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    • 4. 发明专利
    • LIQUID JET TYPE SEALING DEVICE
    • JPS60202049A
    • 1985-10-12
    • JP5907284
    • 1984-03-27
    • FUJI PHOTO FILM CO LTD
    • OOTANI SUMIOITOU YUKINARITATSUTA SUMITAKAKABUTOMORI MASUO
    • B65H20/00B65H20/10B65H20/14
    • PURPOSE:To provide sealing without damaging a web by providing a liquid vessel in an intermediate part between high and low pressure parts and a liquid jet part connected to said liquid vessel, when introducing a web continuously through a narrow space from said high pressure part to said low pressure part and vise versa. CONSTITUTION:A running web 21, which is being unwound from a raw fiber roll 11 and wound up to a semi-finished product roll 20, is brought in contact with a high pressure gas in a high-pressure gas treating chamber 22, to undergo treatment for stabilization of demensions, heat resistance, humidity resistance, etc. A liquid vessel 28 is provided midway between the treating chamber 22 as a high pressure part and the ambient space as a low pressure part, and liquid jet passages 29, 29 which are connected to the vessel 28, are provided to obtain sealing for the high pressure gas. The liquid jet part 29 is formed in such a way that liquid from a liquid feed pipe 37 is jetted through slot parts 34, 34 against both front and back sides of the web which runs through slits holes 30, 31. Thereby, a high pressure gas can be prevented from leaking to the low pressure side.