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    • 3. 发明公开
    • NOZZLE, NOZZLE ASSEMBLY, AND METHOD FOR EXTRUSION OF COMPOSITE MATERIAL
    • 喷嘴,喷嘴组件以及用于挤出复合材料的方法
    • EP3260265A1
    • 2017-12-27
    • EP17165295.1
    • 2017-04-06
    • The Boeing Company
    • SONG, WeidongOLBERG, Jeffrey H.
    • B29C47/02B29C47/12B29C64/209B29C47/08
    • B29C47/0035B29C47/0002B29C47/0014B29C47/022B29C47/025B29C47/085B29C47/12B29C67/004B29C70/745B29L2031/003
    • A nozzle (250) for extruding a composite material (110) from an extruder barrel (120B). The nozzle includes a body (251) and a tapered nozzle passage (252) extending through the body. The tapered nozzle passage having a nozzle inlet opening (253) configured to interface with the extruder barrel, and a nozzle outlet opening (254), where the tapered nozzle passage has a contoured nozzle passage surface (255) extending between the extruder barrel and the nozzle outlet opening with smooth transitions (270), free of angles, so that each nozzle passage surface portion (255A-255F), having a corresponding contour, transitions smoothly to each other nozzle passage surface portion, having a respective different contour, from the nozzle inlet opening to the nozzle outlet opening, and the nozzle outlet opening is defined by at least a first edge (254A) and a second edge (254A) that intersect each other at an acute angle (θ).
    • 一种用于从挤出机筒(120B)挤出复合材料(110)的喷嘴(250)。 喷嘴包括主体(251)和延伸穿过主体的锥形喷嘴通道(252)。 所述锥形喷嘴通道具有构造成与所述挤出机机筒交接的喷嘴入口开口(253)和喷嘴出口开口(254),其中所述锥形喷嘴通道具有在所述挤出机机筒和所述挤出机筒之间延伸的异形喷嘴通道表面(255) 具有平滑过渡部分(270)的喷嘴出口开口没有角度,使得具有相应轮廓的每个喷嘴通道表面部分(255A-255F)平滑过渡到具有各自不同轮廓的彼此喷嘴通道表面部分, 喷嘴入口开口到喷嘴出口开口,并且喷嘴出口开口由以锐角(θ)彼此相交的至少第一边缘(254A)和第二边缘(254A)限定。