonging the Life of Motion-Picture Release Prints [Active]
Lubrication of 16-mm Films [Active]
6. Handling, Repair and Storage of Eastman Kodak 16mm Motion-Picture Films , Kodak Pamphlet No. D-23, Eastman Kodak Co. , Rochester, NY 14650 (April 1967 ). EXTERNAL
7. Rose Tony , “Super 8 and the libraries,” Movie Maker , 4 : 766 – 767 , Dec. 1970 . EXTERNAL

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T. Anvelt, J. F. Carroll, and L. J. Sugden; Processed Film Lubrication: Measurement by Paper Clip Friction Test and Improvement of Projection Life, Journal of the SMPTE ( Volume: 80, Issue: 9, September 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05751

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T. Anvelt, J. F. Carroll, and L. J. Sugden; Processed Film Lubrication: Measurement by Paper Clip Friction Test and Improvement of Projection Life, Journal of the SMPTE ( Volume: 80, Issue: 9, September 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J05751

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<span class="citation">T. Anvelt, J. F. Carroll, and L. J. Sugden; <cite>Processed Film Lubrication: Measurement by Paper Clip Friction Test and Improvement of Projection Life</cite>, Journal of the SMPTE ( Volume: 80, Issue: 9, September 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J05751" target="_blank" rel="noopener">https://doi.org/10.5594/J05751</a></span>

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T. Anvelt, J. F. Carroll, and L. J. Sugden; <cite id="bib-10-5594-j05751">Processed Film Lubrication: Measurement by Paper Clip Friction Test and Improvement of Projection Life</cite>, Journal of the SMPTE ( Volume: 80, Issue: 9, September 1971); SMPTE, 1971
<span class="doi">10.5594/J05751</span>
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Referenced By

Telecine Reproduction of Motion-Picture Audio [Active]