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    • 3. 发明专利
    • FILM CUTTING WORK METHOD
    • JP2002036173A
    • 2002-02-05
    • JP2000221441
    • 2000-07-21
    • KONISHIROKU PHOTO IND
    • IKEDA MASAHIROMURAYAMA MASAAKI
    • B26D1/40
    • PROBLEM TO BE SOLVED: To provide a film cutting work method capable of solving problems on the interference and the durability of a cutting blade, and preventing the film separation of a protective layer in cutting, and free from a problem on the fogging of an image. SOLUTION: In this film cutting work method for cutting the film having at least an image forming layer and the protective layer on a base, by a cutter having an included angle of 50-70 degrees, a coefficient of dynamic friction (by a measuring method mentioned below) of the cutters 1 and 2 and the film 300 is 0.2 or less. Measuring method of coefficient of dynamic friction: the coefficient of dynamic friction is measured under conditions mentioned below, and the number of times of measurement is indicated as an average value of the measurements of three times on different positions. 1) load: 100 gf, 2) scanning speed: 300 mm/minute, 3) scanning plate 1: SUS 10 mm square board (surface roughness 0.1 S), scanning plate 2: SUS 10 mm square board (surface roughness 0.5 S), 4) measurement environment: 23 deg.C, 45%RH, 5) Object to be measured is preserved under the environmental condition of 4) for 2 hours before the measurement.