| 摘要 |
1509646 Slide coating hopper CIBAGEIGY AG 7 May 1976 [14 May 1975] 18974/76 Heading D1L A slide coating hopper feed slot has an upstream boundary wall terminating in an edge parallel to the associated slideway, and widens as shown in the downstream direction in the region where it joins the slideway, the distance L being 0.5 - 5mm and the angle alpha being 100 - 170‹. Figure 1 (not shown) illustrates a hopper with 3 slots to give a 3-layer coating.
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