TREATMENT WITH CORONA DISCHARGE

PURPOSE:To prevent generation of unevenness of corona discharge by providing a rubber roll in contact with a same surface as a surface of a base body for a photographic sensitive material coming into contact with an earth roll just before the base body comes into contact with the earth roll when the...

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Bibliographische Detailangaben
Hauptverfasser:	KITAHIRA KOICHI, FUNABASHI YOSHIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent generation of unevenness of corona discharge by providing a rubber roll in contact with a same surface as a surface of a base body for a photographic sensitive material coming into contact with an earth roll just before the base body comes into contact with the earth roll when the base body is subjected to substratum. CONSTITUTION:When substratum of a base body 5 for a photographic sensitive material is performed with a corona discharge machining device for plastic films on which a discharge electrode bar 4 and an earth roll 1 are provided, a rubber roll 7 in contact with a same surface as the surface of the base body 5 coming into contact with the earth roll 1 is disposed just before the base body 5 comes into contact with the earth roll 1. In this case, the hardness of the rubber roll 7 should be