| 摘要 |
PROBLEM TO BE SOLVED: To unreel yarn from press bobbins smoothly after dyeing by preventing such dragged movement of the yarn at the ends of the press bobbins as results from the difference between the overall length of the press bobbins and the width of traverses. SOLUTION: The press bobbin has annular elements 2 at both ends, a plurality of vertical frames 4 extending between the end annular elements 2 in annular arrangement, a plurality of annular lateral frames extending between and parallel to the annular elements 2, and small compressible vertical pieces 5, 6 and 8 crossing the annular lateral frames. Two levels 3b of the annular lateral frames from each annular element 2 have a smaller diameter than the others, so that in this region the vertical frames 4 and small vertical pieces 5, 6 and 8 have an external surface projecting from that of the annular lateral frames 3b and that a yarn wound can slide on them without difficulty. Auxiliary ribs 9 lie between the two upper and lower annular lateral frames 3b to provide resistance to compression.
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