Photographic film cassette
    31.
    发明授权
    Photographic film cassette 失效
    摄影胶片盒

    公开(公告)号:US5622755A

    公开(公告)日:1997-04-22

    申请号:US542702

    申请日:1995-10-13

    摘要: A pair of flanges are mounted on a spool of a photographic film cassette so as to come into contact with end faces or outermost convolution of a film roll wound on the spool, so that a film leader can be advanced out of the cassette shell by rotating the spool in an unwinding direction. The flanges are formed from a polyphenylene ether group resin composition, which is composed by mixing styrene group resin with polyphenylene ether resin in a weight ratio from 60:40 to 10:90, and mixing 6 to 19 parts by weight of elastomer per 100 parts by weight of said mixture of styrene group resin and polyphenylene ether resin.

    摘要翻译: 一对法兰安装在摄影胶片暗盒的卷轴上,以便与缠绕在卷轴上的胶卷的端面或最外卷绕接触,使得胶片引导件可以通过旋转 卷轴处于展开方向。 凸缘由聚苯醚树脂组合物形成,聚苯醚树脂组合物通过将苯乙烯基树脂与聚苯醚树脂以60:40至10:90的重量比混合,并将每100份混合6至19重量份弹性体 的苯乙烯基树脂和聚苯醚树脂的混合物。

    Photographic film cassette
    33.
    发明授权
    Photographic film cassette 失效
    摄影胶片

    公开(公告)号:US5219128A

    公开(公告)日:1993-06-15

    申请号:US897058

    申请日:1992-06-11

    申请人: Kazunori Mizuno

    发明人: Kazunori Mizuno

    IPC分类号: G03B17/30

    摘要: A photographic film cassette has light-trapping members attached to a film passage mouth in order to close the film passage mouth. The inner end portions of the light-trapping members are spaced apart from each other so as to enable easy entrance of a leading end of a photographic film in between the light-trapping members. A frictional coefficient of the light-trapping member against the photographic film is 0.25 or less. The light-trapping member satisfies a following formula: 0.6 mm

    摘要翻译: 摄影胶片盒具有附着到胶片通道口的遮光元件,以封闭胶片通过口。 光捕获构件的内端部彼此间隔开,以便能够容易地将光摄影胶片的前端引入光捕获构件之间。 光捕获元件对照相胶片的摩擦系数为0.25以下。 光捕获元件满足以下公式:0.6mm