CABLE PULLING EQUIPMENT

PURPOSE:To quicken the cable threading work between rollers by freely pressing or separating one roller and the other roller to/from each other through slide means. CONSTITUTION:One roller 3 and the other roller 4 sandwiching a cable are respectively formed with a hollow inside by an elastic, polyme...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIGAKI SHIZUO, MURASAWA IZUMI, SUMIDA YOICHI, AOYAMA TAKASHI, WATANABE TOSHIMITSU, NAKAYAMA YASUSHI, SEKIYA KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
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Beschreibung
Zusammenfassung:	PURPOSE:To quicken the cable threading work between rollers by freely pressing or separating one roller and the other roller to/from each other through slide means. CONSTITUTION:One roller 3 and the other roller 4 sandwiching a cable are respectively formed with a hollow inside by an elastic, polymeric substance, and their inner portions are filled with a compressed gas. Therefore, respective rollers 3 and 4 are bent in response to the external shape of the cable. As a result, a wide contact area can be secured not only for a solid core cable but also for stranded cable, so that a high tension can be given to the cable and a large force will not be applied a specific part of cable to be pulled. By doing this, the work of threading the cable between the rollers 3 and 4 can be quickened.