| 摘要 |
The chest canvas forming machine comprises a controller 10, a driving portion 30 controlled by the controller 10 and upper and lower bucks 20 and 40. The upper buck 20is set movably up and down to the driving portion 30, has a circular concave portion, and has a plurality of projections 21 and steam jetting holes 25. The lower buck 40 is set on a work support 50 the at the counterpart position to the upper buck, has a circular convex, and has plurality of grooves 41 and steam inhaling holes 45.
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