| 摘要 |
PURPOSE:To enable control of a flow pattern to an approximately specified range by providing plural partitions in the flow direction of the pattern on a water surface and providing freely openable and closable a gate so as to intersect with the partitions. CONSTITUTION:A water surface 2 is segmented in a flow direction by means of partition plates 8. Paint well parts 3 formed of a gate 5 are provided in the beginning ends of the respective flow passages 4a segmented by the plates 8. A paint is accumulated temporarily in said parts. The gate 5 is then opened at one time to diffuse the paint in the passages 4a, thus forming a flow pattern 9. Not only one kind of paint but plural paints are usable in the parts 3 and since plates 8 are provided, the flow pattern 9 approximated in effect to the position, size and contrast is reproduced on the surface of the material to be coated. Mass production is thus made possible.
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