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    • 5. 发明专利
    • APPARATUS FOR OVERLAYING HEAT-SHRINKABLE TUBE ON OBJECT TO BE OVERLAID
    • JPH1191733A
    • 1999-04-06
    • JP26293597
    • 1997-09-11
    • KINOSHITA MASARU
    • KINOSHITA MASARU
    • B65B53/00B29C63/42B65B9/14
    • PROBLEM TO BE SOLVED: To transfer a tube and overlay it on an object to be overlaid while preventing the blind movements, such as falling and rotation, of mandrels themselves and expanding stably and reliably the tube overlaid on the mandrels. SOLUTION: Opposed rollers 5, 5 are laterally provided in a pivotably supported manner so as to extend to the external side through through-holes 4 defined in the vicinity of lower portions of upward tapering slant faces 3 of right and left mandrels 2, and positioning rollers 7, 7 are laterally provided in a pivotably supported manner to right and left external fixing members 6, 6. Thus, each of the opposed roller 5, 5 and each of the positioning rollers 7, 7 are disposed in such a manner as to be rotatably contacted with each other with each descending belt V held between them. Further, driven rollers 8, 8 are laterally provided in a pivotably supported manner so as to extend to the external side through through-holes 4 defined at lower portions of the mandrels 2, and right and left driving rollers 9, 9 for allowing a tube 1 to descend are disposed in such a manner as to be rotatably contacted with the driven rollers 8, 8. Furthermore, all the rollers are made of a magnetic material, and each of these rollers is attracted by a magnetic force to each other together with the mandrels 2, 2 to be retained in their places, thereby pinchingly supporting each upper and lower part of the tube 1, respectively, in a descendable manner with the aid of the descending belt V, and preventing the position of each of the mandreles 2, 2 from being deviated due to the descent of the tube 1.